JGJ270-2012：建筑物倾斜纠偏技术规程

本规程的主要技术内容是:1.总则;2.术语和符号;3.基本规定;4.检测鉴定;5.纠偏设计;6.纠偏施工;⒎ 监测;8.工程验收。

JGJ270-2012······1

1 总则······11

2 术语和符号······12

2.1 术语······12

2.2 符号······13

3 基本规定······15

4 检测鉴定······17

4.1 一般规定······17

4.2 检测······17

4.3 鉴定······18

5 纠偏设计······20

5.1 一般规定······20

5.2 纠偏设计计算······21

5.3 迫降法设计······24

5.4 抬升法设计······29

5.5 综合法设计······33

5.6 古建筑物纠偏设计······33

5.7 防复倾加固设计······34

6 纠偏施工······36

6.1 一般规定······36

6.2 迫降法施工······37

6.3 抬升法施工······40

6.4 综合法施工······43

6.5 古建筑物纠偏施工······43

6.6 防复倾加固施工······44

7 监测······45

7.1 一般规定······45

7.2 沉降监测······46

7.3 倾斜监测······46

7.4 裂缝监测······47

7.5 水平位移监测······47

8 工程验收······48

附录A 建筑物常用纠偏方法选择······49

附录B 建筑物纠偏工程监测记录······51

附录C 建筑物纠偏工程竣工验收记录······53

本规程用词说明······54

引用标准名录······55

附:条文说明······57

1 总则······60

3 基本规定······61

4 检测鉴定······62

4.1 一般规定······62

4.2 检测······62

4.3 鉴定······63

5 纠偏设计······64

5.1 一般规定······64

5.2 纠偏设计计算······66

5.3 迫降法设计······66

5.4 抬升法设计······69

5.5 综合法设计······71

5.6 古建筑物纠偏设计······71

5.7 防复倾加固设计······73

6 纠偏施工······74

6.1 一般规定······74

6.2 迫降法施工······74

6.3 抬升法施工······76

6.4 综合法施工······78

6.5 古建筑物纠偏施工······78

6.6 防复倾加固施工······79

7 监测······80

7.1 一般规定······80

7.2 沉降监测······81

7.3 倾斜监测······81

7.4 裂缝检测······81

7.5 水平位移检测······82

8 工程验收······83