山岳トンネル(2)

[VI-410] IMPROVEMENT OF INVERT CONCRETE PRODUCTIVITY WITH THE INVERT BRIDGE MOUNTING 90 DEGREE ROTATABLE WHEELS

〇Anna Murakami¹, Hidetoshi Kotsuji², Yukihide Juukurogi², Taishi Setoguchi¹ (1.Kumagai Gumi , 2.Yatsushiro River and National Highway Office)

Keywords:tunnel, invert concrete, invert bridge, 90 degree rotatable wheel