Japan Society of Civil Engineers 2026 Annual Meeting
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Session Details

Section III

トンネル①

Wed. Sep 2, 2026 10:30 AM - 11:50 AM JST
Wed. Sep 2, 2026 1:30 AM - 2:50 AM UTC
Room 405, 4th Floor, Building 1 (Hokkai School of Commerce)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[III-71]An Experimental Study on Improving the Load-Bearing Capacity of New Invert Shapes

*Megumi Yamada1, Mizuki Omori1, Shota Inaba1, Kosuke Kawata1, Nobuharu Isago1, Toshiro Otsu2, Sigekazu Seki2, Hiroyuki Hasegawa2, Taichi Nakamura2, Yu koizumi3 (1. Tokyo Metropolitan University, 2. East Nippon Expressway Company Limited, 3. Public Works Research Institute)
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

[III-72]An Experimental Study on the Behavior of Inverts Considering the Characteristics of Reinforcement Materials and the Effects of External Forces

*Shota Inaba1, Megumi Yamada1, Mizuki Omori1, Kosuke Kawata1, Nobuharu Isago1, Toshiro Otsu2, Shigekazu Seki2, Hiroyuki Hasegawa2, Taichi Nakamura2, Atsushi Kusaka3 (1. Tokyo Metropolitan University, 2. East Nippon Expressway Company Limited, 3. Public Works Research Institute)
10:50 AM - 11:00 AM JST(1:50 AM - 2:00 AM UTC)

[III-73]Experimental Study on the Rationalization of Invert Structures Considering Longitudinal Effects

*Mizuki Omori1, Megumi Yamada1, Shota Inaba1, Nobu Isago1, Kosuke Kawata1, Toshirou Otsu2, Seki Shigekazu2, Hasegawa Hiroyuki2, Nakamura Taichi2, Koki Kikuchi3 (1. Tokyo Metropolitan University, 2. East Nippon Expressway Company Limited, 3. National Research and Development Agency Public Works Research Institute)
11:00 AM - 11:10 AM JST(2:00 AM - 2:10 AM UTC)

[III-74]Centrifuge Shaking Table Model Tests on the Seismic Behavior of Tunnels Considering Excavation-Induced Loosening

*Hiromu Oikawa Oikawa1, Makoto Ishimaru1, Tetsuji Okada1, Le Anhngoc2, Tatsuya Ueda2, Akira Sekiguchi3 (1. Central Research Institute of Electric Power Industry, 2. Nuclear Waste Management Organization of Japan, 3. Civil Engineering Research & Environmental Studies)
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[III-75]Study on Portal Designs for the Toge-yama Tunnel on the Akita Expressway

*Shoya Momiyama1, Shinya Tanaka1 (1. East Nippon Expressway Company Limited)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[III-76]A Study on the Correction of Subgrade Reaction Coefficients Considering Ground Displacement Levels in Cut-and-Cover Railway Tunnels

*Kasumi Kodama1, Ayako Anzai1, Tomoki Sakata1, Kousuke Muroya1, Atsushi Saeki2, Takashi Ushida2 (1. CHUO FUKKEN CONSULTANTS CO.,LTD., 2. Railway Technical Research Institute)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[III-77]Proposal for a method to determine invert installation based on ground conditions

*Yusuke Kato1, Naohiro Yamagata1, Junichi Kitagawa1 (1. East Nippon Expressway Company Limited)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[III-78]A Review of Trends in Analysis Methods for Tunnels under Large Overburden and High Water Pressure

*Yuki Ueno1, Atsuhiro Tamai1, Kohei Sawada1, Tokiyuki IDhida1, Shinji Koike1, Kazuo Sakai1, Syuhei Shibayama1, Toshifumi Akaki1, Atsuhiro Miyagi1 (1. TAISEI CORPORATION)
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