MMIJ 2021,Sapporo
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Session Details

Special session

(Special session/Open call for public) YARO15: Research activities on rock engineering during the COVID-19 pandemic

Thu. Sep 16, 2021 8:45 AM - 11:50 AM JST
Thu. Sep 16, 2021 11:45 PM - 2:50 AM UTC
Room-1 Webex
Chairman:Naoto KAMOSHIDA (Iwate University), Atsushi SAINOKI (Kumamoto University)
8:45 AM - 8:50 AM JST(11:45 PM - 11:50 PM UTC)

[3K0101-08-1add]Opening Address

Chairman:Naoto KAMOSHIDA (Iwate University)
8:50 AM - 9:10 AM JST(11:50 PM - 12:10 AM UTC)

[3K0101-08-01]Evaluation of pore closure and improvement of water permeability by mineral deposition using enzyme

○Takumi Mori1, Arkin Eldan1, Akira Sato1 (1. Kumamoto University)
Chairman:Naoto KAMOSHIDA (Iwate University)
9:10 AM - 9:30 AM JST(12:10 AM - 12:30 AM UTC)

[3K0101-08-02]Observation of water distribution inside rock specimens using X-ray computed tomography

○Kimihiro Hashiba1, Katsunori Fukui1, Keisuke Mori1, Kentaro Masuoka2, Sou Kumamoto2, Hajime Yamamoto2 (1. The University of Tokyo, 2. Taisei Corporation)
Chairman:Naoto KAMOSHIDA (Iwate University)
9:30 AM - 9:50 AM JST(12:30 AM - 12:50 AM UTC)

[3K0101-08-03]Air Coating Effects on Perforation Performances of Submerged Waterjets

○Akihisa Kizaki1, Kazuki Isoda1, Tadao Imai1 (1. Akita University)
Chairman:Naoto KAMOSHIDA (Iwate University)
9:50 AM - 10:10 AM JST(12:50 AM - 1:10 AM UTC)

[3K0101-08-04]Development of international research collaboration under COVID-19 - based on subcritical crack growth measurement -

○Yoshitaka Nara1 (1. Kyoto University)
Chairman:Naoto KAMOSHIDA (Iwate University)
10:10 AM - 10:30 AM JST(1:10 AM - 1:30 AM UTC)

[3K0101-08-6add]Break

10:30 AM - 10:50 AM JST(1:30 AM - 1:50 AM UTC)

[3K0101-08-05]Characteristics of hydraulically induced fractures by laboratory experiment in shale samples

○Youqing CHEN1, Makoto Naoi1, Shimpei Ito1, Tsuyoshi Ishida1, Yoshiharu Ito2, Yutaro Arima2 (1. Kyoto University, 2. JOGMEC)
Chairman:Atsushi SAINOKI (Kumamoto University)
10:50 AM - 11:10 AM JST(1:50 AM - 2:10 AM UTC)

[3K0101-08-06] [Student presentation:Doctoral course] Modification of the 2-D Simple Constitutive Model for Rocks based on the Strain-dependent Elastic Modulus

○Zhaoxin Li1, Yoshiaki Fujii1, Jun-ichi Kodama1, Daisuke FukudaFukuda1 (1. Hokkaido University)
Chairman:Atsushi SAINOKI (Kumamoto University)
11:10 AM - 11:30 AM JST(2:10 AM - 2:30 AM UTC)

[3K0101-08-07]Brittle creep failure as the rockburst mechanism at Mufulira Mine, Copperbelt Province, Zambia

○Pardon Sinkala1, Yoshiaki Fujii1, Jun-ichi Kodama1, Daisuke Fukuda1, Ellan Chanda2 (1. Hokkaido University, 2. Mopani Copper Mines Plc)
Chairman:Atsushi SAINOKI (Kumamoto University)
11:30 AM - 11:50 AM JST(2:30 AM - 2:50 AM UTC)

[3K0101-08-08]EFFECTS OF EXCAVATION AT THE FOOT OF CLAY ZONE ON ROCK SLOPE DEFORMATION IN A LIMESTONE OPEN-PIT QUARRY

○Clement Amagu1, Cheng Zhang1, Kazuki Minami1, Jun-ichi Kodama1, Kazuyuki Shioya2, Tomoyuki Yamaguchi2, Atsushi Sainoki3, Daisuke Fukuda1, Yoshiaki Fujii1 (1. Hokkaido University, 2. Nittetsu Mining Co. Ltd., 3. Kumamoto University)
Chairman:Atsushi SAINOKI (Kumamoto University)
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