| 摘要 |
PROBLEM TO BE SOLVED: To provide a lining method capable of lining a drain horizontal pipe in a state of continuing use of a drain vertical pipe.SOLUTION: The lining method successively executes a pig insertion step of positioning a lining pig in a state of closing a connection side opening 2S of an end part on the side connected to a drain vertical pipe 1 by a lining pig 4 in a drain horizontal pipe 2 by moving to the presence side of the drain vertical pipe 1 by inserting the lining pig 4 connected with a traction rope-like body 3 into the inside of the drain horizontal pipe 2 via a separation side opening 2R of an end part on the side separating from the drain vertical pipe 1 in the drain horizontal pipe 2, a lining agent filling step of filling a lining agent of an uncured state inside the drain horizontal pipe 2 and a lining agent coating step of separating the lining pig 4 from the drain horizontal pipe 2 after coating the lining agent on an inner surface of the drain horizontal pipe 2 by towing the traction rope-like body 3. |
