Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection VI

山岳トンネル(6)

Fri. Sep 12, 2025 9:30 AM - 10:50 AM JST
Fri. Sep 12, 2025 12:30 AM - 1:50 AM UTC
225
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[VI-1265]Verification of tunnel construction using wide-area 3D Permeating Liquid Flow Analysis.

*Yohei YAMAGUCHI Yamaguchi1, NAOKI IKUSHIMA1, HIDEAKI MIKAMI1, YASUHITO TSUJIKAWA1, KENICHI HOSONO2, YUUSUKE YAMAMOTO2 (1. TODA CORPORATION, 2. Geoscience Research Laboratory)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[VI-1266]Construction results of tunnel with lot of spring water

*Taizo Goda1 (1. Kajima corporation)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[VI-1267]Sudden water intrusion and countermeasures in mountain tunnels in granite areas

*Yuki Hamada1, Takuya Miyake1, Naoto Yoshino1, Takehiro Kanii1, Tsutomu Morifuji1, Shinichi Kawakami2 (1. TODA CORPORATION, 2. Ministry of Land, Infrastructure, Transport and Tourism)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[VI-1268]Groundwater level lowering and face collapse countermeasures in tunnel excavation

*Sho Nakayama1 (1. PENTA-OCEAN CONSTRUCTION CO., LTD.)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[VI-1269]Construction Report on Tunnel Excavation through a Weak Fault-Fractured Zone

*Hironobu Kurita1, Toshiaki Miyoshi1, Akito Sannomiya1, Masaya Miura1, Masatoshi Wako2, Yusaku Otsuka2 (1. Tokyu Construction Co., Ltd., 2. Japan Railway Construction, Transport and Technology Agency)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[VI-1270]Improving the Applicability of T-DrillPacker®Jumbo- A Measurement system for Hydraulic Pressure ahead of the Tunnel Face using Drill Jumbo

*Claudia Fujita1, Yusuke Hiratsuka1, Sou Kumamoto1 (1. Taisei Corporation)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[VI-1271]Feasibility Study of New Packer System Applicable to Rough Borehole Walls for “T-DrillPacker® Jumbo” Hydraulic Pressure Measurement System using Drill Jumbo

*Sou Kumamoto1, Claudia Fujita1, Yusuke Hiratsuka1, Hiroyasu Hirayama2, Yusuke Hosoda2 (1. Taisei Corporation, 2. Fujimori Sangyo Co., LTD)
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

[VI-1272]Data Collection System for Groundwater Measurement in Forward Drilling

*Yusuke Hiratsuka1, Sou Kumamoto1, Toru Abe1, Keizou Soga1 (1. Taisei Corporation)
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