GB/T 40224-2021
ActivePlastic boxes used for rainwater infiltration,attenuation and storage
雨水渗透、调蓄、储存用塑料模块
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for plastic modular units used in rainwater management systems. It is applied in the design and quality control of underground stormwater infiltration, retention, and storage structures, such as those used in sponge city projects, green building drainage, and urban flood control. The standard ensures the structural integrity, durability, and hydraulic performance of plastic boxes under soil loading and water flow conditions.
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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.