11······1

1 總則······12

2 術(shù)語(yǔ)和符號(hào)······13

2.1 術(shù)語(yǔ)······13

2.2 符號(hào)······14

3 基本規(guī)定······16

4 材料······19

5 焊接連接構(gòu)造設(shè)計(jì)······22

5.1 一般規(guī)定······22

5.2 焊縫坡口形式和尺寸······24

5.3 焊縫計(jì)算厚度······26

5.4 組焊構(gòu)件焊接節(jié)點(diǎn)······37

5.5 防止板材產(chǎn)生層狀撕裂的節(jié)點(diǎn)、選材和工藝措施······42

5.6 構(gòu)件制作與工地安裝焊接構(gòu)造設(shè)計(jì)······44

5.7 承受動(dòng)載與抗震的焊接構(gòu)造設(shè)計(jì)······52

6 焊接工藝評(píng)定······56

6.1 一般規(guī)定······56

6.2 焊接工藝評(píng)定替代規(guī)則······59

6.3 重新進(jìn)行工藝評(píng)定的規(guī)定······62

6.4 試件和檢驗(yàn)試樣的制備······65

6.5 試件和試樣的試驗(yàn)與檢驗(yàn)······74

6.6 免予焊接工藝評(píng)定······79

7 焊接工藝······83

7.] 母材準(zhǔn)備······83

7.2 焊接材料要求······84

7.3 焊接接頭的裝配要求······88

7.4 定位焊······89

7.5 焊接環(huán)境······89

7.6 預(yù)熱和道間溫度控制······90

7.7 焊后消氫熱處理······91

7.8 焊后消應(yīng)力處理······91

7.9 引弧板、引出板和襯墊······92

7.10 焊接工藝技術(shù)要求······93

7.11 焊接變形的控制······94

7.12 返修焊······95

7.13 焊件矯正······96

7.14 焊縫清根······96

7.15 臨時(shí)焊縫······97

7.16 引弧和熄弧······97

7.17 電渣焊和氣電立焊······97

8 焊接檢驗(yàn)······99

8.1 一般規(guī)定······99

8.2 承受靜荷載結(jié)構(gòu)焊接質(zhì)量的檢驗(yàn)······103

8.3 需疲勞驗(yàn)算結(jié)構(gòu)的焊縫質(zhì)量檢驗(yàn)······107

9 焊接補(bǔ)強(qiáng)與加固······112

附錄A 鋼結(jié)構(gòu)焊接接頭坡口形式、尺寸和標(biāo)記方法······116

附錄B 鋼結(jié)構(gòu)焊接工藝評(píng)定報(bào)告格式······134

附錄C 箱形柱(梁) 內(nèi)隔板電渣焊縫焊透寬度的測(cè)量······149

本規(guī)程用詞說(shuō)明······151

引用標(biāo)準(zhǔn)名錄······152

附: 條文說(shuō)明······154

1 總則······158

2 術(shù)語(yǔ)和符號(hào)······159

2.1 術(shù)語(yǔ)······159

2.2 符號(hào)······159

3 基本規(guī)定······160

4 材料······164

5焊接連接構(gòu)造設(shè)計(jì)······170

5.1 一般規(guī)定······170

5.2 焊縫坡口形式和尺寸······173

5.3 焊縫計(jì)算厚度······173

5.4 組焊構(gòu)件焊接節(jié)點(diǎn)······174

5.5 防止板材產(chǎn)生層狀撕裂的節(jié)點(diǎn)、選材和工藝措施······175

5.6 構(gòu)件制作與工地安裝焊接構(gòu)造設(shè)計(jì)······175

5.7 承受動(dòng)載與抗震的焊接構(gòu)造設(shè)計(jì)······176

6 焊接工藝評(píng)定······178

6.1 一般規(guī)定······178

6.2 焊接工藝評(píng)定替代規(guī)則······179

6.3 重新進(jìn)行工藝評(píng)定的規(guī)定······179

6.5 試件和試樣的試驗(yàn)與檢驗(yàn)······179

6.6 免予焊接工藝評(píng)定······180

7 焊接工藝······181

7.1 母材準(zhǔn)備······181

7.2 焊接材料要求······181

7.3 焊接接頭的裝配要求······182

7.4 定位焊······182

7.5 焊接環(huán)境······182

7.6 預(yù)熱和道間溫度控制······183

7.7 焊后消氫熱處理······184

7.8 焊后消應(yīng)力處理······184

7.9 引弧板、引出板和襯墊······185

7.10 焊接工藝技術(shù)要求······185

7.11 焊接變形的控制······186

7.12 返修焊······186

7.13 焊件矯正······187

7.14 焊縫清根······187

7.15 臨時(shí)焊縫······187

7.16 引弧和熄弧······187

7.17 電渣焊和氣電立焊······188

8 焊接檢驗(yàn)······189

8.1 一般規(guī)定······189

8.2 承受靜荷載結(jié)構(gòu)焊接質(zhì)量的檢驗(yàn)······191

8.3 需疲勞驗(yàn)算結(jié)構(gòu)的焊縫質(zhì)量檢驗(yàn)······194

9 焊接補(bǔ)強(qiáng)與加固······195