GB/T 31447-2015
ActivePre-galvanized highway guardrail
预镀锌公路护栏
Application Summary AI generated
GB/T 31447-2015 specifies technical requirements, test methods, and quality acceptance criteria for pre-galvanized steel guardrails used in highway construction. It applies to the manufacturing and installation of corrosion-resistant roadside barriers on expressways, primary roads, and secondary roads in China. The standard ensures structural integrity and long-term durability of guardrails under environmental exposure and vehicle impact 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.