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City Council March 22 -  50th Street & Grape Creek Road Construction
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City Council March 22 - 50th Street & Grape Creek Road Construction

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  • 1. City Council
    March 22, 2011
  • 2. Roller Compacted Concrete
    What is Roller Compacted Concrete (RCC)
    Where has RCC been used
    RCC Construction Process
    50th Street & Grape Creek Bid Tab
    Street Life Cycle
  • 3. Roller Compacted Concrete
    RCC Pavement
    No Slump
    Consistency of damp gravel
    No forms
    No reinforcing steel
    No finishing
    Placed with asphalt pavers
    Compacted with vibratory rollers
    Normal cement hydration
    Low W/C ratio = limited shrinkage cracks
    Reynoldsburg, OH
  • 4. RCC Construction Projects
    Street Projects
    Collector & Residential
    Several in S. Carolina
    100+ in Columbus, OH
    S. Carolina DOT – 8 Projects
    Interstate Projects
    I-285 Atlanta, GA
    I-385 Greenville, SC
    Aiken, SC
  • 5. RCC Construction Projects
    S. Carolina DOT US Hwy 2009
    10” RCC reconstruction
    6000 ADT, 4 lanes
    45 mph
    Replaced 1 mile in 15 days
    Re-opened in 24 hours
  • 6. RCC Construction Projects
    Ohio State University 2002
    • 8” RCC reconstruction
    • 7. 150 buses/day
    • 8. Reconstructed in 1 weekend
    • 9. RCC selected for fast
    construction process to
    complete by 1st football game
  • 10. RCC Construction Process
    Central Mix
    • Mid size applications
    • 11. 200 to 300 tons/hr
    • 12. Available at some locations
    • 13. Fixed locations
    • 14. Capacity reduced due to low water content of mixture
  • RCC Construction Process
    Continuous Flow Pugmill
    • High-volume applications
    • 15. Excellent mixing efficiency for dry materials
    • 16. 250 to 900+ tons/hr
    • 17. Mobile, erected on site
    • 18. Mobilization costs
  • RCC Construction Process
    Asphalt Paver Placement
    • High density
    • 19. High initial density (85% to 95%)
    • 20. Smooth surface depends on initial density
    • 21. High-production (1900 LF/day)
    • 22. Max lift thick – 8 to 10 in.
    Lane Ave – Columbus, OH
  • 23. RCC Construction Process
    Asphalt Paver Placement
    • Proper compaction is critical for strength and durability
    • 24. Compact to 98% of modified proctor
    • 25. 10 to 12 Ton vibratory roller
    • 26. Eliminate long. cold joints through compaction process
    Reynoldsburg, OH
  • 27. RCC Construction Process
    RCC
    Asphalt
    Conventional Concrete
    RCC
    Diamond Ground Conventional Concrete
    Diamond Ground RCC
  • 28. 75 Year Useful Life Maintenance Cost
    Asphalt RCC
    Sealcoat $939,680.28 $0.00
    (Every 8yrs)
    Mill & Overlay $6,556,466.24 $0.00
    (Every 24yrs)
    Overlay $0.00 $1,416,103.69
    (RCC at 60yrs)
    Maintenance Cost $7,496,146.52 $1,416,103.69
    (75yrs)
  • 29. Asphalt Street Life Cycle
  • 30. 50th & Grape Creek Bid Tab
    Price Construction Reece Albert
    50th $2,267,261.73 $2,353,428.01
    Grape Ck “A” $1,431,937.80 $1,174,202.99
    Grape Ck “B” $1,352,668.32 $1,193,184.85
    “A”= Asphalt “B”= Roller Compacted Concrete
    50th & “A” $3,699,199.53 $3,527,631.00
    50th & “B” $3,619,930.05 $3,546,612.86
    Difference $79,269.48 $18,981.86
  • 31. Roller Compacted Concrete
    Questions

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