A study on coal mining under large reservoir areas |
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| Authors: | Xiong Wu Xiao-Gang Wang Xiao-Wei Jiang Qing-Wei Duan Yan-Dong Sun Hong Tian Zhi-Xin Jia |
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| Institution: | (1) School of Water Resources and Environment, China University of Geosciences, Beijing, 100083, China;(2) China Institute of Water Resources and Hydropower Research, Beijing, 100044, China |
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| Abstract: | At present, the easily mineable coal resources have been depleted in China, and it is very necessary and urgent to mine under
hydraulic projects for continuous production and sustainable development of the society. In this paper, the coal field of
Shenjiazhuang Colliery, which mostly lies under the Yuecheng reservoir area, is studied. By using a comprehensive study involving
field engineering geologic survey, indoor rock mechanics test, in situ test, statistical analysis of mine well discharge,
water quality analysis, theoretical calculation and numerical simulation, it is concluded that coal mining would not affect
safe operation or bring any secondary geological hazard to the reservoir area. This paper provides an important scientific
basis for achieving double profits for both departments of water and coal resources and helping departments related make further
decisions. In addition, the research reported in the current paper can be served as a reference for similar projects, such
as the coal mines under the Xiaolangdi reservoir area, under the Xifeihe Dam and under the mid-route South-to-North Water
Transfer Project. |
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| Keywords: | Coal mining under the reservoir area Surface movement Leakage in the reservoir area Geological hazard Safe operation |
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