电水平尺自动化监测系统在地铁安全保护监测中的应用

Application of EL Beam Automatic Monitoring System in Safety Protection Monitoring of Metro Works

为了降低在地铁保护区内施工对既有地铁的影响,确保地铁的正常运营,结合南京地铁中胜站—元通站区间运营地铁隧道监测实例,阐述了在地铁保护区内南京明基医院基坑开挖时,在隧道内布置沉降监测点,组建自动化监测系统,确定监测基准点及报警值,采用电水平尺实时自动监测和分析沉降曲线,并定期与人工监测数据进行比较。实践证明,电水平尺自动化监测系统能够自动记录监测过程,节约大量的人力、物力和财力,并能保证人员的安全。

The foundation pit of Mingji hospital in Nanjing is located in the protection scope of the operating Metro system. During the excavation of the foundation pit, settlement monitoring points are arranged in the Metro tunnels, automatic monitoring system is established and EL beam automatic monitoring is executed. The monitoring practice shows that, due to the application of EL beam automatic monitoring, the manpower, materials and cost needed for the monitoring are reduced and the safety of the monitoring personnel is guaranteed.