GB/T51256-2017：桥梁顶升移位改造技术规范

GBT51256-2017······1

1 总则······9

2 术语和符号······10

2.1 术语······10

2.2 符号······11

3 基本规定······13

4 设计······14

4.1 一般规定······14

4.2 顶升移位改造设计······14

4.3 设备配置······18

5 施工······19

5.1 一般规定······19

5.2 施工准备······19

5.3 顶升施工······20

5.4 移位施工······22

5.5 结构改造施工······23

5.6 施工设备与操作······23

6 施工监控······25

6.1 一般规定······25

6.2 监控内容与方式······25

6.3 监控成果······27

7 质量检验······29

本规范用词说明······32

引用标准名录······33

附:条文说明······35

1 总则······37

2 术语和符号······38

2.1 术语······38

2.2 符号······38

3 基本规定······39

4 设计······40

4.1 一般规定······40

4.2 顶升移位改造设计······41

4.3 设备配置······50

5 施工······51

5.1 一般规定······51

5.2 施工准备······51

5.3 顶升施工······52

5.4 移位施工······54

5.5 结构改造施工······54

5.6 施工设备与操作······54

6 施工监控······56

6.1 一般规定······56

6.2 监测内容与方式······57

6.3 监控成果······59

7 质量检验······61