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Report No.

Development of modeling methodology for hydrogeological heterogeneity of the deep fractured granite in Japan

Onoe, Hironori ; Ishibashi, Masayuki*; Ozaki, Yusuke  ; Iwatsuki, Teruki  

In this study, we investigated the methodology of modeling for fractured granite around the drift at a depth of 500 m in the Mizunami Underground Laboratory, Japan as a case study. As a result, we developed the fracture modeling method to estimate not only geological parameters of fractures but also hydraulic parameters based on the reproducibility of trace length distribution of fractures. By applying this modeling method, it was possible to construct a Discrete Fracture Network (DFN) model that can accurately reproduce the statistical characteristics of fractures.



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Category:Engineering, Geological



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