STAAD v8i

PRODUCT DATA SHEET

STAAD.Pro® V8iThe World’s #1 Structural Analysis and Design Software

Advanced Analysis and Design

With an array of advanced analysis capabilities including linear static, response spectra, time history, cable, and pushover and non-linear analyses, STAAD.Pro V8i provides your engineering team with a scalable solution that will meet the demands of your project every time.

STAAD.Pro V8i will eliminate the countless man-hours required to properly load your structure by automating the forces caused by wind, earthquakes, snow, or vehicles. In addition, no matter what material you are using or what country you are designing your structure for, STAAD.Pro V8i can easily accommodate your design and loading requirements, including U.S., European (including the Eurocodes), Nordic, Indian, and Asian codes. Even special codes like AASHTO, ASCE 52, IBC, and the U.S. aluminum code can be catered to.

With an unparalleled quality-assurance program, open architecture for customization, and a 25-year track record – including such projects as the MCI Stadium in Washington DC, Wimbledon Court No1 in Europe, and the tallest transmission tower in Asia – STAAD.Pro V8i is the perfect workhorse for your design firm.

Extremely Flexible Modeling Environment

The power of STAAD.Pro V8i is in an interface that is based on the latest programming technology, which means that 80% of new users learn to use STAAD.Pro V8i efficiently in under two hours. Along with our tutorial movies, we include online help and dozens of examples to illustrate solutions to commonly raised modeling, analysis, and design issues.

Broad Spectra of Design CodesSteel, concrete, timber and aluminum design codes from all around the world including a number of historical codes means that you can take STAAD.Pro V8i to wherever your company works.

Interoperability and Open Architecture

STAAD.Pro V8i is more than an analysis and design tool. From simple importing of CAD models to custom links to third-party applications using OpenSTAAD, it can be the heart of your structural solution. When integrated with ProjectWise® V8i, your STAAD.Pro V8i models can be efficiently managed with the leading project collaboration system.

Quality Assurance

STAAD.Pro V8i is the only software that has gone through ISO 9001 certification and has passed the stringent software validation requirements of the nuclear industry (10CFR Part 50, 10CFR 21 and ASME NQA-1-2000).

STAAD.Pro V8i is a comprehensive and integrated finite element analysis and design offering, including a state-of-the-art user interface, visualization tools, and international design codes. It is capable of analyzing any structure exposed to static loading, a dynamic response, soil-structure interaction, wind, earthquake, and moving loads. STAAD.Pro V8i is the premier FEM analysis and design tool for any type of project including towers, culverts, plants, bridges, stadiums, and marine structures.

STAAD.Pro V8i has the power to analyze and design the most complex of structural models.

Clear Start Page and new structure wizard allows user configuration and easy access into the program.

Powerful range of graphical tools and visualisations designed around the structural engineering specific requirements.

STAAD.Pro V8i will eliminate the countless man-hours required to properly load your structure by automating the forces caused by wind, earthquakes, snow, or vehicles.

이지소프트컨설팅 www.sngsoft.com

© 2011 Bentley Systems, Incorporated. AutoPIPE, Bentley, the “B” Bentley logo, ProjectWise, RAM, STAAD, and STAAD.Pro are either registered or unregistered trademarks or service marks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subsidiaries. All other trademarks are the property of their respective owners. All other brands and product names are trademarks of their respective owners. BAA014850-1/0004 09/10

STAAD.Pro V8i At-A-GlanceUser Interface• Graphical tools. Models can be

created quickly and accurately using structural grids, tooltips to highlight data, frame generators and a structure wizard for standard structural frames

• Visualization. From simple wire frames for speed, accuracy and ease of use to fully rendered 3D models for clear mass distribution and presentation

• Editor. A color-coded tool to check and organize the data, label with comments and organize to model stage construction

• Meshing tools. Triangular or quadrilateral meshes created from zones within defined models or imported from DXF files

• Load generators. Seismic UBC, IBC, ASME wind and snow, bridge loading BEAVA

• Customizable interface with VBA tools. Create windows and tables to your own specifications. SQL query builder

