重载交通长寿命沥青路面设计方法

Design Method of Heavy-load Traffic Long Service Life Asphalt Pavement

在我国的道路建设中有90%的道路是沥青路面结构。我国公路的建设起步较晚,我国气候和交通荷载条件复杂多变,车辆超载严重,许多公路路面结构还存在种种问题。该文分析指出传统路面设计方法在工程实践中的局限性,并针对重载交通介绍了长寿命沥青路面的设计理念,设计过程中的要求、注意事项,相对于传统设计方法,分析了其在寿命周期,养护成本等方面的优势,最后指出引进长寿命沥青路面设计方法的必要性。

There are 90% roads of asphalt pavement structure in the road construction of China.The construction of highways was started later in China.The climate and traffic load conditions are complex and varied in China.The overload of the vehicles is serious.Various problems exist in the pavement structure of many highways.The article analyzes and points out the localization of the traditional pavement design method in the engineering practice,and introduces the design idea of the long service life asphalt pavement for the heavy-load traffic,the requirements and cautions in the course of design.The article analyzes the superiority in the aspects of its service life period and the maintenance cost relative to the traditional design method,and finally points out the necessity to introduce the design method of long-service life asphalt pavement.