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Evaluation of Modified Binder Gap-Graded Mixes for Half-Thickness Reflective Cracking Overlays

  • Author(s): Pavement Research Center, University of California;
  • et al.
Abstract

The question asked by Caltrans and Industry: Will gap-graded modified binder (MB-G) mixes provide performance equal to gap-graded rubberized asphaltconcrete (RAC-G) mixes in half thickness applications? Why was this question asked?MB binders could offer cost savings, and widen the application range for rubberized binders.

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