Fair-faced Concrete

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Build on formwork expertise Fair-faced concrete with Doka 11/2010 en-GB Concrete in its – visibly – finest form www.doka.com

description

Fair faced concretevisual concreteDoka Manual

Transcript of Fair-faced Concrete

Page 1: Fair-faced Concrete

Build on formwork expertise

Fair-faced concrete with Doka11/2

010

en-G

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Concrete in its – visibly – finest form

www.doka.com

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Brochure, 2010 edition© Copyright by Doka Industrie GmbHA-3300 Amstetten

We reserve the right to make alterations in the interests of technical progress.

Important noticeAlways observe all industrial safety regulations and other safety rules applying to the application and utilisation of our products in the country and/or region in which you are operating. The illustrations and site photos in this brochure sometimes show the situation during formwork assembly and/or in situations outside Doka’s direct control. For this reason, they may not always be complete from the safety point of view. It could be dangerous to combine our formwork equipment with other manufacturers’. If you intend to combine different systems, please contact Doka for advice first.

Konzernzentrale

Doka GmbHJosef Umdasch Platz 13300 AmstettenÖsterreichTel. +43 (0)7472 605-0Fax +43 (0)7472 64430E-Mail: [email protected]

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Contents

Solving individual requirements Page 4Concrete in its – visibly – finest form Page 6Formwork systems and their attributes Page 24Doka Services Page 32

Residential construction – reference builds Page 40Building and industrial construction – reference builds Page 46Sporting facilities and cultural edifices – reference builds Page 66Transportation infrastructure – reference builds Page 78

Reference list Page 88Doka Organisation Page 90

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Solving individual requirementswith global consulting capability and “hands-on” engineering expertise

Doka helps you decide on a suitable construction method and determine which is the right system for you – and for your success on the site. Custom-tailored, versatile, and thus efficient.

Doka’s modular systems, based on its decades-long experience of hugely diverse construction tasks in many different countries, means that it can deliver the right solution for the entire spectrum of architecture. Doka has the biggest and most flexible range of offerings on the market – anywhere in the world.

What all Doka systems have in common is this: The very highest standard of safety, combined with extremely high cost effectiveness and easy, safe handling.

Doka knows what demands are made, and with its sys-tem and project-specific formworks it can always offer the ideal equipment.

More and more complex structures are typical of the architecture of our times. Worldwide. Doka technicians work closely with the client’s planners to put together the most suitable solutions in terms of concrete technology, formwork engineering, concrete placement and compaction. These solutions are exactly tailored to each individual situation and to the requirements of the structure.

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Formwork expertise you can trustMore know-how for your project

The task of finding the optimum formwork solution for a structure begins as early as in the tendering phase. For the eventual profitability of a construction project, this is often a make-or-break decision. From a very early stage, Doka experts start inputting their wide-ranging knowledge and the experience amassed during innumerable projects, and so can perform an invaluable service for you here.

In this way, we successfully accompany you all the way through your construction project.The formwork system used will have a significant bearing on the success of a construction project. To help users with the selection, planning and deployment of its formwork systems, Doka offers a very wide range of services. These provide greater certainty regarding the costs of on-site form-ing operations – which definitely makes site managers’ and foremen’s jobs a lot easier.

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Concrete in its – visibly – finest form

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Architect’s requirements

Concrete faces that are subject to special requirements regarding appearance (see DIN 18217) – in short, “archi-tectural surfaces” – are generally referred to as “fair-faced concrete”. The description of fair-faced concrete is not always entirely clear-cut, and various different definitions are given for it in the normative literature. Essentially, fair-faced concrete is a part of the structure that is intended to remain on view after completion. Fair-faced concrete structures tend to be modern, “one-of-a-kind” exemplars where a free and creative approach has been taken with regard to the shapes and surfaces.

The requirements made by the client and its architect(s) will tend to include the following:

a) Emphasising the uniqueness of the structure. In this respect, in-situ concrete offers a certain degree of archi-tectural freedom.

b) Ensuring that the structure is functionally appropriate and can be utilised in the manner intended

c) Having free scope to choose the desired surface design (in terms of grid patterns, joints and surface texture)

d) Supporting the development of advanced, unique structures with the creative freedom to shape both forms and perspectives

When it comes to planning a project, functionality and optimum space utilisation are decisively important – but so too are the surfaces, and the visual impact that these surfaces have. The focus is thus on the appearance that the architect wishes to impart to the concrete surfaces (the “architect’s wishes”).

If the architect’s ideas are to be put into effect success-fully, the fair-faced concrete team will need to have discussed all the issues involved very thoroughly. Having clearly defined responsibilities in the fair-faced concrete process is a key component making for successful im-plementation. Fair-faced concrete means teamwork! This reference brochure is intended to help bring about a clear formulation of the architect’s objectives.

Fair-faced concrete TEAM

Architect

“The Destination” – description by defining the categories of fair-faced concrete

Description of the fair-faced concrete surfaces

Doka reference brochure

Doka “Practical Information” brochure

Environ-mental

parameters

Influence on fair-faced concrete surfaces

“The Way” – descrip-tion of the choice of means, of suppliers, of personnel

Carrying out the works

Concrete placement

Concrete

Responsibility Task Requirement

Form-facing

Release agent

Supplier

Tender

Appraisal

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Standards and guidelines

Standards and guidelines help those who are putting the project out to tender to define it properly first, and then help the contractors to actually erect the structure. If the “fair-faced concrete surface result” is not to be left to chance, and if misunderstandings between client and con-

ÖVBB Fair-Faced Concrete Guideline “Formed concrete surfaces”available from “Österreichische Vereinigung für Beton- und Bautechnik” (Austrian Society for Concrete and Construction Technology, November 2009)

DBV Code of Practice “Fair-faced concrete”available from “Deutsche Beton- und Bautechnik- Verein E.V.” (German Concrete and Construction Technology Association, Bundesverband der deut-schen Zementindustrie e.V. (German Cement Industry Association), August 2008

ÖNORM B2211Concrete and reinforced concrete works – The Standard governing works contracts (June 2009)

tractors are to be avoided, there will need to be unambigu-ous and practicable descriptions (wordings for invitations to tender, sketches, photos) for these “concrete surfaces remaining permanently on view”.

SIA 118/262General Conditions for Concrete Construction, 2004 edition

GSV recommendations (GSV = German Quality Protection Association for Concrete Formwork)“Concrete surfaces with special appearance require-ments” (06/2005)Code of Practice for Rented Formwork (01/06)“Quality criteria for rental formwork” guidelines (04/03)

Technik des Sichtbetons (“The technology of fair-faced concrete”)Peck, Bose & Bosold (2007)

Normative literature relating to fair-faced concrete

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Description of the fair-faced concrete surfaces – surface design

As well as with the colour of the concrete, the archi-tect can realise his or her ideas by structuring and texturing the concrete surfaces and by stipulating certain design details.

The table at left gives an overview of the various options, which will be described in more detail below.

Dimensions of building elements

Construction joints

Joints between formwork elements/panels

Joint between form-ply sheets

Form-tie pattern

Structuring the concrete surface

Texture of the concrete surface

Edges

Form-tie point

Closing off tie-holes

Design of suspension points

Design details

Surface design options open to the planner

Form-facing, formwork systems and their attributes

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Structuring of the concrete surface

Before starting your forming preparations for tackling dif-ficult fair-faced concrete surfaces, you should address the following points:

• valid(i.e.approved)planningdocuments,preferablyindigital form

• whereverpossible,buildingshellplans(showingonlythe load-bearing walls and floor-slabs)

• establishingexactlywhichsurfacesaretobeexecutedin fair-faced concrete

• definingtheformworkpatternonthebasisofthe tender documents

• agreeingtheelevationplanswithlayoutsandsections(interruptions in the architectural surfaces due to adjacent walls and floor-slabs)

• takingaccountoffixtureswhichmayaffectthearchitec-tural surfaces (lighting, tubes etc. ...)

• decidingupontheconstructionjoints,inliaisonwiththestructural designer

• conductingdiscussionswithallthepartiesinvolvedintheconstruction project and in producing the visually exposed surfaces

• workingoutwhichofthesurface-qualityspecificationswillrequire a lot of extra work, and which only a little

• decidingwhatmeasuresneedtobetakentoprotectfin-ished fair-faced concrete building elements during subse-quent construction operations

Example: Stairwell elevation

A) Horizontal construc-tion joint

B) Vertical joint between formwork elements or panels

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a a a

b

AA

B

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Joints

Walls

In formwork-engineering terms, there are several different ways of creating the joints that are required by the planner and the structural designer, and/or that are necessary from the workflow point of view.

• Jointbetweenform-plysheets:Jointswherethesheetsofoneformworkelementabut• Jointsbetweenformworkelementsorpanels:Jointsbetweenindividualformworkele-

ments or panels• Constructionjoints:Jointsbetweentheindividualcastingsectionswhicharenecessary

for construction-sequence or statical reasons

These different types of joint each leave a different imprint in the concrete. Particular at-tention must be paid to construction joints, and to how these are dealt with in fair-faced concrete surfaces.The following points will need to be discussed with the planner and structural designer regarding the location and arrangement of construction joints:

Will the corners and wall junctions have to be formed as one single casting section, or can the walls be broken down into separate sections?

