GB50007-2011······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 基本規(guī)定······20

4 地基巖土的分類及工程特性指標(biāo)······26

4.1 巖土的分類······26

4.2 工程特性指標(biāo)······30

5 地基計(jì)算······32

5.1 基礎(chǔ)埋置深度······32

5.2 承載力計(jì)算······35

5.3 變形計(jì)算······40

5.4 穩(wěn)定性計(jì)算······45

6 山區(qū)地基······48

6.1 一般規(guī)定······48

6.2 土巖組合地基······49

6.3 鎮(zhèn)土地基······51

6.4 滑坡防治······53

6.5 巖石地基······55

6.6 巖溶與土洞······56

6.7 土質(zhì)邊坡與重力式擋墻······59

6.8 巖石邊坡與巖石錨桿擋墻······64

7 軟弱地基······68

7.1 一般規(guī)定······68

7.2 利用與處理······68

7.3 建筑措施······70

7.4 結(jié)構(gòu)措施······72

7.5 大面積地面荷載······73

8 基礎(chǔ)······75

8.1 無筋擴(kuò)展基礎(chǔ)······75

8.2 擴(kuò)展基礎(chǔ)······77

8.3 柱下條形基礎(chǔ)······88

8.4 高層建筑筏形基礎(chǔ)······89

8.5 樁基礎(chǔ)······100

8.6 巖石錨桿基礎(chǔ)······113

9 基坑工程······116

9.1 一般規(guī)定······116

9.2 基坑工程勘察與環(huán)境調(diào)查······118

9.3 土壓力與水壓力······119

9.4 設(shè)計(jì)計(jì)算······119

9.5 支護(hù)結(jié)構(gòu)內(nèi)支撐······121

9.6 圖層錨桿······122

9.7 基坑工程逆作法······123

9.8 巖土基坑工程······125

9.9 地下水控制······126

10 檢驗(yàn)與檢測······129

10.1 一般規(guī)定······129

10.2 檢驗(yàn)······129

10.3 監(jiān)測······132

附錄A 巖石堅(jiān)硬程度及巖體完整程度的劃分······135

附錄B 碎石土野外鑒別······137

附錄C 淺層平板載荷試驗(yàn)要點(diǎn)······138

附錄D 深層平板載荷試驗(yàn)要點(diǎn)······140

附錄E 抗剪強(qiáng)度指標(biāo)c、φ標(biāo)準(zhǔn)值······141

附錄F 中國季節(jié)性凍土標(biāo)準(zhǔn)凍深線圖······143

附錄G 地基土的凍脹性分類及建筑基礎(chǔ)底面下允許凍土層最大厚度······144

附錄H 巖石地基載荷試驗(yàn)要點(diǎn)······147

附錄J 巖石飽和單軸抗壓強(qiáng)度試驗(yàn)要點(diǎn)······149

附錄K 附加應(yīng)力系數(shù)α、平均附加應(yīng)力系數(shù)α······150

附錄L 擋土墻主動(dòng)土壓力系數(shù)ka······163

附錄M 巖石錨桿抗撥試驗(yàn)要點(diǎn)······168

附錄N 大面積地面荷載作用下地基附加沉降量計(jì)算······169

附錄P 沖切臨界截面周長及慣性矩計(jì)算公式······171

附錄Q 單樁豎向靜載荷試驗(yàn)要點(diǎn)······174

附錄R 樁基礎(chǔ)最終沉降量計(jì)算······177

附錄S 單樁水平載荷試驗(yàn)要點(diǎn)······182

附錄T 單樁豎向抗撥載荷試驗(yàn)要點(diǎn)······186

附錄U 階梯形承臺及錐形承臺斜截面受剪的截面寬度······189

附錄V 支護(hù)結(jié)構(gòu)穩(wěn)定性試驗(yàn)······191

附錄W 基坑抗?jié)B流穩(wěn)定性計(jì)算······195

附錄Y 土層錨桿試驗(yàn)要點(diǎn)······196

本規(guī)范用詞說明······199

引用標(biāo)準(zhǔn)名錄······200

附:條文說明······201

1 總則······206

2 術(shù)語和符號······208

2.1 術(shù)語······208

3 基本規(guī)定······209

4 地基巖土的分類及工程特性指標(biāo)······213

4.1 巖土的分類······213

4.2 工程特性指標(biāo)······216

5 地基計(jì)算······220

5.1 基礎(chǔ)埋置深度······220

5.2 承載力計(jì)算······227

5.3 變形計(jì)算······234

5.4 穩(wěn)定性計(jì)算······254

6 山區(qū)地基······255

6.1 一般規(guī)定······255

6.2 土巖組合地基······255

6.3 鎮(zhèn)土地基······255

6.4 滑坡防治······257

6.5 巖石地基······257

6.6 巖溶與土洞······258

6.7 土質(zhì)邊坡與重力式擋墻······259

6.8 巖石邊坡與巖石錨桿擋墻······261

7 軟弱地基······265

7.2 利用與處理······265

7.5 大面積地面荷載······266

8 基礎(chǔ)······273

8.1 無筋擴(kuò)展基礎(chǔ)······273

8.2 擴(kuò)展基礎(chǔ)······274

8.3 柱下條形基礎(chǔ)······280

8.4 高層建筑筏形基礎(chǔ)······280

8.5 樁基礎(chǔ)······301

9 基坑工程······315

9.1 一般規(guī)定······315

9.2 基坑工程勘察與環(huán)境調(diào)查······318

9.3 土壓力與水壓力······320

9.4 設(shè)計(jì)計(jì)算······322

9.5 支護(hù)結(jié)構(gòu)內(nèi)支撐······331

9.6 圖層錨桿······333

9.7 基坑工程逆作法······335

9.8 巖土基坑工程······338

9.9 地下水控制······338

10 檢驗(yàn)與檢測······341

10.1 一般規(guī)定······341

10.2 檢驗(yàn)······341

10.3 監(jiān)測······346