| Laboratory study of finger flow in layered soils |
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| DOI：10.7606/j.issn.1000-7601.2007.06.23 |
| Key Words: finger flow layered soils wetting front saturated hydraulic conductivity |
| Author Name | Affiliation | | LI Huai-en | Xi’an University of Technology,Xi’an,Shaanxi 710048,China | | LAN Ji-yuan | Qinghai Institute of Environmental Research and Design,Xining,Qinghai 810007,China | | SHI Wen-juan | Xi’an University of Technology,Xi’an,Shaanxi 710048,China | | ZHANG Jian-feng | Xi’an University of Technology,Xi’an,Shaanxi 710048,China | | WANG Zhi | Department of Earth and Environmental Sciences California State University Fresno California USA | | Li He-li | Xi’an University of Technology,Xi’an,Shaanxi 710048,China |
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| Abstract: |
| The finger flow experiment on layered soils, with three typical soils (Xifeng soil, Yulin soil, Xinjiang sand soil) as upper soils and bulky grain as lower soils, in the condition of sufficient water supply indoors was carried out for the relationship between the rate of finger flow and upper soil characteristics.The results show that, the average rate of finger flow was controlled by the hydraulic conductivity rate of upper soil, and there was a good linear relationship between the hydraulic conductivity rate of upper soil and the average rate of finger flow.This is an important conclusion to the forecast of the finger flow characteristics. |
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