MMIJ 2025, Sapporo
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Session Details

General Session

(General session) Rock Engineering / Mining technologies

Thu. Sep 4, 2025 1:00 PM - 2:40 PM JST
Thu. Sep 4, 2025 4:00 AM - 5:40 AM UTC
Room-1(212, 2Fl, C Block)
Chairperson: 清水賀之（イタスカジャパン）

●岩盤工学：岩盤の力学特性，地山応力など、地下の岩盤の状態の把握に必要な基礎的な試験技術，解析技術、そしてこうした技術を用いたケーススタディについて議論を行う。

●資源開発技術：エネルギーや金属鉱物などの資源の開発に必要な上流から下流までの開発・生産の技術に関する科学的・技術的な現状および課題について議論を行う

(Presentation: 15 minutes allotted for lecture and 5 minutes for Q&A out of 20 minutes per presentation)
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[3108-12-01]Stress Measurement of Shaft Lining Concrete and Attempt to Estimate In-Situ Stress in the Horizontal Plane Around the Shaft

○Kazumichi Kuwabara1, Masaharu Itamoto1, Shouetsu Ooyama1, Takayuki Motoshima2, Tomoyuki Nishitani2, Daigo Fujieda3, Kazuki Togase3, Kazuhei Aoyagi3 (1. Wesco Incorporated , 2. Taisei Corporation, 3. Japan Atomic Energy Agency)
司会：清水賀之（イタスカジャパン）
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[3108-12-02]Effect of artificial water injection in groundwater level decline area at Kikuma National Petroleum Stockpiling Base

○Keita Watanabe1, Mitsugu Yamashita1, Tsukasa Nishihara1, Yuhei Senba1, Yasushi Fujimoto2, Hiroshi Suenaga3, Shinichi Tanikawa4 (1. Japan Underground Oil Storage Co., Ltd., 2. Chi-ken Sogo Consultants Co., Ltd., 3. Central Research Institute of Electric Power Industry, 4. JX Metal Resources Exploration and Development Co., Ltd.)
司会：清水賀之（イタスカジャパン）
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[3108-12-03]Development of Digital Twin Technology for Nature-Positive Management of Abandoned
and Closed Mines

○Reiko Hamaguchi1[Student presentation: Bachelor’s course], Naohiro Ohtsuka1, Tetsuo Yasutaka2,1, Saburo Yamagata3, Shota Kuroshima3, Kei Shingai3, Natsuo Okada1, Yoko Ohtomo1, Youhei Kawamura1 (1. Hokkaido University, 2. National Institute of Advanced Industrial Science and Technology, 3. Mitsubishi Materials)
司会：清水賀之（イタスカジャパン）
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

[3108-12-04]Development of ground surface observation technology combining satellite images and drone images at resource development sites

○Kazuhide Sumida1[Student presentation: Master’s course], Hisatoshi Toriya1, Tsuyoshi Adachi1 (1. Akita-university)
司会：清水賀之（イタスカジャパン）
2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

[3108-12-05]Understanding the learning mechanism of the deep learning model in iron ore grade estimation

○Narihiro Owada1, Toriya Hisatoshi1, Adachi Tsuyoshi1 (1. Akita University)
司会：清水賀之（イタスカジャパン）
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