1. Shotcrete

Shotcrete is concrete that is sprayed onto a substrate using a lance and a compressed-air jet. . It is used in structures when concrete casting becomes an impossible or too delicate operation and, in particular, in the following cases:

• filling cavities (relining damaged concrete areas, re-coating rebar after stripping);

• masonry pointing ;

• execution of protective surface layer ;

• increase in concrete cross-sectional strength ;

• coating of new reinforcement for structural reinforcement ;...