Asphalt Rubber Technology Information Center
Feasibility of Using Crumb Rubber Modifier in Hot-Mix Asphalt Pavement Applications in Puerto Rico
Author(s):
Colucci, Dr. Benjamin, Prieto, Jorge, and Dayton, David  
Origin:
Puerto Rico  
Date:
March 1994  
Categories:
Performance  
Key Words:
Crumb rubber modifier
Summary:
This report presents the findings of a study to assess the feasibility of using crumb rubber modifier (CRM) in hot-mix
asphalt (HMA) pavement applications in Puerto Rico, as required by Section 1038 (d) of the 1991 Intermodal Surface
Transportation Efficiency Act (ISTEA).  The study was undertaken at the request of the DOT and Public Works, with the
join support of the Puerto Rico Transportation Technology Transfer center.  Early in the course of this study, the
investigators found that CRM utilization in HMA pavement applications is inextricably linked to the problem of scrap tire
recycling.  
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