按PG等级规范评价应力吸收层沥青性能  

Performance of Asphalt as Stress Absorption Layer,Evaluated According to PG Grade Specifications

作　　者：李迎[1] 吴玉辉[2] 南雪峰[3] 

机构地区：[1]同济大学,上海200092 [2]辽宁省交通科学研究院,沈阳110015 [3]沈阳建筑大学,沈阳110168

出　　处：《北方交通》2007年第1期23-25,共3页Northern Communications

摘　　要：根据SHRP提出的按性能分级(PG)的沥青胶结料标准规范,对用于应力吸收层的沥青进行了性能评价,结果表明所选择的沥青满足应力吸收层的要求。In terms of SHRP, the paper advances standard specifications for asphalt binder graded following the performances, and makes performance evaluation on asphalt as stress absorption layer. Applied results have proven that selected asphalt can satisfy needs for the stress absorption.

关 键 词：PG等级 应力吸收层 沥青 反射裂缝 

分 类 号：U416.217[交通运输工程—道路与铁道工程]