高速铁路大型滑坡综合治理方案研究  

Research on Comprehensive Treatment Scheme of Large Landslide on High-speed Railway

作　　者：杨振伟 YANG Zhenwei(China Railway Fifth Survey and Design Institute Group Co.,Ltd.,Beijing 102600,China)

机构地区：[1]中铁第五勘察设计院集团有限公司,北京102600

出　　处：《工程技术研究》2023年第4期33-36,共4页Engineering and Technological Research

摘　　要：文章基于汉巴南高速铁路建设过程中发生的一处大型滑坡,在综合勘察的基础上,对滑坡产生的原因、发展、形成机理及整治措施进行深入研究,结果表明:该区域地层呈典型的上软下硬“二元结构”,且分界面具有一定的坡度,在人工开挖与异常降雨的作用下发生滑动。此研究在滑坡推力计算的基础上进行了支挡结构方案的比选,考虑到治理费用、施工时间等因素,确定采用后缘清方、前缘支挡的方案,并辅助以坡面放缓加固、立体排水、全方位监测等措施,最终形成综合治理方案。Based on a large landslide occurred during the construction of Hanzhong-Bazhong-Nanchong Highspeed Railway,this paper makes an in-depth study on the causes,development,formation mechanism and treatment measures of the landslide on the basis of comprehensive investigation.The results show that the stratum in this area is a typical"dual structure"of soft upper and hard lower,and the interface has a certain slope.The landslide occurs under the action of manual excavation and abnormal rainfall.In this study,based on the calculation of landslide thrust,the comparison and selection of retaining structure schemes were carried out.Considering the factors such as treatment cost and construction time,the scheme of rear edge clearing and front edge retaining is adopted,and assisted by the measures such as slope slowing and reinforcement,threedimensional drainage and all-round monitoring to form a comprehensive treatment scheme.

关 键 词：高速铁路 滑坡 清方减载 支挡工程 综合治理 

分 类 号：U216.419.1[交通运输工程—道路与铁道工程]