DB/T29-263-2019：天津市无砂法真空预压加固软基技术标准

DBT29-263-2019······1

1 总则······8

2 术语······9

3 基本规定······10

4 设计······12

4.1 一般规定······12

4.2 荷载······13

4.3 排水系统······13

4.4 密封系统······14

4.5 抽真空设备······15

4.6 设计计算······15

5 施工······19

5.1 一般规定······19

5.2 排水系统······19

5.3 密封系统······20

5.4 加载······21

5.5 施工监控······21

6 加固效果检测······23

附录A 监控记录表······24

附录B 由现场实测资料推算沉降量及固结度······31

本标准用词说明······33

引用标准名录······34

条文说明······35

1 总则······38

3 基本规定······39

4 设计······41

4.1 一般规定······41

4.2 荷载······42

4.3 排水系统······42

4.4 密封系统······43

4.5 抽真空设备······43

5 施工······44

5.1 一般规定······44

5.2 排水系统······44

5.3 密封系统······44

5.5 施工监控······45

6 加固效果检测······46

附录A 监控记录表······47

附录B 由现场实测资料推算沉降量及固结度······48