JGJT483-2020······1

1 總則······12

2 術語和符號······13

2.1 術語······13

2.2 符號······13

3 基本規定······17

3.1 設計原則······17

3.2 抗震性能化設計······18

4 材料······19

4.1 鋼材牌號······19

4.2 連接材料······19

4.3 材料選用······20

4.4 設計指標······20

5 軸心受力構件······26

5.1 軸心受力構件的強度······26

5.2 軸心受壓構件的穩定性······27

5.3 實腹式軸心受壓構件的局部穩定性和屈曲后強度······29

6 受彎構件······34

6.1 受彎構件的強度······34

6.2 受彎構件的穩定性······35

6.3 受彎構件的局部穩定性······36

7 拉彎和壓彎構件······38

7.1 拉彎和壓彎構件的強度······38

7.2 壓彎構件的穩定性······38

7.3 壓彎構件的局部穩定性······41

8 連接和節點······45

8.1 一般規定······45

8.2 焊縫連接······45

8.3 高強度螺栓連接······45

8.4 銷軸連接······47

8.5 框架連接節點······47

附錄A 軸心受壓構件的穩定系數ψ······49

本標準用詞說明······54

引用標準名錄······55

附：條文說明······57

1 總則······61

2 術語和符號······62

2.1 術語······62

2.2 符號······62

3 基本規定······63

3.1 設計原則······63

3.2 抗震性能化設計······64

4 材料······65

4.1 鋼材牌號······65

4.2 連接材料······66

4.3 材料選用······66

4.4 設計指標······66

5 軸心受力構件······71

5.1 軸心受力構件的強度······71

5.2 軸心受壓構件的穩定性······72

5.3 實腹式軸心受壓構件的局部穩定性和屈曲后強度······72

6 受彎構件······77

6.1 受彎構件的強度······77

6.2 受彎構件的穩定性······77

6.3 受彎構件的局部穩定性······78

7 拉彎和壓彎構件······79

7.1 拉彎和壓彎構件的強度······79

7.2 壓彎構件的穩定性······79

7.3 壓彎構件的局部穩定性······81

8 連接和節點······83

8.1 一般規定······83

8.2 焊縫連接······83

8.3 高強度螺栓連接······83

8.4 銷軸連接······84

8.5 框架連接節點······84