Objects• Beams. Standard linear, curved

and physical beams, compression/tension only, with databases of sections from around the world

• Plates. 3 or 4-noded 2D plates and surface objects with holes

• Solid. Solid 3D bricks from 4 to 8-noded

• Supports. Foundation and Multi-linear springs

• Loads. Full range of loads for static and dynamic analysis which can be defined explicitly or calculated using the wide range of load generators

Analysis• Elastic. Traditional first-order including

iterative one-way analysis

• P-Delta. Both large and small P-Delta including stress-stiffening effects

• Cable. Account for the changing stiffness of cables due to loading

• Imperfection. Account for imperfections in structural geometry

• Dynamic. Modal analysis including stress-stiffening eigensolution and steady-state options, Time History and Response Spectrums

• Buckling. Identify the eigen buckling factor

• Basic and Advanced Solvers. The standard solver, the staple of STAAD® for over 20 years is now complemented by an advanced solver that can be up to 1000 times faster!

• Pushover. A solution to the requirements outlined in FEMA 356:2000

• Code Checking and Design• Steel, 37 codes from around the world.• Concrete, 25 codes batch processed

or within the interactive RC design modes

• Timber, 4 design codes supported.• Aluminum design• Shear wall designs for US, Indian

and British codes

Post Processing• Pages. The STAAD.Pro V8i

interface is configured to suit the model to ease access to the required data

• Interactive graphics. Linked tables and windows to get direct feedback from one item in related windows

• Output file. Simple clear information to verify the analysis

• User Report. Create high-quality documents

• Contoured stress plots. Using automatic or user-configured scales, colors and limits

• Animations. View displacements, stress contours or mode shapes dynamically

Interoperability• Structural Modeler V8i. Two-way

link to support creating models with design and construction documents

• Bentley® REBAR V8i. Reinforced concrete designs passed into Bentley REBAR for complete scheduling and detailing

• RAM™ Concept V8i. Floor slabs can be identified and linked to RAM Concept for full RC and PT design and detailing in a state-of-the-art application

• RAM™ Connection V8i. Joints defined in the model with the forces calculated from the analysis can be passed into the leading connection design application

• AutoPipe® V8i. Pass the STAAD.Pro V8i structural steel frame into AutoPipe V8i to correctly account for the pipe support stiffnesses and import the pipe engineers support reactions back into the model for an accurate design in a fraction of the time of traditional methods

• STAAD.foundation V8i. Import the STAAD.Pro V8i support reactions and positions directly to design the structure foundations

• OpenSTAAD. A complete set of functions that make OpenSTAAD an API from which data an be extracted directly into applications such as Microsoft Word or Excel or your own application. You can even drive STAAD.Pro V8i creating models, run the analysis and view the result with your own interface

• CAD, DXF. Use CAD models as the base wire frame, structural grid or outline of a complex deck that needs to be meshed

• CIS/2. Exchange data with other steel design packages

• Section Wizard. Calculate properties of built-up sections, drawn freehand, parametrically defined, or imported from a CAD drawing

Find out about Bentley at: www.bentley.comContact Bentley1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000

Bentley Systems India Pvt. Ltd.203, Okhla Industrial Estate Phase-III, 2nd Floor New Delhi-110 020 India T +91 11 41614122

Global Office Listingswww.bentley.com/contact

System RequirementsProcessor: Intel Pentium or AMD Athlon

Operating System: Windows 7, Vista, XP, and 2000

RAM: 128mb minimum

Hard Disk:200mb free disk space

Display: Graphics Card supporting DirectX 9.0 Some of the features described in this document require additional licenses to be activated. Please check with your Bentley sales team to ensure you include those that you require to your license pool.

STAAD.Pro in Action Pipe work designed in AutoPipe V8i can be imported and graphically linked to the structure to import the loading.


