DBT29-253-2018······1

1 總則······14

2 術(shù)語和符號(hào)······15

2.1 術(shù)語······15

2.2 符號(hào)······16

3 基本規(guī)定······19

3.1 —般規(guī)定······19

3.2 土的分類與圍巖分級(jí)······20

4 區(qū)域地質(zhì)環(huán)境······24

4.1 地形地貌······24

4.2 區(qū)域地質(zhì)······24

4.3 地層劃分······25

4.4 水文地質(zhì)······25

5 可行性研宄勘察······27

5.1 —般規(guī)定······27

5.2 目的與任務(wù)······27

5.3 勘察要求······28

6 初步勘察······30

6.1 —般規(guī)定······30

6.2 目的與任務(wù)······31

6.3 地下工程······31

6.4 高架工程······33

6.5 路基、涵洞工程······33

6.6 地面車站、車輛基地······34

7 詳細(xì)勘察······36

7.1 —般規(guī)定······36

7.2 目的與任務(wù)······37

7.3 地下工程······37

7.4 高架工程······40

7.5 路基、涵洞工程······41

7.6 地面車站、車輛基地······42

8 專項(xiàng)勘察及施工勘察······44

8.1 專項(xiàng)勘察······44

8.2 施工勘察······45

9 不良地質(zhì)作用與特殊性巖土······47

9.1 一般規(guī)定······47

9.2 地面沉降······48

9.3 地震液化······48

9.4 古河道······49

9.5 軟土與軟土震陷······50

9.6 填土······51

9.7 鹽漬土······52

10 地下水······54

10.1 一般規(guī)定······54

10.2 地下水的勘察要求······54

10.3 水文地質(zhì)參數(shù)測(cè)定······55

10.4 地下水作用······57

10.5 地下水控制······58

11 勘探、取樣與原位測(cè)試······59

11.1 一般規(guī)定······59

11.2 勘探點(diǎn)定位與測(cè)量······60

11.3 勘探······60

11.4 取樣······62

11.5 地球物理勘探······63

11.6 原位測(cè)試······64

12 室內(nèi)試驗(yàn)······69

12.1 —般規(guī)定······69

12.2 土的物理性質(zhì)試驗(yàn)······69

12.3 土的力學(xué)性質(zhì)試驗(yàn)······70

13 巖土工程分析評(píng)價(jià)及成果報(bào)告······72

13.1 —般規(guī)定······72

13.2 巖土參數(shù)的統(tǒng)計(jì)和選定······73

13.3 成果分析與評(píng)價(jià)······75

13.4 勘察報(bào)告的內(nèi)容······77

14 工程周邊環(huán)境調(diào)查······80

14.1 一般規(guī)定······80

14.2 工程周邊環(huán)境專項(xiàng)調(diào)查······80

15 現(xiàn)場(chǎng)檢驗(yàn)與監(jiān)測(cè)······83

15.1 —般規(guī)定······83

15.2 現(xiàn)場(chǎng)檢驗(yàn)······83

15.3 現(xiàn)場(chǎng)監(jiān)測(cè)······84

本規(guī)程用詞說明······86

引用標(biāo)準(zhǔn)名錄······87

條文說明······88

1 總則······93

3 基本規(guī)定······95

3.1 一般規(guī)定······95

3.2 土的分類與圍巖分級(jí)······98

4 區(qū)域地質(zhì)環(huán)境······100

4.1 地形地貌······100

4.2 區(qū)域地質(zhì)······101

4.3 地層劃分······101

4.4 水文地質(zhì)······103

5 可行性研宄勘察······105

5.1 —般規(guī)定······105

5.2 目的與任務(wù)······105

5.3 勘察要求······106

6 初步勘察······107

6.1 —般規(guī)定······107

6.3 地下工程······108

6.4 高架工程······110

6.6 地面車站、車輛基地······110

7詳細(xì)勘察······111

7.1 —般規(guī)定······111

7.3 地下工程······111

7.4 高架工程······113

7.6 地面車站、車輛基地······114

8 專項(xiàng)勘察及施工勘察······115

8.1 專項(xiàng)勘察······115

8.2 施工勘察······116

9 不良地質(zhì)作用與特殊性巖土······117

9.1 一般規(guī)定······117

9.2 地面沉降······118

9.3 地震液化······118

9.4 古河道······120

9.5 軟土與軟土震陷······120

9.6 填土······122

9.7 鹽漬土······123

10 地下水······125

10.1 —般規(guī)定······125

10.2 地下水的勘察要求······127

10.3 水文地質(zhì)參數(shù)測(cè)定······128

10.4 地下水作用······130

10.5 地下水控制······132

11 勘探、取樣與原位測(cè)試······135

11.1 一般規(guī)定······135

11.2 勘探點(diǎn)定位與測(cè)量······135

11.3 勘探······136

11.4 取樣······137

11.5 地球物理勘探······137

11.6 原位測(cè)試······138

12 室內(nèi)試驗(yàn)······141

12.1 —般規(guī)定······141

12.2 土的物理性質(zhì)試驗(yàn)······141

12.3 土的力學(xué)性質(zhì)試驗(yàn)······146

13 巖土工程分析評(píng)價(jià)及成果報(bào)告······147

13.1 —般規(guī)定······147

13.2 巖土參數(shù)的統(tǒng)計(jì)和選定······148

13.3 成果分析與評(píng)價(jià)······149

13.4 勘察報(bào)告的內(nèi)容······150

14 工程周邊環(huán)境調(diào)查······157

14.1 一般規(guī)定······157

14.2 工程周邊環(huán)境專項(xiàng)調(diào)查······157

15 現(xiàn)場(chǎng)檢驗(yàn)與監(jiān)測(cè)······162

15.1 —般規(guī)定······162

15.2 現(xiàn)場(chǎng)檢驗(yàn)······162

15.3 現(xiàn)場(chǎng)監(jiān)測(cè)······163