摘要
膨胀土对高速公路路基有着极大危害,介绍了膨胀土路基的主要病害类型,从设计、施工、管理3个方面分析了膨胀土路基病害产生原因,详细介绍了膨胀土路基病害处治方案,包括膨胀土路堑上边坡开裂坍塌处治方案,挖方段路槽基底为膨胀土出现水稳基层及路面开裂处治方案,以及路基基底为膨胀土时路基开裂一般采用的方案;并介绍了膨胀土路基防排水施工技术。
Expansive soil greatly damages subgrade of expressway,this paper introduces the main damage types of expansive soil subgrade, analyzes the causes of expansive soil subgrade from three aspects of design,construction,management;introduces the treatment schemes of expansive soil subgrade,including treatment schemes of slope cracking and collapse for expansive soil cutting, treatment schemes of base course and pavement cracking for expansive soil basement,and general schemes for subgrade cracking;introduces construction technology of waterproof and drainage for expansive soil subgrade.
出处
《施工技术》
CAS
北大核心
2014年第17期119-122,共4页
Construction Technology
关键词
公路工程
路基
膨胀土地基
路基病害
处治措施
road construction subgrade expansive soil foundations subgrade diseases treatment measures
