リニューアル (2)

[VI-342] Development of repair machinery in conduit tunnels

*Katsuki Haruta¹, Atsushi Morita¹, Hideaki Asai¹, Kazuhiko Mizutani¹, Osamu Minami², Masaki Minami², Ryuji Nishiyauti² (1. MAEDA corporation, 2. MINAMIGUMI corporation)

Keywords:conduit tunnels, Automatic spraying, Automatic plasterer, Labor saving