[VI-737] Development of remote control technology of shotcrete (Part 1)
Keywords:Mountain tunnel, shotcrete, remote control, working environment improvement, safety improvement, construction efficiency improvement
Shotcrete in mountainous tunnels is one of the concerns about the health of workers. In addition, most tunnel disasters are concentrated on face work, and shotcrete is also performed by workers in close proximity to the face, so the probability of damage is high. Therefore, Kumagaigumi developed a technology for constructing shotcrete by remote control from a location away from the face for the purpose of "improvement of working environment" and "improvement of safety" and "efficiency of construction" in face work. The effectiveness and feasibility were confirmed by the test construction.
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