CN113607449B - Bridge cluster structure universe intelligent monitoring and safety early warning system - Google Patents

Bridge cluster structure universe intelligent monitoring and safety early warning system Download PDF

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CN113607449B
CN113607449B CN202110875231.7A CN202110875231A CN113607449B CN 113607449 B CN113607449 B CN 113607449B CN 202110875231 A CN202110875231 A CN 202110875231A CN 113607449 B CN113607449 B CN 113607449B
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bridge
subsystem
module
monitoring
cluster structure
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CN113607449A (en
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刘洋
曹建新
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The invention discloses a bridgeThe system comprises a distributed sensing subsystem, a point type sensing subsystem, a vehicle-mounted monitoring subsystem, an optical signal data transmission subsystem, an electric signal data transmission subsystem, a central server, a database, a safety protection subsystem, a user interface subsystem and a bridge cluster structure global diagnosis and early warning subsystem. The invention can effectively sense the whole-area response of the bridge cluster structure including hidden members such as deep water pile foundations and the like, can simultaneously realize engineering application-level indexes of 100km monitoring distance and 20cm monitoring point resolution, and can reach the maximum monitoring network measuring point scale of 10 6 And the magnitude order further realizes more accurate and comprehensive structural damage diagnosis and operation state evaluation of the bridge cluster structure. The method and the system effectively diagnose the operation safety state of the bridge cluster structure in real time by fusing point type and distributed sensing information.

