DRAINPIPE FOR UNDERGROUND WATER CATCHMENT AND DRAINAGE OF LOWER PART BASEMENT

摘要

A drain pipe for the underground water storing and draining apparatus of the underground structure lower part ground is provided that the frictional resistance between the contact surfaces can be reduced. A drain pipe(30) for the underground water storing and draining apparatus of the underground structure lower part ground comprises a drain pipe body(31) and a partition plate(32). The drain pipe body comprises unit bodies(31a,31b,31c) divided into a plurality of pieces In order to have a part form of cylinder. The way of water collection is formed between unit bodies. The partition plate is comprised of a plurality of unit partition plates(32a,32b,32c).