Standard No.:	GB/T 41666.3-2022
English Name:	Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks—Part 3:Lining with close-fit pipes
Chinese Name:	地下无压排水管网非开挖修复用塑料管道系统　第3部分：紧密贴合内衬法
Chinese Classification:	G33    Plastic profile
Professional Classification:	GB    National Standard
ICS Classification:	83.140.30 83.140.30    Plastics pipes and fittings for non fluid use 83.140.30
Issued by:	SAMR; SAC
Issued on:	2022-04-15
Implemented on:	2022-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	14500 words
Price(USD):	435.00
Delivery:	via email in 1~5 business day

本文件规定了地下无压排水管网以紧密贴合内衬法进行非开挖修复时采用的塑料管道系统的术语和定义、符号和缩略语、生产阶段（“M”阶段）内衬管要求、生产阶段（“M”阶段）管件要求、附件、施工阶段（“I”阶段）要求、施工和验收。
本文件适用于地下无压排水管网非开挖修复用塑料管道系统中采用紧密贴合内衬法工艺时所用的聚乙烯（PE）或未增塑聚氯乙烯（PVC-U）制成的管道，以及安装的内衬系统、接头及施工。