Left: Wall without corner configurationRight: Subsequent wall junctionA) Reinforcement connectionB) Triangular ledge

a... length of concreting sectionb... overall length of fair-faced concrete wall

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A

BC

D

A

B

A

EC

D

D

A

A

C

D

DB

A

A

C

D

D

B

13

Floor-slabs

• Willitbepossibletohavereinforcementconnectionsintheslab,meaningthatyoucanchoose where to locate the construction joints, or will the individual structure members have to be “poured-in-one”?

• Isitacceptablefortheendfaceofthefloor-slabtoremainvisiblethroughtheconstruc-tion joints?

• Iftheendfaceoftheslabisnotintendedtobevisible,theconstructionjointcanbemade at either the bottom or top edge of the slab.

• Whatisthemaximumlengthofwallthatmaybepouredinonecastingsection?• Wherewillconstructionjointsbeneeded,andwhereinthearchitecturalsurfacewill

they be possible?

A) View of surface of wallB) Triangular ledgeC) Floor-slabD) WallE) View of end face of slab

A) View of surface of wallB) Triangular ledgeC) Floor-slabD) Wall

A) Reinforcement connectionB) View of surface of wallC) Floor-slabD) Wall

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Texture of the concrete surface

The formwork is an important instrument for shaping and designing concrete surfaces. It is the formwork that im-parts the final shape to the concrete. The point of paying timely attention to the question of which formwork, form-ply and concrete to choose (“timely” meaning before the project is put out to tender) is to make matters clearer for all parties involved. Such measures may also make it possible to utilise rental formwork. However, the main influence on the appearance of the concrete surface is the concrete itself, and how it is utilised, and the release-agent that is chosen.

The following overview (source: ÖVBB Guideline “Formed concrete surfaces”, November 2009) points out the inter-relation between the surface of the form-facing and the surface appearance of the concrete, and possible effects.

1) Wood is a natural material in which – initially – the wood sugar content is unevenly distributed. To prevent dust formation and colour-shade differ-ences the first few times a sheet is used, pre-treat it with cement slurry or by using it first on less important building components. In dry weather, strongly absorbent types of form-ply intended for forming fair-faced concrete must be pre-moistened before pouring.

2) Allowance must be made for shape deviation caused by boards shrinking and swelling.

3) The absorbency of form-ply types 1 to 5 changes depending on the water saturation and the number of times the sheet has been re-used.

4) The non-absorbent properties of form-ply types 6 to 9 remain unchanged.

5) Excess release-agent must be squeegeed or wiped off.

++ highly suitable+ suitable0 preliminary trials needed– unsuitable

Legend for table (at right)

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1

Sheets made of de-rived timber product,

e.g. chipboard; uncoat-ed veneer plywood

Slightly rough, matt, dark concrete surface

T1 ++ – + + 0 0

2a2) Boards, rough-cut

Rough, dark concrete surface; lighter after repeated re-use; risk of wood fibres in the

concrete

T1 ++ – + + – –

2b2) Boards, planed

Smooth, matt con-crete surface; visible pattern; lighter con-crete than with 2a

T1 ++ – + + – –

2c2) Boards, profiledMatt concrete surface, colour shade like 2b,

tight board joinsT3 ++ – + + – –

Slig

htl

y ab

sorb

ent

3), 5

)

3

3-ply sheetsConiferous wood,

sanded, surface-treat-ed, to ÖNORM B 3023

Smooth, matt con-crete surface; slight wood-grain pattern; dark colour shade,

lighter after repeated re-use

T1 ++ – + + + 0

4

3-ply sheetsConiferous wood, brushed or sand-blasted, sealed

Bright concrete sur-face, bold wood-grain

patternT3 + + – – ++ 0

5Veneer plywood

synthetic resin coatedSmooth, bright

concrete surfaceT2 + + – – ++ 0

No

t ab

sorb

ent

4), 5

)

6Solid plastic sheets,

plastic composite constructions

Smooth, bright concrete surface

T2 + ++ – – ++ 0

7Forming tubes made of plastic or plastic-coated cardboard

Smooth, bright, lustrous concrete

surfaceT2 No release-agent must be used

8 Formliners

Finely to heavily struc-tured, bright concrete surface, joints must

be individually sealed

T3 0 0 – – ++ 0

9 Steel sheetSmooth, bright con-crete surface, risk of

rust marksT2 + ++ – – ++ 0

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Form-facing

The form-facing is the part of the formwork with which the visual effect of the fair-faced concrete surface (i.e. its texture and tint) can be influenced. These two factors can be changed by using different types of form-facing. The form-facings are outlined below in categories ranging from strongly absorbent (boards) to non-absorbent (plastic, steel etc.

Boards, rough-cut Boards, planed

Features:• rough,board-typesurfacestructurewithdark-

coloured concrete• lighterafterseveralrepeatuses• verystrongabsorbency• hardlyanyporesonthearchitecturalsurface• knots,resinpockets,etc.causevaryingabsorption

behaviour.• woodsugarsometimespreventsconcrete

hardening• dustformationonthesurface• woodfibresmaybeleftbehindonthesurface

Features:• smoothsurfacewithpronouncedwoodstructure• dark-colouredconcrete–lighterafterseveral

repeat uses• lowporeformation• knots,resinpockets,etc.causevaryingabsorption

behaviour.• woodsugarsometimespreventsconcrete

hardening• dustformationonthesurface

Surface of boardSurface of board

Concrete surface Concrete surface

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Formwork sheet 3-SO

Features:• plysheet(spruce)madeofcrosswiseglue-bonded

timbers• lowpronenesstocracking,duetothethinnerface

layers• glue-coatedsurface• boilproof,alkali-proof,waterandweathering-

resistant glue-bonding• slightboard-typesurfacestructure(dependingon

timber moisture content)• usedonwallandfloor-slabformwork• consistentlyhightimberquality• smoothconcretefaces• evenconcretesurface,ofuniformappearance• slightlyabsorbentsurface(=lowporeformation)

Formats:• widths:50cmand100cm• lengths:100cmto600cm,in50cmincrements• thicknesses:21mmand27mm

Surface of sheet Surface of sheet

Concrete surface Concrete surface

Features (in addition to those of 3-SO 21mm and 27mm):• brushedsurface• extravarnishsealantononeside• board-likecharactercreatedbyrecessedgrooves

(results in ribbed finish)• verylowabsorbency• highnumbersofrepeatusescanbeachieved• normalporeformation• light-colouredconcrete

Formats:• widths:50cmand100cm• lengths:250cm,300cm,400cm,500cmand600cm• thicknesses:21mmand27mm

Texture sheet 3-SO

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Dokaplex formwork sheet

Features:

• crosswiseglue-bondedbirchplywood• identicallyphenolicresin-coatedonbothsides• usedinwallandfloor-slabformwork• sheetforsmoothfair-facedconcretesurfaces• cutedgeissealed• lowabsorbency• structureless(smooth)surface• normalporeformation• light-colouredconcrete

Note:

• highnumbersofrepeatusesarepossible,espe-cially when the sheet is screwed on from the rear

• sheetsofthickness18mmandabovecanbescrewed on from rear

• 4mmand9mmthicksheetsarefastenedwithnails, staples or screws on the side facing the con-crete

• the4mmthicksheetsneedmorenailing,topre-vent rippling

• Whenconcretingwithplywoodsheets,variationsintimber moisture content may cause slight rippling on the face layer.

• Ripplingmaybecausedbydamagetothesurfacecoating. For this reason, treat the sheet with great care - avoid hammer-blows, scratches etc. - when using these sheets for floor-slabs, only use vibrators that have had rubber caps fitted to them

Formats:

• Thickness4mm: 300x150cm• Thickness9mm: 250x150cm,300x150cm• Thickness18mm: 250x150cm,300x150cm• Thickness21mm: 250x125cm,250x150cm,

300 x 150 cm

Surface of sheet

Concrete surface

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Xlife sheet

Features:

• crosswiseglue-bondedbirchplywood• force-orientatedglue-bondinglines• front(concrete-facingside)andrearcoveredwith

plastic skin• non-absorbentsurface• sheetforsmoothconcretesurfaces• highnumbersofrepeatuses• screwedontopanelfromrear• normalporeformation• light-colouredconcrete• isonlyusedinFramaxXlife,Alu-FramaxXlife,FramiXlifeandColumnformworkKSXlife

• availableasloosesheets

Formats:

• widths:145cm• lengths:265cm,325cm• thicknesses:21mm

Surface of sheet (rear / side facing concrete)

Concrete surface

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Formwork systems and their attributes

When the fair-faced concrete surfaces are being planned and put out to tender, the choice of formwork system is crucial, for both economic and technical reasons. The choice made here decides whether system formwork (framed or timber-beam formwork) can be used for the structure, or whether project-specific custom solutions will be required.

