排水管道安装须做三个试验,以确认管道的工作性能,同时对管道的施工质量予以肯定及认可,是不可缺少的检测手段。闭水试验闭水试验目的在于检查管口是否有渗漏,以便对缺陷及时予以处理。闭水试验仅用于埋地管道,从立管检查口注以清水,观察15 min,以液面停止下降、无渗水为合格。检查每个接口且将管子四周土清除干净,以确认其真实性,做到万无一失。 Drainage pipe installation to be done three tests to confirm the pipeline performance, while the pipeline construction quality to be affirmed and recognized, is an indispensable means of detection. Closed water test closed water test purpose is to check whether the nozzle leakage, in order to deal with defects in a timely manner. Closed water test is only used for buried pipelines, from the riser inspection port note clear water, observe 15 min, with the liquid surface to stop falling, no seepage is qualified. Check each interface and clean the pipe around the soil to confirm its authenticity, be foolproof.