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Proposed AASHTO Practice and Tests for Process Control and Product Acceptance of Asphalt-Treated Cold Recycled Pavements (2021) / Chapter Skim
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Appendix D - Proposed AASHTO Standard Method of Test for Evaluating the Raveling Resistance of Asphalt-Treated Recycled Pavement Applications Using a Short-Pin Fixture
Pages 143-150

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From page 143...
... The DCP upper assembly is removed and the peak torque observed while rotating a handheld torque wrench connected to the short-pin raveling fixture while the number of blows is recorded. These measurements can be used to make time-critical decisions regarding opening to traffic and surfacing of the recycled pavements.
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From page 144...
... REFERENCED DOCUMENTS 2.1. ASTM Standards: - D 6951/D 6951M - 18, Standard Test Method for Use of the Dynamic Cone Penetrometer in Shallow Pavement Applications - C1067 - 12, Standard Practice for Conducting a Ruggedness Evaluation or Screening Program for Test Methods for Construction Materials - C670 - 15, Standard Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials - C802 - 14, Standard Practice for Conducting an Interlaboratory Test Program to Determine the Precision of Test Methods for Construction Materials 3.
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From page 145...
... 4 inches Shear or raveling fixture Fig 2. Template used for torque measurement.
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From page 146...
... is then placed on top of the test fixture. The hammer-fixture system should be leveled using a bubble level resting on the base plate prior to testing.
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From page 147...
... A partial interlaboratory study was conducted in accordance with ASTM C802, Standard Practice for Conducting an Interlaboratory Test Program to Determine the Precision of Test Methods for Construction Materials. However, only three laboratories participated.
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From page 149...
... NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TDC Transit Development Corporation TEA-21 Transportation Equity Act for the 21st Century (1998)
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From page 150...
... Transportation Research Board NON-PROFIT ORG. 500 Fifth Street, NW U.S.
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Key Terms

  • raveling resistance
  • upper assembly
  • base plate
  • test method
  • standard practice

  • pavement surface
  • recycled pavements
  • torque wrench
  • safety administration
  • steel base

  • raveling fixture
  • dcp upper
  • conducted tests
  • properly conducted
  • ruggedness evaluation

  • dynamic cone
  • compacted recycled
  • interlaboratory test
  • test location
  • test program

  • cold recycled
  • handheld torque
  • screening program
  • construction materials
  • active filler

  • cone penetrometer
  • shear fixture
  • digital handheld
  • transportation equity
  • pavement applications


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