Impact of the formwork on the surface appearance:In general, three groups of formwork are differentiated; these may be used both for walls (straight/curved walls, columns) and for floor-slabs:

• system-basedframedformwork• system-basedtimber-beamformwork• customtimber-beamformwork

The high usage intensity, flexible handling, short forming-times, rapid delivery times and rentability of pre-assembled framed and timber-beam formworks make them extremely cost-effective. The big advantage of project-specific custom solutions is their complete adaptation to the geometry and surface of the structure to be formed. Factory pre-assembly of the formwork elements permits short forming-times, but requires longer lead-times for the design, planning and as-sembly work, as well as calling for very special care in transit.

More on this from Page 24 onward.

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Edges

Corners and edges are usually not cast with sharp edges, because these can easily be damaged when the formwork is struck, and in everyday use.

Any triangular ledges used in the casting of fair-faced con-crete must be suitable for the type of form-ply being used, in order to prevent colour differences caused by different absorption behaviours:

•WithFramaxXlife/Alu-FramaxXlifeframedformwork,PVC triangular ledges (chamfers) should be used (i.e. a non-absorbent triangular ledge with a non-absorbent form-ply)

Design details

•Timbertriangularledgesshouldbeusedonformworkfaced with with 3-ply sheets or boards (i.e. an absorbent triangular ledge with an absorbent form-ply)

To achieve clean sharp-edged corners, the formwork must be sealed by other means than triangular ledges, in order to prevent seepage of fine-grained mortar. Sharp-edged cor-ners can best be achieved with Large-area formwork Top 50.

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Form-tie point

Closing off the form-tie point

Fair-faced concrete universal cone 22mmThe Fair-faced concrete uni-versal cone 22mm consists of a Universal cone 22mm to which a Sealing disc 43 has already been stuck. The Fair-faced concrete universal cone 22mm prevents fine-grained mortar seeping out due to minor inaccuracies or where form-ties are placed at a slight angle.

Fair-faced concrete plug 22mm (concrete)Fibre-concrete cone for sealing the finished form-tie point once this has been prepared with the Fair-faced concrete universal cone 22mm or the Universal cone 22mm.

Fair-faced concrete plug 22mm (plastic)Plastic cone for sealing the finished form-tie point once this has been prepared with the Fair-faced concrete universal cone 22mm or the Universal cone 22mm.

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Costing calculations

The aim here is to obtain certainty regarding the likely formwork costs. In principle, it may be said that it is the architectural ideas which decide.

Factors influencing the formwork costs:• formworkrental,formworkplanning,joints,edgesand

sealings• purchasingform-facing,assemblyanddismantling,

storage and care• otherpurchasedcomponents,transportandhandling,

corrective maintenance of formwork

Results and appraisal

When areas of fair-faced concrete are given acceptance inspection and appraisal, the main emphasis is placed on evaluating the overall impression of a structure or part of a structure when viewed from a reasonable distance. To the extent permitted by the limitations that are typical of the type of construction and the type of materials used, the visible surfaces should achieve a harmonious overall appearance. Any chance irregularities are technology-specific and are characteristic of fair-faced concrete.

Figures given in %Framax Xlife framed

formwork*FF20 wall formwork

Top 50 custom timber-beam formwork

Rental costs per m² for 1 month

65 % 45 % 35 %

Formwork operations scheduling

5 % 5 % 40 %

Freight costs 5 % 10 % 10 %

Reconditioning Service guarantee (cleaning & repair)

25 % 15 % 10 %

Assembly / dismantling – 25 % 95 %

Form-facing (large-format) – 50 % 60 %

Total one-off costs for a 1-month on-site assignment

100 % 150 % 250 %

By way of example, the table below compares the relative costs of using various different wall formwork systems, e.g. for straight walls in a building-construction project.

* standard rented formwork with no changes of form-facingThe higher the desired quality, the higher the equipment costs and the time outlays.

Reference builds

Discover a selection of the many fair-faced concrete projects that have been carried out using Doka formwork – from Page 41 onwards, or at www.doka.com/ffc . More information, such as wordings for invitations to tender, may be found at www.doka.comunder“Know-how”.

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Formwork systems and their attributes

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135 90 60 45 30

240

57,5

155

115

135

270 33

0

54 54132

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Framed formwork Framax XlifeVery cost-effective, thanks to high number of re-use cycles

• pre-fabricatedframedformworkpanels

• definedpanelwidthsandheights• facedwithXlifesheet• frameimprintsintheconcrete• form-plyscrewedonfromtherear

(no marks left in the concrete from form-ply fixing screws or nails)

• neathorizontalandverticaljointpattern

• tidy,fixedtie-holepattern• flexible,aspanelscanbecom-

bined (15 cm increments)• panelscanbecombinedboth horizontallyandvertically

FramaxXlifeistheframedformworksystemthatusesonlyaveryfewdifferentpanelformatstoachieveaconsist-ent 15 cm increment-grid, no matter whether the panels are stood upright or on their sides. All the connectors and accessories fit seamlessly into this grid – making for fast forming-times and high efficiency.

The advantages for you

Frame imprint: W=18 mm, D=1.5 mm Form-tie point with framed formwork

A) Form-tie locations

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Large-area formwork Top 50The large-area formwork for all shapes and loads

• timber-beamformworkpre-assembledonproject-specific basis

• choiceofform-facings(e.g.forsmoothfair-facedconcrete, wood structure, etc.)

• noframeimprints• foreveryshapeofstructure• adaptabletodifferentformworkpressures• freechoiceofform-tieandjointpatterns(within

statically permitted limits)

The advantages for you

Large-area formwork Top 50 is a customisable “construction kit” formwork system designed to accomplish many very diversetypesoftask.Theshape,size,tie-holepatternandform-facingoftheelementscanbeadaptedtosuitanyre-quirement. By using extra items from the Doka standard range, wider tie spacing can be achieved than with conventional formwork systems.

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2.00 m

0.50 m

0.75 m

1.00 m

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Wall formwork FF20The site-ready timber-beam formwork with a system-grid

The advantages for you

• noframeimprints• pre-assembledformworkele-

ments• definedpanelwidthsandheights• tie-holepatterndictatedbythesystem;horizontallyvariable

• beamassembliesforattachingvariable form-facings are possible

Thanks to its ready-assembled standard elements, Wall formwork FF20 combines the advantages of timber-beam formwork (no frame imprints) with the grid-related advantages of a framed formwork system.

Element widths:

Element heights:

A) Form-tie locations* only in Germany

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Doka Xtra, Dokaflex 1-2-4The fast, versatile hand-set system

The advantages for you

• forshoringheightsofupto7.50m• infillzonesdealtwithbytelescopingthebeams,in

the system• noframeimprints• easytoadapttowallsandcolumns• anytypeofform-facingcanbeused• whenDokadurpanelsareused,aslightframeimprint

is visible on the concrete

These value-for-money, high-speed systems have a pre-defined stripping sequence which boosts efficiency and evens out the site crew’s workload. Any type of form-facing can be used, enabling all architectural wishes regarding the con-crete surface to be met.

Note:When formwork sheets are used that have been subjected to different degrees of usage, colour differences may occur on the concrete, brought about by the sheets’ different absorp-tion behaviour.

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Dokamatic tables, Dokaflex tablesThe unbeatably fast tableforms that adapt perfectly to any slab

• 4standardformatswithanunderlying“grid”logic: 2.50 x 4.00 m / 2.50 x 5.00 m / 2.00 x 4.00 m 2.00 x 5.00 m / custom formats possible• Tableformsfacedwith‘3-Splus’formworksheets,

21 or 27 mm. For Germany, tableforms faced with plywood sheets are also available.

• Whereflexibilityinthechoiceofform-facingisrequired, the Dokamatic table grille is available.

• Pre-definedtablegrid• Noframeimprints

The advantages for you

Fast forming of large areas of slab can be so easy, and so safe. With Dokamatic tables, fitting standard functional components couldn’t be simpler. And this system’s adaptability to widely differing requirements on the site is another factor making it so safe and unbeatably fast.

Note:When formwork sheets are used that have been subjected to different degrees of usage, colour differences may occur on the concrete, brought about by the sheets’ different absorp-tion behaviour.

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The formwork catalogue

Formwork-technology pathbreakers. The entire spectrum of Doka products and services is presented in a clear and well-structured way on the 516 pages of the formwork catalogue. This gives you a great overview of the Doka company, its services and its formwork systems.

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Doka Services

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Doka ServicesSupport in every phase of the project

Every project is unique. Nevertheless, there is one thing that all construction projects have in common – and that is a basic structure with five phases. Doka’s consulting, planning and ancillary services help you achieve effective imple-mentation of your formwork assignment using our formwork products – in every one of these phases.

