GB50202-2018：建筑地基基础工程施工质量验收标准

GB50502-2018······1

1 总则······13

2 术语······14

3 基本规定······15

4 地基工程······17

4.1 一般规定······17

4.2 素土、灰土地基······18

4.3 砂和砂石地基······18

4.4 土工合成材料地基······19

4.5 粉煤灰地基······20

4.6 强夯地基······20

4.7 注浆地基······21

4.8 预压地基······22

4.9 砂石桩复合地基······23

4.10 高压喷射注浆复合地基······24

4.11 水泥土搅拌桩复合地基······26

4.12 土和灰土挤密桩复合地基······27

4.13 水泥粉煤灰碎石桩复合地基······28

4.14 夯实水泥土桩复合地基······29

5 基础工程······30

5.1 一般规定······30

5.2 无筋扩展基础······31

5.3 钢筋混凝土扩展基础······32

5.4 筏形与箱形基础······33

5.5 钢筋混凝土预制桩······34

5.6 泥浆护壁成孔灌注桩······36

5.7 干作业成孔灌注桩······38

5.8 长螺旋钻孔压灌桩······40

5.9 沉管灌注桩······41

5.10 钢桩······42

5.11 锚杆静压桩······43

5.12 岩石锚杆基础······44

5.13 沉井与沉箱······45

6 特殊土地基基础工程······48

6.1 一般规定······48

6.2 湿陷性黄土······48

6.3 冻土······51

6.4 膨胀土······54

6.5 盐渍土······55

7 基坑支护工程······57

7.1 一般规定······57

7.2 排桩······57

7.3 板桩围护墙······61

7.4 咬合桩围护墙······63

7.5 型钢水泥土搅拌墙······64

7.6 土钉墙······65

7.7 地下连续墙······66

7.8 重力式水泥土墙······69

7.9 土体加固······70

7.10 内支撑······70

7.11 锚杆······72

7.12 与主体结构相结合的基坑支护······73

8 地下水控制······75

8.1 一般规定······75

8.2 降排水······75

8.3 回灌······80

9 土石方工程······81

9.1 一般规定······81

9.2 土方开挖······81

9.3 岩质基坑开挖······84

9.4 土石方堆放与运输······86

9.5 土石方回填······87

10 边坡工程······89

10.1 一般规定······89

10.2 喷锚支护······89

10.3 挡土墙······91

10.4 边坡开挖······92

附录A 地基与基础工程验槽······93

本标准用词说明······96

引用标准名录······97

附:条文说明······99

1 总则······103

3 基本规定······104

4 地基工程······107

4.1 一般规定······107

4.2 素土、灰土地基······108

4.3 砂和砂石地基······109

4.4 土工合成材料地基······110

4.5 粉煤灰地基······111

4.6 强夯地基······111

4.7 注浆地基······112

4.8 预压地基······113

4.9 砂石桩复合地基······115

4.10 高压喷射注浆复合地基······115

4.11 水泥土搅拌桩复合地基······115

4.12 土和灰土挤密桩复合地基······116

4.13 水泥粉煤灰碎石桩复合地基······116

4.14 夯实水泥土桩复合地基······117

5 基础工程······118

5.1 一般规定······118

5.2 无筋扩展基础······119

5.3 钢筋混凝土扩展基础······119

5.4 筏形与箱形基础······120

5.5 钢筋混凝土预制桩······120

5.6 泥浆护壁成孔灌注桩······121

5.7 干作业成孔灌注桩······121

5.8 长螺旋钻孔压灌桩······122

5.9 沉管灌注桩······122

5.10 钢桩······122

5.11 锚杆静压桩······122

5.12 岩石锚杆基础······123

5.13 沉井与沉箱······123

6 特殊土地基基础工程······124

6.1 一般规定······124

6.2 湿陷性黄土······124

6.3 冻土······125

6.4 膨胀土······126

6.5 盐渍土······127

7 基坑支护工程······129

7.1 一般规定······129

7.2 排桩······129

7.3 板桩围护墙······131

7.4 咬合桩围护墙······131

7.5 型钢水泥土搅拌墙······131

7.6 土钉墙······131

7.7 地下连续墙······132

7.8 重力式水泥土墙······132

7.9 土体加固······133

7.10 内支撑······133

7.11 锚杆······133

7.12 与主体结构相结合的基坑支护······133

8 地下水控制······135

8.1 一般规定······135

8.2 降排水······136

8.3 回灌······138

9 土石方工程······140

9.1 一般规定······140

9.2 土方开挖······141

9.3 岩质基坑开挖······141

9.4 土石方堆放与运输······141

9.5 土石方回填······142

10 边坡工程······143

10.1 一般规定······143

10.2 喷锚支护······143

10. 3 挡土墙······143

10.4 边坡开挖······144