云南某高速公路路基病害特征及成因分析

Analysis on the Characteristics and Causes of Subgrade Diseases in a Expressway in Yunnan

云南某山区高速公路在通车两年内陆续出现了路基裂缝、路基沉降等路基病害。文章结合该高速公路路基病害检测工作,分析了该项目路基病害的类型和特征,从地形、地质、施工质量、路基特征等方面对路基病害的成因进行了分析,并介绍了相应的病害处治措施。

Subgrade cracks and subgrade settlements have appeared in expressway in a mountainous area of Yunnan Province within two years.Based on the expressway subgrade disease detection work,this paper analyzes the types and characteristics of subgrade diseases of the project,analyzes the causes of subgrade diseases from the aspects of topography,geology,construction quality and subgrade characteristics,and introduces the corresponding disease treatment measures.