Development of an emergency watertight bulkhead (watertight balloon) in the event of water inrush into shield tunnel. - Part 1: Technical Overview

Katsuhito Fukuta

4:20 PM - 4:30 PM

[VI-178] Development of an emergency watertight bulkhead (watertight balloon) in the event of water inrush into shield tunnel. - Part 1: Technical Overview

*Katsuhito Fukuta¹, Hideki Nagatani¹, Kenichi Kawano¹, Takumi Nakashima¹, Susumu Kamei², Ryuuichi Nagaoka², Takeshi Mori², Shinya Kudou², Kazushi Ozawa², Kouji Iyota², Akira Kai², Motoki Ichihara² (1. Kajima Corporation, 2. Hoshin Co., Ltd.)

Keywords:Shield construction method, water inrush accident, emergency watertight bulkhead, balloon method

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[VI-178] Development of an emergency watertight bulkhead (watertight balloon) in the event of water inrush into shield tunnel. - Part 1: Technical Overview