PRE-MIXED COMPOSITION FOR DRY-METHOD SHOTCRETE IN REPAIR CONSTRUCTION

摘要

A premix composition for dry typed shotcrete for a repair work is provided to obtain a quality of a high endurance property and a rapid hardening and to minimize a generation of dust and rebound. A premix composition for dry typed shotcrete for a repair work(100) comprises an ultra rapid harding cement of 100 weight%, an aggregate, a silica fume of 3~13 weight%, a dust decreaser of 0.01~3.0 weight% and a tackifier of 0.01~3.0 weight%. The premix composition for dry typed shotcrete for a repair work additionally comprises a powder polymer.