シールドトンネル (8)

[VI-635] Effect of continuous belt conveyor's belt-turning device on construction efficiency improvement

*Naoki Nishimura¹, kazuhiro fukushima¹, toshihiro maeda¹, kouji takada², keita konno², noriaki ikeda², syuuhei madarame³, keisuke obase³ (1. shimizu, 2. East Nippon Expressway , 3. taguchi industry)

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