DB32/T 3938-2020 Steel and Concrete Composite Beam Bridge Maintenance Technical Regulations

GB/T 1766-1995 Paint and varnish—Rating schemes of degradation of coats GB/T 1766-2008 Paints and varnishes—Rating schemes of degradation of coats GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting GB/T 13452.1-1992 Paints and varnishes—Determination of total lead—Flame atomic absorption spectrometric method GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 13452.3-1992 Paints and varnishes—Determination of hiding power—Part 1:Kubelka-Munk method for white and light coloured paints GB/T 13452.4-1992 Paints and varnishes—Filiform corrosion test on steel GB/T 13452.4-2008 Paints and varnishes—Determination of resistance to filiform corrosion on steel JT/T 722-2023 Highway bridge steel structure anti-corrosion coating technical specifications JT/T 722-2008 Specifications of protective coating for highway bridge steel structure JTG H11 JTG/T F50 JTG/T H21 JTG/T J21-2011 Specification for Inspection and Evaluation of Load-bearing Capacity of Highway Bridges