DB21_T3616-2022_公路桥梁耐候钢焊接技术规程_辽宁省.docx

DB21

ICS93.040

CCSP28

辽宁省地方标准

DB21/T3616—2022

公路桥梁耐候钢焊接技术规程

TechnicalSpecificationforWeldingWeatheringSteelforHighwayBridges

2022-09-30实施

发布

辽宁省市场监督管理局

DB21/T3616-2022

目

次

前言...............................................................................III

1

2

3

4

5

6

范围..............................................................................1

规范性引用文件....................................................................1

术语和定义........................................................................1

总则..............................................................................2

材料..............................................................................3

焊接工艺评定......................................................................3

6.1

6.2

6.3

一般规定....................................................................3

试样制备....................................................................4

试件或试样的试验及检验......................................................4

7

8

人员要求..........................................................................5

焊接工艺..........................................................................5

8.1

8.2

8.3

8.4

8.5

8.6

8.7

母材准备....................................................................5

焊接材料要求................................................................5

定位焊的要求................................................................6

焊接环境要求................................................................6

预热和道间温度控制..........................................................6

焊接工艺要求................................................................7

焊接变形的控制..............................................................8

9

焊接质量检验......................................................................8

外观检验....................................................................8

无损检测....................................................................9

10其它注意事项.........................