GB/T 18477.1-2007
ActiveUnplasticized polyvinyl chloride (PVC-U) structure wall pipline system for underground soil waste and drainage - Part 1: double wall corrugated pipes
埋地排水用硬聚氯乙烯(PVC-U)结构壁管道系统 第1部分：双壁波纹管材
Application Summary AI generated
This standard specifies the requirements, test methods, and quality criteria for double-wall corrugated PVC-U pipes used in underground drainage systems. It is applied in municipal engineering, building construction, and civil infrastructure for conveying soil waste, rainwater, and sewage without internal pressure. The standard ensures pipe durability, ring stiffness, and joint integrity for buried gravity-flow drainage networks.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.