| Asphalt Rubber Technology Information Center |
Recycling Crumb Rubber Modified Asphalt Pavements
Author(s):
Crockford, William W.; Makunike, Danai; Davison, Richard R.; Scullion, Tom and Billiter, Travis C.
Origin:
Texas
Date:
July, 1995
Categories:
Recyclability
Key Words:
Crumb rubber, Asphalt, pavements
Summary:
There has been concern that the legislative mandate to use waste rubber in paving applications will result in a severe
environmental problem when it becomes necessary to recycle these pavements. If successful recycling is possible, the
long-term performance of these pavements becomes a concern. The results of this study indicate that it is possible to
recycle this material. However, some techniques for conventional asphalt mixture design, materials processing, and
construction must be modified to ensure this success, and some techniques may not be appropriate when waste rubber
is present in the mixture to be recycled. Many of the results presented in this study are based on experiences in Tyler
and San Antonio, Texas, where two of the earliest crumb rubber recycling operations in the United States have
transpired.
Author(s):
Crockford, William W.; Makunike, Danai; Davison, Richard R.; Scullion, Tom and Billiter, Travis C.
Origin:
Texas
Date:
July, 1995
Categories:
Recyclability
Key Words:
Crumb rubber, Asphalt, pavements
Summary:
There has been concern that the legislative mandate to use waste rubber in paving applications will result in a severe
environmental problem when it becomes necessary to recycle these pavements. If successful recycling is possible, the
long-term performance of these pavements becomes a concern. The results of this study indicate that it is possible to
recycle this material. However, some techniques for conventional asphalt mixture design, materials processing, and
construction must be modified to ensure this success, and some techniques may not be appropriate when waste rubber
is present in the mixture to be recycled. Many of the results presented in this study are based on experiences in Tyler
and San Antonio, Texas, where two of the earliest crumb rubber recycling operations in the United States have
transpired.
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