| 坝基加固后锦屏一级高拱坝应力变形计算分析 |
| |
| 引用本文： | 胡著秀,张建海,周钟,饶宏玲. 坝基加固后锦屏一级高拱坝应力变形计算分析[J]. 红水河, 2009, 28(4): 65-71 |
| |
| 作者姓名： | 胡著秀 张建海 周钟 饶宏玲 |
| |
| 作者单位： | 四川大学水力学及山区河流开发与保护国家重点实验室,水电学院,四川,成都,610065;中国水电顾问集团成都勘测设计研究院,四川,成都,610072 |
| |
| 摘 要： | 锦屏一级高拱坝坝址地质条件复杂,其基础加固处理工程巨大,主要包括:左岸混凝土垫座置换、左岸传力硐、左岸f5、f8、煌斑岩脉混凝土网格置换,右岸f13、f14断层混凝土网格置换.文中采用非线性有限元分析方法,对坝基加固后锦屏一级水电站坝体在多种工况下的应力变形特性进行了计算分析.给出了坝体蓄水期的应力位移分布及超载、降强对位移的影响结果,表明蓄水期坝体总体变形规律比加固前明显改善,坝踵拉应力减小.加固后坝体与坝基安全储备能力提高,可以满足设计要求.
|
| 关 键 词： | 有限元法 变形 应力 高拱坝 锦屏一级水电站 |
Analysis on Stress and Deformation of Jinping I High Arch Dam after Foundation Reinforcement |
| |
| HU Zhu-xiu,ZHANG Jian-hai,ZHOU Zhong,RAO Hong-ling. Analysis on Stress and Deformation of Jinping I High Arch Dam after Foundation Reinforcement[J]. Hongshui River, 2009, 28(4): 65-71 |
| |
| Authors: | HU Zhu-xiu ZHANG Jian-hai ZHOU Zhong RAO Hong-ling |
| |
| Affiliation: | 1.State Key Lab of Hydraulics and Mountainous River Engineering;College of Water Resources and Hydropower;Sichuan University;Chengdu;610065;2.Chengdu Hydroelectric Investigation and Design Institute;CHECC;610072 |
| |
| Abstract: | The complex geological conditions at the site of Jinping I Arch Dam makes its reinforcement measures a huge project,which mainly includes concrete seating replacement,shearing resistant adit,with the fault f13,f14 on the right bank,fault f5,f8 and lamprophyre veins on the left bank treated with concrete lattice replacement.By employing nonlinear finite element analysis,this article gives computing results and detailed discussion on dam stress and deformation characteristics of Jinping I Arch Dam under sever... |
| |
| Keywords: | finite-element method dam stress and deformation high arch dam Jinping hydropower station |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
