金沙江虎跳峡水电站龙蟠坝区坝肩边坡的稳定性研究

汪波; 李渝生; 王运生; 谢鸿煜

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金沙江虎跳峡水电站龙蟠坝区坝肩边坡的稳定性研究

1. 成都理工大学环境与土木工程学院, 成都 610059;
2. 中铁二局集团机械筑路分公司, 成都 610031

详细信息

作者简介:
汪波(1975-),男,硕士研究生,从事岩土工程方面的研究工作.

中图分类号: P642.5
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- 文章访问数: 200
- HTML全文浏览量: 54
- PDF下载量: 11
- 被引次数: 0
出版历程
- 收稿日期: 2002-09-02
- 刊出日期:

STUDY ON THE DAM ABUTMENT'S SIDE SLOPE STABILITY OF LONGPAN DAM REGION OF TIGER LEAPING GORGE HYDROELECTRIC STATION IN JINGSHA RIVER

1. College of Environment and Civil Engineering, Chengdu University of Technology, Chengdu 610059, China;
2. Mechanism Roadbuilding CO. LTD. The Second Group of China Railway, Chengdu 610031, China

摘要

摘要: 论文从龙蟠地区的基本地质环境入手,分析了工程区的地貌地质特征,以此获取了客观的计算模型。在此基础上,对在现今应力场作用下工程坝肩边坡的稳定性采用了有限元模拟,并对模拟的结果进行分析,得出坝肩边坡在现今应力场作用下左岸岩体应力-形变处于明显卸荷状态,右岸滑坡体处于明显的应力松驰阶段,但总体来说坝肩边坡在天然状态下是处于稳定状态的;同时对右岸滑坡体采用不平衡推力法对各种工况条件下的稳定性进行计算,并对计算结果进行分析得出右岸滑坡体在各种工况条件下也是处于稳定状态的。
- 边坡 /
- 滑坡 /
- 有限元模拟 /
- 稳定性
Abstract: The paper makes a analysis for natures of the basic geological environment and for the geomorphology features in Longpan dam region;as a result,the objective calculative model is obtained.On this condition,the stability of dam abutment is computed with FEM simulation in present tectonic stress field,and landslide of right bank is computed with unequal thrust method,then makes analysis of the results and concludes that the dam abutment's side slope of left bank is on the state of sress release and landslide of right bank is on the stress relaxation condition under the present tectonic stress field,and the dam abutment's side slope is stable under the natural condtion,the landslide of right bank is also stable under the various condtions.
- side slope /
- landslide /
- FEM simulation /
- stability