基于FLAC3D有限差分法的路堑高边坡支护模型比较分析  

Comparative Analysis of High Cutting Slope Supporting Model Based on FLAC3D Finite Differential Method

作　　者：陈小波 刘兴武[2] 曹前[2] 邓涵文 周婷[2] 张景怡[2] 

机构地区：[1]湖南省炎汝高速公路建设开发有限公司,湖南炎陵412500 [2]长沙理工大学交通运输工程学院,湖南长沙410004

出　　处：《公路工程》2014年第1期187-192,201,共7页Highway Engineering

摘　　要：路堑高边坡已经成为了修建山区高等级公路中不可避免的一道技术难关，以炎汝高速公路建设工程为依托，对炎汝高速公路 LK141＋550～LK142＋205路段实地调查，选定了 LK141＋980处路堑高边坡作为数值模拟分析的研究对象，确定了5种不同的边坡支护方案。通过对 LK141＋980处路堑高边坡在采用5种支护方案进行 FLAC3D数值模拟，重点研究边坡的稳定性、位移和应力变化及分布规律并确定最佳防护方案，以指导实践。High cutting slope has become an inevitable technical challenges in constructing high-grade highway.The thesis based on YanRu highway construction project and on the field investigation of Yan Ru Highway LK141 ＋550 ~LK142 ＋205 sections,I selected LK141 ＋980 cut high slope as the research object of this paper numerical simulation analysis,identified five different slope supporting plan. By LK141 ＋980 high cutting slope in the FLAC3D numerical simulation after five support scheme,key research of slope stability,the displacement and the stress variation and distribution,and determining the optimal protection scheme so as to guiding practice.

关 键 词：道路工程 路堑高边坡 安全系数 稳定性 数值模拟 

分 类 号：U416.14[交通运输工程—道路与铁道工程]