Shotcrete

Shotcrete, gunite /ˈɡʌnaɪt/ or sprayed concrete is concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface, as a construction technique, first used in 1914.:7 It is typically reinforced by conventional steel rods, steel mesh, or fibers. Shotcrete, gunite /ˈɡʌnaɪt/ or sprayed concrete is concrete or mortar conveyed through a hose and pneumatically projected at high velocity onto a surface, as a construction technique, first used in 1914.:7 It is typically reinforced by conventional steel rods, steel mesh, or fibers.