GB/T 5224-2003 Steel Strand for Pre-stressed Concrete (Text of Document is in English)

01/08/2003

20P

$80.00 USD

Foreword
1 Scope
2 Normative References
3 Terms and Definitions
3.1 Standard strand
3.2 Indented strand
3.3 Compact strand
3.4 Nominal diameter
3.5 Stabilizing treatment
4 Classification and marks
4.1 Classification and code
4.2 Marks
5 order Contents
6 Dimension, Shapes, Quality and Permissible Deviation
7 Technical Requirements
7.1 Designation and chemical composition
7.2 Manufacturing
7.3 Mechanical properties
7.4 Surface quality
7.5 Straighten of steel strand
7.6 Fatigue and slanting tension properties
8 Test Methods
8.1 Surface inspection
8.2 Size inspection
8.3 Measurement of per meter mass
8.4 Tensile test
8.5 Stress relaxation performance tests
8.6 Fatigue and slating tension test
9 Inspection Rules
9.1 Inspection and acceptance
9.2 Batching rules
9.3 Inspection item and number of sampling
9.4 Retest and judgment rules
10 Packaging, Labeling and Quality Certification
10.1 Packaging
10.2 Packaging
10.3 Quality certification
Appendix A (Normative) Fatigue test
Appendix B (Normative) Slating tension
Appendix C (Informative)
Comparison Table of Name and Symbol of Mechanical Properties on New & Old Standards