Full-tunnel safety monitoring system and implementation method

A technology of safety monitoring and monitoring system, applied in measurement devices, mapping and navigation, height/level measurement, etc., can solve the problems of inability to real-time monitoring and alarm of tunnel lining and surrounding rock conditions, interruption of tunnel traffic, and impact, etc. The effect of real-time monitoring, ensuring railway transportation safety and improving safety

Inactive Publication Date: 2020-01-14
LASER RES INST OF SHANDONG ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The tunnel settlement and structure monitoring technology in the prior art is mainly realized by geological radar, seismic wave method, CT, etc. These methods can ascertain the condition of the tunnel lining and the surrounding rock conditions at a certain time, but cannot determine the con

Method used

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  • Full-tunnel safety monitoring system and implementation method
  • Full-tunnel safety monitoring system and implementation method
  • Full-tunnel safety monitoring system and implementation method

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Example Embodiment

[0077] In an embodiment, as shown in the figure, a full tunnel safety monitoring system includes a GPS system, an optical fiber strain monitoring system electrically connected to the data acquisition center, and a strain monitoring optical cable electrically connected to the optical fiber strain monitoring system and buried in the tunnel monitoring area; The optical fiber strain monitoring system is an optical fiber analyzer, and the GPS system is used to monitor the overall settlement of the tunnel; the optical fiber strain monitoring system realizes all-round strain monitoring of the tunnel through a continuous optical cable.

[0078] The strain monitoring optical cable adopts an optical fiber strain optical cable; the strain optical cable is a tightly wrapped structure optical cable, and the selected material is a carbon fiber structure or a glass fiber structure; the strain optical cable has strong elasticity and is not easy to bend in a short distance.

[0079] During the const...

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Abstract

The invention relates to a full-tunnel safety monitoring system. The system comprises a GPS system and an optical fiber strain monitoring system which are electrically connected with a data acquisition center, and a strain monitoring optical cable which is electrically connected with the optical fiber strain monitoring system and is buried below a tunnel monitoring area. The optical fiber strain monitoring system is an optical fiber analyzer, and the GPS system is used for monitoring the overall settlement of a tunnel. The optical fiber strain monitoring system realizes tunnel omnibearing strain monitoring through continuous optical cables and provides accurate positioning, the measured deformation is relative deformation, and deformation quantities can be accumulated. The system has highmonitoring precision, the early warning of large accident deformation of the tunnel can be achieved, the tunnel deformation direction can be judged, the intelligent degree is high, an abnormal condition can be accurately positioned, various means for alarming can be realized, the monitoring service life is long, the monitoring in the whole life cycle of the tunnel can be realized, the maintenancecost is low, and the later maintenance is nearly zero.

Description

technical field [0001] The invention belongs to the technical field of tunnel safety, and in particular relates to a full tunnel safety monitoring system and an implementation method. Background technique [0002] The tunnel settlement and structure monitoring technology in the prior art is mainly realized by geological radar, seismic wave method, CT, etc. These methods can ascertain the condition of the tunnel lining and the surrounding rock conditions at a certain time, but cannot determine the conditions of the tunnel lining and surrounding rock conditions. Real-time monitoring and alarming of changes in the tunnel. Traditional monitoring requires a large number of personnel and equipment to enter the tunnel for monitoring, which will inevitably affect or even interrupt the tunnel traffic. Therefore, there is an urgent need for a real-time online tunnel lining structure monitoring method, which can provide uninterrupted monitoring data for 24 hours, and provide alarm and ...

Claims

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Application Information

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IPC IPC(8): G01B11/16G01C5/00
CPCG01B11/16G01C5/00
Inventor 吕京生王昌张发祥姜劭栋倪家升李淑娟刘小会
Owner LASER RES INST OF SHANDONG ACAD OF SCI
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