Project development phase Tendering phase Operations scheduling phase

Taking well-founded decisionsthanks to professional advice and consulting

Find the ideal surface design and precisely define the overall param-eters with the aid of• helpwiththebidinvitation• in-depthanalysisoftheinitial

situation• objectiveevaluationoftheplan-

ning, execution, and time-risks

Optimising the preliminary workwith Doka as an experienced part-ner on fair-faced concrete projects

Draw up winning bids that take full account of the fair-faced concrete specifications, by• basingthemonrealisticguide-

line prices• makingtherightchoiceofform-

work system• havingtherighttimeandcost-

calculation basis

Right formwork, right time, right placethanks to professionally planned formwork concepts

Plan realistically right from the outset, thanks to• detailedoffers• determinationofthecommis-

sioning quantities• co-ordinationoflead-timesand

handover deadlines• takingfullaccountofthefair-

faced concrete specifications

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Execution of (shell) construction work

Completion of (shell) construction

Optimum resource utilisationwith assistance from the Doka Formwork Experts

Workflow optimisation, thanks to• thoroughutilisationplanning• projecttechnicianswhohave

huge experience with fair-faced concrete

• appropriatetransportlogistics• on-sitesupport

Seeing things through to a positive conclusionwith professional support

Doka Services are a byword for transparency and efficiency here, offering• jointlyhandledreturnofrented

formwork• professionaldismantling• efficientcleaningandrecondi-

tioning using special equipment

A selection of Doka’s services is presented on the following pages. Your Doka adviser will be pleased to give you comprehen-sive information on all the services that Doka offers.

The optimum solutionfor your fair-faced concrete project

“Spot-on” goal-fulfilmentProfessional advice, consulting and project oversight by Doka Formwork Experts lead to the fair-faced concrete specifications being properly fulfilled, and thus to satisfied clients, architects and contractors.

Cost savings and time gainsSelecting the right formwork sys-tems, and using them according to plan, is the foundation for busi-ness success.

TransparencyBecause our services and costs are completely transparent, there is no need for improvisation during the project – and no unpleasant surprises at the end of it.

Reduced close-out costsOur professional advice on the selection, quality and correct use of the equipment helps you avoid damage, minimise wear-and-tear and reduce subsequent finishing-work on the concrete surface.

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Information builds confidenceDoka’s broad range of information offerings will give you an overview of all the many possibilities of the product and service portfolio, and of reference projects covering all fields of formwork engineering. You’ll receive informa-tion on the technically correct way to describe fair-faced concrete, as well as in-depth information on how to make the best use of Doka formwork systems in practice.

Doka fair-faced concrete seminarsThe “Doka Professional” fair-faced concrete seminar provides not just formwork know-how but also informa-tion on topics like release-agents and concrete science that are relevant to fair-faced concreting. As well as these courses, Doka naturally also has comprehensive con-tinuing training offerings covering all fields of formwork technology.

Reference buildsCome and see what Doka formwork systems are capable of, and the concrete surfaces they achieve – in action at the site or by viewing the completed structure. Profit from the op-portunity of sharing views and experience onsite with Doka formwork specialists, the lead contractor and a representa-tive of the project owners.

Project supportWith its tailor-made advisory services, Doka can help you to optimise your workflows in every phase of your project – to boost the success of your fair-faced concrete project. Doka project support comprises:• detailedidentificationofcustomerrequirements,and

especially of the requirements regarding fair-faced con-crete surfaces

• adviceandconsultingonallbusiness,technicaland logistical issues regarding the formwork operations

More profitability and certaintyfrom better knowledge

• accuratedocumentationandproperlytrainedstaffgive you greater peace of mind

• peaceofmindfromknowingthatyourplanningis based on up-to-date information and tried-and-tested systems

• youbenefitfromourstate-of-the-arttechnicalknowledge

• thesuccessthatcomesfromworkingwithcapablepartners

Project development phase

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Selecting the formwork systemThe choice of formwork solution has a crucial influence on the fair-faced concrete result as well as on the profitability of your project. On the basis of the project requirements and the fair-faced concrete specifications, a detailed formwork concept is drawn up. Compliance with the required dead-lines, quality and costs takes top priority here.

Doka EngineeringBenefit from the high capability of the Doka Formwork Experts right from the very beginning of your project. Their technical preparations communicate all of the knowledge needed for a successful project, and include technical sup-port such as quantity surveys or calculations to determine the commissioning quantities.

Profit fromthorough, accurate planning

• accurate,detailedplanningprovidescertaintyregarding costings

• enjoythecertaintyofhighequipmentavailabilityand flexible materials-scheduling

• profitfromdeployinginspected,top-qualityformwork equipment

• time-savingsduetotheco-ordinated,transparentworkflows

• time-savingsduetotheoptimisedlogisticsconcepts for the site

Tender drawings and project structural analysisThe Doka formwork concept, complete with details of the underlying assumptions and stipulated boundary conditions, is presented in tender drawings – as the basis for your plan-ning! It goes without saying that every formwork solution that we plan undergoes statical analysis to ensure its stabil-ity and fitness for purpose. And user safety is given equally great emphasis, of course.

Presentation of the formwork conceptDoka specialists provide detailed explanations of our bid, with an in-depth presentation of the services that it includes and how these influence the concreting results. This precise and accurate information saves you valuable time.

Tendering phase – opera-tions scheduling phase

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Formwork InstructorsThe Doka Formwork Instructor is a specially trained and experienced practitioner who explains to your crew how to use the formwork effectively and safely. As well as the Formwork Instructors, Doka offers many other onsite services such as onsite formwork erection and consult-ing by fair-faced concrete experts. Especially when tough specifications are made regarding the concrete finish, it is more important than ever to ensure that the forming opera-tions are performed correctly and without any makeshift improvisations.

Formwork utilisation plansThorough, accurate planning is the basis for fast, safe forming operations. Doka planning is carried out on an engineering basis in accordance with the applicable Standards and rules. To simplify implementation, Doka can draw up bills of materials which will give you a good overview of all the products and services. If you wish, Doka experts will be pleased to draw up cycle plans for you, so that you can make optimised use of the required quantity of formwork, and also elevation plans showing the spacing of form-ties and the joint grid.

Structure modellingTo give you a better visualisation of complex geometries, Doka technicians can model the structure for you.

“Ready-to-Use” serviceDoka system formwork covers wide areas of formwork applications. The special requirements of fair-faced con-crete projects often call for special measures, however. This is where the Doka “Ready-to-Use” Service comes in, “tailor-making” custom formwork units for you. Each such custom formwork is very precisely crafted to ensure accurate assembly on the site.

Higher efficiency and profitabilityby getting the formwork-planning right

• fasterformingprogressfromprecisionplanningand optimised formwork utilisation

• siteteam’smotivationboostedbyworkingwithwell-functioning formwork solutions

• safetyenhancedbydetailedplanning• image-boostfromworkingoncomplexstructures

3D planningModern structure geometries call for modern planning methods and expert knowledge. Doka technicians will de-velop 3D-models for you as the basis for your formwork.

Execution of (shell) construction work

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CleaningAccumulated dirt is removed from the formwork using special equipment and industrialised procedures so as to fulfil the Doka quality standards. Depending on the degree of soiling and the product, the cleaning operation will comprise both wet cleaning, mechanical cleaning and special cleaning.

Reconditioning ServiceDoka rental formwork and client-owned Doka equipment is cleaned and overhauled here, to Doka quality standards, by the Doka Reconditioning Service. This lengthens its serv-ice life and means that on your next forming assignment, you can be sure of having perfectly functioning formwork equipment – always a precondition for top-quality concreting results.

You benefiton completion of (shell) construction, too

• putsyouonanupwardsuccesscurve,aswejointlylocate optimisation potential for future projects

• noworries,thankstoourfair,transparentprocedures• ourprofessionaldisassemblyservicereduces

close-out costs• shorterrentalduration,whichcutsyourcosts• outsourcingthecleaningworksavesyoutimeand

resources Completion of (shell) construction

Dismantling by “Ready-to-Use” serviceFormwork units are dismantled in the Doka Ready-to-Use Service centres, client-owned equipment is sorted and any non-reusable formwork equipment can be disposed of prop-erly on request. In this way, you can concentrate fully on your own core competences.

Final review meetingDoka joins with the client to analyse the finished project with regard to its technical planning and execution, the project realisation and the “bottom-line” of the project in terms of pricing, equipment commissioning quantities, logistics and the quality of the processes. This helps both parties to locate any optimisation potential for future projects that we work on together.

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Residential construction – reference builds

Model housing development in Hadersdorf, Vienna, House n° 6 Page 42Detached home in Petrisberg Page 43Han Bit terraced housing Page 44Detached home in Vienna Page 45

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Model housing development in Hadersdorf, Vienna, House n° 6

LocationVienna, Austria

ContractorsStrabag, Vienna

ArchitectsRoger Diener, Basle (CH)

FormworkWall formwork FF20

Form-facingTexture sheet 3-SO

Special featureTextured formwork sheets on FF20 formwork (screwed on from rear), form-tie points and suspension points for platforms in defined grid pattern

The architecture firm of Krischanitz was behind this model housing development, consisting of 10 apartment buildings on an 8000 m² plot on the outskirts of Vienna. 9 noted architects from Austria, Germany and Switzerland were each invited to design one of the buildings.

