DBT29-272-2019······1

1 總則······12

2 術(shù)語······13

3 基本規(guī)定······15

3.1 一般規(guī)定······15

3.2 工程勘察······15

3.3 周邊環(huán)境調(diào)查······17

3.4 平縱斷面設(shè)計······18

4 限界及內(nèi)輪廓······20

4.1 一般規(guī)定······20

4.2 隧道最小有效凈空面積······20

4.3 隧道內(nèi)輪廓······21

5 工程材料及耐久性······22

5.1 工程材料······22

5.2 耐久性設(shè)計······23

6 荷載······25

6.1 荷載分類及荷載組合······25

6.2 荷載計算······27

7 結(jié)構(gòu)計算······29

7.1 一般規(guī)定······29

7.2 橫向內(nèi)力計算······30

7.3 縱向內(nèi)力計算······35

7.4 變形計算······35

7.5 管片接頭計算······36

8 抗震計算······37

8.1 一般規(guī)定······37

8.2 設(shè)計地震動參數(shù)······37

8.3 抗震計算······38

8.4 抗震構(gòu)造措施······39

9 管片構(gòu)造······41

9.1 一般規(guī)定······41

9.2 管片拼裝······41

9.3 管片構(gòu)造······43

9.4 鋼筋混凝土管片······45

9.5 鋼管片······48

10 結(jié)構(gòu)防排水······49

10.1 一般規(guī)定······49

10.2 管片自防水······50

10.3 管片接縫防水······50

10.4 特殊部位防水······53

10.5 隧道內(nèi)排水······55

11 附屬結(jié)構(gòu)······56

11.1 盾構(gòu)工作井······56

11.2 聯(lián)絡(luò)通道及疏散平臺······57

11.3 區(qū)間風(fēng)井······58

12 盾構(gòu)施工······59

12.1 地層加固及施工輔助措施······59

12.2 掘進要求······59

12.3 璧后注漿······60

13 監(jiān)控量測······62

13.1 一般規(guī)定······62

13.2 監(jiān)測范圍······62

13.3 監(jiān)測項目······63

13.4 監(jiān)測點布設(shè)······64

13.5 監(jiān)測頻率和監(jiān)測控制值······65

14 風(fēng)險控制······67

14.1 一般規(guī)定······67

14.2 風(fēng)險識別與分級······67

14.3 風(fēng)險分析及控制······68

本規(guī)程用詞說明······70

引用標(biāo)準名錄······71

條文說明······72

1 總則······76

2 術(shù)語······77

3 基本規(guī)定······78

3.1 一般規(guī)定······78

3.2 工程勘察······78

3.3 周邊環(huán)境調(diào)查······79

3.4 平縱斷面設(shè)計······79

4 限界及內(nèi)輪廓······81

4.2 隧道最小有效凈空面積······81

4.3 隧道內(nèi)輪廓······85

5 工程材料及耐久性······88

5.1 工程材料······88

5.2 耐久性設(shè)計······88

6 荷載······89

6.1 荷載分類及荷載組合······89

6.2 荷載計算······89

7 結(jié)構(gòu)計算······93

7.2 橫向內(nèi)力計算······93

7.3 縱向內(nèi)力計算······98

7.5 管片接頭計算······99

8 抗震計算······103

8.3 抗震計算······103

8.4 抗震構(gòu)造措施······103

9 管片構(gòu)造······105

9.2 管片拼裝······105

9.3 管片構(gòu)造······105

9.4 鋼筋混凝土管片······106

10 結(jié)構(gòu)防排水······108

10.1 一般規(guī)定······108

10.2 管片自防水······108

10.3 管片接縫防水······109

11 附屬結(jié)構(gòu)······111

11.1 盾構(gòu)工作井······111

11.2 聯(lián)絡(luò)通道及疏散平臺······113

11.3 區(qū)間風(fēng)井······114

12 盾構(gòu)施工······116

12.1 地層加固及施工輔助措施······116

12.2 掘進要求······118

12.3 壁后注漿······119

13 監(jiān)控量測······121

13.1 一般規(guī)定······121

13.2 監(jiān)測范圍······121

13.3 監(jiān)測項目······122

13.4 監(jiān)測點布設(shè)······123

13.5 監(jiān)測頻率和監(jiān)測控制值······123

14 風(fēng)險控制······125

14.1 一般規(guī)定······125

14.2 風(fēng)險識別與分級······125

14.3 風(fēng)險分析及控制······129