| 增设排水廊道对大坝渗流场的影响分析 |
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| 引用本文： | 黄蔚,刘迎曦,孙林柱.增设排水廊道对大坝渗流场的影响分析[J].水科学进展,2001,12(3):385-389. |
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| 作者姓名： | 黄蔚 刘迎曦 孙林柱 |
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| 作者单位： | 1.温州大学建筑与土木工程学院, 浙江温州325027; |
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| 基金项目： | 国家自然科学基金资助项目(59779003) |
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| 摘 要： | 通过对大坝增设排水廊道设计方案的研究,提出了两种含自由面的三维稳态渗流有限元分析算法,即松驰型算法及丢单元法。并比较了两种算法的计算精度,最后用丢单元法对丰满大坝进行了三维渗流分析,得出了在大坝内增开排水廊道会降低下游渗出点的结论,强度计算表明该方案的实施对大坝的安全性能不会造成很大影响。
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| 关 键 词： | 三维无压渗流 有限元算法 松驰型 丢单元 |
| 文章编号： | 1001-6791(2001)03-0385-05 |
| 收稿时间： | 2000-06-28 |
| 修稿时间： | 2000年6月28日 |
3-Dimensional Seepage Analysis Caused byExcavating Another Drainage Corridor in Dam |
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| HUANG Wei,LIU Ying-xi,SUN Ling-zhu.3-Dimensional Seepage Analysis Caused byExcavating Another Drainage Corridor in Dam[J].Advances in Water Science,2001,12(3):385-389. |
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| Authors: | HUANG Wei LIU Ying-xi SUN Ling-zhu |
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| Affiliation: | 1.College of Architecture and Civil Enginneering Wenzhou University, Wenzhou 325027, China;2.Department of Mechanics Dalian University of Technology Dalian 116023, China |
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| Abstract: | Based on research of the design program of excavating another drainage corridor in the dam,two kinds of 3-dimensional static seepage algorithm,the loosen method and the abandoned element method,are given and compared them with analytic solution.Then the abandoned element method is used to research the seepage finite elemenx of the dam of Fongmeng.The conclusion is that it can lower the frozen point at lower reaches for excavating another drainage corridor.The result of strength analysis shows that the program putting into practice'vtill not influent the safety reliability of the dam. |
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| Keywords: | 3-dimeRSional unconfined seepage finite element algorithm loosen method abandoned element method |
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