内容简介
DBJ/T 15-213-2021 备案号 J15641-2021城市桥梁隧道结构安全保护技术规范
Technical code for protection structures of urban bridge and tunnel（预览版）
2021-5-1 实施
2021-2-28 发布
目 次
1 总 则....................................................................................................................................... 1
2 术 语....................................................................................................................................... 2
3 基 本 规 定............................................................................................................................. 3
4 控制保护要求........................................................................................................................... 5
4.1 一般规定..............................................................................................................................5
4.2 结构调查..............................................................................................................................5
4.3 安全控制..............................................................................................................................6
4.4 安全评估..............................................................................................................................6
5 外部作业................................................................................................................................... 7
5.1 一般规定..............................................................................................................................7
5.2 桩基作业..............................................................................................................................7
5.3 基坑（槽）开挖..................................................................................................................7
5.4 暗挖作业..............................................................................................................................8
5.5 地基处理..............................................................................................................................9
5.6 地下水作业..........................................................................................................................9
5.7 爆破（振动）作业........................................................................................................... 10
5.8 水中疏浚、抛填作业....................................................................................................... 10
5.9 其他作业........................................................................................................................... 11
6 安全监测................................................................................................................................. 12
6.1 一般规定........................................................................................................................... 12
6.2 监测项目........................................................................................................................... 12
6.3 监测频率........................................................................................................................... 14
6.4 监测预警........................................................................................................................... 14
7 信息管理................................................................................................................................. 16
附录 A 接近程度和外部作业的工程影响分区........................................................................17
附录 B 城市桥梁隧道结构安全控制指标值............................................................................ 23
本规范用词说明........................................................................................................................... 25
引用标准名录............................................................................................................................... 26
条 文 说 明................................................................................................................................. 27