级配碎石过渡层防止路面反射裂缝研究

Study on Pavement Reflection Crack Resistance by Gradated Aggregate Stone Transitional Layer

半刚性基层沥青路面反射裂缝是影响其使用功能的主要病害,重点研究采用高质量级配碎石过渡层防止和减缓半刚性路面反射裂缝的措施。依托重庆水江—界石高速公路试验段,对级配碎石过渡层的抗裂机理进行分析,论述级配碎石过渡层优良的抗裂性能和施工工艺。

Half rigid substrate asphalt pavement reflection crack is the major disease that influences its performance.This paper studies measures to prevent or ease half rigid pavement reflection crack by high quality graded aggregate stone transitional layer.Based on experimental segment of Shuijiang-Jieshi Expressway,the paper analyzes anti-crack mechanism of graded aggregate stone transitional layer,so to demonstrate the outstanding anti-crack performance of graded aggregate stone transitional layer and its construction process.