| 多层采空区条件下的高速公路路堑边坡稳定性数值分析 |
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| 引用本文： | 高磊,施斌,朱友群,王宝军,邵玉娴,张勇.多层采空区条件下的高速公路路堑边坡稳定性数值分析[J].防灾减灾工程学报,2009,29(4):387-391. |
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| 作者姓名： | 高磊 施斌 朱友群 王宝军 邵玉娴 张勇 |
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| 作者单位： | 南京大学地球科学与工程学院,南京,210093 |
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| 基金项目： | 国家自然科学基金项目，国家杰出青年科学基金项目 |
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| 摘 要： | 高速公路建设过程中常穿越各种矿山采空区,采空区对路堑边坡的稳定性产生较大的影响。基于有限差分分析的快速拉格朗算法FLAC3D程序,由于具有强大的数值模拟分析功能,可以模拟多种结构形式的地质体,因而广泛应用于各种岩土工程问题。本文结合国家某重点交通项目,采用快速拉格朗算法FLAC3D程序对多层采空区条件下的某路堑边坡稳定性进行了评价,主要包括开挖、注浆和锚固等工况下路堑边坡的应力和位移分析。分析结果表明,采空区经过处理后的路堑边坡是稳定的,FLAC3D应用于多层采空区条件下的路堑边坡稳定性评价是可行的。
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| 关 键 词： | 路堑边坡 采空区 快速拉格朗算法(FLAC3D) 稳定性评价 |
Numerical Simulation on the Stability of the Highway Cut Slope with Goafs |
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| GAO Lei,SHI Bin,ZHU You-qun,WANG Bao-jun,SHAO Yu-xian,ZHANG Yong.Numerical Simulation on the Stability of the Highway Cut Slope with Goafs[J].Journal of Disaster Prevent and Mitigation Eng,2009,29(4):387-391. |
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| Authors: | GAO Lei SHI Bin ZHU You-qun WANG Bao-jun SHAO Yu-xian ZHANG Yong |
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| Institution: | GAO Lei,SHI Bin,ZHU You-qun,WANG Bao-jun,SHAO Yu-xian,ZHANG Yong(School of Earth Science and Engineering,Nanjing University,Nanjing 210093,China) |
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| Abstract: | The highway always goes through the goafs.The goafs exert significant impact on the cut slope stability.FLAC3D is based on finite difference method,it has powerful function to simulate the rock and soil behavior.In this paper,take a national traffic program for example,FLAC3D is used to analysis the stress and displacement of the highway cut slope with goafs after grouting and anchoring.The results show that the cut slope is stable after groutal and reinforced and FLAC3D is feasible to evaluate the stabilit... |
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| Keywords: | cut slope goafs Fast Lagrangian Analysis of Continua in 3 Dimensions(FLAC3D) stability evaluation |
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