| 非恒定降雨入渗下砂土和壤土非饱和性状 |
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| 引用本文： | 孙元元. 非恒定降雨入渗下砂土和壤土非饱和性状[J]. 水利水运工程学报, 2007, 0(1): 61-64 |
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| 作者姓名： | 孙元元 |
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| 作者单位： | 南京水利科学研究院,江苏,南京,210029 |
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| 摘 要： | 采用Gardner提出的对于土壤土-水特征曲线的指数分布假设建立数学模型，通过改变边界条件，对含水层厚度为有限和无穷深的砂土和壤土，在不同非恒定降雨强度条件下土壤非饱和性状分别进行数值模拟，得出了相应的非饱和性状变化情况．
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| 关 键 词： | 非恒定降雨 指数分布 非饱和性状 砂土 壤土 数值模拟 |
| 文章编号： | 1009-640X（2007）01-0061-04 |
| 修稿时间： | 2006-01-23 |
Unsaturated characteristics of sand and loam soils with unstable rainfall and infiltration |
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| SUN Yuan-yuan. Unsaturated characteristics of sand and loam soils with unstable rainfall and infiltration[J]. Hydro-Science and Engineering, 2007, 0(1): 61-64 |
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| Authors: | SUN Yuan-yuan |
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| Affiliation: | Nanjing Hydraulic Research Institute, Nanjing 210029, China |
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| Abstract: | Based on the exponential distribution hypothesis for the soil-water characteristic curve of soils proposed by Gardner, a mathematical model is developed. By changing the boundary conditions, the unsaturated characteristics of sand and loam soils with finite and infinite depth of water-bearing bed under different unstable rainfall intensities are numerically modeled respectively, and the corresponding variations of unsaturated characteristics are obtained. |
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| Keywords: | unstable rainfall exponential distribution unsaturated characteristics sandy soil loam soil numerical model |
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