高液限土场地陡坡路堤滑坡处治及稳定性分析  

Treatment and Stability Analysis for Embankment Slide on High Liquid Limit Soil Foundation

作　　者：夏华盛 XIA Hua-sheng(Zhejiang Highway&Water Transportation Engineering Consulting Liability Company,Hangzhou 310006,China)

机构地区：[1]浙江公路水运工程咨询有限责任公司,杭州市310006

出　　处：《北方交通》2021年第1期62-65,共4页Northern Communications

摘　　要：对浙江某山区公路高液限土场地横向陡坡路堤滑坡进行地质地形分析,经方案比选后采用以完善场地排水为主的处治原则,基底以上设清宕渣垫层,地表以下3m内高液限土换填清宕渣,换填层底部设网状渗沟,并运用有限元软件对正常工况及暴雨工况分别进行稳定性数值分析,结果表明,在排水系统完善的情况下路堤稳定系数满足规范要求,项目通车后运行良好。This paper analysis the conditions of a transverse steep embankment slide,a scheme to improve drainage system is adopted based on scheme comparison,permeable embankment filling is constructed on the ground and the high liquid limit soil no deeper than 3m is replaced by permeable embankment filling,a grid shaped underground trench system is set up below the replacement,finite element analysis shows that the safety coefficient of the embankment meets the requirements of the specification as long as the drainage system is in good condition during the normal circumstance and continual heavy rainfall,traffic runs well after the road is opened.

关 键 词：高液限土 滑坡 排水系统 稳定性分析 数值计算 

分 类 号：U416.1[交通运输工程—道路与铁道工程]