Pipeline and manhole repair and reinforcement method using repair mortar and reinforcement material with excellent waterproof and anti corrosion performance

摘要

The present invention is the step of removing foreign matter on the inner periphery of the old pipeline or manhole (S10); Installing a reinforcing material including a wire mesh on the inner periphery of the old pipeline (S20); And a repair mortar composition comprising cement, blast furnace slag, calcium carbonate powder, acrylic resin, vinyl resin, expander, potassium hydrogen carbonate, anhydrous gypsum, reinforcing fibers, dispersants, acid-resistant admixtures, and silica sand, to the inner periphery of the aged pipeline. It characterized in that it comprises a; step (S30) to pour to be impregnated.