Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection III

トンネル②

Thu. Sep 11, 2025 10:40 AM - 12:00 PM JST
Thu. Sep 11, 2025 1:40 AM - 3:00 AM UTC
3F D2
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

[III-154]Proposed Method for Calculation of Ground Characteristic Curves

*Kenichi Nakaoka1, Nishimura Tsuyoshi2 (1. OBAYASHI CORPORATION, 2. TOTTRI UNIVERSITY)
10:50 AM - 11:00 AM JST(1:50 AM - 2:00 AM UTC)

[III-155]A study on the setting of design earthquake motion and its influence in underground tunnel design

*Tatsuya Namihira1, Akinori Moriyama1, Kazuya Kusunoki1 (1. JR West Japan Consultants Company)
11:00 AM - 11:10 AM JST(2:00 AM - 2:10 AM UTC)

[III-156]Study on the design of efficient exterior steel arch supports at tunnel portals

*Ayuka Kanuka1, Ryo Kageyama1, Shohei Nagata1, Isamu Otsuka1 (1. TAISEI CORPORATION)
11:10 AM - 11:20 AM JST(2:10 AM - 2:20 AM UTC)

[III-157]A study on construction procedure of double support method for tunnelling by numerical analysis

*Yu Koizumi1, Atsuhi Kusaka1 (1. Public Works Research Institute)
11:20 AM - 11:30 AM JST(2:20 AM - 2:30 AM UTC)

[III-158]Innovative procurement method for rehabilitation of sheet pile method tunnel lining in service

*Ken-Ichi Ishihara1, Toshiyuki Oka1, Atsuo Otsuki1 (1. Central Nippon Expressway Company Limited)
11:30 AM - 11:40 AM JST(2:30 AM - 2:40 AM UTC)

[III-159]Design and construction of preliminary reinforcement with injection in cavities behind the tunnel linings

*Atsuo Otsuki1, Kenichi Ishihara1, Hiroshi Kosaka1, Hiroki Kubo1, Kazutomo Kato2 (1. Central Nippon Expressway Company Limited, 2. Nishimatsu Construction Company Limited)
11:40 AM - 11:50 AM JST(2:40 AM - 2:50 AM UTC)

[III-160]New Lining Renewal method for sheet pile tunnels

*Masaki Matsumoto1, Atsuo Otsuki1, Kenichi Ishihara1, Hiroshi Kosaka (1. Central Nippon Expressway Company Limited)
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