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有组织屋面排水的水落管多为明设,主要弊病是:水落口与屋面交接处渗漏,水沿固定铁件向墙内渗;铁件腐蚀,水管脱节,维修不方便,浪费资金;影响建筑物的美观。为彻底解决明设水落管的弊病,应将水落管暗设。具体作法:用直径100mmPVC-U塑料管预埋在外墙正中间;距地150mm 处用马蹄形弯头拐出墙面;屋面落水口处外墙封死,里面防水;保证管道接口不渗漏;屋面防水按设计坡度顺畅排入落入水管中,见下图。
Mainly ills are: seepage at the junction of water fall and roof, seepage of water along the fixed iron piece to the wall; corrosion of iron piece, disconnection of water pipe, inconvenient maintenance, waste of funds; influence The beauty of the building. In order to completely solve the shortcomings of water pipe OPEN, it should be underprivileged. Specific approach: with a diameter of 100mmPVC-U plastic pipe embedded in the middle of the outer wall; 150mm away from the corner with a horseshoe bend out of the wall; roof drain at the outer wall sealed, waterproof inside; ensure that the pipeline interface without leakage; roof Waterproof according to the design slope smoothly into the water, see below.