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자료유형
학술저널
저자정보
Wang, Zhechao (Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University) Kwon, Sangki (Department of Energy Resources Engineering, Inha University) Qiao, Liping (Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University) Bi, Liping (Geotechnical and Structural Engineering Research Center, Shandong University) Yu, Liyuan (State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology)
저널정보
테크노프레스 Geomechanics & engineering Geomechanics & engineering 제12권 제6호
발행연도
2017.1
수록면
1,003 - 1,020 (18page)

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Estimation of groundwater inflow into underground opening is of critical importance for the design and construction of underground structures. Groundwater inflow into a pilot underground storage facility in China was estimated using analytical equations, numerical modeling and field measurement. The applicability of analytical and numerical methods was examined by comparing the estimated and measured results. Field geological investigation indicated that in local scale the high groundwater inflows are associated with the appearance of open joints, fractured zone or dykes induced by shear and/or tensile tectonic stresses. It was found that 8 groundwater inflow spots with high inflow rates account for about 82% of the total rate for the 9 caverns. On the prediction of the magnitude of groundwater inflow rate, it was found that could both (Finite Element Method) FEM and (Discrete Element Method) DEM perform better than analytical equations, due to the fact that in analytical equations simplified assumptions were adopted. However, on the prediction of the spatial distribution estimation of groundwater inflow, both analytical and numerical methods failed to predict at the present state. Nevertheless, numerical simulations would prevail over analytical methods to predict the distribution if more details in the simulations were taken into consideration.

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