DBT29-266-2019······1

1 總則······10

2 術語和符號······11

2.1 術語······11

2.2 符號······12

3 材料及設計指標······13

3.1 材料······13

3.2 設計指標······13

4結構分析······14

4.1 結構分析計算······14

4.2 結構變形計算······14

5 連接的構造和計算······16

5.1 一般規定······16

5.2 焊接連接······16

5.3 栓接連接······18

6 鋼梁的設計與制造······19

6.1 鍘梁類型及適用范圍······19

6.2 鋼梁的設計······19

6.3 鋼梁的制造······23

7 鋼塔的設計與制造······26

7.1 鍘塔的設計······26

7.2 鋼塔的制造······26

8 鋼橋面鋪裝······27

9 防護及維護設計······28

9.1 防雷設汁······28

9.2 防腐設汁······28

9.3維護設計······29

10 降噪設計······30

11 施工安全與環境保護······31

11.1 一般規定······31

11.2 施工安傘······31

11.3 環境保護······33

附錄A 特殊焊接接頭······34

本標準用詞說明······36

引用標準名錄······37

條文說明······38

1 總則······42

2 術語和符號······43

2.1 術語······43

3 材料及設計指標······45

3.1 材料······45

3 2 設計指標······46

4 結構分析······47

4.1 結構分析計算······47

4.2 結構變形計算······48

5 連接的構造和計算······49

5.1 一般規定······49

5.2 焊接連接······49

5.3 栓接連接······52

6 鋼梁的設計與制造······53

6 1 鋼梁類型及適用范罔······53

6.2 鋼梁的設計······53

6.3 鍘梁的制造······56

7 鋼塔的設計與制造······58

7.1 鋼塔的設計······58

7.2 鋼塔的制造······59

8 鋼橋面鋪裝······60

9 防護及維護設計······64

9.1 防雷設計······64

9.2 防腐設計······64

9.3 維護設計······65

10 降噪設計······66

11 施工安全與環境保護······67

11.1 一般規定······67

11.2 施工安全······67