GBT51238-2018······1

1 總則······11

2 術語和符號······12

2.1 術語······12

2.2 符號······13

3 基本規定······15

4 勘察與評價······17

4.1 一般規定······17

4.2 紅黏土地基······18

4.3 巖溶地基······21

4.4 地下水······25

5 地基計算和基礎設計······28

5.1 一般規定······28

5.2 地基穩定性計算······29

5.3 地基基礎設計······32

5.4 抗浮設計······34

5.5 基坑工程設計······35

6 巖溶地基處理與施工······38

6.1 一般規定······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 檢驗與監測······45

7.1 一般規定······45

7.2 檢驗······46

7.3 監測······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定計算······53

附錄C 溶洞的穩定計算······55

附錄D 泡沫輕質土充填處理的配合比······58

本標準用詞說明······60

引用標準名錄······61

附: 條文說明······63

1 總則······66

2 術語和符號······67

2.1 術語······67

3 基本規定······68

4 勘察與評價······71

4.1 一般規定······71

4.2 紅黏土地基······71

4.3 巖溶地基······73

4.4 地下水······78

5 地基計算和基礎設計······81

5.1 一般規定······81

5.2 地基穩定性計算······82

5.3 地基基礎設計······82

5.4 抗浮設計······84

5.5 基坑工程設計······85

6 巖溶地基處理與施工······89

6.1 一般規定······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 檢驗與監測······93

7.1 一般規定······93

7.2 檢驗······93

7.3 監測······94