PRODUCT DATA SHEET

Structural Modeler V8iComprehensive Building Information Modeling (BIM) for Structural Engineering Design, Analysis, and Documentation

With an intuitive user interface, extensive libraries of structural components, and powerful tools for modeling, drafting, and reporting, Structural Modeler V8i supports all phases of the structural workflow, from the design and modeling of structural systems to structural analysis and construction documentation. Integrating design, visualization, drawing production, and reporting, Structural Modeler V8i is part of Bentley’s BIM portfolio of integrated design, engineering, and management applications for the entire lifecycle of constructed assets. Used on large and complex projects around the world, Structural Modeler V8i was specifically developed to support workgroups and distributed teams in a managed environment, allowing architects, engineers, and contractors to work as a well coordinated inter-disciplinary team.

BIM enables business-critical benefits over traditional computer-aided drafting (CAD), eliminates waste, significantly reduces errors and omissions, provides greater predictability of costs and performance,allows exploration of more design options, and ultimately results in better buildings.

Structural Design and Information ModelingA comprehensive range of dedicated tools support the design and modeling of structures in steel, concrete, and timber. Parametric components, such as walls, foundations, columns, beams, trusses, slabs, and bracings, allow dimension-driven creation and modification. Intersecting members are automatically coped or cut back from supporting members, and if necessary, rotated to the slope angle of their supports.

Choice of 2D, 3D, or BothThe building information model can be created and mani- pulated in a traditional 2D plan, an advanced 3D model environ-ment , or both – using the same tools and interface for either.

Integration with Analysis and DetailingSimultaneously with the physical members, an analytical model is created, to which boundary conditions, member releases, and various load combinations can be added. This finite element information integrates directly with leading structural analysis applications. Integration with steel detailing and concrete reinforcement software is supported via industry-standard exchange formats.

Rule-Based Drawing ProductionPlans, framing layouts, sections, and elevations comply with user-definable drawing standards and rules for resymbolization and annotation. Options are provided for single- or double-line representation, removal or display of hidden lines, and extensive labeling and annotation of structural members. Coordination and consistency is thereby assured across all documentation.

Integrated Schedules and ReportingUser-definable properties associated with structural members can be used to query the structural information model, to make selective or global changes to the geometry and nongraphical information, and to generate accurate component schedules that include lengths, volumes, weights, centers of mass, and more. Changes in Microsoft Excel spreadsheets, affecting attributes such as steel section size and height of single or multiple structural components, update both physical and analytical models.

A Managed EnvironmentStructural Modeler V8i can be integrated with ProjectWise, Bentley’s project team collaboration server that manages access to project information across a LAN, WAN, VPN, or via the Internet, it and publishes and synchronizes shared information, manages change, protects intellectual

Structural Modeler V8i is a focused application for structural engineers, designers, and structural BIM practitioners. It offers simultaneous physical and analytical modeling for design, analysis, coordination, documentation, reporting, and visualization. In addition to these key features, Structural Modeler V8i provides the advantage of a bidirectional integration with leading analysis software. The end result is an engineering software application that provides significant opportunities to increase accuracy and efficiency while reducing time schedule and cost in complex multidisciplinary projects.

Ithaca College Athletics and Events Center(Courtesy Korda/Nemeth Engineering Inc)

Detailed construction documentation

Member schedules including volume and weight calculations


© 2010 Bentley Systems, Incorporated. Bentley, the “B” Bentley logo, Microstation, ProjectWise, STAAD, and RAM are either registered or unregistered trademarks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subisdiaries. Other brands and product names are trademarks of their respective owners. DAA022970-1/0006 06/10

Integration with finite element applications Multidiscipline BIMTeddington School, London(Courtesy Building Design Partnership Ltd)

Structural Modeler V8i At-A-GlanceBuilding Information Modeling (BIM)• Structural design and construction

documentation for structures in steel, concrete, and timber

• Integrated analytical model with finite elements, nodes, boundary conditions and member releases, loads and load combinations

Parametric and Feature-Based Structural Design• Dimension-driven creation and

modification of structural components• Automatic user-definable cutbacks

and coping of intersecting members• Support for many metric and

imperial steel section tables (American, British, Asia-Pacific, European, Canadian, and more)

