| 各向异性对土石坝渗流的影响分析 |
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| 引用本文： | 戚印鑫,孙娟,张明义,茹克亚·吐尔逊.各向异性对土石坝渗流的影响分析[J].四川水力发电,2009,28(Z2). |
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| 作者姓名： | 戚印鑫 孙娟 张明义 茹克亚·吐尔逊 |
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| 作者单位： | 新疆水利水电科学研究院,新疆,乌鲁木齐,830049 |
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| 摘 要： | 土体的各向异性是普遍存在的。利用有限元法计算土石坝加固前后浸润线的分布情况,坝后渗透坡降的变化规律,得出各向异性的存在对土石坝的渗透稳定危害更大的结论。提出了在今后的计算中,需要合理确定不同方向的渗透系数,使计算结果符合实际情况。
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| 关 键 词： | 各向异性 渗流计算 土石坝 浸润线 渗透坡降 |
Effects of Anisotropy on Seepage Through Earth and Rockfill Dam |
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| QI Yin-xin,SUN Juan,ZHANG Ming-yi,Rukeya·Tuerxun.Effects of Anisotropy on Seepage Through Earth and Rockfill Dam[J].Sichuan Water Power,2009,28(Z2). |
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| Authors: | QI Yin-xin SUN Juan ZHANG Ming-yi Rukeya·Tuerxun |
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| Affiliation: | Xinjiang Water Resources and Hydroelectric Science Research Institute;Urumchi;Xinjiang;830049;China |
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| Abstract: | Soil generally possesses anisotropic property . Finite element method is used to evaluate seepage line distribution before and after stabilization of earth-rock dam and then based on the change rule of permeability gradient behind the dam, we could draw a conclusion that presence of anisotropic property in earth and rockfill dam considerably endangers the structure stability against seepage. It is necessary to determine permeability coefficients in different directions in future calculations in accordance w... |
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| Keywords: | anisotropy seepage calculation earth and rockfill dam seepage line permeability gradient |
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