Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル（覆工・吹付）(3)

Thu. Sep 11, 2025 1:30 PM - 2:50 PM JST
Thu. Sep 11, 2025 4:30 AM - 5:50 AM UTC
223
1:30 PM - 1:40 PM JST(4:30 AM - 4:40 AM UTC)

[VI-540]Development of hydraulic flow control valve for concrete lining

*Naoya Takahashi1, Kazunobu Ozasa1, Kenichi Yamamoto1, Hiroshi Obata1 (1. Kumagai Gumi Co., Ltd.)
1:40 PM - 1:50 PM JST(4:40 AM - 4:50 AM UTC)

[VI-541]Effects of Introducing Workforce Reduction and Labor-Saving Technologies of Tunnel Formwork System in Lining Concrete Construction

*Mikio Takahashi1, Haruki Itou1, Takahito Funahashi1, Kazuyuki Chiba1, Yuusuke Yasukouchi1, Seiji Ichinose1, Yoshinori Nunozaki2 (1. Tekken Corporation, 2. MLIT)
1:50 PM - 2:00 PM JST(4:50 AM - 5:00 AM UTC)

[VI-542]Efforts toward labor-saving construction using the lining concrete placing management system ”Lidding concrete Message Board”

*Takumi Yoshida1, NISHIMUIRA MAYUTO1, MIZUTANI KAZUHIKO1 (1. MAEDA CORPORATION)
2:00 PM - 2:10 PM JST(5:00 AM - 5:10 AM UTC)

[VI-543]Development and operation of a high-quality lining construction system for very large cross section tunnels.

*Yuko Sugitani1, Yusuke Miyano1, Naoki Ikushima1, Hideaki Mikami1 (1. TODA CORPORATION)
2:10 PM - 2:20 PM JST(5:10 AM - 5:20 AM UTC)

[VI-544]Improving the quality of lining concrete through Fukko Mult two plus construction methods

*Hirosato Aihara1 (1. MAEDA CORPORATION)
2:20 PM - 2:30 PM JST(5:20 AM - 5:30 AM UTC)

[VI-545]A Study on the Implementation of a System for Improving the Quality of Lining Concrete and Its Effects

*Motoki Tanaka1, Hiroaki Inoue1, Takuya Suzuki1, Hideki Haruyama2 (1. obayashi corporation, 2. nexco east)
2:30 PM - 2:40 PM JST(5:30 AM - 5:40 AM UTC)

[VI-546]The quantitative evaluation of labor-saving effects through the automation of spraying operations

*Yuto Matsuura1, Shu Shono2, Takahiro Shirai1, Tsuyoshi Fukuda1, Yuta Nishidomari1, Keitaro Hamada1 (1. SHIMIZU CORPORATION, 2. Ministry of Land, Infrastructure, Transport and Tourism)
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