Coordinated Construction Documentation• Plans, framing layouts, sections, and

elevations created with extraction rules for resymbolization and member annotation

• Material-dependent hatching and patterning of cross sections

• Quantity takeoffs, member schedules, volume and weight analyses, and other reports

• Compatibility with office automation tools for further processing and formatting

International and Custom Standards Support • Support of DGN, DWG, DXF, PDF,

STEP, IGES, IFC, ISM, and other major industry standards

• Create, manage, verify, and enforce company and project standards

• Support for U.S. and other national CAD standards

Integration with Analysis and Detailing• Import/export tools for

interoperability with dedicated industry standards, such as CIS/2 and SDNF for structural design to fabrication.

• Interoperability between Bentley’s STAAD.Pro V8i, RAM Structural System V8i, and Structural Modeler V8i engineering applications for efficient and accurate structural design, analysis, drawing production, quantification and project team coordination

• Interoperability with other structural analysis applications, such as MIDAS/GENw, Oasys (Arup) GSA and SFRAME

• Many typically required drawings are automatically generated from RAM Structural System V8i for plans, elevations and steel column schedules

Integration with Managed Environment• Fully supported in

Bentley ProjectWise, Bentley’s comprehensive collaboration server

Visual Basic for Applications • Wizards to create steel trusses,

bar joists, handrails, columns with corbels, haunches, platforms, and other structural components

• Users are able to develop custom wizards and applications

Interoperability with Building Design, Engineering and Analysis • Shared multidisciplinary

model for team collaboration and coordination

• Integrated with Bentley Architecture V8i, Bentley Building Mechanical Systems V8i, Bentley Building Electrical Systems V8i, and more

• Review and manage interferences across multiple files and disciplines in conjunction with ProjectWise Clash Resolution Visa

• Simulated construction schedules in conjunction with Navigator V8i and project management applications, such as Microsoft Project or Primavera P3

Flexibility through Integrated Structural Modeling• Facilitated by Bentley’s

newly introduced i-model (a container for open infrastructure information exchange), Integrated Structural Modeling maximizes the interoperability of structural information between different specialized applications, CAD and BIM platforms, and design reviews of a project’s structural information

• Integrates with Revit Structure and Architectural models workflows (Revit 2009, Revit 2010, Revit 2011, 32-bit, and 64-bit versions)

Find out about Bentley at:www.bentley.com

Contact Bentley1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000


System RequirementsSoftware: MicroStation® V8i v8.11 or higher

Processor: Intel® or AMD® processor 2.0 GHz or greater

Operating System: Windows 7 [for MicroStation V8i SELECTseries 1]

Windows 7 (64-bit) [for MicroStation V8i SELECTseries 1]

Windows Vista (including Home Premium, Business, and Ultimate editions)

Windows Vista (64-bit)

Windows XP (including Home, Professional, and Media Center editions), SP2 or later

Windows XP Tablet PC Edition

Windows XP Professional (64-bit)

Memory: 512MB minimum, 2GB recommended. More memory almost always improves performance, particularly when working with larger models.

Hard Disk: 900 MB free disk space (which includes the 400 MB install footprint for a complete installation)

Video: Graphics card supported by DirectX 9.0c


3/20/12 Bridge Engineering Automated Vehicle Application | STAAD.beava

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STAAD.beava in action:

World's #1 3D Structural Analysis & Design Engineering Software

STAAD.beava

STAAD.beava, the bridge engineering automated vehicle application, is anintegrated offering inside the STAAD.Pro environment. STAAD.beava uses 3Dinfluence surfaces, which are generated by STAAD.Pro as part of the loadingprocess. STAAD.beava will automatically generate influence surfaces for effectssuch as bending moments on members, support reactions, element stresses andnodal deflections.

Prior to STAAD.beava, the process of load application for a bridge deck wascomplex since governing rules can impose inter-dependant parameters such asloaded length on a lane, lane factors and load intensity. To obtain the maximumdesign effects, engineers had to try many loading situations on a trial and errorbasis.

