Cold Central Plant Recycling (CCPR)
Equipping you to apply treatments with confidence & success.
In many locations, stockpiles of high quality RAP are available and Cold Central Plant Recycling (CCPR) can produce a high quality economical paving material preventing a valuable resource from being landfilled. CCPR is the process in which the asphalt recycling takes place at a central location using a stationary cold mix plant and an existing stockpile of RAP. The stationary plant could be a specifically designed plant or a CIR train minus the cold planing machine set up in a stationary configuration. CCPR methods are also appropriate when an existing pavement cannot be in-place recycled due to logistical reasons or must be removed to allow treatment of underlying materials. CCPR mixtures can be designed for immediate use as a recycled pavement or designed for stockpiling and later use.
- 20-50% less expensive than conventional maintenance, reconstruction and new construction methods
- Reduces greenhouse emissions by up to 50%
- Resues 100% of existing materials
- Same day return to traffic, 20-40% faster construction times
- adds 15-20 years (combined with appropriate wearing course)
- Most agencies use Structural Layer (a) Coefficients between 0.30 - 0.38 (Recent research indicates values from 0.36-0.44 may be more appropriate)
Issues Addressed
- When used in place of an asphalt overlay, CCPR addresses the same distresses as the overlay
- When used in conjunction with CIR, CCPR treats the same distresses to a deeper depth in the pavement structure
- When used on a road that cannot be in-place recycled, CCPR treats the same distresses as CIR
Attributes
- CCPR can be used in new construction as a base or binder mix.
- CCPR can be used to widen or pave shoulders
- CCPR uses existing stockpiles of RAP
- CCPR can be used when it is not possible to CIR a road
Common Combinations
- CCPR + hot mix overlay
- CCPR + Single or Double Chip Seal
- CCPR + Micro or Slurry Surfacing
- CCPR + CIR to increase treatment depth
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