DB/T29-266-2019：天津市钢桥设计标准

DBT29-266-2019······1

1 总则······10

2 术语和符号······11

2.1 术语······11

2.2 符号······12

3 材料及设计指标······13

3.1 材料······13

3.2 设计指标······13

4结构分析······14

4.1 结构分析计算······14

4.2 结构变形计算······14

5 连接的构造和计算······16

5.1 一般规定······16

5.2 焊接连接······16

5.3 栓接连接······18

6 钢梁的设计与制造······19

6.1 铡梁类型及适用范围······19

6.2 钢梁的设计······19

6.3 钢梁的制造······23

7 钢塔的设计与制造······26

7.1 铡塔的设计······26

7.2 钢塔的制造······26

8 钢桥面铺装······27

9 防护及维护设计······28

9.1 防雷设汁······28

9.2 防腐设汁······28

9.3维护设计······29

10 降噪设计······30

11 施工安全与环境保护······31

11.1 一般规定······31

11.2 施工安伞······31

11.3 环境保护······33

附录A 特殊焊接接头······34

本标准用词说明······36

引用标准名录······37

条文说明······38

1 总则······42

2 术语和符号······43

2.1 术语······43

3 材料及设计指标······45

3.1 材料······45

3 2 设计指标······46

4 结构分析······47

4.1 结构分析计算······47

4.2 结构变形计算······48

5 连接的构造和计算······49

5.1 一般规定······49

5.2 焊接连接······49

5.3 栓接连接······52

6 钢梁的设计与制造······53

6 1 钢梁类型及适用范罔······53

6.2 钢梁的设计······53

6.3 铡梁的制造······56

7 钢塔的设计与制造······58

7.1 钢塔的设计······58

7.2 钢塔的制造······59

8 钢桥面铺装······60

9 防护及维护设计······64

9.1 防雷设计······64

9.2 防腐设计······64

9.3 维护设计······65

10 降噪设计······66

11 施工安全与环境保护······67

11.1 一般规定······67

11.2 施工安全······67