STEEL PIPE REPAIR AND REINFORCEMENT WORK METHOD

摘要

A steel pipe protecting material and a steel pipe repair and reinforcement method using the same are provided to adhere the reinforcing material and foamed polyurethane resin to a cracked site and a part in which the interior part is damaged. A steel pipe reinforcement material(S) comprises a stiffener part formed with T shape in which horizontal and vertical edge intersect; and a reinforcement plate located in the lower part of the reinforcing material, and formed into the long strip shape. A steel pipe repair and reinforcement method comprises: a step of washing a steel pipe(40) using, and is repaired the high pressure washing device; a step of spirally winding the outer circumference of the steel pipe with the protecting material to the state where the injection nozzle(60) is embedded; and a step of integrating the steel pipe and steel pipe protecting material.