Effects of temperature and pressure differences on water seepage in breccia |
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| Authors: | Longjun Xu Xingmin Wang Xuefu Xian |
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| Affiliation: | 1. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, 400044, China
2. College of Environmental and Biological Engineering, Chongqing Technology and Business University, Chongqing, 400067, China
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| Abstract: | Effects of temperature and pressure differences on water seepage in breccia were investigated by using the physicochemical seepage instrument. The results show that the relationship of flow and pressure differences can be expressed by a linear equation, and the seepage coefficient is linearly correlated with temperature. The relationship between seepage flow and temperature could be described with the linear equation. The constant and temperature seepage coefficient showed a linear relation with pressure. Binary quantitative equation for the seepage flow, temperature and pressure was obtained, and explained with experimental data and theoretical analysis. |
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| Keywords: | water seepage pressure difference temperature breccia |
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