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Evaluation of Indirect Tensile Test (IDT) Procedures for Low-Temperature Performance of Hot Mix Asphalt (2004) / Chapter Skim
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Chapter 4 - Conclusions and Recommendations
Pages 29-29

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From page 29...
... This anisotropy is the primary reason for preferring the IDT creep and strength tests over other procedures. • Pavement engineers and researchers should be careful when using compliance and modulus values for asphalt concrete in pavement design and analysis, because these and related properties are potentially anisotropic and their values will depend upon the direction and sense of the applied stress with respect to the orientation relative to the compaction process.
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Key Terms

  • strength test
  • idt strength
  • air void
  • tensile strength
  • uncorrected idt

  • asphalt concrete
  • idt creep
  • test method
  • cracking temperatures
  • age hardening

  • actual strength
  • ruggedness testing
  • potentially anisotropic
  • strength tests
  • test procedures

  • void distribution
  • related properties
  • stantial age
  • tests performed
  • hirsch model

  • estimate creep
  • empirical equation
  • field cores
  • test temperatures
  • relatively minor

  • mate tensile
  • critical cracking
  • probably acceptable
  • preferential aggregate
  • improved test


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