Tunnel displacement detecting system and detecting and calculating method

A technology of displacement detection and calculation method, which is applied in the direction of measuring devices, instruments, and optical devices, etc. It can solve the problems of large construction interference, poor measurement data unreliability, and poor real-time data, so as to simplify the system structure and optimize data analysis capabilities. , The effect of reducing the cost of the system

Active Publication Date: 2019-01-01
CHONGQING UNIV
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Problems solved by technology

Domestically, it is relatively lagging behind in this regard, and many of them still adopt the method of manual inspection to monitor the safety of tunnels.
There are deficiencies such a

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  • Tunnel displacement detecting system and detecting and calculating method
  • Tunnel displacement detecting system and detecting and calculating method
  • Tunnel displacement detecting system and detecting and calculating method

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[0056] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0057] The present invention is a tunnel displacement detection system. First, the overall structure of the system:

[0058] In tunnel construction, the settlement of tunnel vault is an important basis for judging the stability of surrounding rock and guiding construction. According to the situation of the tunnel site and the insufficiency of the existing related monitoring system.

[0059] (1) System structure:

[0060] On the basis of basic laser ranging, the present invention introduces vibration detection, realizes judgment of measurement conditions, and ensures measurement validity; introduces vertical / horizontal deflection control unit, expands the monitoring range of a single measurement unit, and simplifies system structure and cost. like figure 1 As shown, the tunnel displacement detection system of the present invention include...

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Abstract

The invention, which belongs to the technical field of tunnel monitoring, relates to a tunnel displacement detecting system and detecting and calculating method. The system comprises a plurality of integrated ranging units, a plurality of MCU control units, a plurality of PLC transceiver modules and an upper computer unit. Each integrated ranging unit is connected with one MCU control unit and onePLC transceiver module successively to form a measuring unit. The MCU control units are configured to process data collected by the integrated ranging units and transmit the data to the PLC transceiver modules; the PLC transceiver modules send the information to the upper computer unit; and the upper computer unit aggregates the data transmitted from the plurality of measuring units and displaysthe data. According to the invention, with introduction of PLC communication, a defect that the communication quality is affected by wireless signal attenuation in a tunnel, especially a long tunnel is overcome by combining the wireless module. Two kinds of different analysis methods are employed for different detection data; each new measuring value is added into the database according to each method and new data are learned continuously; and the data analysis capability is optimized.

Description

technical field [0001] The invention belongs to the technical field of tunnel monitoring, and relates to a tunnel displacement detection system and a detection calculation method. Background technique [0002] Monitoring and measuring in tunnel construction is a commonly used method for collapse prediction. In the tunnel monitoring and measurement project, the settlement of the tunnel vault is an important basis for judging the stability of the surrounding rock and guiding the construction, and is a must-measure item required by the tunnel and underground engineering construction specifications. [0003] At present, there are many researches on tunnel safety monitoring in foreign countries, but affected by various factors, the tunnel automatic monitoring system has yet to be matured, and the settlement of the vault still adopts the method of manual detection mainly and online real-time monitoring as a supplementary method. There is still a lot of research space for automati...

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Application Information

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IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 刘晓徐国庆杨生富郭志瑞崔光照
Owner CHONGQING UNIV
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