地下構造物(2)/開削トンネル

[VI-135] Performance confirmation trial of the tunnel entrance water cut-off device in rectangular element jacking method

〇Takashi Tanaka¹, Tomokazu Ohno², Yuta Chanoki², Masayuki Oyama¹, Hirofumi Tanaka¹ (1.TODA CORPORATION, 2.Japan Railway Construction, Transport and Technology Agency)

Keywords:outer shell preceding construction, rectangular element, joint, tunnel entrance water cut-off device, rubber packing, water cut-off performance