GB/T 31314-2014 (English Version) PDF

Standard No.: GB/T 31314-2014
Language: Chinese, Available in English version
Release Date: 2014
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 31314-2014

Scope: This standard specifies the terms and definitions, codes and signs, ordering content, dimensions, shape, weight and allowable deviation of multi-filament large-diameter high-strength low-relaxation prestressed steel strands of 1×19 types with a diameter of 17.8 mm to 28.6 mm. Disk weight, disk diameter, technical requirements, test methods, inspection rules, packaging, marks and quality certificates, etc. This standard applies to multi-filament large-diameter, high-strength, low-relaxation prestressed steel strands (hereinafter referred to as "steel strands") used in the fields of bridges, high-rise buildings, large venues, rock-soil anchorage, and roadway anchorage.

GB/T 31314-2014 Referenced Document

GB/T 21839 Test methods of steel for prestressing concrete*， 2019-06-04 Update
GB/T 24238 Hot-rolled wire rod for prestressed steel wire and strand*， 2017-05-31 Update
YB/T 081 Rule for rounding off of numberical values and judgement of testing values for technical standards of metallurgy

2014 GB/T 31314-2014 Multi wires of large diameter strand with high-strength and low-relaxation strand for prestressing