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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
ISSN : 2288-5471(Online)
단열대의 영향을 고려한 블록 규모 단열 암반에서의 지하수 유동 모의
Groundwater Flow Modeling in a Block-Scale Fractured Rocks considering the Fractured Zones
Abstract
The block-scale groundwater flow system at Olkiluoto site in Finland was simulated. The heterogeneous and anisotropic hydraulic conductivity field for the domain was constructed from the discrete fracture network,which considered only the fractured zones identified in the deep boreholes installed in the study site. The groundwater flow model was calibrated by adjusting the recharge rate and the transmissivities of the fractured zones to fit the calculated hydraulic heads and into- and out-flow rates in the observation intervals of the boreholes with the observed ones. In the calibrated model, the calculated flow rates at some intervals were not in accordance with the observed ones although the calculated hydraulic heads fit well with the observed ones, which revealed that the number of the conduits for groundwater flow is insufficient in the conceptual model for groundwater flow modeling. Therefore, it was recommended that the potential local conduits such as background fractures should be added to the present conceptual model.
블록규모 지하수 유동 모의, 단열대, 수리전도도장, 개념모형, block-scale groundwater flow modeling, fractured zone, hydraulic conductivity field, conceptual model
Reference
JNFCWT
Online Submission
Korean Radioactive
Waste Society (KRS)
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