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[VI-438] Measurement of full scale trench excavation model test using a simple soil collapse prediction monitoring system

*Koichi Nagao¹, Ichiyama Daiki¹, Tamate Satoshi², Hori Tomohito², Kikuta Ryouichi³ (1. Sato Kogyo Co., LTD., 2. National Institute of Occupational Safety and Health, Japan, 3. Japan Speed Shore Co., LTD.)

Keywords:soil collapse, trench excavation, occupational accident, full scale model test, simple measurement, collapse prediction