Fig.8-9  Fracture distribution at the GL -500 m gallery and layout of the Mizunami Underground Research Laboratory

Fig.8-9 Fracture distribution at the GL –500 m gallery and layout of the Mizunami Underground Research Laboratory

Fractures with groundwater inflow comprise approximately 10% of all known fractures (146 of 2002 fractures) at the GL –500 m level. A highly fractured zone extends approximately 60 m from the fault.

Go back by your web browser, or click the right button.« Close