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Optimization of Tack Coat for HMA Placement (2012) / Chapter Skim
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Section 5 - Conclusions
Pages 80-81

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From page 80...
... The overlays included different tack coat residual application rates beneath a new HMA overlay installed over several types of pavement surfaces including old hot-mix asphalt, new HMA, milled HMA, and grooved portland cement concrete. Five types of tack coat materials were applied at three residual application rates.
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From page 81...
... Surface Type Residual Application Rate (gsy) New Asphalt Mixture 0.035 Old Asphalt Mixture 0.055 Milled Asphalt Mixture 0.055 Portland Cement Concrete 0.045 Table 31.
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Key Terms

  • residual application
  • coat materials
  • application rates
  • shear strength
  • tensile strength

  • coat spray
  • coat residual
  • maximum tensile
  • application rate
  • coat application

  • ing tack
  • recommended tack
  • spray application
  • milled hma
  • training manual

  • materials evaluated
  • application quality
  • hma surface
  • coat type
  • coat base

  • excessive tack
  • various tack
  • tack residual
  • optimum tack
  • trackless tack

  • emulsified tack
  • coat rates
  • interlayer shear
  • application methods
  • commonly predicted


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