Post on 23-Feb-2018
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Tennessee Concrete Pavement and Cement
Based Solutions Conferenceased Solutions Conference
Nashville TN February 1 2013
Design and Construction
Stan Bland, PE
Portland Cement Association, Southeast Region
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Definition
- -
that is compacted by vibratory rollers.
Zero slump (consistency of dense graded aggregate)
No forms
No finishing
Concrete pavement placed in a different way!
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Un-compacted RCC
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S f Aurface Appearance
conventionalconcrete
Important to
recognize difference
Similar appearance
to asphalt only light
grey instead of black
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Surface Texture
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Engineering Properties
ompress ve s ren c
4,000 to 10,000 psi
Flexural strength (MR)
500 to 1 000 si
MR = C(fc)1/2 where C = 9 (up to 11)
o u us o e as c y
3,000,000 to 5,500,000 psi
E = CE(fc)1/2 where CE = 57,000 (up to
67,000)
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A lications
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Saluda Dam - Columbia, South Carolina
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D C R iam Crest Raise
Alabama Power - Rattlesnake Hollow
Crest of Exist ing earthen dam raised by 30 feet.RCC used to provide vertical face due to width restraints.
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Log Sort Yards
Vancouver Island, BC, 1978
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Military Facilities
Ft. Carsons, CO, 2008
Ft. Lewis, WA ,1986
Ft. Drum, NY, 1990
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Intermodal Facilities
Burlington Northern, Denver, CO
, ,
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CN Intermodal Yard, Calgary
RCC decreased
ruc wa me rom
8 to 2 hours
Unsurfaced aggregateis difficult to maneuver
hazard
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Distribution Centers
18 acre distribution
center in Austin, TX
10 years after construction
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GM Saturn Plant
Spring Hill, Tennessee
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Honda Plant
Lincoln, Alabama
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M d B Plercedes-Benz Plant
Vance, Alabama
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Streets Interchanges
Calgary, AB
Residential street
Columbus, OH
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Columbus, Ohio Area
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Hi h Sh ldighway Shoulders
I-285 Highway
Atlanta GA
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Construction
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Mixing Plants
Generally three types of
1. Dry Batch Plant2. Rotary Drum Mixing Plant
3. Continuous Flow Pugmill
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Mixing Plants
Rotary Drum Plant Available at some locations.
Mobilization issues.
Capacity reduced due to low water
content of mixture.
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Continuous Mix Pug Mill
High-volumeapplications
xce ent m x ng
efficiency for dry
materials
250 to 900+ tons/hr
Mobile, erected on site
Mobilization costs
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Transporting
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RCC Pavement Placement
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Placing
Layer Thickness
4 in. Minimum Thickness.
. .
Timing Sequence
Multiple lifts placed within 60 minutes for fresh joint
Production should match paver capacity
Continuous forward motion for best smoothness
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Roller Compaction
(rubber-coated drum)
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Compaction-Final Density
Final density is critical for
strength and durability
ompacte to o e
Proctor
Combination Roller
Rubber coated steel drum
roller
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Compaction Very Important
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Bituminous Curing Compound
Excellent moisture barrier
Common compounds:SS-1, RC-250, MC-250
Moisten surface
. .
Good for asphalt cap
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Quality Control
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OPENING TO TRAFFIC
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SCDOT Specifications
Traffic:
Protect the RCC from vehicular traffic during the
curing period. Completed portions of the RCCpavement may be opened to automotive and light
truck traffic as soon as the strength is sufficient to
preven amage o e . e pavemen may
be opened to unrestricted traffic after 4 days.
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Why are we using it?
(Andy Johnson SCDOT State Pavement Engineer)Andy Johnson SCDOT State Pavement Engineer)
Most or all of pavement structure can be placed in.
Does not require the curing time or adjacent lane
encroachment of traditional PCC.
Can handle heavy loads and high traffic volumes.
,
if you can get it installed.
Overall structure cost is very competitive with otherpavement types.
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RCC Projects in South Carolina
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SC Projects
, .
SC 5, York County
US 78 Charleston Count
New State Road, Lexington County
Greystone Boulevard, Richland County
S. Beltline Boulevard, Richland County
Richland Street (US78), Aiken County
SC 9, Horry County
S-11-171, Cherokee County
- ou ers, aurens oun y
I-385 Shoulders, Greenville County
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Projects in SC
Rt 21 Alb i ht R d R k Hill SCt 21 Albright Road Rock Hill SC
Rt 72 By Pass Chester SC
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Rt 72 Bypass Chester SC
ons ruc e n ep em er
Milled 10 inches off of asphalt pavement
Placed 8 inch RCC
ver ay w t nc es sp a t oncrete
Surface Course
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Powell Pond Road
(S-2-2304) Aiken County SCS-2-2304), Aiken County, SC
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c an venue , en,c an venue , en,
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The Morgan Co
Greenville Co. SC
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Morgan Co
Greenville Co. SC
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II--385 RCC Shoulder385 RCC Shoulder
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Benefits of RCC Pavements
Economical (both initial and life-cycle costs)
Eliminates rutting
Excellent overall durability
Sim le fast construction
No forms or finishing
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R ll C t d C toller Compacted Concrete
Questions ???uestions ???
D A t I d t Pl tams
Intermodal Facilities
Auto Industry Plants
Streets and Local Rds
Military Bases
Port Terminals
State Highway System
Nuclear Power Plantsort Terminals
Interstate Shoulders
Nuclear Power Plants
Logging Yards