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A platform for research: civil engineering, architecture and urbanism
REPAIR METHOD FOR EXISTING DRAIN PIPE
To provide a repair method capable of repairing an inner surface of an existing drain pipe with excellent workability.SOLUTION: A repair method comprises the steps of: arranging a first elastic member at a predetermined first location of a cut existing drain pipe; increasing the diameter of the first elastic member to close a first portion; inserting a short pipe having an outer diameter smaller than the inner diameter of the existing drain pipe; filling a gap between the inner peripheral surface of the existing drain pipe and the outer peripheral surface of the short pipe with a liquid water stop agent and curing it; and reducing the diameter of the first elastic member and removing it from the existing drain pipe.SELECTED DRAWING: Figure 2
【課題】既設配水管の管内面を作業性良く補修できる補修方法を提供する。【解決手段】切断された既設排水管の所定の第１の箇所に第１の弾性部材を配置する工程と、第１の弾性部材を径大化させることにより、第１の箇所を塞ぐ工程と、既設排水管の内径よりも小さい外径を有する短管を挿入する工程と、既設排水管の内周面と短管の外周面との隙間に液状の止水剤を充填し、硬化させる工程と、第１の弾性部材の径を径小化させて既設排水管から取り外す工程と、を備える補修方法を用いる。【選択図】図２
REPAIR METHOD FOR EXISTING DRAIN PIPE
To provide a repair method capable of repairing an inner surface of an existing drain pipe with excellent workability.SOLUTION: A repair method comprises the steps of: arranging a first elastic member at a predetermined first location of a cut existing drain pipe; increasing the diameter of the first elastic member to close a first portion; inserting a short pipe having an outer diameter smaller than the inner diameter of the existing drain pipe; filling a gap between the inner peripheral surface of the existing drain pipe and the outer peripheral surface of the short pipe with a liquid water stop agent and curing it; and reducing the diameter of the first elastic member and removing it from the existing drain pipe.SELECTED DRAWING: Figure 2
【課題】既設配水管の管内面を作業性良く補修できる補修方法を提供する。【解決手段】切断された既設排水管の所定の第１の箇所に第１の弾性部材を配置する工程と、第１の弾性部材を径大化させることにより、第１の箇所を塞ぐ工程と、既設排水管の内径よりも小さい外径を有する短管を挿入する工程と、既設排水管の内周面と短管の外周面との隙間に液状の止水剤を充填し、硬化させる工程と、第１の弾性部材の径を径小化させて既設排水管から取り外す工程と、を備える補修方法を用いる。【選択図】図２
REPAIR METHOD FOR EXISTING DRAIN PIPE
既設排水管の補修方法
KAWAHARADA YOSHIMASA (author)
2022-10-14
Patent
Electronic Resource
Japanese
| European Patent Office | 2023
| European Patent Office | 2022