REPAIR METHOD OF CORRUGATED PIPE AND PIPE STRUCTURE OF REPAIR JOINT SET

To provide a repair method of a corrugated pipe which can repair a repair point of the corrugated pipe by easy work.SOLUTION: A repair method of a corrugated pipe 10 having a repair point between a first large-diameter part 11A and a second large-diameter part 11B has: a first step for arranging a first trough filling material 30A at an external periphery of a small-diameter part 12A which adjoins the first large-diameter part 11A; a second step for arranging a second trough filling material 30B at an external periphery of a small-diameter part 12B adjoining the second large-diameter part 11B; a third step for arranging first seal parts 40A at external peripheries of the first large-diameter part 11A and the first trough filling material 30A; a fourth step for arranging second seal parts 40B at external peripheries of the second large-diameter part 11B and the second trough filling material 30B; and a fifth step for attaching a repair joint 20 so as to cover the first seal part 40A and the second seal part 40B.SELECTED DRAWING: Figure 1 【課題】波形管の被補修箇所を簡単な作業で補修することができる波形管の補修方法を提供する。【解決手段】第１大径部１１Ａと第２大径部１１Ｂとの間の被補修箇所Ｒを有する波形管１０の補修方法であって、第１大径部１１Ａと隣接した小径部１２Ａの外周に第１谷埋材３０Ａを設ける第１工程と、第２大径部１１Ｂと隣接した小径部１２Ｂの外周に第２谷埋材３０Ｂを設ける第２工程と、第１大径部１１Ａおよび第１谷埋材３０Ａの外周に第１シール部４０Ａを設ける第３工程と、第２大径部１１Ｂおよび第２谷埋材３０Ｂの外周に第２シール部４０Ｂを設ける第４工程と、第１シール部４０Ａおよび第２シール部４０Ｂを覆うように補修継手２０を装着する第５工程とを有する。【選択図】図１