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| 无限深透水地基上土石坝坝基垂直防渗研究 | |
| 引用本文： | 侍克斌,袁莹,曾祥惠.无限深透水地基上土石坝坝基垂直防渗研究[J].人民黄河,2010,32(1). |
| 作者姓名： | 侍克斌 袁莹 曾祥惠 |
| 作者单位： | 1. 新疆农业大学,水利与土木工程学院,新疆,乌鲁木齐,830052 2. 华北水利水电学院,河南,郑州,450011 3. 新疆时代石油工程有限公司,新疆,克拉玛依,834000 |
| 基金项目： | 新疆水利水电工程重点学科基金，新疆高校科研计划重点基金 |
| 摘 要： | 为分析坝基垂直防渗深度对渗流的影响,利用边界元法对无限深透水地基上土石坝的坝基垂直防渗问题,建立数学模型进行了计算。当进行垂直防渗计算时,无限深透水地基的部分边界难以确定。根据边界法的基本原理,假设从防渗墙以下的某一深度找到一条边界,当从该边界解出的未知量相对较小时,可近似认为所假设的边界就是其实际边界。分析结果表明,在同时满足渗透坡降和渗流量的情况下,建在无限深透水地基上的土石坝坝基防渗墙深度一般应选10~13倍水头。 |
| 关 键 词： | 渗流计算 边界元法 无限深透水地基 垂直防渗 防渗墙 |
Study on Vertical Waterproof of Earth-Rock Dam Foundation Situated on Pervious Foundation of Infinite Depth |
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| SHI Ke-bin,YUAN Ying,ZENG Xiang-hui.Study on Vertical Waterproof of Earth-Rock Dam Foundation Situated on Pervious Foundation of Infinite Depth[J].Yellow River,2010,32(1). | |
| Authors: | SHI Ke-bin YUAN Ying ZENG Xiang-hui |
| Affiliation: | SHI Ke-bin1,YUAN Ying2,ZENG Xiang-hui3(1.Xinjiang Agricultural University,Ulumuqi,Xinjiang 830052,2.North China Institute of Water Conservancy & Hydroelectric Power,Zhengzhou,Henan 450002,3.Shidai Petroleum Engineering Co.,Ltd.,Kelamayi,Xinjiang 834000) |
| Abstract: | In order to analyze the influence of vertical waterproof of dam foundation to the seepage,the paper establishes a mathematical model and calculates the vertical waterproof of earth-rock dam foundation situated on the pervious foundation of infinite depth by using the method of boundary element.It is difficult to decide part of boundaries of pervious foundation of infinite depth when calculates vertical waterproof.According to the basic principle of boundary law,it assumes to find a boundary at a certain dep... |
| Keywords: | seepage calculation method of boundary element pervious foundation of infinite depth vertical waterproof cutoff wall |
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