Presentation Information
[VI-369]Regarding emergency measures against sudden spring water and efforts to restart excavation
*Kirara Osanai1, Yasuo Yoshihira1, Itaru Suwa1, Yosuke Yamaguchi2 (1. NISHIMATSU CONSTRUCTION CO.,LTD., 2. Japan Railway Construction, Transport and Technology Agency)
Keywords:
sudden spring water,fracture zone,Above ground cave-in,tunnel,early closure
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