DB/T29-283-2020：天津市排水管道非开挖修复工程技术规程

DBT29-283-2020······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······14

4 材料······15

5 设计······20

5.1 一般规定······20

5.2 内衬管设计······21

5.3 水力计算······27

5.4 工作坑设计······28

6 施工······29

6.1 一般规定······29

6.2 管道预处理······29

6.3 翻转式原位固化法······31

6.4 紫外光原位固化法······33

6.5 机械制螺旋缠绕法······34

6.6 管片内衬法······35

6.7 不锈钢套筒法······36

6.8 点状原位固化法······36

6.9 砂浆喷涂法······38

7 工程验收······40

7.1 一般规定······40

7.2 原管道预处理······43

7.3 修复管道验收······44

7.4 管道功能性试验······46

7.5 工程竣工验收······47

本规程用词说明······50

引用标准名录······51

条文说明······52

1 总则······55

2 术语和符号······56

2.1 术语······56

3 基本规定······59

4 材料······60

5 设计······63

5.1 一般规定······63

5.2 内衬管设计······64

5.3 水力计算······64

6 施工······65

6.2 管道预处理······65

6.3 翻转式原位固化法······65

6.4 紫外光原位固化法······67

6.5 机械制螺旋缠绕法······68

6.6 管片内衬法······70

6.7 不锈钢套筒法······71

6.8 点状原位固化法······72

6.9 砂浆喷涂法······73

7 工程验收······75

7.1 一般规定······75

7.3 修复管道验收······75

7.5 工程竣工验收······75