STAAD.beava helps to reduce the frustration from the trial and error process andthen proceeds to follow the selected design code and calculate the number of trafficlanes, influence lines along the centerline of the traffic lanes, loaded length alongthe lanes, critical locations of all knife, UDL and vehicular loads, and the maximumand associate effect values. All results are displayed graphically including the criticalposition of the vehicle along the traffic lanes.

All relevant code instructions for loading definitions and traffic lane calculations areincorporated in STAAD.beava, and in cases where vehicle axle arrangements arenot standard, it is possible to define a vehicle and save it in the library for futureanalyses.

Features:

Generation of critical patterns of vehicular loads producing extreme effectsin structural components.3-D influence surface diagrams for design optimization and quick resultsverification.Full integration with STAAD.Pro. STAAD.beava generated loads can beeasily merged with any other live or dead loads defined in the model,where each loading pattern represents a STAAD.Pro load case.Support for AASHTO 2000 (ASD, LFD and LRFD), UK BS5400 Part II, andIRC:2000 Bridge Design Specifications with all relevant code provisions forloading definitions and traffic lane calculations incorporated.Roadway definition can be completed in a few easy steps. Flexible userinterface allows creation of straight, curved or custom-defined roadways onflat and super-elevated decks of any shape.Traffic lanes are automatically created. Alternatively, fully customizablelanes may be specified by the user.Vehicle database includes pre-defined loadings (H, HS, and HL

designations). User-defined loadings may be added to the database asneeded.Load application algorithms include transverse movement of loads, jack-knifing of trucks within curved lanes, turning off axles not contributing toextreme effects.Program calculates the following:

number of traffic lanes,width and length of traffic lanes,positions of truck or tandem wheels within lanes,size and locations of uniformly distributed loads,locations of concentrated loads,values of responses for critical loading conditions.

Output in any unit system.Powerful, intuitive graphical user interface. Loading patterns can be showngraphically on the model.All results are easily accessible through an integrated load browser. Acomplete text output is also available.

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PRODUCT DATA SHEET

STAAD Foundation Advanced V8iComprehensive Foundation Design

Improves AccuracyThe software integrates all common footing designs including isolated footings, combined footings, pile-cap arrangement and design, octagonal footings, mat foundations, drilled pier foundations, and guyed tower foundations.

Plant foundation mode contains vertical vessel, horizontal vessel foundations with different shapes, and configurations along with annular ring tank foundation and laterally loaded drilled pier analysis. These accurate design capabilities are powered with wizard based input, automatic load (wind and seismic) generation and configurable load combination tools. A wizard-based foundation solution mode called “Foundation Toolkit” is available for spread footing, combined footing, pile cap, drilled pier axial analysis, and guyed tower foundations.

Optimizes Foundation DesignCurrently, STAAD Foundation Advanced V8i supports seven concrete codes: ACI-2005, BS 8110, IS-456-2000, AS 3600-2004, CSA 23.3-04, GB50007-2002 and EN 1992-1-1-2004. Load generation tools include wind and seismic load as well as automatic and user-defined load combinations generation. PIP STC 01015 code is implemented for equipment foundation load generation. The program performs all necessary design checks for most optimized foundation design. Alternatively, it provides tools to check existing foundations. Its powerful 3D graphics enable engineers to quickly identify and investigate displaced shapes, stress contour, soil pressure, and reinforcement layout.

Increases ProductivitySTAAD Foundation Advanced V8i is seamlessly integrated with STAAD.Pro V8i (a leading product in structural analysis and design). Any analyzed STAAD.Pro file can be imported into or exported to STAAD Foundation Advanced V8i, while automatically bringing in all column positions (and/or plates),

attached column dimensional properties, support reactions, and loads. Any changes made to the column positions or loads can be re-imported to further evaluate the substructure. STAAD Foundation Advanced V8i can import and export input data from spreadsheets and can export detailed output.

