| 基于有限元强度折减法的滑坡稳定性分析 |
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| 引用本文： | 王振强,肖盛燮,武黎明.基于有限元强度折减法的滑坡稳定性分析[J].交通标准化,2010(13):93-97. |
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| 作者姓名： | 王振强 肖盛燮 武黎明 |
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| 作者单位： | 1. 重庆交通大学土木学院,重庆,400074
2. 重庆工商职业学院,重庆,400052 |
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| 摘 要： | 在通用有限元计算软件ANSYS中建立均质滑坡与有下伏倾斜岩层的滑坡两种模型,依据ANSYS所提供的单元特性对滑坡岩土体进行模拟,并采用强度折减法对其进行分析;以有限元静力计算不收敛和位移不收敛作为滑坡整体失稳的判据,通过对比分析,得出在岩土性质相同的情况下,两种不同滑坡模型的塑性区发展规律及各自的安全系数。这项研究可为工程提供防护依据。
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| 关 键 词： | 有限元 强度折减法 滑坡 安全系数 |
Stability Analysis of Landslide Based on Finite Element Strength Reduction Method |
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| WANG Zhen-qiang,XIAO Sheng-xie,WU Li-ming.Stability Analysis of Landslide Based on Finite Element Strength Reduction Method[J].Communications Standardization,2010(13):93-97. |
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| Authors: | WANG Zhen-qiang XIAO Sheng-xie WU Li-ming |
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| Institution: | 1.School of Civil Engineering,Chongqing Jiaotong University,Chongqing 400074,China; 2.Chongqing Technology and Business College,Chongqing 400052,China) |
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| Abstract: | Homogeneous underlying landslide model and underlying tilted strata landslide model are established through general-purpose finite element analysis software ANSYS. The landslide of rock and soil is simulated based on the unit characteristics provided by ANSYS,and strength reduction method is used to analyze. Taking static finite element calculations and displacement not converge as the criterion to judge the whole instability of landslide,in the case of rock and soil of the same nature,landslide development law of plastic zones and respective safety factor for two different models are obtained through comparative analysis,which can provide basis for project protection. |
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| Keywords: | finite element strength reduction method landslide safety factor |
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