地中構造物②

[11-3-2-01] Development of new initial stress measurement method for deep sedimentary soft rocks

*Takashi Danjo¹, Koji Ogawa¹, Takeo Tanno¹, Kiyotoshi Sakaguchi², Tatsuya Yokoyama³, Yoshikazu Hironaka⁴, Katsuhiko Ishibashi⁵ (1. OYO Corporation, 2. Tohoku University, 3. Fukada Geological Institute, 4. Radioactive Waste Management Funding and Research Center, 5. Tokyo Electric Power Services Co., Ltd.)

Keywords:initial stress, soft rock, overcoring