... and highway etc.. PZ-Series Shotcrete machine:PZ-series Dry Mix Shotcrete Machine, as the solution for damp-mix ... shear Walls, retaining Walls, bridge retrofits, architectural concrete, mining, tunnel, culvert, subway, hydropower engineering(such as tunnels ... , shear Walls, retainingWalls, bridge retrofits, architectural concrete, mining, tunnel, culvert, subway, hydropower engineering(such as tunnels ...