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Aggregate Properties and the Performance of Superpave-Designed Hot-Mix Asphalt (2005) / Chapter Skim
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Pages 12-13

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From page 12...
... The consensus properties -- including coarse aggregate angularity, flat and elongated particles, fine aggregate angularity, and sand equivalent -- were chosen to ensure that the aggregate quality was sufficient to provide satisfactory HMA performance for the design traffic level. Specification values were to be uniform throughout the United States without regard for locally available materials.
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From page 13...
... Pooled Fund Study 176, "Validation of SHRP Asphalt Mixture Specifications Using Accelerated Testing," examined the effects of VMA, fine aggregate angularity (FAA) , and gradation on the performance (primarily rutting)
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Key Terms

  • aggregate crushing
  • highway research
  • apt facility
  • fine aggregate
  • air void

  • asphalt pavements
  • test method
  • aggregate properties
  • coarse aggregate
  • sulfate soundness

  • mix asphalt
  • available materials
  • elongated particles
  • aggregate angularity
  • car test

  • image analysis
  • design method
  • fund study
  • pooled fund
  • locally available

  • asphalt mixture
  • tests related


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