中华人民共和国住房和城乡建设部公告

前　言

1　总　　则

2　术语和符号

• 2.1　术　　语

• 2.2　符　　号

3　基本规定

4　材　　料

5　焊接连接构造设计

• 5.1　一般规定

• 5.2　焊缝坡口形式和尺寸

• 5.3　焊缝计算厚度

• 5.4　组焊构件焊接节点

• 5.5　防止板材产生层状撕裂的节点、选材和工艺措施

• 5.6　构件制作与工地安装焊接构造设计

• 5.7　承受动载与抗震的焊接构造设计

6　焊接工艺评定

• 6.1　一般规定

• 6.2　焊接工艺评定替代规则

• 6.3　重新进行工艺评定的规定

• 6.4　试件和检验试样的制备

• 6.5　试件和试样的试验与检验

• 6.6　免予焊接工艺评定

7　焊接工艺

• 7.1　母材准备

• 7.2　焊接材料要求

• 7.3　焊接接头的装配要求

• 7.4　定　位　焊

• 7.5　焊接环境

• 7.6　预热和道间温度控制

• 7.7　焊后消氢热处理

• 7.8　焊后消应力处理

• 7.9　引弧板、引出板和衬垫

• 7.10　焊接工艺技术要求

• 7.11　焊接变形的控制

• 7.12　返　修　焊

• 7.13　焊件矫正

• 7.14　焊缝清根

• 7.15　临时焊缝

• 7.16　引弧和熄弧

• 7.17　电渣焊和气电立焊

8　焊接检验

• 8.1　一般规定

• 8.2　承受静荷载结构焊接质量的检验

• 8.3　需疲劳验算结构的焊缝质量检验

9　焊接补强与加固

附录A　钢结构焊接接头坡口形式、尺寸和标记方法

附录B　钢结构焊接工艺评定报告格式

附录C　箱形柱（梁）内隔板电渣焊缝焊透宽度的测量

本规范用词说明

引用标准名录

1　General Provisions

2　Terms and Symbols

3　Basic Requirement

4　Materials

5　Design of Welding Connections

• 5.1　General Requirement

• 5.2　Size and Form of Weld Groove

• 5.3　Theoretical Throat of Weld

• 5.4　Welding Nodal Point of Combined Welding Member

• 5.5　Technics for Avoid of Lamellar Tearing

• 5.6　Design of Shop and Field Welding Connections

• 5.7　Design of Welding Connections Bearing Dynamic Load and Anti-earthquake

6　Welding Procedure Qualifaction

• 6.1　General Requirement

• 6.2　Substitute Principles of Welding Procedure Qualifaction

• 6.3　Requalifacition

• 6.4　Prepartion of Test Pieces and Samples

• 6.5　Testing

• 6.6　Principle of Prequalifacition

7　Welding Procedures

• 7.1　Prepartion of Base Metal

• 7.2　Requirement of Welding Consumables

• 7.3　Assemble Requirement of Welding Joint

• 7.4　Tack Weld

• 7.5　Welding Environment

• 7.6　Preheat and Ingterpass Temperature

• 7.7　Hydrogen Relief Heat Treatment

• 7.8　Stress Relief Treatment

• 7.9　Weld Tabs and Backing

• 7.10　Technic Requirement of Welding Procedure

• 7.11　Contral of Welding Deformation

• 7.12　Repairs

• 7.13　Correction

• 7.14　Backgouging

• 7.15　Temporary Welds

• 7.16　Striking and Extinguish of Arc

• 7.17　ESW and EGW

8　Inspection

• 8.1　General Requirement

• 8.2　Weld Inspection of Structure Bearing Static Load

• 8.3　Weld Inspection of Structure Bearing Dynamic Load

9　Strengthening and Repairing of Existing Structures

Appendix A　Form，Size and Symbol of Weld Groove

Appendix B　Format of WPQR

Appendix C　Testing of ESW Weld of Box Members

Explanation of Wording in This Code

List of Quoted Standards