Home / Standards / GB/T 45019-2024 GB/T 45019-2024 Active Basalt fiber modified asphalt mixture for road engineering 道路用玄武岩纤维沥青混合料 Standard Type GBT ICS 93.080.20 CCS Q 20 Status 现行 Issue Date 2024-11-28 Implementation 2025-06-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A