SBland - Carolinas RCC

7/24/2019 SBland - Carolinas RCC

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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

Documents

SBland - Carolinas RCC