Monitoring Method for Steel Cushion Beam Stability during Railway Tunnel Operation and Maintenance

doi:10.3973/j.issn.2096-4498.2019.S2.052

Tunnel Construction ›› 2019, Vol. 39 ›› Issue (S2): 406-412.DOI: 10.3973/j.issn.2096-4498.2019.S2.052

Monitoring Method for Steel Cushion Beam Stability during Railway Tunnel Operation and Maintenance

LIU Bin, LYU Hongquan

(The First Construction Division Co., Ltd. of China Railway Tunnel Group, Chongqing 401121, China)

Received:2019-09-29 Online:2019-12-31 Published:2020-04-04

Abstract

Abstract:

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.

Key words: railway tunnel, steel cushion beam, automatic monitoring, operation and maintenance

CLC Number:

U 45

LIU Bin, LYU Hongquan. Monitoring Method for Steel Cushion Beam Stability during Railway Tunnel Operation and Maintenance[J]. Tunnel Construction, 2019, 39(S2): 406-412.

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Monitoring Method for Steel Cushion Beam Stability during Railway Tunnel Operation and Maintenance

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