JGJ432-2018······1

1 總則······11

2 術語······12

3 基本規(guī)定······14

4 圍護結構······16

4.1 一般規(guī)定······16

4.2 地下連續(xù)墻······17

4.3 灌住樁排樁······22

4.4 型鋼水泥土攪拌墻······24

4.5 咬合式排樁······26

5 豎向支承樁柱······29

5.1 一般規(guī)定······29

5.2 設計······30

5.3 施工······32

5.4 檢測······35

6 先期地下結構······36

6.1 一般規(guī)定······36

6.2 設計······37

6.3 施工······39

7 后期地下結構······42

7.1 一般規(guī)定······42

7.2 模板工程······42

7.3 混凝土工程······43

7.4 接縫處理······44

8 上下同步逆作法······45

8.1 一般規(guī)定······45

8.2 設計······46

8.3 施工與監(jiān)控······48

9 地下水控制······49

9.1 一般規(guī)定······49

9.2 設計······50

9.3 施工與檢測······51

10 土方挖運······55

10.1 一般規(guī)定······55

10.2 取土口設置······56

10.3 土方開挖······57

10.4 土方水平與垂直運輸······58

11 監(jiān)測······59

11.1 一般規(guī)定······59

11.2 監(jiān)測項目、測點布置及報警值······59

11.3 監(jiān)控信息化管理······62

12 施工安全及作業(yè)環(huán)境控制······64

12.1 一般規(guī)定······64

12.2 通風排氣······64

12.3 照明及電力設施······66

附錄A 逆作法結構連接節(jié)點構造······68

本標準用詞說明······72

引用標準名錄······73

附: 條文說明······75

1 總則······79

3 基本規(guī)定······80

4 圍護結構······86

4.1 一般規(guī)定······86

4.2 地下連續(xù)墻······87

4.3 灌住樁徘樁······91

4.4 型鋼水泥土攪拌墻······93

4.5 咬合式排樁······102

5 豎向支承樁柱······105

5.1 一般規(guī)定······105

5.2 設計······107

5.3 施工······111

5.4 檢測······114

6 先期地下結構······116

6.1 一般規(guī)定······116

6.2 設計······116

6.3 施工······119

7 后期地下結構······121

7.1 一般規(guī)定······121

7.2 模板工程······121

7.3 混凝土工程······121

7.4 接縫處現(xiàn)······121

8 上下同步逆作法······123

8.1 一般規(guī)定······123

8.2 設計······124

8.3 施工與監(jiān)控······124

9 地下水控制······126

9.1 一般規(guī)定······126

9.2 設計······127

9.3 施工與檢測······129

10 土方挖運······134

10.1 一般規(guī)定······134

10.2 取土口設置······134

10.3 土方開挖······135

10.4 土方水平與垂直運輸······135

11 監(jiān)測······136

11.1 一般規(guī)定······136

11.2 監(jiān)測項目、測點布置及報警值······136

11.3 監(jiān)控信息化管理······139

12 施工安全及作業(yè)環(huán)境控制······140

12.2 通風排氣······140

12.3 照明及電力設施······140

附錄A 逆作法結構連接節(jié)點構造······142