Roller Compacted Pavement

1
Roller Compacted Pavement

• Alan Sparkman
• Tennessee Ready Mixed Concrete Association

2
Thanks to ...

• Persistent Promotion
• 3 years from mention to reality
• Recurring Relationship
• Consistent Contact
• Solid Solution for the Situation

3
RCC Facts and Figures

• Lookout Valley Industrial Park Mix Design
• 2463 lbs Course Agg
• 1348 lbs Manufactured Sand
• 300 lbs Cement
• 100 lbs of Fly Ash
• 150 lbs of Water

4
Comparison

• Normal asphalt cross-section
• 6 inches of base stone
• 3 inches of Grading A Hot Mix
• 2 inches of B modified Hot Mix
• 1 1/2 inches of D mix
• RCC cross section
• 3 inches base stone
• 8 inches of RCC

5
More Facts

• 441 cubic yards were used
• Placed by TDOT using their equipment
• 5 man crew, plus 1 supervisor
• Placed on Saturday, traffic on Sunday
• 6-day core strength was 4780 psi

6
Cost Comparison

• In-place Asphalt bids 46,961.42
• Asphalt section, in place 34,486.20
• RCC section, in place 29,111.60

7
New Problem for Promotion

• How do you sell concrete pavement that is
• Installed by your worst enemy?
• Faster to place?
• Cheaper to install?