近年来硬聚氯乙烯排水管正在我国迅速推广使用,但因多数施工人员对其安装工艺要求尚不熟悉,也带来了一些质量问题。作者在此文中介绍了安装时如何正确处理UPVC 排水管伸缩、固定、噪音消减、穿楼板屋面时防渗和存水弯问题的经验。 In recent years, hard PVC drainage pipes are being rapidly promoted and used in China. However, due to the fact that most construction workers are not familiar with their installation process requirements, they also bring about some quality problems. In this article, the author describes how to correctly handle the problems of UPVC drain pipe stretching, fixing, noise reduction, seepage prevention and trapping problems when wearing floor slabs.