All the buildings were required to be constructed solely from concrete, to demonstrate the huge variety of shapes and forms that are possible with this material.

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Detached home in Petrisberg

LocationTrier, Germany

ContractorsJosef Schmitz GmbH, Grosslittgen

ArchitectsDenzer & Poensgen, Cologne

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet

Special featureStipulated joint and form-tie pattern

Together with the client, the architecture firm of Denzer & Poensgen from Cologne here devised a striking spatial and residential concept: With around 470 m² of resi-dential space on 3 levels, the building – which is almost entirely in fair-

faced concrete – alludes to the legacy of Roman building culture which may be found throughout the historic city of Trier. Its clearly organised design features paths, patios, passageways, indoor and outdoor spaces, with the re-sult that living in this house is a truly unique experience.

A microcosm of a small ancient town, in fact: closed to the outside, and then gradually opening itself to residents and visitors alike as one moves inwards, culmi-nating in an architecturally styled atrium with a water basin as an oasis of green at the heart of the building.

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Han Bit terraced housing

LocationZurich, Switzerland

ContractorsToneatti AG, Jona

ArchitectsBurkhalter Sumi Architekten, Zurich

FormworkLarge-area formwork Top 50

Form-facingTimber planks

The “Han Bit” terraced housing development in Herrliberg comprises three separate homes. All the facade surfaces are in

fair-faced concrete. For the fair-faced concrete formwork, rough-cut planks were mounted on pre-assembled timber-beam formwork

elements. The architect specified that these planks had to be replaced after every single pouring cycle.

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Detached home in Vienna

LocationVienna, Austria

ContractorsHabau, Vienna

ArchitectsZechner & Zechner ZT, Vienna; Architect Monika Breu

FormworkFramax framed formwork

Form-facingDokaplex formwork sheet

Special featureFramax grid as specified by architect

A house in an exposed hillside situation on the outskirts of Vienna: The grounds are terraced by three long retaining walls which the structure appears to hover above. The house itself is made up of 3 separate zones: the plinth, the ground-

floor plateau and the “box”. Two retaining walls running in parallel with the hillside merge with the basement and the terrace to form a stone plinth as part of the modelled terrain. On this pla-teau is the living-room, with a semi-openplan kitchen. The room-high glazed areas on

the southern and northern sides set the boundaries of the interior, although in visual terms the living-room extends out to encompass the entire area of the plateau. This offers unobstructed views out onto the surround-ing countryside and the hills of the Vienna Woods.

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Photo: Martin Gfrerer, Trecolore Architects

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Building and industrial construction – reference builds

Building for BTV bank and assorted investors, Telfs Page 48Main railway station, Innsbruck Page 49Pharmacy, Ebenthal Page 50Office building in Hall-West Page 51Premises for Smart Letter u. Services Versand GmbH Page 52Schuhhaus Görtz footwear emporium Page 53Domhotel Page 54Bâtiment Administratif Axento Page 55

Blumenstrasse Administration Building Page 56E.ON administration building Page 57Modezentrum Osthafen, Labels II Page 58Parking deck at Biberach District Clinic Page 59Centre National de L’Audiovisuel (CNA) Page 60Isar-Amper clinic Page 61Vision on State Page 62New multipurpose building Page 63Torre de Control Page 64GÉV HUNIBER Graphisoft Page 65

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Building for BTV bank and assorted investors, Telfs

LocationTelfs, Austria

ContractorsBodner Kufstein

ArchitectsNoldin & Noldin Architekten

FormworkFramed formwork Framax Xlife, Large-area formwork Top 50

Form-facingDokaplex formwork sheet

With its extensive fair-faced concrete surfaces, this new branch building for Bank für Tirol und Vorarlberg is a new architectural landmark right in the centre of Telfs.

One third of the floor-space was built for the bank branch, and the other two thirds for public bodies and private companies.

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Main railway station, Innsbruck

LocationInnsbruck, Austria

ContractorsAlpine Mayreder, Kematen

ArchitectsRiegler Riewe, Graz

FormworkLarge-area formwork Top 50

Form-facingDokaplex formwork sheet

Special featureColumns and walings with no construction joints; dyed fair-faced concrete; SCC; concrete poured via filler neck in the formwork

Identical colouration throughout; exact, sharp concrete edges; dimen-sional accuracy to within millimetres; no tie-holes to be visible in the concrete,

and a stipulated joint-mark pattern – these were the tough specifications for Inns-bruck’s new main rail station, perfectly fulfilled using form-work from Doka.

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Pharmacy, Ebenthal

The main elements of this building are its 2 curved reinforced-concrete beams, which give it the necessary

statical stability and its ex-traordinary appearance. The reinforced-concrete beams are 26 m long and 9 m high,

LocationEbenthal, Austria

ContractorsOVEN Bau, Carinthia

ArchitectsTrecolore Architects(Architekturbüro Dorn Ziviltechniker GmbH, Annenheim)

FormworkFramax framed formwork, Circular formwork H20

Form-facingFilm-coated multi-ply formwork sheet

Special featureConcrete ring was cast on its side and then lifted into the upright via pivot joints

and each weigh around 131 tonnes.

Because of these massive dimensions, they were cast using a special proc-ess. The reinforced-con-crete beams were poured flat on the ground, on their sides, connected to the foundations by articulated steel joints. After curing, the r.-c. beams were lifted into position by mobile cranes and the articu-lated joints were welded together and then embed-ded in concrete.

Photo: Martin Gfrerer, Trecolore Architects

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Office building in Hall-West

LocationHall-in-Tirol, Austria

ContractorsFröschl, Hall-in-Tirol

ArchitectsMartin Kinzner, Hall-in-Tirol

FormworkFramax framed formwork

Form-facing3-SO formwork sheet

Special featureDesigned with accentuated joints, special platform for outside formwork, concrete dyed an anthracite shade

Situated at a busy cross-roads, this four-storey structure was designed in dark grey fair-faced concrete. It includes a car-park, business premises and offices on approx. 8000 m2 of floor-space.

The use of Doka 3-SO three-ply sheets mounted on Framax Xlife led to the horizontally orientated appearance pattern of the fair-faced concrete facade.In order to match the tie-hole pattern to the format

of the 3-SO sheets, timber closures were fitted between the panels to allow more flexible spacing of the form-ties. Around the windows, the construction joints were emphasised with trapezoidal strips.

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Premises for Smart Letter u. Services Versand GmbH

The defining design ele-ments of this building are the two 60m long and 10m high fair-faced concrete walls that enclose its eastern and western sides.

LocationInnsbruck, Austria

ContractorsUniversale Innsbruck

ArchitectsMalojer, DI Kohler, Innsbruck

FormworkFramed formwork Framax Xlife

Form-facingXlife sheet

Special featurePlatform suspension points incorporated in tie-hole pattern

The architect specified that the form-tie and joint pattern was to be kept as uniform as possible across the entire area of these walls. To meet this specification, only one

single size of panel (Framax Xlife 240x330) was used in the forming operations.

For the second wall casting section, the form-tie points of the first casting section were used as the suspen-sion points for the platform. This enabled the formwork pattern to be retained in this area as well. The fair-faced concrete team was a model of successful co-operation, enabling superb results to be achieved.

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Schuhhaus Görtz footwear emporium

LocationHanover, Germany

ContractorsWilhelm Wallbrecht GmbH & Co KG, Hanover

ArchitectsBLOCHER BLOCHER Partners, Stuttgart

FormworkWall formwork FF20 elements, some of them faced; timber components for large box-outs

Form-facingDokaplex formwork sheet; film-coated multi-ply formwork sheet

Special featureDue to the tight radii, the rounded inside corners were executed with bent plywood and paintwork.

Costing around ten mil-lion euros, the revamped and newly built six-storey Görtz shoe-shop and fashion store stands out for its fascinating interplay of architectural shapes. One of its distinctive fea-tures is the load-bearing, rhombus-patterned CIP

concrete construction beside the escalator. Consisting of three X-shaped crosses on each storey, this construction elbows across in the hori-zontal at fourth-floor ceiling height to act as the sup-porting construction for the overhead roof glazing of the escalator-well.

Photo: Blocher Blocher Partners

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Domhotel

As well as by its location and amenities, the hotel is characterised by modern architecture and contempo-

LocationLinz, Austria

ContractorsStrabag Linz

ArchitectsHohensinn Architektur, Graz

FormworkFramed formwork Framax Xlife

Form-facingDokaplex formwork sheet

Special featureBuilding inclines in two directions; facade consists of columns and downstand beams only; exterior walls in CIP concrete with no visible form-tie holes.

rary design which blend in harmoniously with the adja-cent cathedral precinct. Four storeys plus one roof storey

high, the facades incline inwards as the building rises, so as to fit in with the roofscape of the adjoin-ing baroque buildings.

The strictly composed fa-cade structure harmonises with the neo-gothic propor-tions of the Mariendom cathedral. The modern, aesthetically appealing yet inviting interior fittings ex-ude a sense of hospitality, ease and comfort.

