主要技術(shù)內(nèi)容是:總則、術(shù)語和符號、基本規(guī)定、復合地基勘察要點、復合地基計算、深層攪拌樁復合地基、高壓旋噴樁復合地基、灰土擠密樁復合地基、夯實水泥土樁復合地基、石灰樁復合地基、擠密砂石樁復合地基、置換砂石樁復合地基、強夯置換墩復合地基、剛性樁復合地基、長-短樁復合地基、樁網(wǎng)復合地基、復合地基監(jiān)測與檢測要點等。

1總 則······13

2 術(shù)語和符號······14

2.1 術(shù)語······14

2.2 符號······16

3 基本規(guī)定······20

4 復合地基勘察要點······22

5 復合地基計算······24

5.1 荷載計算······24

5.2 承載力計算······25

5.3 沉降計算······28

5.4 穩(wěn)定分析······31

6 深層攪拌樁復合地基······32

6.1 一般規(guī)定······32

6.2 設(shè)計······32

6.3 施工······34

6.4 質(zhì)量檢驗······36

7 高壓旋噴樁復合地基······37

7.1 —般規(guī)定······37

7.2 設(shè)計······37

7.3 施工······38

7.4 質(zhì)量檢驗······38

8 灰土擠密樁復合地基······40

8.1 一般規(guī)定······40

8.2 設(shè)計······40

8.3 施工······42

8.4 質(zhì)量檢驗······42

9 夯實水泥土樁復合地基······44

9.1 一般規(guī)定······44

9.2 設(shè)計······44

9.3 施工······45

9.4 質(zhì)量檢驗······46

10 石灰樁復合地基······48

10.1 一般規(guī)定······48

10.2 設(shè)計······49

10.3 施工······50

10.4 質(zhì)量檢驗······51

11 擠密砂石樁復合地基······52

11.1 一般規(guī)定······52

11.2 設(shè)計······52

11.3 施工······55

11.4 質(zhì)量檢驗······56

12 置換砂石樁復合地基······57

12.1 一般規(guī)定······57

12.2 設(shè)計······57

12.3 施工······58

12.4 質(zhì)量檢驗······59

13 強夯置換墩復合地基······60

13.1 一般規(guī)定······60

13.2 設(shè)計······60

13.3 施工······63

13.4 質(zhì)量檢驗······64

14 剛性樁復合地基······66

14.1 一般規(guī)定······66

14.2 設(shè)計······66

14.3 施工······68

14.4 質(zhì)量檢驗······69

15 長-短樁復合地基······70

15.1 一般規(guī)定······70

15.2 設(shè)計······70

15.3 施工······71

15.4 質(zhì)量檢驗······71

16 樁網(wǎng)復合地基······73

16.1 一般規(guī)定······73

16.2 設(shè)計······73

16.3 施工······80

16.4 質(zhì)量檢驗······78

17 復合地基監(jiān)測與檢測要點······80

17.1 一般規(guī)定······80

17.2 監(jiān)測······80

17.3 檢測······81

附錄A 豎向抗壓載荷試驗要點······83

本規(guī)范用詞說明······87

引用標淮名錄······88

附:條文說明······89

1 總 則······94

2 術(shù)語和符號······95

2.1 術(shù)語······95

3 基本規(guī)定······97

4 復合地基勘察要點······104

5 復合地基計算······105

5.2 承載力計算······105

5.3 沉降計算······106

5.4 穩(wěn)定分析······111

6 深層攪拌樁復合地基······113

6.1 一般規(guī)定······113

6.2 設(shè)計······119

6.3 施工······124

6.4 質(zhì)量檢驗······126

7 高壓旋噴樁復合地基······128

7.1 一般規(guī)定······128

7.2 設(shè)計······129

7.3 施工······129

7.4 質(zhì)量檢驗······130

8 灰土擠密樁復合地基······131

8.1 一般規(guī)定······131

8.2 設(shè)計······132

8.3 施工······133

8.4 質(zhì)量檢驗······134

9 夯實水泥土樁復合地基······135

9.1 一般規(guī)定······135

9.2 設(shè)計······135

9.3 施工······137

9.4 質(zhì)量檢驗······138

10 石灰樁復合地基······140

10.1 一般規(guī)定······140

10.2 設(shè)計······141

10.3 施工······144

10.4 質(zhì)量檢驗······144

11 擠密砂石樁復合地基······146

11.1 一般規(guī)定······146

11.2 設(shè)計······147

11.3 施工······151

11.4 質(zhì)量檢驗······154

12 置換砂石樁復合地基······156

12.1 —般規(guī)定······156

12.2 設(shè)計······157

12.3 施工······159

12.4 質(zhì)量檢驗······162

13 強夯置換墩復合地基······164

13.1 一般規(guī)定······164

13.2 設(shè)計······164

13.3 施工······169

13.4 質(zhì)量檢驗······170

14 剛性樁復合地基······171

14.1 —般規(guī)定······171

14.2 設(shè)計······171

14.4 質(zhì)量檢驗······174

15 長-短樁復合地基······175

15.1 一般規(guī)定······175

15.2 設(shè)計······175

15.3 施工······177

16 樁網(wǎng)復合地基······178

16.1 一般規(guī)定······178

16.2 設(shè)計······179

16.3 施工······188

16.4 質(zhì)量檢驗······189

17 復合地基監(jiān)測與檢測要點······190

17.2 監(jiān)測······190

17.3 檢測······190

附錄A 豎向抗壓載荷試驗要點······193