Finite Element Analysis (FEM) for Accurate and Economical DesignsNo matter how complex the foundation is, STAAD Foundation Advanced V8i can design it with its object- based modeling environment via the mat foundation module. Whether it is rectangular, complex polygonal, circular or includes openings, STAAD Foundation Advanced V8i tools can model, analyze, design and produce drawings. The sophisticated mesh generation automatically handles holes (cut-outs) as well as inner regions with different thicknesses or soil property. Physical loading objects can be as diversified as circular load, quadrilateral load, line load, and point load on space.

STAAD Foundation Advanced V8i takes full advantage of 3D FEM analysis and employs an innovative technique to optimize reinforcement requirements. The program automatically detects uplift and redistributes the force.

Reduces Redesign TimeSTAAD Foundation Advanced V8i generates detailed drawings that include plan, elevation and sectional views with rebar marks. Schedule drawing gives a summary table for design results. GA (general arrangement) drawing includes all the footings designed in the project to scale with grid lines and grid marks that help to identify interference. Drawings can be exported to DXF or DWG formats to produce site drawings. The most popular feature is Calculation Sheet, which shows detailed output with relevant code clauses and equations.

STAAD Foundation Advanced V8i is the one-stop solution for foundation analysis and design addressing the building, plant and tower industries by combining myriad foundations ranging from common foundations like isolated, combined, pile cap, and mat to specialized plant foundations like vessel foundations or annular ring tank foundations to state-of-the-art lateral analysis of drilled piers.

An example of drilled pier lateral analysis and automatic generation of p-y curves.

Wizard-based vertical vessel foundation design in STAAD Foundation.

An illustration showing mat foundation moment contour on deflected shape.


© 2012 Bentley Systems, Incorporated. Bentley, the “B” Bentley logo, STAAD and STAAD.Pro are either registered or unregistered trademarks or service marks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subsidiaries. All other trademarks are the property of their respective owners. BAA019210-1/0001 01/12

STAAD Foundation Advanced V8i At-A-GlanceGeneral Footings• Intuitive user-friendly graphical user

interface; the workflow is categorized and arranged to flow from top to bottom

• Complete foundation project environment that includes isolated, combined, strap, pile cap, octagonal footing, and mat foundations; it connects all the modules through a global layer

• Tabbed view, navigator tree Ribbon control and custom skin style

• Spreadsheet integration with detailed output

• Physical mat foundation modeling environment that saves time and reduces errors by considering holes, control regions, physical beam and column lines; provides an option for both triangular and quadrilateral plates

• Physical loading—like point load on space, quadrilateral load, circular load, or line load that allows user to simulate any physical loading like tank and wall loading

• Seamlessly integrates with STAAD.Pro V8i to import/export loadings, reactions, column positions; users can import any set of analyzed plates to design; tracks changes made in STAAD.Pro V8i model and can merge the changes with STAAD Foundation V8i file

• Powerful OpenGL-based graph-ics that help visualize output like displacements, stress on displaced shape, combined beam stress, and entities like plates and beams in 3D for a realistic rendered view

• Automatic pile arrangement

Output• DXF export of Detailed and

GA drawing • Detailed structural drawing

with customizable drawing options and labels

• Base pressure and plate stress color contours

• Step-by-step detailed calculation sheet with code clauses and equations to verify output

• GA drawing with grid marks to help identify interferences

• Foundation grouping for production drawing and sample calculation

• Printable bending moment and shear force graphs for combined footing

• Printable capacity graphs and analysis diagrams for laterally loaded drilled pier

Analysis and Design• Support for both flexible and

rigid methods. Optimize footing dimensions

• Sophisticated FEM analysis format foundation powered by reliable STAAD analysis engine

• Support for unlimited number of load cases and load combinations

• User-defined reinforcing zones and blocks for optimal reinforcement distribution

• Slab design along any cut line to simulate manual mat design technique

• Pedestal design• Proper handling of biaxial

moment for all footing types using finite difference approach

Design Codes• United States - ACI 318-2005• United Kingdom - BS 8110• India - IS 456-2000• Australia - AS 3600-2004• Canada - CSA A 23.3-04• Chinese - GB50007-2002• Euro - EN 1992-1-1-2004