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Bâtiment Administratif Axento

LocationKirchberg, Luxembourg

ContractorsTralux

ArchitectsArlette Schneiders

FormworkLarge-area formwork Top 50Dokamatic table

Form-facingFilm-coated multi-ply formwork sheet

Special featureFair-faced concrete-facade consisting of three vertical casting sections, each 10 m high

The extraordinary de-sign by the Luxembourg architecture firm Arlette Schneiders Architectes provides for two asym-metrically nested cubes, with a shopping arcade on the ground floor.

Stairways in two five-storey high halls lead up to the floors arranged in an L-shape around the inside cube. The technically demanding fair-faced concrete surfaces of the facades were cast against the load-bearing prefabricat-

ed members in three vertical sections.

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Blumenstrasse Administration Building

The two-leaf concrete facade of this six-storey administra-tion building in the centre of Munich was constructed in red fair-faced concrete and

LocationMunich, Germany

ContractorsDechant Hoch- und Ing.bau GmbH&Co.KG,Weismain

ArchitectsMeck Architekten, Munich

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet

Special featureNon-tied façade formwork on special platforms, coloured concrete

merges seamlessly with the red brick facade of the next-door building. The specified sharp edges and invisible form-tie points called for a

working platform without any suspension points on the exterior facade.

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E.ON administration building

LocationZolling, Germany

ContractorsPorr Deutschland, Murnau Branch

ArchitectsBoesel Benkert Hohberg Architekten, Munich

FormworkFramed formwork Framax Xlife, Dokamatic tables

Form-facingXlife sheet

Special featureDiagonally inclined building with haunched soffits

On a very cramped site at E.ON Kraftwerke GmbH’s Zolling power station stands this energy-effi-cient new administration

building. Nearly 13 m tall, this compact structure is built mainly in fair-faced concrete and has a south-facing slant to make better use of natural

daylight. This 26° slant on the southern side means that the side walls are trapezoidal in shape, and that the facades overhang on the southern side and have a rearward inclination on the north side. The walls and soffits in the centrally located entrance concourse, in the fire station housed in the west wing, and in the 3.30 m high typical storeys, are all executed in “Class 3 fair-faced concrete” as defined in the DBV Code of Practice.

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Modezentrum Osthafen, Labels II

Berlin is trying to recapture its glory days as a capital of fashion. In one such project, the young Swiss architectural practice of HHF Architekten, pupils of Herzog & de Meu-ron, designed a new building with an extraordinary green facade for the city’s Stralauer Allee fashion cluster. The fair-faced concrete window arches are meant to be reminiscent of curtains, and have 18 different shapes. For these, Doka supplied tailor-made elements of Large-area formwork Top 50 faced with profiled timber formers. To form the walls themselves, in category SB 2 fair-faced

LocationBerlin, Germany

ContractorsIngenierbau-Gesellschaft mbH, Berlin

ArchitectsHHF Architekten, Basle

FormworkLarge-area formwork Top 50Wall formwork FF20Dokamatic table

Form-facingFF20 formwork sheeting

Special featureWalls executed in Class SB 2 fair-faced concrete. Parabolic window arches criss-cross the facade and the building as a whole, and so also characterise the formwork solution

concrete, 1180 m² of Wall formwork FF20 were used. From the ground floor up-

wards, the 1380 m² floor-slabs were formed using Dokamatic tables.

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Parking deck at Biberach District Clinic

LocationBiberach, Germany

ContractorsGrüner & Mühlschlegel, Biberach

ArchitectsPlanungsbüro Anselment, Möller & Partner GmbH, Karlsruhe

FormworkCustom tableforms, Top 50 system

Form-facingDokaplex formwork sheet

Special featureConstantly varying longitudinal and transverse gradients; all formwork-sets pre-assembled by the Doka Ready-to-Use Service

The system developed by engineering consultants Anselment makes it pos-sible to build basement car-parks, multi-storey car parks and car-parking decks with plenty of use-able space that is unob-structed by columns. The complex shaping of the coffered haunch plates, consisting of longitudinal and transversal haunches, makes very high demands indeed of the formwork-makers. The parking deck at the District Clinic in Biberach was built on top of an existing car-parking area and merges with the contours of a hill.

Every slab span and every haunch becomes narrower

in the longitudinal direction, and the column cross-sec-tions decrease from 1.30 m to 1.20 m. As the downhill gradient of each casting sec-tion increased from 0.40% to 5.15%, every single formwork element had its own separate

longitudinal and transverse gradient. In each case, the shape of the skewed ply-wood face was dictated by precision-cut profiled timber formers mounted on Doka-matic table grilles.

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Centre National de L’Audiovisuel (CNA)

Designed by architect Paul Bretz, this cube-shaped, 68 m x 68 m two/three-storey new building houses the Luxem-

LocationLuxembourg

ContractorsCDC Construction, Luxembourg

ArchitectsPaul Bretz

FormworkLarge-area formwork Top 50

Form-facingDokaplex formwork sheet

Special featurePlastic tubing used to protect the projecting reinforcement against rust

bourg motion-picture collec-tion of the Centre National de L’Audiovisuel (CNA) and stands out for its 24,300 m²

of high-quality fair-faced concrete walls.

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Isar-Amper clinic

LocationTaufkirchen, Germany

ContractorsJosef Hübl, Velden

ArchitectsJoachim Ganz, Berlin

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet

Special featureFair-faced concrete-facade with pre-defined grid for form-ties and joints between formwork sheets

On the approx. 150 m x 70 m extension of the forensic department of this specialist hospital for

psychiatry, psychotherapy and psychosomatic medi-cine, several sections of wall had to be built in fair-faced

concrete with a defined sheet and form-tie pattern. Due to the pour-heights of up to 7.00 m and more, all the formwork was designed for a high (90 kN/m²) fresh-concrete pressure.

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Vision on State

The Vision on State is a 21-storey residential building in Chicago. The storeys were constructed in a 6-day cycle.The stairwell core was built

LocationChicago, USA

ContractorsConcrete Structures of the Mid-West

ArchitectsPappageorge Haymes Ltd

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet and plastic reveals

with Climbing formwork MF240. The columns were formed with Large-area formwork Top 50 and Framed formwork Frami.

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New multipurpose building

LocationSotto il monte Giovanni XXIII, Italy

ContractorsEdil Scavil

ArchitectsAntonio Gonella

FormworkLarge-area formwork Top 50

Form-facing3-SO formwork sheets

Special featureSCC, timber imprint on concrete

This multipurpose build-ing in fair-faced concrete was built by the architect Antonio Gonella and by the JV of Edilscavil srl, Costruzioni Edilcar di Albano S.A. and I.M.I di Piantoni Enzo. The build-

ing has a long, travertine-clad colonnade along its main facade and was built entirely from self-compacting concrete. To save on labour costs, the Large-area form-work Top 50 was supplied to the site ready-assembled.

The form-tie grid stipulated by the architect creates an aesthetic pattern in the fair-faced concrete walls of the interior rooms.

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Torre de Control

The control tower of San-tiago de Compostela Airport was built in white fair-faced concrete. To be sure of

LocationSantiago de Compostela, Spain

ContractorsDragados

ArchitectsGOP Oficina de proyectos / GHESAIngeniería y Tecnología

FormworkDoka large-area formwork Top 50

Form-facingDokaplex formwork sheet

Special featureWhite concrete, rust-protected reinforcements

achieving optimum results, contractors Dragados poured trial walls beforehand.The control tower rises from

a star-shaped groundplan, with intersecting walls of different heights. The form-tie pattern for the walls was also prescribed by the architect. The platform which cantilev-ers out at a height of over 40 m was safely shored with the aid of Doka load-bearing towers d2. Based on Large-area formwork Top 50, the formwork solution adapted perfectly to the shapes of the tower and came equipped with safe working platforms.

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GÉV HUNIBER Graphisoft

This architectural award winning building was created using Large-area formwork Top 50. The

LocationBudapest, Hungary

ContractorsGév-Huniber Kft.

ArchitectsTEN Építész Műterem Bt.

FormworkFramed formwork Framax Xlife, Large-area formwork Top 50Circular formwork H20

Form-facingFilm-coated multi-ply formwork sheet,3-SO formwork sheets

many “windows” in the fair-faced concrete walls serve as a design element and were constructed with the aid of

box-outs nailed onto the formwork elements.

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Sporting facilities and cultural edifices – reference builds

Museum Liaunig Page 68Sölden Cemetery Page 69Red Rock National Conservation Area Page 70Bergen-Belsen Memorial Page 71Ferry Porsche Congress Centre Page 72Church community centre for Christengemeinschaft in Bayern Page 73Phaeno Science Centre, Wolfsburg Page 74Pinakothek der Moderne (art gallery) Page 75Seebad Kaltern / Lido di Caldaro lakeside bathing centre Page 76Hajós Alfréd swimming pool Page 77

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Museum Liaunig

The concept for the Liaunig private museum comprises 4 strikingly distinctive building members. It encompasses a 600 m² viewable storage area, the 160 m long main exhibition corridor, the 500 m² room for graphics and a separate room (approx. 350 m²) for the gold collec-tion. The main focus of the formwork planning work was on the “fair-faced concrete tunnel” with its length of 160 m. For this, the timber-beam formwork elements were hung from a reposi-tionable construction. This made it possible to travel the 10.40 m long and over 7 m high “formwork curtains” relatively easily from one casting section to the next.

