Asphalt Pavement Industry Survey on Recycled Materials and Warm-Mix Asphalt Usage: 2022
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Authors
Williams, Brett A.
Willis, J. Richard, Ph.D.
Shacat, Joseph
Issue Date
2024-03
Type
Technical Report
Language
en_US
Keywords
Reclaimed asphalt pavement , Reclaimed asphalt shingles , Warm-mix asphalt , Recycled tire rubber , Ground tire rubber , Slag , Fly ash , RAP , RAS , WMA , GTR , RTR , Recycled materials , Economics
Alternative Title
Abstract
The objective of this survey, first conducted for the 2009 and 2010 construction seasons, is to quantify recycled materials used and WMA produced annually by the asphalt pavement industry to document the deployment of these technologies to understand where they are being used and where they are underutilized. Results show significant growth in the use of RAP, RAS, and WMA technologies since 2009, although the rate of year-over-year growth has generally slowed since 2013.
Description
Citation
Publisher
National Asphalt Pavement Association