GB/T 40029-2021: Translated English of Chinese Standard (GBT40029-2021): Steel strand for prestressed concrete of LNG
www.ChineseStandard.net, 30 juni 2021 - 17 sidor
This Standard specifies the terms and definitions, symbols, codes and marks, order content, technical requirements, test methods, inspection rules, packaging, labeling, transportation, storage and quality certificates for steel strand for prestressed concrete of LNG. This Standard is applicable to the steel strand used in prestressed concrete structure of liquefied natural gas storage tank engineering, and other low temperature environments.
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Codes and marks
Packaging labeling transportation storage and quality certificate
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according Allow applies average batch breaking carried coil cold drawn round color Construction Deflection tensile dents determination direction document efficiency coefficient Elastic modulus gauge length impurity Inspection item less load anchoring performance mark materials Maximum force total measured meet the requirements metal Nominal cross-sectional area nominal diameter Original packaging performance at room performance shall meet prestressed concrete product 1 piece product name provisions of GB/T quality certificate rate of reduction reduction in area references relaxation rate requirements of Table room temperature rules rusts sampling scale shown Slight solution specimen Standard static load anchoring steel wire storage strand and anchor strength of steel Stress corrosion Stress relaxation performance structure surface Symbol Take Technical temperature anchoring performance Test methods theoretical weight twist ultimate tensile strength unit of manufacture unit of product visually inspect Wang weight per meter whole steel strand Wipe yield strength