2021 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1C01-06] Waste

Wed. Sep 8, 2021 10:20 AM - 12:00 PM Room C

chair: Taiji Chida (Tohoku Univ.)

11:35 AM - 11:50 AM

[1C06] Preliminary analysis of long-term evolution for geological environment around drift in the Horonobe Underground Research Laboratory

*Mitsuo Gohke1, Mitsunobu Okihara1, Tsuneyuki Maemura2, Ryo Yasuda2, Hiroya Matsui3, Yusuke Ozaki3, Akihito Mochizuki3 (1. Shimizu, 2. Dia Consultants, 3. JAEA)

Keywords:Geological disposal, Retrievability, Geological environment, Excavation damaged zone, Creep deformation, Two-phase flow analysis, Unsaturated zone

本研究ではHLWの地層処分における回収可能性維持の影響評価手法の構築の一環として、幌延深地層研究センターを事例とし地質環境概念モデルの構築と坑道維持を続けた場合の周辺地質環境の長期変遷に関する予察解析を行った。