| 锦屏一级水电站上游围堰安全评价 |
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| 引用本文： | 杨忠兴,张华.锦屏一级水电站上游围堰安全评价[J].南昌水专学报,2008,27(6). |
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| 作者姓名： | 杨忠兴 张华 |
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| 作者单位： | [1]葛洲坝集团第二工程有限公司,湖北宜昌443002 [2]南昌工程学院图书馆,江西南昌330099 |
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| 摘 要： | 锦屏一级水电站上游围堰采用复合土工膜斜墙加塑性混凝土防渗墙防渗.通过土石坝专用分析软件SEDNA,对上游围堰典型断面进行应力变形平面有限元数值分析,研究堰体和防渗墙的应力、应变特性,以及土工膜的位移和应变,结果表明,堰体和防渗墙的强度、变形及土工膜的伸长率均符合设计要求,整个围堰处于稳定安全状态.
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| 关 键 词： | 塑性混凝土 三轴试验 有限元分析 安全评价 |
Security evaluation of upstream cofferdam in Jinping first stage hydropower station |
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| YANG Zhong-xing,ZHANG Hua.Security evaluation of upstream cofferdam in Jinping first stage hydropower station[J].Journal of Nanchang College of Water Conservancy and Hydroelectric Power,2008,27(6). |
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| Authors: | YANG Zhong-xing ZHANG Hua |
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| Affiliation: | YANG Zhong-xing~1,ZHANG Hua~2(1.The Second Engineering Co Ltd,Gezhouba Group,Yichang 443002,China,2.Library,Nanchang Institute of Technology,Nanchang 330099,China) |
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| Abstract: | An anti-seepage wall with composite geomembrane incline core and plastic concrete is adopted to prevent the water from seeping in the upstream cofferdam of Jinping first stage hydropower station.The finite element numerical analysis of the stress and deformation is conducted for the typical section of upstream cofferdam with a special analysis software SEDNA of embankment dam.The stress-strain behavior of the weir body and anti-seepage wall,displacement and strain of geomembrane are studied.The result indic... |
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| Keywords: | plastic concrete triaxial test finite element analysis security evaluation |
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