Ryuji Takeuchi

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Speaker, Author, Co-Author

One-off sessions

[E] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-GE Geological & Soil Environment

[A-GE40] Subsurface Mass Transport and Environmental Assessment

[AGE40-P03] Fracture domain of granite based on orientation analysis and its relation to water conducting fractures: an example from the “-500m access/research gallery-North” of the Mizunami Underground Research Laboratory

*Koji Shimada¹, Masakazu Niwa¹, Ryuji Takeuchi¹, Kenji Amano¹ (1.Japan Atomic Energy Agency)

One-off sessions

[J] Oral
| H (Human Geosciences )
| H-CG Complex & General

[H-CG28] Nuclear Energy and Geoscience

[HCG28-01] Quick identification of water-conducting fractures in an underground tunnel using a trace methane gas measurement by cavity ring-down spectroscopy: a case study in the Mizunami Underground Research Laboratory, central Japan

*Masakazu Niwa¹, Kenji Amano², Ryuji Takeuchi¹, Koji Shimada¹ (1.Tono Geoscience Center, Japan Atomic Energy Agency, 2.Geological Disposal Research and Development Department, Japan Atomic Energy Agency)

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