Numerical Long-Term Stability of Dam Abutment Resistance Body for a Hydropower Station in Southwest China
详细信息
- 责任者：Yang Genlan (College of Resources and Environment Engineering ; Guizhou University ; Guiyang 550003 ; China) ; Huang Runqiu
- 刊名：Journal of Engineering Geology
- 出版年：2011
- 卷期：19(4)
- 关键词：岩体稳定性 ; rock mass stability ; 西南地区 ; Southwest China
- 页码：p.626-632
- 图表：10 illus., 5 tables, 5 refs.
- 分类号：1702
- 出版序号：1367
- issnNo：ISSN1004-9665
- isbnNo：CN11-3249/P
摘要
On the basis of altered rock rheological property and its viscous-elastic-plastic constitutive model, the stress and deformation fields characteristics in the resistance body slope have been simulated with 3D numerical method during the reservoir operation period. The results show that the third stress field is formed after 6 months of water storage. The dam abutment resistance body is in the most dangerous situation. Local destruction between altered rock and fault may appear. According to the simulated deformation value and plastic zones after 5 years of water storage, the abutment resistance body of the whole dam is in a long-term stable state.