1.0.1 This standard is formulated with a view to adopting appropriate welding technology and unified acceptance quality standard in the reinforcing steel bar (hereinafter referred to as rebar) welding, making the construction state-of-art and ensuring construction quality.
1.0.2 This standard id applicable to construction, quality test and acceptance of welding of reinforcing steel bars in concrete structure for construction works.
1.0.3 The welder engaged in welding of reinforcing steel bars must mount guard upon holding welder certificate.
1.0.4 The construction and quality test of rebar welding shall meet the requirements of the related current national compulsory standards, besides the requirements in this standard.
1 General Provisions 1
2 Terms 1
3 Material 2
4 Welding of Reinforcing Steel Bars 4
4.1 General Requirements 4
4.2 Resistance spot welding of reinforcing steel bar 7
4.3 Flash butt welding of reinforcing steel bar 7
4.4 Arc welding of reinforcing steel bar 9
4.5 Electroslag pressure welding of reinforcing steel bar 14
4.6 Gas pressure welding of reinforcing steel bar 15
4.7 Submerged-arc pressure welding of reinforcingbar at prefabricated components 16
5 Quality test and acceptance 18
5.1 General Requirements 18
5.2 Welded frame and welded mesh 20
5.3 Resistance flash welding point 23
5.4 Arc-welding joint of reinforcing steel bar 23
5.5 Electroslag pressure welding joint of reinforcing steel bar 24
5.6 Gas pressure welding of reinforcing steel bar joint 25
5.7 "T" joint of reinforcing steel bar at prefabricated components 25
6 Welder Qualification Test 27
Annex A Quality acceptance record of inspected longitudinally-forced welding joint batch 31
Annex B certificate of reinforcing steel bar welder 35
Explanation of wording 37
