This Standard specifies the test methods for tensile, bend, reverse bend, torsion, wrapping, isothermal relaxation, fatigue, stress corrosion, deflected tensile, chemical analysis, measurement of the geometrical dimensions, and determination of the relative rib area of the steel for prestressed concrete. This Standard is applicable to the determination of the properties with regard to the prestressed steel wires, bars, strands, etc.
National Standard Approval Announcement 2008 No.8 (Total No.121)
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary
This standard specifies the use of prestressed concrete tensile steel, bending, repeated bending, twist, winding, isothermal relaxation, fatigue, stress corrosion, skewed stretch, chemical analysis, geometry measurements and determine the relative rib area and other test methods. This standard applies to prestressed steel wire, determination strand and other products related to the performance, bars.
