| 降雨条件下土坡饱和-非饱和渗流分析 |
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| 引用本文： | 谭新,陈善雄,杨明.降雨条件下土坡饱和-非饱和渗流分析[J].岩土力学,2003,24(3):381-384. |
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| 作者姓名： | 谭新 陈善雄 杨明 |
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| 作者单位： | 1. 中国科学院武汉岩土力学研究所,湖北,武汉,430071
2. 厦门市路桥建设投资总公司,福建,厦门,361006 |
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| 基金项目： | 国家自然科学基金(编号:19802021) |
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| 摘 要： | 分析了降雨入渗的过程，提出了降雨概念模型：讨论了如何用饱和—非饱和渗流数值方法分析边坡在不同雨型下的渗流场；分析结果表明：雨水入渗过程受初始渗流场影响很大，初始含水量的大小影响湿润锋的推进。暴雨情形下，雨水入渗缓慢，线部土体保持一定吸力，雨停后渗流场仍有较大变化。
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| 关 键 词： | 饱和非饱和渗流 土坡 有限元 |
| 文章编号： | 1000-7598-(2003)03-0381-04 |
| 收稿时间： | 2002-03-13 |
| 修稿时间： | 2002年3月13日 |
Saturated-unsaturated seepage analysis of slope under rainfall |
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| TAN Xin,CHEN Shan-xiong,YANG Ming.Saturated-unsaturated seepage analysis of slope under rainfall[J].Rock and Soil Mechanics,2003,24(3):381-384. |
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| Authors: | TAN Xin CHEN Shan-xiong YANG Ming |
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| Institution: | Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; Xiamen Company of Road and Bridge Construction Investment, Xiamen 361006, China |
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| Abstract: | Based on the rainfall seepage process analysis ,a rainfall conceptual model is presented; and the method of how to calculate seepage field in a slope under diverse rainfall patterns by numerical analysis of seepage flow through the saturated and unsaturated soils is proposed .Analyzing results show that the rainfall seepage process is affected greatly by the initial seepage field; and initial moisture content has some influence upon the expansion of wetting front If it's raining hard, rainwater seeps so slowly that shallow soil keeps some suction. Although rain stops the seepage field will change greatly. |
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| Keywords: | saturated-unsaturated seepage: slope finite element |
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