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Cold Central Plant Recycling Study: Test Track Construction, Layout, and Instrumentation

Author

Listed:
  • Jones, David
  • Louw, Stephanus

Abstract

This technical memorandum summarizes the construction and instrumentation of a test track to study the behavior of cold central plant recycled (CCPR) layers in a pavement structure. Two recycling agents will be tested including emulsified asphalt from two different producers and foamed asphalt from one binder supplier. The pavement structure includes an aggregate subbase, an aggregate base, the recycled layer, and a gap-graded rubberized hot mix asphalt (RHMA-G) surfacing. The structure was constructed on prepared subgrade. Material properties and construction procedures met all relevant Caltrans specifications. Instrumentation includes multi-depth deflectometers, strain gauges, pressure cells, and moisture sensors. The test track was considered to be representative of a highway project and was approved for Heavy Vehicle Simulator testing.

Suggested Citation

  • Jones, David & Louw, Stephanus, 2022. "Cold Central Plant Recycling Study: Test Track Construction, Layout, and Instrumentation," Institute of Transportation Studies, Working Paper Series qt9tt18741, Institute of Transportation Studies, UC Davis.
    • Handle: RePEc:cdl:itsdav:qt9tt18741
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    References listed on IDEAS

    as
    1. Louw, Stefan & Jones, David & Hammack, Joseph, 2016. "Pavement Recycling: Shrinkage Crack Mitigation in Cement-Treated Pavement Layers – Phase 1 Laboratory Testing," Institute of Transportation Studies, Working Paper Series qt6pc4478z, Institute of Transportation Studies, UC Davis.
    2. Jones, David & Louw, Stefan & Harvey, John, 2020. "Guide for Partial- and Full-Depth Pavement Recycling in California," Institute of Transportation Studies, Working Paper Series qt54z679x4, Institute of Transportation Studies, UC Davis.
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