SUBSIDENCE-PROOF PIPING STRUCTURE AND SUBSIDENCE-PROOF PIPING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a subsidence-proof piping structure 1 that has a simple structure and is highly adaptable to displacement in any of vertical, horizontal and oblique directions and a subsidence-proof piping method therefor.

SOLUTION: A subsidence-proof piping structure 1 is arranged between a drain pipe supported by a building to make waste water flow down and a catch basin buried in the site of the building. The subsidence-proof piping structure 1 has a first pipe in communication with the lower end of the drain pipe and a second pipe in communication with the catch basin. Either the first pipe or the second pipe is inserted into the other pipe in a removable manner, while the first pipe and/or the second pipe has flexibility.

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