Stability analysis and estimation of slope excavation of Silin Hydropower Station’s navigation lock

XU Li-qun; SHEN Zhen-zhong; YU Kai-jia; Lü Jun

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Stability analysis and estimation of slope excavation of Silin Hydropower Station’s navigation lock

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- Stability analysis and estimation of slope excavation of Silin Hydropower Station’s navigation lock
- Vol. 29, Issue S1, (2008)
- 作者机构：
  
  1. 河海大学水利水电工程学院,南京,210098
  2. 贵阳勘测设计研究院,贵阳,550002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470
- Online First：15 April 2016，
  
  Published：2008
- 稿件说明：
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XU Li-qun, SHEN Zhen-zhong, YU Kai-jia, et al. Stability analysis and estimation of slope excavation of Silin Hydropower Station’s navigation lock[J]. 2008, 29(S1).
DOI：

XU Li-qun, SHEN Zhen-zhong, YU Kai-jia, et al. Stability analysis and estimation of slope excavation of Silin Hydropower Station’s navigation lock[J]. 2008, 29(S1). DOI：

摘要

应用ANSYS结构分析软件，模拟了思林水电站通航建筑物高边坡的地形、地质条件以及开挖的过程，建立边坡开挖的有限元计算分析模型，分析边坡在自然状态、分级开挖以及锚杆支护加固等工况下的应力、变形及其整体稳定性。定义单元的局部安全系数，得到了边坡开挖加固后稳定安全系数的分布。根据计算成果，指出现设计加固措施可以保证边坡稳定，无需增加其他工程措施。

Abstract

By use of the ANSYS

the software of finite element structure analysis

a finite element analysis model is set up for slope excavation

and the landform and geological condition and excavation process of Silin Hydropower Station’s navigation lock are simulated in detail. The stress

displacement and factor of safety of slope stability are analyzed under different conditions such as the natural condition

excavation step by step and reinforcement by anchor rod etc. Based on the definition of local factor of safety of element

the distribution of factor of safety of slope stability is obtained for before and after reinforcement during excavation. According to the calculation result

it is shown that the slope is stable under the designed engineering measure and without other reinforcement measure.

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