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| | 講演要旨(英文) | | A novel method for quantitatively estimating hydraulic permeability in a fractured rock mass is proposed. The method jointly uses a conditioning discrete fracture network under electrical resistivity constraints and Oda's crack tensor theory to estimate hydraulic permeability in a fractured rock. The method makes a better description of fractures, thus a better estimation of hydraulic permeability in a fractured rock mass. We applied our proposed method in estimating hydraulic permeability in a fractured granite of an underground gallery in the Mizunami Underground Research Laboratory in the Tono area, central Japan. Comparing with in-situ hydraulic permeability, it shows that our method is rational in estimating hydraulic permeability of a fractured rock. |
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