REPAIR METHOD FOR BURIED PIPE

摘要

PURPOSE: A repair method for a buried pipe is provided to cut off and to reinforce the crack and damaged part of a pipe at once. CONSTITUTION: The repair method for a buried pipe comprises the steps of: checking the crack and damaged part of a drainpipe and pre-treating the drainpipe to remove impurities and obstacles; preparing sheets formed by placing adhesive resinous materials to reinforce the damaged part of a pipe(10); attaching the sheets around an unmanned packer in order; locating an unmanned packer in the crack and damaged part of the pipe(10), and expanding the body of the unmanned packer to be pressed to the inside of a pipe(10) for appointed hours by injecting compressed air to shift and adhere the sheets attached to the unmanned packer to the crack and damaged part; and releasing compressed air in the unmanned packer, then removing from the pipe(10).