DBT29-247-2017······1

1 總則······15

2 術(shù)語和符號······16

2.1 術(shù)語······16

2.2 符號······17

3 工程地質(zhì)條件······20

3.1 地形地貌······20

3.2 地基土的分類與定名······20

3.3 地基土層······23

4 勘察階段與勘察分級······25

4.1 勘察階段······25

4.2 勘察分級······26

5 建筑工程勘察······28

5.1 一般規(guī)定······28

5.2 天然地基······31

5.3 地基處理······33

5.4 樁基······36

5.5 基坑工程······38

6 市政工程勘察······41

6.1 一般規(guī)定······41

6.2 城市橋涵工程······41

6.3 城市道路工程······43

6.4 城市室外管道工程······45

6.5 城市堤岸工程······46

7 場地和地基的地震效應(yīng)······49

7.1 一般規(guī)定······49

7.2 場地類別劃分······50

7.3 液化判別······52

7.4 軟土震陷······58

8 不良地質(zhì)作用和地質(zhì)災(zāi)害······59

8.1 滑坡······59

8.2 危巖和崩塌······61

8.3 泥石流······62

8.4 活動(dòng)斷裂······64

8.5 地面沉降······65

9 特殊性巖土······67

9.1 填土······67

9.2 軟土······68

9.3 鹽漬土······69

9.4 紅黏土······69

9.5 風(fēng)化巖和殘積土······72

10 工程地質(zhì)調(diào)查與勘探······74

10.1 工程地質(zhì)測繪與調(diào)查······74

10.2 勘探點(diǎn)定位與高程測量······76

10.3 鉆探······76

10.4 取樣······78

10.5 工程物探······80

11 原位測試······82

11.1 一般規(guī)定······82

11.2 載荷試驗(yàn)······82

11.3 靜力觸探試驗(yàn)······84

11.4 圓錐動(dòng)力觸探試驗(yàn)······84

11.5 標(biāo)準(zhǔn)貫入試驗(yàn)······85

11.6 十字板剪切試驗(yàn)······86

11.7 旁壓試驗(yàn)······87

11.8 扁鏟側(cè)脹試驗(yàn)······88

11.9 波速試驗(yàn)······90

12 地下水······91

12.1 一般規(guī)定······91

12.2 水文地質(zhì)參數(shù)的測定······92

12.3 地下水作用評價(jià)······94

13 室內(nèi)試驗(yàn)······97

13.1 一般規(guī)定······97

13.2 試樣制備及飽和······97

13.3 土的物理性質(zhì)試驗(yàn)······98

13.4 土的力學(xué)性質(zhì)試驗(yàn)······99

14 現(xiàn)場檢驗(yàn)和監(jiān)測······102

14.1 一般規(guī)定······102

14.2 地基基礎(chǔ)的檢驗(yàn)和監(jiān)測······102

14.3 地下水的監(jiān)測······103

15 巖土工程分析評價(jià)······105

15.1 一般規(guī)定······105

15.2 巖土參數(shù)數(shù)理統(tǒng)計(jì)······105

15.3 承載力確定······106

15.4 巖土工程勘察成果報(bào)告的基本要求······111

附錄A 天津市地貌分區(qū)及濱海地區(qū)上部陸相新近沉積層分布圖······114

附錄B 天津市地基士層年代成因?qū)有虮怼ぁぁぁぁぁ?15

本規(guī)范用詞說明······116

引用標(biāo)準(zhǔn)名錄······117

條文說明······118

1 總則······124

2 術(shù)語和符號······125

2.1 術(shù)語······125

3 工程地質(zhì)條件······127

3.1 地形地貌······127

3.2 地基土的分類與定名······129

3.3 地基土層······134

4 勘察階段與勘察分級······136

4.1 勘察階段······136

4.2 勘察分級······137

5 建筑工程勘察······138

5.1 一般規(guī)定······138

5.2 天然地基······141

5.3 地基處理······143

5.4 樁基······144

5.5 基坑工程······147

6 市政工程勘察······149

6.1 一般規(guī)定······149

6.2 城市橋涵工程······150

6.3 城市道路工程······150

6.5 城市堤岸工程······151

7 場地和地基的地震效應(yīng)······152

7.1 一般規(guī)定······152

7.2 場地類別劃分······155

7.3 液化判別······156

7.4 軟土震陷······165

8 不良地質(zhì)作用和地質(zhì)災(zāi)害······167

8.1 滑坡······167

8.2 危巖和崩塌······169

8.3 泥石流······170

8.4 活動(dòng)斷裂······171

8.5 地面沉降······172

9 特殊性巖土······173

9.1 填土······173

9.2 軟土······174

9.3 鹽漬土······175

9.4 紅黏土······175

9.5 風(fēng)化巖和殘積土······177

10 工程地質(zhì)調(diào)查與勘探······179

10.1 工程地質(zhì)測繪與調(diào)查······179

10.2 勘探點(diǎn)定位與高程測量······180

10.3 鉆探······182

10.4 取樣······184

10.5 工程物探······187

11 原位測試······188

11.1 一般規(guī)定······188

11.2 載荷試驗(yàn)······189

11.3 靜力觸探試驗(yàn)······191

11.4 動(dòng)力觸探試驗(yàn)······191

11.5 標(biāo)準(zhǔn)貫入試驗(yàn)······192

11.6 十字板剪切試驗(yàn)······194

11.7 旁壓試驗(yàn)······195

11.8 扁鏟側(cè)脹試驗(yàn)······196

11.9 波速試驗(yàn)······197

12 地下水······199

12.1 一般規(guī)定······199

12.2 水文地質(zhì)參數(shù)的測定······200

12.3 地下水作用評價(jià)······203

13 室內(nèi)試驗(yàn)······205

13.1 一般規(guī)定······205

13.2 試樣制備及試樣飽和······207

13.3 土的物理性質(zhì)試驗(yàn)······208

13.4 土的力學(xué)性質(zhì)試驗(yàn)······209

14 現(xiàn)場檢驗(yàn)和監(jiān)測······211

14.1 一般規(guī)定······211

14.2 地基基礎(chǔ)的檢驗(yàn)和監(jiān)測······211

14.3 地下水的監(jiān)測······213

15 巖土工程分析與評價(jià)······214

15.1 一般規(guī)定······214

15.2 巖土參數(shù)數(shù)理統(tǒng)計(jì)······214

15.3 承載力確定······215

15.4 巖土工程勘察成果報(bào)告的基本要求······218