T/CECS 10097-2020 Large diameter delayed-setting prestressed steel strand

GB/T 269-1991 Lubricating grease and petrolatum—Determination of cone penetration GB/T 269-2023 Determination of cone penetration of lubricating greases and petrolatum GB/T 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 2793-1995 Test method for nonvolatile content of adhesives 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 7124-1986 The method for determination of strength properties of adhesive in shear by tension loading(Metal to metal) GB/T 7124-2008 Adhesives—Determination of tensile lap-shear strength of rigid-to-rigid bonded assemblies GB 11115-1989 Low density polyethylene resin GB/T 11115-2009 Polyethylene(PE) resin GB/T 14518-1993 Determination of the pH of adhesives GB/T 17200-1997 Requirements for tensile,flexural and compression testing machines for rubbers and plastics GB/T 17200-2008 Technical specification for tensile,compression and flexural testing machines for rubber and plastics(constant rate of traverse) 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 31314-2014 Multi wires of large diameter strand with high-strength and low-relaxation strand for prestressing JG/T 370-2012 Adhesive for retard-bonded prestressing steel strand GB/T 2793-2026 Test method for non-volatile content of adhesives