GBT51238-2018······1

1 總則······11

2 術(shù)語和符號(hào)······12

2.1 術(shù)語······12

2.2 符號(hào)······13

3 基本規(guī)定······15

4 勘察與評(píng)價(jià)······17

4.1 一般規(guī)定······17

4.2 紅黏土地基······18

4.3 巖溶地基······21

4.4 地下水······25

5 地基計(jì)算和基礎(chǔ)設(shè)計(jì)······28

5.1 一般規(guī)定······28

5.2 地基穩(wěn)定性計(jì)算······29

5.3 地基基礎(chǔ)設(shè)計(jì)······32

5.4 抗浮設(shè)計(jì)······34

5.5 基坑工程設(shè)計(jì)······35

6 巖溶地基處理與施工······38

6.1 一般規(guī)定······38

6.2 充填法······39

6.3 跨越法······40

6.4 樁基法······41

6.5 高壓噴射注漿法······41

6.6 褥墊層法······43

6.7 其他處理方法······43

7 檢驗(yàn)與監(jiān)測(cè)······45

7.1 一般規(guī)定······45

7.2 檢驗(yàn)······46

7.3 監(jiān)測(cè)······47

附錄A 紅黏土、石芽、溶蝕、溶洞分類表······50

附錄B 石芽地基或基巖的穩(wěn)定計(jì)算······53

附錄C 溶洞的穩(wěn)定計(jì)算······55

附錄D 泡沫輕質(zhì)土充填處理的配合比······58

本標(biāo)準(zhǔn)用詞說明······60

引用標(biāo)準(zhǔn)名錄······61

附: 條文說明······63

1 總則······66

2 術(shù)語和符號(hào)······67

2.1 術(shù)語······67

3 基本規(guī)定······68

4 勘察與評(píng)價(jià)······71

4.1 一般規(guī)定······71

4.2 紅黏土地基······71

4.3 巖溶地基······73

4.4 地下水······78

5 地基計(jì)算和基礎(chǔ)設(shè)計(jì)······81

5.1 一般規(guī)定······81

5.2 地基穩(wěn)定性計(jì)算······82

5.3 地基基礎(chǔ)設(shè)計(jì)······82

5.4 抗浮設(shè)計(jì)······84

5.5 基坑工程設(shè)計(jì)······85

6 巖溶地基處理與施工······89

6.1 一般規(guī)定······89

6.2 充填法······89

6.3 跨越法······90

6.4 樁基法······90

6.5 高壓噴射注漿法······91

6.6 褥墊層法······91

6.7 其他處理方法······92

7 檢驗(yàn)與監(jiān)測(cè)······93

7.1 一般規(guī)定······93

7.2 檢驗(yàn)······93

7.3 監(jiān)測(cè)······94