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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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This study aims at the proposal of primal direction which can maximize the management and utilization of groundwater with minimization of the effects on surface and groundwater resources may be changed according to the construction of underground structure through 3-D groundwater movement analysis using finite differential method for the analysis of hydraulic and hydrologic characteristics and groundwater movement system variation according to construction of underground structure in study area. It is found that the calculated groundwater head is almost in accord with the observed groundwater head at steady state as the relative error percentage which is the hydraulic effect according to construction of Mugeo tunnel ranges from 0.04 to 4.26. The differences between the observed and the calculated groundwater heads at existing well are max. 14.07m, 11.28m, and 8.39m in groundwater movement analysis, the non-steady flow analysis, after 6, 12, and 24 months from the construction of the tunnel. It is known that the groundwater head in the upper area of the tunnel drops up to about 20m and in the lower area of the tunnel drops about 10m from the result of the simulation after 24 months from the completion of the construction. It is examined that the largest differences of groundwater heads are 7.23m and 8.39m at MG16 and MG17, respectively, and the smallest differences are 0.06m and 0.16m at TB7 and MG8, respectively in analysis of groundwater movement after 24 months from the excavation of the tunnel.
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