GB/T 24721.3-2009
AbolishedGlass fiber reinforced plastic product for highway - Part 3: Duct
公路用玻璃纤维增强塑料产品 第3部分：管道
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for glass fiber reinforced plastic (GRP) ducts used in highway construction. It is applied to the production and quality control of cable protection ducts for communication, power, and signal systems embedded in highway roadbeds or bridge structures. The standard ensures the ducts meet durability, corrosion resistance, and mechanical strength requirements under traffic loads and environmental exposure.
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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.