GB/T51438-2021······1
1 总则······13
2 术语和符号······14
2.1 术语······14
2.2 符号······15
3 基本规定······21
3.1 一般规定······21
3.2 盾构隧道平纵断面设计······23
3.3 盾构隧道内净空确定······24
3.4 盾构隧道防火设计······26
3.5 盾构隧道耐久性设计······27
3.6 盾构选型······28
4 工程勘察及建（构）筑物调查······30
4.1 工程勘察······30
4.2 建（构）筑物调查······35
5 荷载······37
5.1 荷载分类及荷载效应组合······37
5.2 永久荷载······40
5.3 可变荷载······41
5.4 偶然荷载作用······41
6 材料······43
6.1 一般规定······43
6.2 混凝土······43
6.3 钢材······43
7 隧道结构计算······45
7.1 一般规定······45
7.2 横向内力计算······45
7.3 纵向内力计算······50
7.4 变形计算······50
7.5 抗浮稳定性验算······51
7.6 管片接头计算······52
7.7 二次衬砌计算······54
7.8 大断面及特殊隧道计算······54
8 隧道衬砌······56
8.1 一般规定······56
8.2 管片构造······56
8.3 管片拼装······58
8.4 钢筋混凝土管片······59
8.5 钢管片······61
8.6 二次衬砌······62
9 抗震设计······63
9.1 一般规定······63
9.2 设计地震动参数······65
9.3 抗震计算······67
9.4 抗震、减震措施······69
10 防水与防腐蚀······71
10.1 一般规定······71
10.2 防水等级和防水标准······71
10.3 管片结构自防水······72
10.4 管片接缝防水······72
10.5 防腐蚀······73
11 壁后注浆······75
12 地层加固及施工辅助措施······76
12.1 一般规定······76
12.2 注浆加固······77
12.3 深层搅拌加固······77
12.4 高压喷射注浆加固······78
12.5 地层冻结加固······78
12.6 降水······79
13 附属结构······80
13.1 盾构工作井······80
13.2 联络通道······81
13.3 排水泵站······81
13.4 风井······82
13.5 内部结构······82
13.6 其他附属结构······82
14 周边环境保护及风险控制······84
14.1 地表沉降······84
14.2 建（构）筑物保护······84
14.3 风险控制······85
15 工程监测······86
15.1 一般规定······86
15.2 监测范围······86
15.3 监测项目······87
15.4 监测点布设······88
15.5 监测频率······89
15.6 监测控制值······90
附录A 反应位移法······92
附录B 静力法······101
附录C 时程分析法······105
本标准用词说明······108
引用标准名录······109
附：条文说明······111
1 总则······116
3 基本规定······117
3.1 一般规定······117
3.2 盾构隧道平纵断面设计······121
3.3 盾构隧道内净空确定······127
3.4 盾构隧道防火设计······128
3.5 盾构隧道耐久性设计······132
3.6 盾构选型······134
4 工程勘察及建（构）筑物调查······139
4.1 工程勘察······139
4.2 建（构）筑物调查······142
5 荷载······143
5.1 荷载分类及荷载效应组合······143
5.2 永久荷载······147
5.3 可变荷载······150
5.4 偶然荷载作用······152
6 材料······153
6.1 一般规定······153
6.2 混凝土······154
6.3 钢材······154
7 隧道结构计算······155
7.1 一般规定······155
7.2 横向内力计算······155
7.3 纵向内力计算······159
7.4 变形计算······160
7.5 抗浮稳定性验算······161
7.6 管片接头计算······161
7.7 二次衬砌计算······163
7.8 大断面及特殊隧道计算······164
8 隧道衬砌······168
8.1 一般规定······168
8.2 管片构造······169
8.3 管片拼装······172
8.4 钢筋混凝土管片······175
8.6 二次衬砌······175
9 抗震设计······179
9.1 一般规定······179
9.2 设计地震动参数······182
9.3 抗震计算······184
9.4 抗震、减震措施······188
10 防水与防腐蚀······192
10.1 一般规定······192
10.2 防水等级和防水标准······192
10.3 管片结构自防水······192
10.4 管片接缝防水······193
10.5 防腐蚀······194
11 壁后注浆······195
12 地层加固及施工辅助措施······198
12.1 一般规定······198
12.2 注浆加固······202
12.3 深层搅拌加固······202
12.4 高压喷射注浆加固······202
12.5 地层冻结加固······203
13 附属结构······204
13.1 盾构工作井······204
13.2 联络通道······206
13.3 排水泵站······206
13.4 风井······207
13.5 内部结构······207
13.6 其他附属结构······207
14 周边环境保护及风险控制······209
14.1 地表沉降······209
14.3 风险控制······209
15 工程监测······210
15.1 一般规定······210
15.2 监测范围······210
15.6 监测控制值······211
附录A 反应位移法······212
附录B 静力法······217
附录C 时程分析法······219
