基于FLAC3D的含泥质软弱夹层顺层岩质边坡滑坡治理研究  

Study on Landslide Treatment of Bedding Rock Slope with Weak Interlayer of Argillaceous Material Based on FLAC3D

作　　者：陈观明 CHEN Guanming(Guangzhou Railway Group Huizhou Public Works Section,Huizhou 516000,Guangdong,China)

机构地区：[1]广梅汕铁路有限责任公司惠州工务段,广东惠州516000

出　　处：《路基工程》2020年第2期211-215,共5页Subgrade Engineering

摘　　要：以杭深线K1455+600^+855下行左侧顺层路堑边坡为例,通过模拟分析顺层岩质边坡应力场、位移场及剪切区分布情况,研究了顺层岩质边坡的滑坡机理。同时,通过数值有限差分法分析显示,在边坡顺层带的泥质软弱夹层存在剪应力集中区,与顺层带的地质和物理力学滑坡分析结果相吻合。Taking the downstream left bedding cut slope of K1455+600^+855 of Hangzhou-Shenzhen railway as an example, through numerical simulation analysis of the stress field, displacement field and shear zone distribution of the bedding rock slope, the landslide mechanism of the bedding rock slope has been studied. At the same time, the finite difference method analysis uncovers that shear stress concentration zone exists in the weak interlayer of mud in the bedding zone of the slope, which is consistent with the geological and physical mechanical landslide analysis results.

关 键 词：高铁 路堑 顺层岩质边坡 滑坡机理 数值模拟 

分 类 号：U416.13[交通运输工程—道路与铁道工程]