MMIJ 2025, Sapporo
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Session Details

General Session

(General session) Rock Engineering / Mining technologies

Tue. Sep 2, 2025 1:00 PM - 4:50 PM JST
Tue. Sep 2, 2025 4:00 AM - 7:50 AM UTC
Room-1(212, 2Fl, C Block)
Chairperson: 奈良禎太（京都大学）、才ノ木敦士（熊本大学）、吉光奈奈（京都大学）

●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)

[1110-19-01]Simulation of room-and-pillar mining at Kushiro Colliery, Japan

○Zheng Li1[Student presentation: Doctoral course], Yoshiaki Fujii1, Jun-ichi Kodama1, Hiroyuki Matsumoto2, Tamotsu Kiyama3 (1. Hokkaido University, 2. Kushiro Coal Mine, 3. Northern Rock)
司会：奈良禎太（京都大学）
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[1110-19-02]Evaluation of the shielding property of porous rocks by enzyme-induced calcite precipitation Method

○Mana Hatano1[Student presentation: Master’s course], Ayato Kobayashi1, Ruito Hirose1, Akira Sato1 (1. Kumamoto University)
司会：奈良禎太（京都大学）
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[1110-19-03]Behavior analysis of a rock drill in percussive drilling tests

○Shohei Denda1[Student presentation: Master’s course], Kimihiro Hashiba1, Yusuke Iwazaki2, Toshio Matsuda2, Katsunori Fukui1 (1. The university of Tokyo, 2. Furukawa Rock Drill)
司会：奈良禎太（京都大学）
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

[1110-19-04]Effect of Bit Spacing on Cutting Efficiency in Sequential Edge Chipping Tests

○JIACHENG SONG1[Student presentation: Doctoral course], Kimihiro Hashiba1, Katsunori Fukui1 (1. The University of Tokyo)
司会：奈良禎太（京都大学）
2:20 PM - 2:35 PM JST(5:20 AM - 5:35 AM UTC)

[1110-19-5add]Break

2:35 PM - 2:55 PM JST(5:35 AM - 5:55 AM UTC)

[1110-19-05]Development and Validation of a Custom Divided-Bar Apparatus for Accurate Thermal Conductivity Measurements in Rock Core Samples

○Prasad Chathurangana Karunarathne1[Student presentation: Doctoral course], Weiren Lin1 (1. Department of Urban Management, Kyoto University)
司会：才ノ木敦士（熊本大学）
2:55 PM - 3:15 PM JST(5:55 AM - 6:15 AM UTC)

[1110-19-06]A simple shear testing method for rocks using a uniaxial compression machine and a constant-pressure loading device

○Kotaro Kusada1[Student presentation: Master’s course], Guohao Ma1, Eiichi Fukuyama1 (1. Kyoto university)
司会：才ノ木敦士（熊本大学）
3:15 PM - 3:35 PM JST(6:15 AM - 6:35 AM UTC)

[1110-19-07]The influence of crack geometry on transmitted elastic wave velocity and phase anisotropy in fine-grained rocks

○Koki Morimoto1[Student presentation: Master’s course], Nana Yoshimitsu1, Hironori Kawakata2 (1. Kyoto University, 2. Ritsumeikan University)
司会：才ノ木敦士（熊本大学）
3:35 PM - 3:50 PM JST(6:35 AM - 6:50 AM UTC)

[1110-19-9add]Break

3:50 PM - 4:10 PM JST(6:50 AM - 7:10 AM UTC)

[1110-19-08]Investigation of the Mechanism of Surface Displacement Occurrence during Rainfall in Cracked Coverlock Type Rock Slope

○Akihiro Masunaga1[Student presentation: Master’s course], Atsushi Sainoki1 (1. Kumamoto university)
司会：吉光奈奈（京都大学）
4:10 PM - 4:30 PM JST(7:10 AM - 7:30 AM UTC)

[1110-19-09]Wavefield Simulation in Poroelastic Media for Reservoir Detection

○Risa Horie1[Student presentation: Master’s course], Eiichi Fukuyama1 (1. Kyoto University)
司会：吉光奈奈（京都大学）
4:30 PM - 4:50 PM JST(7:30 AM - 7:50 AM UTC)

[1110-19-10]Improvement of Identification Accuracy of Minerals from Visible and Reflected Infrared Remote Sensing Imagery by Spatially Constrained Spectral Nonlinear Unmixing Methods

○Masahide Kishimoto1[Student presentation: Doctoral course], Taiki Kubo1, Katsuaki Koike1 (1. Kyoto University)
司会：吉光奈奈（京都大学）
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