Wet Shotcrete Machine - Concrete Pump, Concrete
2009-9-12 · using wet-mix shotcrete supplied when required with a volumetric mixer, as shown in Fig. 5. The shotcrete was applied with a robotic arm. Up to 78 yd³ (60 m³) were placed in a 10-hour shift and the wet-mix shotcrete process was selected for rapidity and cost considerations. The tunnel was excavated with a tunnel-boring machine (TBM)
Get Price