GB50017-2017······1

1 總則······19

2 術(shù)語(yǔ)和符號(hào)······20

2.1 術(shù)語(yǔ)······20

2.2 符號(hào)······23

3 基本設(shè)計(jì)規(guī)定······28

3.1 一般規(guī)定······28

3.2 結(jié)構(gòu)體系······30

3.3 作用······31

3.4 結(jié)構(gòu)或構(gòu)件變形及舒適度的規(guī)定······33

3.5 截面板件寬厚比等級(jí)······33

4 材料······36

4.1 鋼材牌號(hào)及標(biāo)準(zhǔn)······36

4.2 連接材料型號(hào)及標(biāo)準(zhǔn)······36

4.3 材料選用······38

4.4 設(shè)計(jì)指標(biāo)和設(shè)計(jì)參數(shù)······40

5 結(jié)構(gòu)分析與穩(wěn)定性設(shè)計(jì)······47

5.1 一般規(guī)定······47

5.2 初始缺陷······48

5.3 一階彈性分析與設(shè)計(jì)······51

5.4 二階P-△彈性分析與設(shè)計(jì)······51

5.5 直接分析設(shè)計(jì)法······52

6 受彎構(gòu)件······55

6.1 受彎構(gòu)件的強(qiáng)度······55

6.2 受彎構(gòu)件的整體穩(wěn)定······57

6.3 局部穩(wěn)定······60

6.4 焊接截面梁腹板考慮屈曲后強(qiáng)度的計(jì)算······67

6.5 腹板開孔要求······70

6.6 梁的構(gòu)造要求······71

7 軸心受力構(gòu)件······73

7.1 截面強(qiáng)度計(jì)算······73

7.2 軸心受壓構(gòu)件的穩(wěn)定性計(jì)算······75

7.3 實(shí)腹式軸心受壓構(gòu)件的局部穩(wěn)定和屈曲后強(qiáng)度······86

7.4 軸心受力構(gòu)件的計(jì)算長(zhǎng)度和容許長(zhǎng)細(xì)比······89

7.5 軸心受壓構(gòu)件的支撐······95

7.6 單邊連接的單角鋼······96

8 拉彎、壓彎構(gòu)件······99

8.1 截面強(qiáng)度計(jì)算······99

8.2 構(gòu)件的穩(wěn)定性計(jì)算······101

8.3 框架柱的計(jì)算長(zhǎng)度······107

8.4 壓彎構(gòu)件的局部穩(wěn)定和屈曲后強(qiáng)度······112

8.5 承受次彎矩的桁架桿件······115

9 加勁鋼板剪力墻······116

9.1 一般規(guī)定······116

9.2 加勁鋼板剪力墻的計(jì)算······116

9.3 構(gòu)造要求······118

10 塑性及彎矩調(diào)幅設(shè)計(jì)······120

10.1 一般規(guī)定······120

10.2 彎矩調(diào)幅設(shè)計(jì)要點(diǎn)······121

10.3 構(gòu)件的計(jì)算······122

10.4 容許長(zhǎng)細(xì)比和構(gòu)造要求······123

11 連接······125

11.1 一般規(guī)定······125

11.2 焊縫連接計(jì)算······126

11.3 焊縫連接構(gòu)造要求······131

11.4 緊固件連接計(jì)算······135

11.5 緊固件連接構(gòu)造要求······139

11.6 銷軸連接······142

11.7 鋼管法蘭連接構(gòu)造······145

12 節(jié)點(diǎn)······146

12.1 一般規(guī)定······146

12.2 連接板節(jié)點(diǎn)······146

12.3 梁柱連接節(jié)點(diǎn)······150

12.4 鑄鋼節(jié)點(diǎn)······154

12.5 預(yù)應(yīng)力索節(jié)點(diǎn)······155

12.6 支座······155

12.7 柱腳······157

13 鋼管連接節(jié)點(diǎn)······163

13.1 一般規(guī)定······163

13.2 構(gòu)造要求······164

13.3 圓鋼管直接焊接節(jié)點(diǎn)和局部加勁節(jié)點(diǎn)的計(jì)算······168

13.4 矩形鋼管直接焊接節(jié)點(diǎn)和局部加勁節(jié)點(diǎn)的計(jì)算······185

14 鋼與混凝土組合梁······195

14.1 一般規(guī)定······195

14.2 組合梁設(shè)計(jì)······198

14.3 抗剪連接件的計(jì)算······201

14.4 撓度計(jì)算······204

14.5 負(fù)彎矩區(qū)裂縫寬度計(jì)算······205

14.6 縱向抗剪計(jì)算······206

14.7 構(gòu)造要求······208

15 鋼管混凝土柱及節(jié)點(diǎn)······211

15.1 一般規(guī)定······211

15.2 矩形鋼管混凝土柱······211

15.3 圓形鋼管混凝土柱······212

15.4 鋼管混凝土柱與鋼梁連接節(jié)點(diǎn)······212

16 疲勞計(jì)算及防脆斷設(shè)計(jì)······214

16.1 一般規(guī)定······214

16.2 疲勞計(jì)算······214

16.3 構(gòu)造要求······219

16.4 防脆斷設(shè)計(jì)······223

17 鋼結(jié)構(gòu)抗震性能化設(shè)計(jì)······225

17.1 一般規(guī)定······225

17.2 計(jì)算要點(diǎn)······229

17.3 基本抗震措施······240

18 鋼結(jié)構(gòu)防護(hù)······249

18.1 抗火設(shè)計(jì)······249

18.2 防腐蝕設(shè)計(jì)······249

18.3 隔熱······251

附錄A 常用建筑結(jié)構(gòu)體系······253

附錄B 結(jié)構(gòu)或構(gòu)件的變形容許值······256

附錄C 梁的整體穩(wěn)定系數(shù)······261

附錄D 軸心受壓構(gòu)件的穩(wěn)定系數(shù)······266

附錄E 柱的計(jì)算長(zhǎng)度系數(shù)······271

附錄F 加勁鋼板剪力墻的彈性屈曲臨界應(yīng)力······284

附錄G 桁架節(jié)點(diǎn)板在斜腹桿壓力作用下的穩(wěn)定計(jì)算······292

附錄H 無(wú)加勁鋼管直接焊接節(jié)點(diǎn)剛度判別······294

附錄J 鋼與混凝土組合梁的疲勞驗(yàn)算······297

附錄K 疲勞計(jì)算的構(gòu)件和連接分類······299

本標(biāo)準(zhǔn)用同說(shuō)明······308

引用標(biāo)準(zhǔn)名錄······309