为解决铁路隧道运营维护中钢垫梁的稳定性监测,以达到监测数据准确实时反馈,为既有线运营过程中施工安全提供参考依据,以某铁路隧道隧底整治工程为背景,采用精密光栅位移计配合光栅解调仪、GPRS 传输模块监测钢垫梁位移数据,静力水准仪配合采集软件监测钢垫梁沉降数据,利用计算软件实时分析以实现钢垫梁的稳定性监测,并采用TM50 测量机器人对钢垫梁上轨道坐标进行对比监测,并对比分析各项监测数据,验证其监测精度。提出了一套铁路隧道运营维护中钢垫梁稳定性的监测方法,解决了常规方法不能实时准确反馈监测数据的难题,为铁路隧道运营维护施工安全提供了保障。

The stability monitoring of steel cushion beam during operation and maintenance of railway tunnel and the real-time accurate feedback of monitoring data are of great significance to the construction safety of existing operation railway line. Hence, the displacement data of steel cushion beam of a railway tunnel is monitored by accurate grating displacement meter with grating demodulator, GPRS transfer module and static leveling instrument with acquisition software; the monitoring data are analyzed by calculation software in real-time to guarantee the stability of the steel cushion beam; the track coordinates on the steel cushion beam are monitored and compared by measuring robot; and the monitoring data are analyzed to verify its accuracy. A set of monitoring methods for the stability of steel cushion beams during railway tunnel operation and maintenance is put forward, which realizes real-time feedback of the monitoring data and guarantees the safety of operation and maintenance of railway tunnel.