LocationNeuhaus, Austria

ContractorsStrabag, Carinthia

Architectsquerkraft - architekten zt gmbh, Vienna

FormworkLarge-area formwork Top 50

Form-facingDokaplex formwork sheet

Special featureSCC concrete for 7m high walls, travelling unit

Photo: Lisa Rastl, querkraft

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Sölden Cemetery

LocationSölden, Austria

ContractorsAuer, Umhausen; Hilti & Jehle, Ried

ArchitectsRainer Raimund, Innsbruck

FormworkFramax framed formwork, Wall formwork FF20

Form-facingDokaplex formwork sheet

Special featureWall with 30° rearward inclination; up to 7 m high

Using Doka formwork, contractors Hilti & Jehle achieved superb fair-faced concrete on this project to remodel the church forecourt and extend the cemetery in the Austrian town of Sölden. Planned by architect Raimund Rainer and commissioned by the local authority, the project was implemented to the client’s complete satisfaction.

The limited space avail-able in the centre of the town and the high quality specifications laid down by the client presented a major challenge to the planning architect and the contractors, and to Doka as the formwork supplier.

In view of the stringent qual-ity specifications, this project called for close collaboration between the architect (Rain-er), the construction super-visor of the municipality of Sölden, the contractors Hilti & Jehle (Ried), the Rödlach structural design office (Telfs) and the formwork special-ist Doka, in order to achieve optimum concreting results.

In this connection it was par-ticularly important to define a concrete appearance – with uniform spacing of the joints and form-ties – that not only fulfilled the aesthetic de-mands but also took account of formwork-technology practicalities.

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Red Rock National Conservation Area

The Red Rock Canyon is drawing ever larger crowds, and this has made it neces-sary to build a dedicated visitor centre. On this project, a jumble of red fair-faced concrete elements catches the eye.

LocationNear Las Vegas, USA

ContractorsArmada Construction

ArchitectsLine and Space Architects

FormworkLarge-area formwork Top 50 with profiled timber formers

Form-facingFilm-coated multi-ply formwork sheet

Special featureRed dyed fair-faced concrete

Eleven fair-faced concrete walls, all of different heights, are nested inside one another. The surfaces and edges are at a different angle on every single wall. The wall heights range here from approx. 2.75 m to 5.80 m.

The result is an architec-tural masterpiece that blends brilliantly into its surroundings yet is an unmissable eye-catcher for the over one million visitors who flock here every year.

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Bergen-Belsen Memorial

LocationBergen-Belsen, Germany

ContractorsWilhelm Wallbrecht GmbH & Co KG, Hanover

ArchitectsKSP Engel und Zimmermann Architekten, Braunschweig

FormworkLarge-area formwork Top 50

Form-facing3-SO formwork sheet

In the Lüneburg Heath dis-trict north-east of Hanover lies the Bergen-Belsen Memorial. Now, 65 years

after the concentration camp was liberated, the Memorial is being extended – with an elongated and gently slop-

ing documentation centre constructed almost entirely of fair-faced concrete on both inside and out.

The ideas and planning work for this exhibition building were supplied by architects KSP Engel und Zimmermann of Braunschweig. They make very deliberate and con-scious use of concrete as a powerful design element in its own right. The result is a 195 m long, 18 m wide and up to 12 m high two-storey fair-faced concrete struc-ture with a good 1500 m² of exhibition space and archive rooms. The roof area runs nearly horizontally, while the floor rises by around 2.0 m over the entire length.

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Ferry Porsche Congress Centre

The Ferry Porsche Congress Centre is a multifunctional event venue belonging to the municipality of Zell am See-Kaprun that can be used for many different types of public function.

In the basement levels, Framax Xlife extra-large pan-els 2.40 x 3.30 m were used, and Framax Xlife panels for the stairwells. From the ground floor up, the site crew cast all the walls using FF20 elements.

LocationZell am See, Austria

ContractorsHV Bau GmbH

ArchitectsPerler&Scheurer Architekten BDA (with Jens Giesecke Architekten)

FormworkFramed formwork Framax Xlife, Large-area formwork Top 50Wall formwork FF20

Form-facingDokaplex formwork sheet

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Church centre for Christengemeinschaft in Bayern

LocationMunich, Germany

ContractorsWittkopf Bauunternehmen GmbH, Inchenhofen

Architectsbpr architektur und design, Stuttgart

FormworkFramed formwork Framax Xlife

Form-facingFilm-coated multi-ply formwork sheet

Special featureFair-faced concrete entrance porch cast separately as a pre-cast member

The oval entrance porch of the new church commu-nity centre for the “Chris-tengemeinschaft in Bay-ern” in the Munich suburb of Pasing undulates in and out at the front before meeting in a pointed tip at the apex. The only extra treatment given to the fair-faced concrete-surface was a varnish coating.

Framed formwork Framax Xlife served as the sup-porting construction here. Profiled timber formers were used for adaptation to the shape of structure, with multi-ply formwork sheets being used as the form-ply.

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Phaeno Science Centre, Wolfsburg

With its extraordinary geometry and the required fair-faced concrete quality, the Phaeno Science Centre

LocationWolfsburg, Germany

ContractorsE. Heitkamp

ArchitectsZaha Hadid Ltd & Mayer Bährle Freie Architekten BDA

FormworkLarge-area formwork Top 50

Form-facingTongue-and-groove boards

Special featureSCC, structure geometry

breaks wholly new ground in terms of formwork usage. The construction material used also sets a new bench-

mark: The building was mainly cast with SCC – self-compacting concrete.

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Pinakothek der Moderne (art gallery)

LocationMunich, Germany

ContractorsAlpine Bau Deutschland AG, Eching

ArchitectsStephan Braunfels

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet

Special featureAccentuated (ribbed) joints

With around 15,000 m² of exhibition space, Ger-many’s biggest museum of modern art opens itself

towards the city-centre as a light and airy conserva-tory on the south side of the building, while the northern

side offers an unobstructed view of the older “Alte” and “Neue” Pinakothek galler-ies. The fair-faced concrete facade was constructed as a thin-walled facing in CIP concrete with a defined 5.6 m x 2.6 m joint grid, projecting horizontal and vertical ribs and sharp edges.

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Seebad Kaltern / Lido di Caldaro lakeside bathing centre

The South Tyrolean town of Kaltern is home to a most unusual structure: an open-air pool built as a monolithic CIP concrete block, right on the lakefront. The sun-deck “hovers” on six idiosyn-

LocationKaltern, South Tyrol (Italy)

ContractorsZimmerhofer, Campo Tures

ArchitectsErnst J. Fuchs, Viennathe next ENTERprise – architects

FormworkCustom formworks with supporting construction

Form-facing3-SO formwork sheets

Special featureComplicated structure geometry

cratically shaped supporting cores, with the swimming pool sunk into the middle of it. Stringent fair-faced con-crete specifications, complex geometries and non-tied sup-porting cores – these were among the challenges which the various Doka formwork systems had to address.

Doka 3-SO three-ply sheets also stand out for their very great dimensional stability and high numbers of re-use cycles. At the Kaltern lido, their natural wood structure is being deliberately used as an architectural design element.

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Hajós Alfréd swimming pool

LocationBudapest, Hungary

ContractorsKÉSZ Kft & 31. ÁÉCS

ArchitectsÉpítész Stúdió Kft.

FormworkFramed formwork Framax Xlife, Large-area formwork Top 50

Form-facingXlife sheet, film-coatedmulti-ply formwork sheet

The use of Large-area formwork Top 50 made it possible to produce a neat formwork and tie-hole pattern on the visually exposed surfaces. On nar-rower sections of wall, the form-ties were located outside the concrete. On wider sections of wall, the form-tie points were ar-ranged in such a way that they fit in seamlessly with the overall concept.

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Transportation infrastructure – reference builds

Hungerburg Funicular, River Inn Bridge Page 80Suburban railway at Taxham, nr. Salzburg Page 81City Tunnel, Leipzig, Bayerischer Bahnhof station Page 82Retaining wall, Winkeln Page 83Bridge over Stuttgart-Ulm railway line, BW 1 Page 84Viaduc de Verrières Page 85Mill Road Overbridge Page 86Estakáda Sluncová Page 87

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Hungerburg Funicular, River Inn Bridge

Innsbruck’s new Hungerburg Funicular makes it possible to take a ride directly from the city centre all the way up to 2200 m above sea level.

