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Influence of roofing shingles on asphalt concrete mixture properties. Final report

File Language:
English


Details

  • Creators:
    Newcomb, D. ; Stroup-Gardiner, M. ; Weikle, B. ; Drescher, A.
  • Subject/TRT Terms:
  • Publication/ Report Number:
    MN/RC-93/09
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    Minnesota. Department of Transportation
  • Abstract:
    It is estimated that the production of new roofing shingles generates approximately 1,000,000 tons of waste annually in the U.S., and about 36,000 tons of this waste is in the Twin Cities Metro Area of Minnesota. With another 8.5 million tons of waste materials from the rebuilding of shingle or hot-mop roofs each year on a national scale, it seems viable that their use in hot-mix would be an attractive alternative to disposing of them in landfills. This report presents the results of an effort to evaluate the use of roofing waste generated by manufacturers and from reconstruction projects. It was shown that up to 5%, by weight of mixture, manufacturing waste roofing shingles could be used in asphalt concrete with a minimum impact on the properties of the mixture. At a level of 7.5%, a noticeable softening of the mixture occurs, and this might be detrimental to pavement performance. The use of shingles from roof reconstruction projects resulted in the embrittlement of the mixture which may be undesirable for low temperature cracking of pavements. The manufactured shingle waste seems to work well in stone mastic asphalt mixtures.
  • Format:
    PDF
  • Download URL:
    https://rosap.ntl.bts.gov/view/dot/14724/dot_14724_DS1.pdf
  • File Type:
    Filetype[PDF - 8.96 MB]
  • Collection(s):
    US Transportation Collection
  • Main Document Checksum:
    urn:sha-512:671de2d6a936bc4e52fbf8825f9c9e3fce03824a75b4dc312d2bee6d91111c291840f23a0f1d7c6b9d71cc01dbb1ee32aa3cbe151930a59c15feeb872e02e463
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