摘要
以京台高速济泰段改扩建项目为工程背景,调查了现有高速公路路基的病害情况,总结了局部道路出现挡墙开裂、错台、台背脱空等病害的成因,并提供了相应的处治方法,以提高公路承载力和行车负荷强度,从而延长高速公路使用寿命。
Taking the reconstruction and expansion project of Jitai section of Beijing-Taipei expressway as the engineering background,this paper investigates the diseases of existing expressway subgrade,summarizes the causes of some diseases such as the cracking of retaining wall,the dislocation of abutment,and the vacancy of abutment back,and provides corresponding treatment methods,so as to improve the highway bearing capacity and driving load intensity,and thus prolong the service life of expressway.
作者
刘杉
崔玉桥
董凯智
夏才园
LIU Shan;CUI Yuqiao;DONG Kaizhi;XIA Caiyuan(Shandong Provincial Communication Planning and Design Institute Group Co.,Ltd.,Shandong Jinan 250101 China;Department of Transport,Qingdao West Coast New District,Shandong Qingdao 266400 China;Dongying Changtong Highway Design Co.,Ltd.,Shandong Jinan 250101 China)
关键词
病害
高速公路
改扩建工程
disease
highway
reconstruction and extension project