Crumb rubber modified asphalt concrete in Oregon : final report.

Details

• Creators:
  Hunt, Elizabeth
• Corporate Contributors:
  Oregon. Dept. of Transportation. Research Unit ; United States. Federal Highway Administration
• Subject/TRT Terms:
  • Asphalt concrete pavements
  • Crumb rubber
• Publication/ Report Number:
  FHWA-OR-RD-02-13
• Resource Type:
  Tech Report
• Geographical Coverage:
  Oregon
• Corporate Publisher:
  Oregon. Dept. of Transportation. Research Unit
• Abstract:
  Since 1993, the Oregon Department of Transportation (ODOT) has been monitoring performance of seventeen rubber modified ; asphalt and asphalt concrete sections constructed on Oregon highways. The study originated in response to the Intermodal Surface ; Transportation Efficiency Act (ISTEA, 1991) which mandated the use of tire rubber in pavements. The ISTEA requirement was ; eventually repealed, however, the study continued to document pavement performance in an effort to determine if rubber modified ; asphalt concrete pavements are feasible in terms of construction and life cycle cost. ; The rubber modified sections that performed the worst included those constructed using the dry process (rubber modified asphalt ; concrete—RUMAC). The sections performing the best included open graded mixes constructed using the binder PBA-6GR (a rubber ; modified asphalt). After five years, the PBA-6GR pavements were performing as well or better than the control sections. The cost of ; the mixes constructed in 1993 and 1994 with PBA-6GR was about 12% more than the control sections. Over the life of the pavement, ; the terminal blend asphalt rubber (PBA-6GR) may be cost effective. ; This report documents the performance of the rubber modified and control sections including distress information, skid and ride data ; and laboratory testing results. In addition, non-ODOT projects were reviewed and discussed.
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• Format:
  PDF
• Funding:
  SPR 355
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/22795/dot_22795_DS1.pdf
• File Type:
  [PDF - 373.87 KB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:c46e945d4aa7d630535331a2cf6f7775e62b1611c02164c2aac60fcff54fbca99093b4efe1eb21eabf784051ba48f6279d1495d09d8c16e41caabc0f869218b5