Finite Element Study of Landslide Erosion in Incision Terrain

ZHENG Shu-yan; LI Zhan-bin; ZHANG Hui-xia; XU Bo-ronng

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Finite Element Study of Landslide Erosion in Incision Terrain

- Finite Element Study of Landslide Erosion in Incision Terrain
- Bulletin of Soiland Water Conservation Vol. 23, Issue 5, Pages: 31-33(2004)
- 作者机构：
  
  1. 长安大学地测学院,陕西,西安,710054
  2. 西安理工大学水电学院,陕西,西安,710048
  3. 杨凌职业技术学院, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2004
- 稿件说明：
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ZHENG Shu-yan, LI Zhan-bin, ZHANG Hui-xia, et al. Finite Element Study of Landslide Erosion in Incision Terrain[J]. Bulletin of Soiland Water Conservation, 2004, 23(5): 31-33.
DOI：

ZHENG Shu-yan, LI Zhan-bin, ZHANG Hui-xia, et al. Finite Element Study of Landslide Erosion in Incision Terrain[J]. Bulletin of Soiland Water Conservation, 2004, 23(5): 31-33. DOI：

摘要

以切层滑坡侵蚀实例

以西马峪滑坡侵蚀体为研究对象

定性分析了西马峪滑坡侵蚀体的形成与变形破坏特征。结果表明

西马峪滑坡侵蚀体处于临界—不稳定状态;建立了地质模型、数学力学模型

对西马峪滑坡侵蚀体进行有限元分析计算

由有限元计算结果可知

滑动面上已形成了应力集中、分异现象

表明西马峪滑坡侵蚀体处于不稳定状态

如果有暴雨、地震、人工切割坡脚等触发因素

还会导致其再次滑动。应当采取工程治理措施

制止此类水土流失的发生。

Abstract

Based on a case study of the incision terrain at Ximayu

landslide erosion

forming characteristics

deformation and destruction characteristics are qualitatively analyzed. Results show that the Ximayu landslide-body is unstable. The authors constructed a geological model and a math-mechanical model

and then calculated the landslide body by means of finite elements. The result shows that stress has concentrated on the failure plane

which further supports the evidence that the Ximayu landslide is unstable and may move under heavy rainfall conditions

due to an earthquake or as a result of human activities such as slope cutting. It is suggested that engineering measurements be conducted in order to determine methods for stabilization and the prevention of further erosion.

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