Methods and Practices on Reduction and Elimination of Asphalt Mix Segregation. A Synthesis of Highway Practice, NCHRP Synthesis 477.

摘要

The report documents methods and practices on reduction and elimination of asphalt mix segregation. This synthesis provides guidance on how to reduce or eliminate segregation during aggregate production, mix design, asphalt mix production, mix transport and transfer, and placement. Successful options for reducing or eliminating segregate, as well as caveats for what not to do, are included for the following topics: segregation descriptions and segregation specifications (standard sections, advantages, disadvantages, incentives/ disincentives, and desired changes).