Engineering Practice and Application of Automatic Monitoring Technology for Long-distance Subway Tunnel
-
摘要: 随着地铁保护工程的监测范围越来越长,工况越来越复杂,难度越来越高。长距离(>400 m)的监测范围,多台(>3)仪器串联的项目也屡见不鲜,对自动化监测技术的要求也越来越高。通过某项目涉及杭州地铁1号线保护监测的工程实践,阐述了5+2台测量机器人串联系统的监测技术实施及数据分析,证明了多台测量机器人串联自动化监测技术的准确性及可靠性,为后续同类型项目提供借鉴。Abstract: The monitoring range of subway protection engineering is longer and the working conditions are more complex and more difficult. Long-distance (>400 m) monitoring range, and multiple (>3) instrument series projects are also common, and the requirements for automatic monitoring technology are increasingly high. Based on the protection monitoring of Hangzhou Metro Line 1, the monitoring technology and data analysis of the series system of 5+2 measuring robots were conducted, and the accuracy and reliability of the series automatic monitoring technology of multiple measuring robots were proved, which provides references for similar projects in the future.
-
Key words:
- long distance tunnel /
- measuring robot /
- automatic monitoring technology /
- series system
-
表 1 主要工况汇总表
序号 主要工况 工程分项 一 南北地下室基坑 TRD、钻孔桩、旁侧开挖 二 地下连通道 MJS门式加固、TRD加固、正上方基坑开挖 三 中央廊道 工程桩(2.5 m、5 m、5 m外) 上部结构 四 赭美路隧道 MJS加固 正上方开挖 表 2 后视基准点累计变形统计
上下行线后视点累计值对比 线别 点号 初始高程/m 上次高程/m(2022-01-15) 本次高程/m(2022-02-16) 累计较差/mm 单次较差/mm 初始值(2021-08-02) 上行线 S800 −13.5860 −13.5880 −13.5895 −3.5 −1.5 S790 −13.5334 −13.5351 −13.5366 −3.2 −1.5 S780 −13.4752 −13.4774 −13.4786 −3.4 −1.2 S235 −10.5059 −10.5088 −10.5094 −3.5 −0.6 S225 −10.4439 −10.4458 −10.4463 −2.4 −0.5 S215 −10.3864 −10.3876 −10.3881 −1.7 −0.5 S205 −10.3336 −10.3351 −10.3352 −1.6 −0.1 下行线 X780 −13.4716 −13.4731 −13.4734 −1.8 −0.3 X775 −13.4449 −13.4461 −13.4464 −1.5 −0.3 X770 −13.4177 −13.4192 −13.4194 −1.7 −0.2 X235 −10.4992 −10.5038 −10.5058 −6.6 −2.0 X230 −10.4715 −10.4749 −10.4763 −4.8 −1.4 X225 −10.4399 −10.4432 −10.4446 −4.7 −1.4 X220 −10.4120 −10.4142 −10.4155 −3.5 −1.3 表 3 后视基准点修正值
点号 系统初值(2021-08-20) 系统修正值(2022-03-04) 差值/m Y X H Y X H Y较差 X较差 H较差 XJD780.4 2524.0640 2500 20.0956 2524.0640 2500 20.0956 0 0 0 XJD775.4 2518.1148 2500.0151 19.7502 2518.1148 2500.0151 19.7502 0 0 0 XJD770.4 2512.1103 2500.1042 19.3798 2512.1103 2500.1042 19.3798 0 0 0 XJD780.1 2524.0003 2505.1071 21.1413 2524.0003 2505.1071 21.1413 0 0 0 XJD775.1 2518.0938 2505.1312 20.8086 2518.0938 2505.1312 20.8086 0 0 0 XJD231.4 1863.9796 2472.5317 23.4257 1863.9796 2472.5317 23.4210 0 0 −0.0047 XJD226.4 1857.8899 2472.1743 22.9194 1857.8899 2472.1743 22.9137 0 0 −0.0057 XJD223.4 1854.2262 2472.0757 22.4416 1854.2262 2472.0757 22.4359 0 0 −0.0057 XJD218.4 1848.2274 2471.6181 22.6991 1848.2274 2471.6181 22.6954 0 0 −0.0037 -
[1] 袁聚亮. 地铁病害修复过程中自动化监测的应用研究[J]. 建筑技术开发,2017,44(18):84-85. [2] 陈 红, 刘明光. 自动化监测系统在昆明地铁4号线下穿既有地铁中的应用[J]. 都市快轨交通,2020,33(6):123-126. [3] 靳羽西, 纪万坤, 孙立坤. 多台测量机器人监测系统在地铁隧道中的应用[J]. 北京测绘,2020,34(10):1338-1342. [4] 杨微波. 多台测量机器人在地铁隧道自动化监测中的开发与应用[J]. 城市建设理论研究(电子版),2015,(22):5998-5999. [5] 周张博, 施艳秋, 黄 辉. 厦门市轨道交通2号线高湿区间隧道下穿翔安隧道地下管廊自动化监测分析[J]. 甘肃科技,2019,35(8):102-106. [6] 贾文超, 张 齐, 莫爵同. 地铁隧道中全站仪自动化监测控制网布设及复测技术研究[J]. 广东建材,2021,37(6):34-37.