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
