1 總則······13

2 術(shù)語和符號(hào)······14

2.1 術(shù)語······14

2.2 符號(hào)······15

3 基本規(guī)定······17

4 地基基礎(chǔ)鑒定······19

4.1 一般規(guī)定······19

4.2 地基鑒定······20

4.3 基礎(chǔ)鑒定······21

5 地基基礎(chǔ)計(jì)算······23

5.1 一般規(guī)定······23

5.2 地基承載力計(jì)算······23

5.3 地基變形計(jì)算······27

6 增層改造······29

6.1 一般規(guī)定······29

6.2 直接增層······29

6.3 外套結(jié)構(gòu)增層······31

7 糾傾加固······32

7.l 一般規(guī)定······32

7.2 迫降糾傾······32

7.3 頂升糾傾······37

8 移位加固······42

8.1 一般規(guī)定······42

8.2 設(shè)計(jì)······42

8.3 施工······47

9 托換加固······49

9.1 一般規(guī)定······49

9.2 設(shè)計(jì)······50

9.3 施工······52

10 事故預(yù)防與補(bǔ)救······53

10.1 —般規(guī)定······53

10.2 地基不均勻變形過大引起事故的補(bǔ)救······53

10.3 鄰近建筑施工引起事故的預(yù)防與補(bǔ)救······55

10.4 深基坑工程引起事故的預(yù)防與補(bǔ)救······56

10.5 地下工程施工引起事故的預(yù)防與補(bǔ)救······57

10.6 地下水位變化過大引起事故的預(yù)防與補(bǔ)救······58

11 加固方法······59

11.1 一般規(guī)定······59

11.2 基礎(chǔ)補(bǔ)強(qiáng)注漿加固······59

l1.3 擴(kuò)大基礎(chǔ)······59

11.4 錨桿靜壓樁······61

11.5 樹根樁······65

11.6 坑式靜壓樁······67

11.7 注漿加固······69

11.8 石灰樁······73

11.9 其他地基加固方法······75

12 檢驗(yàn)與監(jiān)測(cè)······77

12.1 一般規(guī)定······77

12.2 檢驗(yàn)······77

12.3 監(jiān)測(cè)······78

附錄A 既有建筑基礎(chǔ)下地基土載荷試驗(yàn)要點(diǎn)······80

附錄B 既有建筑地基承載力持載再加荷載荷試驗(yàn)要點(diǎn)······82

附錄C 既有建筑樁基礎(chǔ)單樁承載力持載再加荷載荷試驗(yàn)要點(diǎn)······84

本規(guī)范用詞說明······86

引用標(biāo)準(zhǔn)名錄······87

附:條文說明······88

1 總則······92

3 基本規(guī)定······93

4 地基基礎(chǔ)鑒定······95

4.1 一般規(guī)定······95

4.2 地基鑒定······97

4.3 基礎(chǔ)鑒定······98

5 地基基礎(chǔ)計(jì)算······100

5.1 一般規(guī)定······100

5.2 地基承載力計(jì)算······100

5.3 地基變形計(jì)算······105

6 增層改造······107

6.1 一般規(guī)定······107

6.2 直接增層······107

6.3 外套結(jié)構(gòu)增層······108

7 糾傾加固······109

7.1 一般規(guī)定······109

7.2 迫降糾傾······110

7.3 頂升糾傾······112

8 移位加固······117

8.1 一般規(guī)定······117

8.2 設(shè)計(jì)······118

8.3 施工······120

9 托換加固······122

9.1 一般規(guī)定······122

9.2 設(shè)計(jì)······122

9.3 施工······123

10 事故預(yù)防與補(bǔ)救······124

10.1 一般規(guī)定······124

10.2 地基不均勻變形過大引起事故的補(bǔ)救······124

10.3 鄰近建筑施工引起事故的預(yù)防與補(bǔ)救······125

10.4 深基坑工程引起事故的預(yù)防與補(bǔ)救······126

10.5 地下工程施工引起事故的預(yù)防與補(bǔ)救······127

10.6 地下水位變化過大引起事故的預(yù)防與補(bǔ)救······128

11 加固方法······129

11.1 一般規(guī)定······129

11.2 基礎(chǔ)補(bǔ)強(qiáng)注漿加固······130

11.3 擴(kuò)大基礎(chǔ)······130

11.4 錨桿靜壓樁······132

11.5 樹根樁······135

11.6 坑式靜壓樁······136

11.7 注漿加固······138

11.8 石灰樁······142

11.9 其他地基加固方法······144

12 檢驗(yàn)與監(jiān)測(cè)······146

12.1 一般規(guī)定······146

12.2 檢驗(yàn)······146

12.3 監(jiān)測(cè)······147