旧路面使用性能评价方法及技术指标分析

Analysis of Evaluation Methods for Usability and Technical Indices of Old Pavements

对目前我国旧路面使用性能评价方法存在的问题进行分析,探讨适合于我国高速公路养护及改扩建工程的旧路面使用性能评价方法体系,其包括评价内容、评价方法及技术指标,指出应加强历史资料的有效利用,增加主要类型病害的单项评价指标,并按照宏观、中观和微观3个层面依次对路面性能进行评价。

This paper analyzes the existing problems in evaluation methods for usability of old pavements,and probes into the evaluation method system applicable to maintenance of our national expressways and usability of ole pavements in reconstruction and extension projects, including evaluation contents,evaluation methods and technical indices. The paper points out effective utilization of historical data shall be strengthened, single evaluation indices of main type diseases shall be increased, and pavement performance shall be evaluated in order in accordance with macro,intermediate and micro levels.