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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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Research Approach
Pages 3-4

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From page 3...
... Therefore, the objective of Phase III of NCHRP Project 9-29, as stated in the expanded scope of work, is to "evaluate and refine the indirect tensile test (IDT) procedures proposed for use as the simple performance test for low-temperature cracking and as the materials characterization test for low-temperature cracking in the pavement design guide developed in NCHRP Project 1-37A." SCOPE OF STUDY Given the limited budget, the scope of Phase III of NCHRP Project 9-29 primarily focused on the basic test methods, equipment, and analysis used in the IDT creep and strength tests.
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From page 4...
... Because uniaxial testing is being promoted for mix analysis in NCHRP Project 9-19 and for the construction of dynamic modulus master curves in NCHRP Project 1-37A, its use in low-temperature characterization should maximize equipment use and simplify implementation and training activities. The theory underlying the IDT creep and strength tests is presented and discussed within Chapter 2 of this report.
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Key Terms

  • idt creep
  • strength tests
  • idt test
  • asphalt concrete
  • tensile test

  • indirect tensile
  • iii included
  • white paper
  • highway research
  • nchrp project

  • equipment configuration
  • laboratory testing
  • basic test
  • test equipment
  • tory test

  • uniaxial test
  • performance test
  • test procedures
  • performing idt
  • six idt

  • test program
  • characterization test
  • limited budget
  • nchrp elected
  • materials characterization

  • reduction methods
  • mix design
  • critically examine
  • simple performance
  • turner fairbank


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