Features Specific for Plant Foundations• Specific modules for the plant

industry such as vertical vessel foundation, heat exchanger foundation, annular ring tank foundation and laterally loaded drilled pier analysis

• Generates load combination automatically based on several country codes like ASCE-7 and PIP STC 01015

• Generates wind load and zip-code-based seismic load automatically based on ASCE 7, IS 875, IS1893

• Creates different configurations of vessel foundations

Foundation Toolkit Features• Time-saving wizard-based input

for isolated footings, combined footings, pile cap arrangement and design

• Drilled axial pier module supporting API and FHWA 1999 and alternative Vesic method

• Guyed tower foundation module based on ACI 318

Find out about Bentley at: www.bentley.comContact Bentley1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000


System RequirementsProcessor: Intel Pentium or AMD Athlon

Operating System:Windows 7, Vista, XP, and 2000

RAM:500MB recommended

Hard Disk:300MB free disk space (2GB recommended)

Display:OpenGL 3D graphics supported

Resolution: 1280x1024

Calculation sheet for annular ring tank foundation.Calculation sheet for annular ring tank foundation. Octagonal footing detailed drawing.Octagonal footing detailed drawing.


3/20/12 Features of STAAD.Offshore Software by Bentley

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Automatic Wave Load Generation and Design for Offshore andFloating Structures

Features

STAAD.Offshore currently offers these features:

State-of-the-art graphical environment that uses well established standardMicrosoft Windows functionality and familiar layouts, enhanced with clearmodes and pages to simplify the engineering workflow.Concurrent engineering-based user environment for model development,analysis, design, visualization, and verification.Full range of offshore load generation capability including wave andtransport load generation, which can be used in STAAD.Pro for analysis,including static, P-delta, pushover, response spectrum, time history, cable(linear and non-linear), buckling and steel and concrete design.Object-oriented intuitive 2D/3D graphical model generation.The wave forces on every member in the STAAD.Pro model can becalculated for a jacket structure for a wave approaching at any userspecified angle.The transport load module calculates the inertia forces due to motionaccelerations, consisting of any combination of the 3-translational and 3-rotational degrees of freedom. Each degree of freedom has an associatedphase angle relative to the center of rotation, which defines the wave crestposition for the associated maximum amplitude.The wave forces are calculated from Morison’s equation using eitherstream functions, Stokes 5th Order, or Airy linear theory to compute theparticle velocities and accelerations, or a user defined grid of velocitiesand accelerations.

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3/20/12 Features of STAAD.Tower Software by Bentley

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Structural Modeling, Analysis, and Design for CommunicationTowers

Features

STAAD.Tower currently offers these features:

Wizard driven parametric physical model generation creates square andtriangular self-supporting and guyed towers, and monopoles. Thisfeature enhances productivity through faster model generation wizardsand saves time on overall parametric editing of the physical model.An built in library of standard bracing patterns with facilities to create user-defined ones povides smooth automatic generation of analytical structuresfor any user defined physical model and increases productivity by providinga library of reusable bracing patterns.Extensive parametric editing facilities to incorporate changes in a tower’soverall shape and slope, panel dimensions, and panel faceconfigurations increases productivity by providing continuous changemanagement.Intuitive physical member creation with appropriate orientation saves timeon overall member creation.Easy to use drag and drop features for inserting components from a builtin database like dish antennas, appurtenances, and platforms withfacilities to adjust mounting pattern, location, tilt, and azimuthangles enhances overall profitability by letting you use and maintaincomponent catalogs.Automatic generation of wind, ice, and seismic load cases for towerstructures and external attachments as per TIA-222-F and TIA-222-Gstandards saves time and allows investigation of “what–if” scenarios.Linear static analysis and second-order analysis saves time and allowsinvestigation of “what–if” scenarios.Post-processing features including joint displacements, member forces,stresses, support reactions, leg compression, deflection, tilt, and twistresults in terms of diagrams and tables enable you to have detailed insightof the analysis results and help to plot multiple post-processing diagramsfor a selective set of physical members for complex structures.Design of physical members as per TIA-222-F and TIA-222-Gstandards reduces errors due to complex calculations.A customizable, user-friendly, exhaustive report generation facility to createall exhaustive, complete reports straight from the software avoids manualreport compilation activities and establishes dynamic update links andsaves time in regenerating the desired report.Bi-directional interoperability with other STAAD products avoids duplicationof efforts in case you need to transfer the model to other products. Thissaves time in generating a composite structure that involves bothSTAAD.FEM and STAAD.Tower.