Two existing gondola cable-ways were renovated and adapted, and linked to the city centre by a new funicular railway. A central architec-tural challenge of this project was the diagonal crossing of the River Inn in the heart of Innsbruck. The steel con-struction of the bridge is carried on cables hung from two 33 m tall pylons. The

LocationInnsbruck, Austria

ContractorsStrabag AG, Innsbruck

ArchitectsZaha Hadid

FormworkLarge-area formwork Top 50

Form-facingTongue-and-groove boards

Special featureEach formwork used once only (unique to each casting section); same number and distribution of boards from bottom to top, despite taper

pylons are inclined against the direction of pull and have a curved cross-section which varies across the entire height of each pylon. For each height-section, the Doka “Ready-to-Use” Service sup-plied separate tailor-made shaping-timber boxes.

The overall formwork con-cept was rounded off by an ingenious system for the working platform in each of the height-sections.

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Suburban railway at Taxham

LocationTaxham, nr. Salzburg, Austria

ContractorsAlpine Mayreder, Salzburg

ArchitectsPlanning consortium of Werner Consult - Bernhard + Partner, BM Ing. Stoik, Ing. Büro Wölfle, Arch.Fally-Halle 1, Vienna

FormworkWall formwork FF20

Form-facingDokaplex formwork sheet

The equipment used here included Wall formwork FF20 and a pre-assembled steel-waling construction. The exact shape adapta-tion was achieved using

shaping-timber boxes pre-assembled by the “Ready-to-Use” service. A particular challenge here was the com-plex geometry in the “kink” on the spherical surface, with

its relatively tight radii. The surface of the pier was sand-blasted to give the concrete a matt appearance.

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City Tunnel, Leipzig, Bayerischer Bahnhof station

LocationLeipzig, Germany

Contractors“ARGE City-Tunnel Leipzig Los B” consortium

ArchitectsPeter Kulka, Dresden

FormworkLarge-area formwork Top 50

Form-facingFilm-coated multi-ply formwork sheet

Special featureIntegration of bracing struts having both an architectural and a structural function

The City Tunnel is a twin-tube railway tunnel linking Leipzig’s main railway station to the Bayerischer Bahnhof station. The 197 m long Bay-erischer Bahnhof itself has 11.30 m high fair-faced con-

crete walls. The suspension points for the climbing form-work are integrated into the form-tie pattern and given a similar appearance to the form-tie points. The bracing struts for the stairwells are

placed crossways across the overhead space. Daylighting is provided by a large central opening in the roof of the station.

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LocationSt. Gallen, Switzerland

ContractorsARGE Winkeln consortium

ArchitectsWepf Ingenieure, Flawil

FormworkLarge-area formwork Top 50

Form-facingTexture sheet 3-SO

A new motorway junction at St. Gallen-Winkeln also involved the construction of 1770 m of retaining wall. The contracting JV of ARGE Winkeln carried out the concreting works for this structure using 10 sets of Large-area formwork Top 50. Each of

these sets of formwork was 8.1 m long. Some extremely attractive concrete results were achieved. The forms were faced with Doka 3-SO textured formwork sheets. Despite the large number of casting sections, these delivered superb concrete surfaces.

Retaining wall, Winkeln

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Bridge over Stuttgart-Ulm railway line, BW 1

This overpass taking a district road across the busy Munich-Stuttgart railway line stands out for its cantilevered para-pets, which have a board-type surface structure with

LocationStuttgart, Germany

Construction firmBaresel GmbH, Ulm

ArchitectsBrandolini+Seitz Ingenieurgesellschaft mbH

FormworkLarge-area formwork Top 50,Heavy-duty supporting system SL-1

Form-facingTongue-and-groove boards

Special featureBridge-edge forming wagon used on both sides simultaneously

a distinctive geometry. The large width of the sidewalk kerbs made it impossible to use a standard overslung edge-kerb forming wagon here. Also, the very limited

clearance between the bridge and the overhead contact line meant that a standard underslung edge-kerb forming wagon could not be used either. Instead, a custom solution based on Doka’s steel-composite-bridge system had to be devised.

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Viaduc de Verrières

The 5 piers of this motor-way viaduct near Verrières are characterised by their unusual geometrical shape.

While the three shorter piers rise in a uniformly tapering conical shape, the two larger ones grow out of a 40 m high parabolic shaft. This parabolic pro-file is visually accentuated by its projecting haunch.

LocationMidi-Pyrénées, France

ContractorsSpie Batignolles - Sogea - Dodin Sud - Razel – VB

ArchitectsAndré Mascarelli

FormworkLarge-area formwork Top 50

Form-facingDokaplex formwork sheet

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Mill Road Overbridge

For this bridge superstruc-ture, Doka planned and fabricated 4 sets of special mushroom-head formwork.

LocationIreland

ContractorsSisk Contractors

ArchitectsMurray O’Laoire

FormworkLarge-area formwork Top 50

Form-facingMaritime-pine sheets

Special featureDouble-curved mushroom head; pre-assembled by the Doka “Ready-to-Use” Service

The formwork boxes were made from profiled timber formers and faced with maritime-pine sheets. To en-

sure optimum concreting results, the form-facing was also sealed.

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Estakáda Sluncová

LocationCzech Republic

ContractorsSkanska DS

ArchitectsDoc. ing. arch. Patrik Kotas

FormworkLarge-area formwork Top 50

Form-facing3-SO formwork sheet

This two-track railway viaduct into the centre of Prague required a custom architectural solution. A project-specific Top 50 large-area formwork was used for the elliptical piers.

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Reference list

Residential construction

Detached family home, Lenzburg SwitzerlandDetached home in Petrisberg GermanyDetached home in Vienna AustriaHadersdorf model housing development AustriaHan Bit terraced housing SwitzerlandLagergasse building Austria

Building and industrial construction

Bank für Tirol und Vorarlberg AustriaBâtiment Administratif Axento LuxembourgBlumenstrasse Administration Building Germany“BMW Welt”, Munich GermanyBodega de Protos SpainBuilder’s yard, Bregenz AustriaBuilding for BTV bank & others, Telfs AustriaCasualty hospital, Linz Austria

This reference list contains a selection of the many fair-faced concrete projects that have been successfully completed using Doka systems.

Centre National de L’Audiovisuel (CNA) LuxembourgCheese cellar, Lingenau AustriaDog handling school, Allschwil SwitzerlandDomhotel, Linz AustriaE.ON administration building GermanyEuropark II AustriaGÉV Huniber Graphisoft HungaryInn Side Hotel GermanyInnsbruck main station AustriaIsar-Amper clinic, Taufkirchen GermanyJohanneum remedial pedagogy centre SwitzerlandLaguardia wine-cellar Spain“Landtag” (parliament) Building, Vaduz LiechtensteinLapidarium, Graz AustriaLycée Marie Curie de Versailles FranceMariatal Special School AustriaModezentrum Osthafen, Labels II GermanyMultipurpose building in Sotto il monte Giovanni XXIII Italy

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Office building in Hall-West AustriaParking deck at Biberach District Clinic GermanyPharmacy, Ebenthal AustriaRiver Elbe Harbour, Brunsbüttel GermanySchuhhaus Görtz footwear emporium GermanySmart Letter und Services Versand GmbH AustriaTorre de Control SpainUmdasch InfoCenter AustriaVision on State USAWista laboratory building Germany

Sporting facilities and cultural edifices

Bergen-Belsen Memorial GermanyChurch community centre for Christengemeinschaft in Bayern GermanyChurch, Rieselfeld GermanyEdifício Transparente PortugalFerry Porsche Congress Centre AustriaHajós Alfréd swimming pool HungaryLabuch observation tower AustriaLentos art museum, Linz AustriaLoisium wine gallery AustriaMarie Louise Lüders Haus (office building) GermanyMeditation grove, Schwarzl retreat centre AustriaMuseum am Mönchsberg AustriaMuseum Liaunig AustriaPhaeno Science Centre, Wolfsburg GermanyPinakothek der Moderne (art gallery) GermanyRed Rock National Conservation Area USASeebad Kaltern / Lido di Caldaro lakeside bathing centre ItalySölden Cemetery AustriaSports facility in Hard AustriaWasserhaus St. Arbogast Austria

Transportation infrastructure

Bridge BW1 over Stuttgart-Ulm railway GermanyCity Tunnel, Leipzig, Bayerischer Bahnhof station GermanyEstakáda Sluncová Czech RepublicHaselbachtal Bridge GermanyHungerburg Funicular, River Inn Bridge AustriaLeuketal Viaduct GermanyMill Road Overbridge IrelandNoise abatement wall on A4 GermanyNové spojení Praha Czech RepublicPA Turnpike over Susquehanna River USARetaining wall, Winkeln SwitzerlandSeidewitztal Bridge GermanySuburban railway at Taxham, nr. Salzburg AustriaViaduc de Verrières France

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Doka. Near to you, worldwide

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There are more than 150 sales and logistics locations around the world where you can obtain the full spectrum of Doka products and services.That means speedy and prompt availability of the quantities of formwork you need - whether for purchase or rental - coupled with first-rate consulting and problem-solving capability.

Thanks to the international networking of our locations, you can call upon our comprehensive formwork know-how any time, anywhere.

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