GB/T 920-2002
AbolishedCode for classification and type of highwaypavement
公路路面等级与面层类型代码
Application Summary AI generated
GB/T 920-2002 provides a standardized coding system for classifying highway pavement grades and surface layer types, defining codes for different pavement structures such as asphalt concrete, cement concrete, and gravel. It is applied in highway engineering for data exchange, information management, and documentation in design, construction, and maintenance systems. This standard ensures consistent classification across transportation databases and project records in China's road infrastructure sector.
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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.