GB/T 23858-2009
ActiveManhole cover
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Application Summary AI generated
GB/T 23858-2009 specifies technical requirements, test methods, and inspection rules for manhole covers used in urban road drainage, communication, and utility access systems. It applies to cast iron, composite, and reinforced concrete covers installed in pedestrian and vehicular traffic areas, ensuring load-bearing capacity, anti-theft design, and safety performance. This standard is critical for municipal engineering, road construction, and underground facility maintenance to prevent cover displacement or failure under traffic loads.
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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.