放射性廃棄物処分 (1)

[CS12-03] Long-term analysis of geo-environmental behavior of rock mass around a drift in the Horonobe Underground Research Laboratory; Part 2: Long-term hydrological analyses

*Ryou Itou¹, Tsuneyuki Maemura¹, Hiroya MATSUI², Yusuke OZAKI², Akihito MOCHIZUKI², Mitsuo GOHKE³, Mitsunobu OKIHARA³, Satohito TOGURI³ (1. Dia Consultants Co., Ltd., 2. Japan Atomic Energy Agency, 3. Shimizu Corporation)

Keywords:high-level radioactive waste, retrievability, geo-environment, excavation damaged zone, two-phase flow analysis, unsaturated zone