1 Scope
This Part of GB/T 1499 specifies the definition, classification and marks, ordering information, technical requirements, test methods, inspection rules, packing marks and inspection certificate of welded steel fabric for the reinforcement of concrete.
This Part is applicable to welded fabric manufactured by cold rolled ribbed steel wires and bars or (and) hot-rolled ribbed bars in a method of resistance welding and may be referred by welded fabric welded by bars with smooth surface or of other types.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the dated edition is applicable to this document. For undated references, the latest edition of the normative document (including all the amendments) referred to applies.
GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature (GB/T 228.1-2010, ISO 6892-1: 2009, MOD)
GB/T 232 Metallic Materials—Bend Test (GB/T 232-1999, eqv ISO 7438: 1985 (E))
GB 1499.2 Steel for the Reinforcement of Concrete Part 2: Hot Rolled Ribbed Bars
GB 13788 Cold Rolled Ribbed Steel Wires and Bars
GB/T 17505 Steel and Steel Products: General Technical Delivery Requirements
YB/T 081 Rule for Rounding Off of Numerical Values and Judgment of Testing Values for Technical Standards of Metallurgy
3 Terms and Definitions
The following terms and definitions apply.
3.1 Welded fabric
The fabric with Longitudinal bars and transverse bars arranged at certain spacing respectively at right angles to each other and all cross points welded together by resistance spot welding shown as Figure 1.
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification and Marking
5 Ordering Information
6 Technical Requirements
7 Test Methods
8 Inspection Rules
9 Package, Marking and Inspection Certificate
Appendix A (Normative) Standardized Welded Fabric Type
Appendix B (Informative) Standard Welded Fabric Used for Bridge Surface and Buildings
Appendix C (Informative) Sketch map of Recommended Special Fixture for Shear Test
