11······1
1 总则······12
2 术语和符号······13
2.1 术语······13
2.2 符号······14
3 基本规定······16
4 材料······19
5 焊接连接构造设计······22
5.1 一般规定······22
5.2 焊缝坡口形式和尺寸······24
5.3 焊缝计算厚度······26
5.4 组焊构件焊接节点······37
5.5 防止板材产生层状撕裂的节点、选材和工艺措施······42
5.6 构件制作与工地安装焊接构造设计······44
5.7 承受动载与抗震的焊接构造设计······52
6 焊接工艺评定······56
6.1 一般规定······56
6.2 焊接工艺评定替代规则······59
6.3 重新进行工艺评定的规定······62
6.4 试件和检验试样的制备······65
6.5 试件和试样的试验与检验······74
6.6 免予焊接工艺评定······79
7 焊接工艺······83
7.] 母材准备······83
7.2 焊接材料要求······84
7.3 焊接接头的装配要求······88
7.4 定位焊······89
7.5 焊接环境······89
7.6 预热和道间温度控制······90
7.7 焊后消氢热处理······91
7.8 焊后消应力处理······91
7.9 引弧板、引出板和衬垫······92
7.10 焊接工艺技术要求······93
7.11 焊接变形的控制······94
7.12 返修焊······95
7.13 焊件矫正······96
7.14 焊缝清根······96
7.15 临时焊缝······97
7.16 引弧和熄弧······97
7.17 电渣焊和气电立焊······97
8 焊接检验······99
8.1 一般规定······99
8.2 承受静荷载结构焊接质量的检验······103
8.3 需疲劳验算结构的焊缝质量检验······107
9 焊接补强与加固······112
附录A 钢结构焊接接头坡口形式、尺寸和标记方法······116
附录B 钢结构焊接工艺评定报告格式······134
附录C 箱形柱(梁) 内隔板电渣焊缝焊透宽度的测量······149
本规程用词说明······151
引用标准名录······152
附: 条文说明······154
1 总则······158
2 术语和符号······159
2.1 术语······159
2.2 符号······159
3 基本规定······160
4 材料······164
5焊接连接构造设计······170
5.1 一般规定······170
5.2 焊缝坡口形式和尺寸······173
5.3 焊缝计算厚度······173
5.4 组焊构件焊接节点······174
5.5 防止板材产生层状撕裂的节点、选材和工艺措施······175
5.6 构件制作与工地安装焊接构造设计······175
5.7 承受动载与抗震的焊接构造设计······176
6 焊接工艺评定······178
6.1 一般规定······178
6.2 焊接工艺评定替代规则······179
6.3 重新进行工艺评定的规定······179
6.5 试件和试样的试验与检验······179
6.6 免予焊接工艺评定······180
7 焊接工艺······181
7.1 母材准备······181
7.2 焊接材料要求······181
7.3 焊接接头的装配要求······182
7.4 定位焊······182
7.5 焊接环境······182
7.6 预热和道间温度控制······183
7.7 焊后消氢热处理······184
7.8 焊后消应力处理······184
7.9 引弧板、引出板和衬垫······185
7.10 焊接工艺技术要求······185
7.11 焊接变形的控制······186
7.12 返修焊······186
7.13 焊件矫正······187
7.14 焊缝清根······187
7.15 临时焊缝······187
7.16 引弧和熄弧······187
7.17 电渣焊和气电立焊······188
8 焊接检验······189
8.1 一般规定······189
8.2 承受静荷载结构焊接质量的检验······191
8.3 需疲劳验算结构的焊缝质量检验······194
9 焊接补强与加固······195
