JGJT471-2019······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······12

3 材料······16

3.1 鋼材······16

3.2 混凝土······16

3.3 連接材料······16

4 基本規(guī)定······18

4.1 一般規(guī)定······18

4.2 結構分析與設計原則······18

4.3 結構體系設計規(guī)定······19

4.4 結構構件設計規(guī)定······20

5 構件截面設計······27

5.1 一般規(guī)定······27

5.2 正截面軸心受壓、受拉承載力計算······32

5.3 正截面偏心受壓、受拉承載力計算······35

5.4 斜截面受剪承載力計算······40

6 節(jié)點設計······42

6.1 一般規(guī)定······42

6.2 鋼管約束鋼筋混凝土柱-鋼筋混凝土梁框架節(jié)點······43

6.3 鋼管約束型鋼混凝土樁-鋼筋混凝土梁框架節(jié)點······48

6.4 鋼管約束混凝土柱鋼梁框架節(jié)點······51

6.5 梁端剪力傳遞······52

7 鋼構件的防護······54

7.1 鋼構件的防腐涂裝······54

7.2 鋼管的防火防護······54

8 制作與施工······60

8.1 鋼管制作與安裝······60

8.2 混凝土澆筑······60

附錄A 軸心受壓鋼管約束混凝土柱穩(wěn)定系數(shù)······62

附錄B 鋼管約束混凝土柱受壓承載力簡化計算方法······68

附錄C 鋼管約束混凝土柱防火計算······70

本標準用詞說明······74

引用標準名錄······75

附: 條文說明······77

1 總則······81

2 術語和符號······83

2.1 術語······83

2.2 符號······83

3 材料······84

3.1 鋼材······84

3.2 混凝土······84

3.3 連接材料······84

4 基本規(guī)定······85

4.1 一般規(guī)定······85

4.2 結構分析與設計原則······85

4.3 結構體系設計規(guī)定······87

4.4 結構構件設計規(guī)定······87

5 構件截面設計······93

5.1 一般規(guī)定······93

5.2 正截面軸心受壓、受拉承載力計算······98

5.3 正截面偏心受壓、受拉承載力計算······100

5.4 斜截面受剪承載力計算······103

6 節(jié)點設計······104

6.1 一般規(guī)定······104

6.2 鋼管約束鋼筋混凝土柱-鋼筋混凝土梁框架節(jié)點······104

6.3 鋼管約束型鋼混凝土柱-鋼筋混凝土梁框架節(jié)點······106

6.4 鋼管約束混凝土柱-鋼梁框架節(jié)點······107

6.5 梁端剪力傳遞······107

7 鋼構件的防護······108

7.1 鋼構件的防腐涂裝······108

7.2 鋼管的防火防護······108

8 制作與施工······110

8.1 鋼管制作與安裝······110

8.2 混凝土澆筑······110