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3/20/12 STAAD.Offshore: Pre- and Post Processor Modules for STAAD.Pro

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Automatic Wave Load Generation and Design for Offshore andFloating Structures

Overview

STAAD.Offshore is comprised of two primary modules: wave load and transport.

Wave Load Module

The wave load module calculates wave loads on structures using either streamfunction, Stokes 5th Order theory, AIRY theory, or a user defined grid wave. Theprogram generates STAAD.Pro loading data for the stiffness analysis. The waveload module computes the wave loading intensities due to wave and/or currenteffects along the submerged portion of the structural members and appurtenancesbelow the wave surface profile, relative to the local X, Y, Z and global X, Y, Z axes.The wave loadings are summed at the joints for each member using simple beamtheory from which the total structure base shear and overturning moments arecalculated.

The wave can be stepped through the structure in any specified direction over arange subdivided into equal internals using either phase angles or length units. Theinterval is specified by giving the start and finish positions of the wave crest relativeto the structure mud line axis and a step interval.

The wave force co-efficients, drag, and added mass, can be specified independentlyfor each member or using member range. The coefficients are relative to themember local co-ordinate system.

Marine growth and current velocity profiles are specified relative to the mean waterlevel and are described as a discrete set of data points. The magnitude of thecurrent at other elevations is determined by direct interpolation or extrapolation of thedata. Alternatively, current flow continuity can be selected. The marine growth is onlyapplied to the members within the profile range that is specified.

The program computes the wave surface profile, wave celerity and wave length. Thewave loading intensity along the members is assumed to be linear varying over asegment length. The accuracy is controlled by the user by specifying the appropriatenumber of segments along the members or by using the auto-segmentation option.

The program generates STAAD.Pro loading data comprising of equivalent simplebeam joint loads for buoyancy, wave loading intensities on structural members, andjoint loads for wave loading on appurtenances. The structures deadweight can begenerated by STAAD.Pro. Other output files include the structure base forcesummaries. There is an option in the program to neglect the overturning momentsat the base that are caused by the vertical forces. This allows the vertical wave forceeffects to be quantified. The wave forces are calculated from Morison’s equationusing either stream functions, Stokes 5th Order, or Airy linear theory, to compute theparticle velocities and accelerations, or a user defined grid of velocities andaccelerations.

Transport module

The transport module can calculate the inertia forces due to motion accelerations,consisting of any combination of the 3-translational and 3-rotational degrees offreedom. The inertia loads can either be lumped at the nodes, or distributed alongthe members. The program generates a complete STAAD.Pro input file consisting ofbasic load cases for the inertia loadings on the structure, together with theSTAAD.Pro commands necessary to perform analysis, output displacements,reactions, and member end forces.

Motion loads can be generated in all six degrees of freedom (DOF), and combined,to form basic STAAD.Pro load cases. The DOF motions in a load case can be addedor subtracted by specifying a directional load factor, such as -1.2, 1.0 and so on;a factor greater than 1.0 would signify a correction factor being applied to thegenerated load. If gravity tilt loads are to be generated then the global Y axis must beset vertically upwards. Also, in respect to vessel motions, a suitable axis conventionwould be to set the global Y axis vertical with the global X axis in the direction of thevessel longitudinal axis.

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3/20/12 STAAD.Offshore: Pre- and Post Processor Modules for STAAD.Pro

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vessel longitudinal axis.

This convention gives the following correspondence between each DOF in terms ofship motions. Thus, for example, using directional load factors it is possible to formload cases comprising of heave + roll, or heave - roll and heave + pitch, or heave -pitch, to determine the maximum member forces at all positions within a structure.




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