DBT29-266-2019······1

1 總則······10

2 術(shù)語和符號(hào)······11

2.1 術(shù)語······11

2.2 符號(hào)······12

3 材料及設(shè)計(jì)指標(biāo)······13

3.1 材料······13

3.2 設(shè)計(jì)指標(biāo)······13

4結(jié)構(gòu)分析······14

4.1 結(jié)構(gòu)分析計(jì)算······14

4.2 結(jié)構(gòu)變形計(jì)算······14

5 連接的構(gòu)造和計(jì)算······16

5.1 一般規(guī)定······16

5.2 焊接連接······16

5.3 栓接連接······18

6 鋼梁的設(shè)計(jì)與制造······19

6.1 鍘梁類型及適用范圍······19

6.2 鋼梁的設(shè)計(jì)······19

6.3 鋼梁的制造······23

7 鋼塔的設(shè)計(jì)與制造······26

7.1 鍘塔的設(shè)計(jì)······26

7.2 鋼塔的制造······26

8 鋼橋面鋪裝······27

9 防護(hù)及維護(hù)設(shè)計(jì)······28

9.1 防雷設(shè)汁······28

9.2 防腐設(shè)汁······28

9.3維護(hù)設(shè)計(jì)······29

10 降噪設(shè)計(jì)······30

11 施工安全與環(huán)境保護(hù)······31

11.1 一般規(guī)定······31

11.2 施工安傘······31

11.3 環(huán)境保護(hù)······33

附錄A 特殊焊接接頭······34

本標(biāo)準(zhǔn)用詞說明······36

引用標(biāo)準(zhǔn)名錄······37

條文說明······38

1 總則······42

2 術(shù)語和符號(hào)······43

2.1 術(shù)語······43

3 材料及設(shè)計(jì)指標(biāo)······45

3.1 材料······45

3 2 設(shè)計(jì)指標(biāo)······46

4 結(jié)構(gòu)分析······47

4.1 結(jié)構(gòu)分析計(jì)算······47

4.2 結(jié)構(gòu)變形計(jì)算······48

5 連接的構(gòu)造和計(jì)算······49

5.1 一般規(guī)定······49

5.2 焊接連接······49

5.3 栓接連接······52

6 鋼梁的設(shè)計(jì)與制造······53

6 1 鋼梁類型及適用范罔······53

6.2 鋼梁的設(shè)計(jì)······53

6.3 鍘梁的制造······56

7 鋼塔的設(shè)計(jì)與制造······58

7.1 鋼塔的設(shè)計(jì)······58

7.2 鋼塔的制造······59

8 鋼橋面鋪裝······60

9 防護(hù)及維護(hù)設(shè)計(jì)······64

9.1 防雷設(shè)計(jì)······64

9.2 防腐設(shè)計(jì)······64

9.3 維護(hù)設(shè)計(jì)······65

10 降噪設(shè)計(jì)······66

11 施工安全與環(huán)境保護(hù)······67

11.1 一般規(guī)定······67

11.2 施工安全······67