旧路基拓宽常见病害分析  

Analysis of Common Diseases of Widened Old Subgrades

作　　者：陈光辉 CHEN Guang-hui(Hebei Expressway Group Co.Ltd.Xingheng Hengshui Branch,Hengshui 053000,China)

机构地区：[1]河北高速公路集团有限公司邢衡衡水分公司,河北衡水053000

出　　处：《工程建设与设计》2023年第6期77-79,共3页Construction & Design for Engineering

摘　　要：对高速公路改扩建项目的常见病害、原因以及拓宽路基的沉降形态进行分析,对改扩建后的沉降标准进行研究,总结了高速公路改扩建新旧路基结合部位的处理措施,以提高高速公路改扩建项目路基的稳定性。This paper analyzes the common diseases and causes of expressway reconstruction and expansion projects as wellas the settlement form of widened subgrade,studies the settlement standard after reconstruction and expansion,and summarizes the treatment measures for the combination of old and new subgrade of expressway reconstruction and expansion projects,so as to improve the stability of expressway reconstruction and expansion projects.

关 键 词：高速公路 改扩建项目 常见病害 沉降形态 沉降控制标准 

分 类 号：U418.8[交通运输工程—道路与铁道工程]