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ROLLER COMPACTED CONCRETEROLLER COMPACTED CONCRETE
CASE STUDIES / PHOTOS
ROBERT SMITH INCROBERT SMITH INC
CHATTANOOGA, TN
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ADVANTAGES OF RCCADVANTAGES OF RCC
•CostMaterials, placement methods, speed and durability
•Speed of construction Higher strengths earlier then typical conventional concrete
•DurabilityLife cycle of conventional concrete > longer lasting then asphalt
•Sustainability Life cycle, heat island effect, lower lighting costs, emissions from
i lraw materials
ALL THESE ADVANTAGES ARE IMPORTANT TO RSI CLIENTS. ONE OR MORE OF THESE REASONS WILL SALE RCC OVER ASPHALTMORE OF THESE REASONS WILL SALE RCC OVER ASPHALT
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RCC PRICING VOLATITYRCC PRICING VOLATITY
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CASE STUDY NOTES JACK DANIELSCASE STUDY NOTES JACK DANIELS
17 000 S /Yd f d i / t t h ld t k t ffi i / t f 2 h•17,000 Sq/Yds of drives/pavement to hold truck traffic in/out of 2 warehouses. Delivery trucks weighed 30‐36k pounds
•Original design called for 5” of asphalt on stone base, but lower initial cost to do 5” f ll d ( ld RCC 5 6% l )of roller compacted concrete. (we were told RCC was5 ‐6% less)
(Life cycle really cost made RCC an even better alternative)
• ABG 7820 High density paver (16‐20 ft pulls) MAIN DRIVE 26 ft pull g y p ( p ) p
•2500 C/Yds placed in 6 days ‐‐ including rain delays in Sept 2011
•Concrete supplier: Irving Materials Inc (IMI)•Concrete supplier: Irving Materials Inc. (IMI)
•Cement supplier: Lafarge
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JACK DANIELSJACK DANIELS
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TYPICAL ROLLERS USEDTYPICAL ROLLERS USED
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JACK DANIELS (1) OF (2) WAREHOUSES
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JACK DANIELS WAREHOUSE (2) OF (2)
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CASE STUDY NOTES SHAW INDUSTRIESCASE STUDY NOTES SHAW INDUSTRIES
•COMBINED TOTAL OF OVER 150,000 Sq/Ft (throughout 4 plants)
•DIFFERNET LOCATIONS WERE DESIGNED DIFFERENTLYSPECS OF 5.5” / 6” AND 8” WERE USED
(Based on truck traffic, axles, weight, daily repetitions, etc)
• ABG 7820 High density paver (18‐24 ft pulls)
•6,000 TOTAL C/YDS PLACED
•Concrete supplier: Basic Ready Mix
•Cement supplier: Buzzi Unicem
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SHAW INDUSTRIES ‐‐ 8 INCH LIFT – 16 FOOT WIDE PULLS
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SHAW LOT AFTER INSTALL / PRIOR TO CURING & SAWING
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LAYOUT FOR SAW CUTTING CONTROL JOINTSRSI CUTS JOINTS TYPICALLY FROM 15‐20 FT
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SHAW RCC CORESPEC WAS CHANGED FROM 6” TO 5.5”
SAVED SHAW $20,000 (+)
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CASE STUDY NOTES DUPONT INDUSTRIES
•COMBINED TOTAL OF OVER 50,000 Sq/Ft (throughout 4 plants)
•DIFFERNET LOCATIONS WERE DESIGNED DIFFERENTLYSPEC OF SOIL STABILIZATION WITH 7” OF RCC USED
(RE‐ROUTED 90‐100 DELIVERIES DAILY)
(21” OF RAIN IN 5 WEEKS – SOIL STABILIZING ALLOWED US TO FINISH A WEEK EARLY)
•2,300 TOTAL C/YDS PLACED
•Concrete supplier: Sequatchie Concrete•Concrete supplier: Sequatchie Concrete
•Cement supplier: Buzzi Unicem
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DUPONT INDUSTRIESRECLAMATION / SOIL STABILIZATION / 6” RCC INSTALL
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SOIL STABILIZATION TYPICALLY 12” DEEP AT 5% OR 8” DEEP AT 6%
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RCC INSTALL AFTER SOIL STABILIZATION PROCESS
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DUPONT FINISHED ROAD WITH EXTRUDED CURB 4 WEEKS AFTER INSTALL
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RCC COMPARISONSRCC COMPARISONS
DUPONT RCC WITH 375/125CEMENT / FLY ASH RATIO
SHAW RCC WITH 350/150CEMENT / FLY ASH RATIOCEMENT / FLY ASH RATIO CEMENT / FLY ASH RATIO