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

David Jones and Stephanus Louw

Institute of Transportation Studies, Working Paper Series from Institute of Transportation Studies, UC Davis

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.

Keywords: Engineering; cold central plant recycling; Heavy Vehicle Simulator testing (search for similar items in EconPapers)
Date: 2022-09-01
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Persistent link: https://EconPapers.repec.org/RePEc:cdl:itsdav:qt9tt18741

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