METHOD FOR RESTORING FLUID PIPES, PARTICULARLY FOR DRINKING WATER

摘要

A method for restoring fluid pipes produced by the end-to-end coupling of reinforced concrete pipes (1, 2) comprising a thin sheet metal core (3, 4) and reinforcing sleeves (5, 6) at each end thereof. According to the method, the joints are restored from the inside of the pipe by stripping the inside of the joints, welding a joint in the form of a metal sleeve (10) onto the resulting stripped pipe portion (9), positioning bonded joints between respective ones of a plurality of welded joints, and repointing the joints with fresh cement to fill the previously stripped portion (9).