GB/T 37439-2019 Precast post-tensioned prestressed concrete simply-supported beam of high-speed railway

GB/T 50082 TB/T 2922.1 TB/T 2922.3 TB/T 2922.4 TB/T 2922.5 TB 10425 GB/T 176-1996 Method for chemical analysis of cement GB/T 176-2008 Methods for chemical analysis of cement GB/T 176-2017 Methods for chemical analysis of cement GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1346-2001 Test methods for water requirement of normal consistency,setting time and soundness of the portland cements GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the portland cement GB/T 1499.1-2008 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.1-2017 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB 1499.1-2024 Steel for the reinforcement of concrete—Part 1:Hot rolled plain bars GB/T 1499.2-2007 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.2-2018 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB 1499.2-2024 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 5224-2003 Steel strand for prestressed concrete GB/T 5224-2014 Steel strand for prestressed concrete GB/T 5224-2023 Steel strand for prestressed concrete GB/T 5836.2-1992 Unplasticized polyvinyl chloride fittings for drainage in buildings GB/T 5836.2-2006 Unplasticized poly (vinyl chloride) (PVC-U) fittings for soil and waste inside buildings GB/T 5836.2-2018 Unplasticized poly(vinyl chloride)(PVC-U) fittings for soil and waste discharge inside buildings GB/T 8077-2000 Methods for testing uniformity of concrete admixture GB/T 8077-2012 Methods for testing uniformity of concrete admixture GB/T 8077-2023 Methods for testing uniformity of concrete admixtures GB/T 17671-1999 Method of testing cements—Determination of strength GB/T 17671-2021 Test method of cement mortar strength(ISO method) GB/T 20221-2006 Unplasticized poly(vinyl chloride)(PVC-U)pipes for non-pressure buried drainage and sewerage systems GB/T 20221-2023 Unplasticized poly(vinyl chloride) (PVC-U) pipes for non-pressure buried drainage and sewerage systems JG/T 225-2007 Corrugated metal ducts for prestressed concrete JG/T 225-2020 Corrugated metal ducts for prestressed concrete TB/T 2092-2018 The experimental method for simply supported prestressed concrete beam static load bending test TB/T 2965-2018 Railway bridge concrete deck waterproof layer TB/T 3193-2016 TB/T 3193-2016 Railway engineering prestressed steel wire rope clips, clips and connectors for use in tensioning TB/T 3274-2011 TB/T 3274-2011 railway concrete beam component multi-alloy gas hardening anti-corrosion technical specifications TB/T 3275-2018 railway concrete JB/T 5067-1999 Iron-based parts powder zinc plating JB/T 5067-1991 Iron-based parts mechanically zinc plated with powder GB/T 1346-2024 Test methods for water requirement of standard consistency,setting time and soundness of the portland cement GB/T 50080-2016 Standard for test method of performance on ordinary fresh concrete GB/T 50081-2019 Standard for test methods of concrete physical and mechanical properties JGJ/T 10-2011 Technical specification for construction of concrete pumping GB/T 176-2025 Methods for chemical analysis of cement