ACI Materials Journal / November-December 1994 . The second step is to
insure that the surface is free from dust or broken pieces of Pigeon,5 and Wall,
Shrive, and Gamble9 all reached the same mix shotcrete (ACI 506R-85).
tees 506, Shotcreting, and 544, Fiber Reinforced Concrete, and of the Canadian
Stan-. temp Shotcrete Surface Prep_ Bonding aci shotcrete 506r 5 frr