Description

Bridge cluster structure universe intelligent monitoring and safety early warning system
Technical Field
The invention belongs to the field of bridge cluster structure operation safety monitoring, and relates to a bridge cluster operation safety monitoring system based on structure global perception.
Background
The structural health monitoring is a technology capable of effectively guaranteeing the safety, integrity and applicability of the bridge structure during operation, and the technology can effectively guarantee the long-term operation safety of the bridge structure. At present, the health monitoring of the bridge structure mainly adopts the traditional point type sensors, the measuring points of the sensors are distributed discontinuously in space, and the possibility of missing measurement exists; however, the deployment of a large number of point sensors is expensive and difficult, and sometimes impossible, to network. Meanwhile, an effective method for monitoring all areas of a bridge cluster structure including hidden members such as deep water pile foundations and the like is lacked at present. Therefore, a bridge structure health monitoring technology with a large range, a long distance and a long duration is urgently needed. The distributed Brillouin optical fiber sensing technology takes a common single-mode optical fiber used in optical fiber communication as a sensing medium, and the optical fiber is a sensor, so that continuous monitoring of multiple measuring points in space can be realized, and the number of the measuring points can reach millions; meanwhile, the measuring distance of the sensing technology is long and can reach hundreds of kilometers, and the method is particularly suitable for carrying out large-range, long-distance and long-time integral monitoring on the bridge structure.
With the continuous update of advanced sensing technology and data processing method, the health monitoring theory of single bridge structure has been developed greatly, and the problem of monitoring the operation safety of the actual bridge structure is solved to a certain extent. Along with the development of large-scale, large-scale and clustering of bridge construction in China, the technical requirement for solving the operation safety monitoring of the bridge structure of multiple groups is more and more urgent. However, at present, the direct research results in the aspect of bridge cluster structure operation safety monitoring are almost blank, and the successful experience and cases that can be used for reference abroad are almost zero.
Disclosure of Invention
The invention provides a global intelligent monitoring and safety early warning system for a bridge cluster structure, aiming at solving the problem that damage cannot be diagnosed effectively due to the fact that the existing monitoring technology is difficult to sense the whole-region response of the bridge cluster structure including hidden components such as deep water pile foundations and the like under limited measuring point information.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a bridge cluster structure universe intelligent monitoring and safety precaution system, includes distributed sensing subsystem, point type sensing subsystem, on-vehicle monitoring subsystem, light signal data transmission subsystem, electric signal data transmission subsystem, central server, database and safety protection subsystem, user interface subsystem, bridge cluster structure universe diagnosis and early warning subsystem, wherein:
the distributed sensing subsystem is used for acquiring distributed strain monitoring data and temperature field data of the whole bridge structure;
the point type sensing subsystem is used for acquiring point type monitoring data of the bridge structure;
the vehicle-mounted monitoring subsystem is used for acquiring vehicle load borne by the bridge structure;
the optical signal data transmission subsystem is used for transmitting the monitoring data and the temperature field data acquired by the distributed sensing subsystem to the central server;
the electric signal data transmission subsystem is used for transmitting the monitoring data acquired by the point type sensing subsystem and the vehicle-mounted monitoring subsystem to the central server;
the central server is used for storing and processing bridge monitoring data and evaluating the operation condition of the bridge structure;
the database and the safety protection subsystem are used for storing monitoring data of the distributed sensing subsystem, the point type sensing subsystem and the vehicle-mounted monitoring subsystem and the safety of the protection system;
the user interface subsystem is used for an engineer to perform front-end operation and display a data result;
the bridge cluster structure safety diagnosis and early warning subsystem is used for analyzing the acquired monitoring data and evaluating the safety of the bridge structure and carrying out risk early warning;
the distributed sensing subsystem transmits the acquired data to the central server through the optical signal data transmission subsystem;
the point type sensing subsystem and the vehicle-mounted monitoring subsystem transmit the acquired data to the central server through the electric signal data transmission subsystem;
the database and the safety protection subsystem are connected with the central server;
the user interface subsystem is connected with the central server;
the bridge cluster structure safety diagnosis and early warning subsystem is installed in an operating system of the central server.
Compared with the prior art, the invention has the following advantages:
1. the invention can effectively sense the whole-area response of the bridge cluster structure including hidden members such as deep water pile foundations and the like, can simultaneously realize engineering application-level indexes of 100km monitoring distance and 20cm monitoring point resolution, and can reach the maximum monitoring network measuring point scale of 10 6 And the magnitude of the structural damage is more accurate and comprehensive, and the structural damage diagnosis and the operation state evaluation of the bridge cluster structure are further realized.
2. The method can solve the problem that the existing monitoring technology is difficult to sense the whole-region response of the bridge cluster structure comprising hidden members such as a deepwater pile foundation and the like under the limited measuring point information, and the operation safety state of the bridge cluster structure can be effectively diagnosed in real time by fusing point type and distributed sensing information.
Drawings
Fig. 1 is a flowchart of a bridge cluster operation safety monitoring system based on structural global sensing.
Fig. 2 is a diagram of the structure and implementation of a bridge cluster operation safety monitoring system based on structural global sensing.
Fig. 3 is a structural diagram of a bridge cluster structure global monitoring software platform.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but not limited thereto, and any modification or equivalent replacement of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention shall be covered by the protection scope of the present invention.
The invention provides a global intelligent monitoring and safety early warning system for a bridge cluster structure, which comprises the following subsystems as shown in figure 1: distributed sensing subsystem, point type sensing subsystem, on-vehicle monitoring subsystem, light signal data transmission subsystem, electric signal data transmission subsystem, central server, database and safety protection subsystem, user interface subsystem, bridge cluster structure safety diagnosis and early warning subsystem, wherein:
the distributed sensing subsystem is used for acquiring distributed strain monitoring data and temperature field data of the whole domain of the bridge structure;
the point type sensing subsystem is used for acquiring point type monitoring data of the bridge structure;
the vehicle-mounted monitoring subsystem is used for acquiring vehicle load borne by the bridge structure;
the optical signal data transmission subsystem is used for transmitting the monitoring data and the temperature field data acquired by the distributed sensing subsystem to the central server;
the electric signal data transmission subsystem is used for transmitting the monitoring data acquired by the point type sensing subsystem and the vehicle-mounted monitoring subsystem to the central server;
the central server is used for storing and processing bridge monitoring data and evaluating the operation condition of the bridge structure;
the database and the safety protection subsystem are used for storing monitoring data of the distributed sensing subsystem, the point type sensing subsystem and the vehicle-mounted monitoring subsystem and the safety of the protection system;
the user interface subsystem is used for an engineer to perform front-end operation and display a data result;
the bridge cluster structure safety diagnosis and early warning subsystem is used for analyzing the acquired monitoring data and evaluating the safety of the bridge structure and carrying out risk early warning;
the distributed sensing subsystem transmits the acquired data to the central server through the optical signal data transmission subsystem;
the point type sensing subsystem and the vehicle-mounted monitoring subsystem transmit acquired data to the central server through the electric signal data transmission subsystem;
the database and the safety protection subsystem are connected with the central server;
the user interface subsystem is connected with the central server;
the bridge cluster structure safety diagnosis and early warning subsystem is installed in an operating system of the central server.
As shown in fig. 2, the distributed sensing subsystem includes a multi-loop distributed strain sensing optical cable and a multi-loop distributed temperature sensing optical cable, the point sensing subsystem includes an acceleration sensor, a deflection sensor, a magnetic flux sensor, a cable force sensor, an environmental temperature and humidity sensor, a GPS, an anemoscope, the vehicle-mounted monitoring subsystem includes a license plate snapshot module, a dynamic weighing module, a traffic camera module, the optical signal data transmission subsystem includes a single-mode communication optical cable, an optical fiber splice closure, an optical fiber channel extender, an optical fiber data demodulator, the electrical signal data transmission subsystem includes a plurality of data acquisition systems, a vehicle-mounted information front-end acquisition instrument, a photoelectric conversion transmitting end module, a photoelectric conversion receiving end module, a single-mode communication optical cable, a switch, the database and the safety protection subsystem includes a big data storage module and a firewall, the user interface subsystem includes an engineer operation end and a monitoring display screen, the bridge cluster structure safety diagnosis and early warning subsystem comprises a bridge cluster structure global monitoring software platform, wherein:
the multi-loop distributed strain sensing optical cable is used for acquiring distributed strain monitoring data of the whole domain of the bridge structure, and the multi-loop distributed temperature sensing optical cable is used for acquiring temperature field data of the whole domain of the bridge structure;
the system comprises an acceleration sensor, a deflection sensor, a magnetic flux sensor, a cable force sensor, an environment temperature and humidity sensor, a GPS (global position system) and an anemoscope, wherein the acceleration sensor is used for acquiring vibration acceleration data of a bridge structure, the deflection sensor is used for acquiring deflection data of the bridge structure, the magnetic flux sensor is used for acquiring cable force data of a main cable of the bridge structure, the cable force sensor is used for acquiring cable force data of a sling of the bridge structure, the environment temperature and humidity sensor is used for acquiring environment temperature and humidity data around the bridge structure, the GPS is used for acquiring deformation data of a main tower of the bridge structure, and the anemoscope is used for acquiring wind speed data at the top of the bridge structure;
the license plate snapshot module is used for snapshot of the vehicles passing through the bridge for shooting, and the dynamic weighing module is used for acquiring the weight of the vehicles passing through the bridge; the traffic camera module is used for acquiring the traffic condition of the bridge;
the optical fiber channel expander is used for sequentially accessing the multi-loop distributed strain sensing optical cable and the multi-loop distributed temperature sensing optical cable into the optical fiber data demodulator, and the optical fiber data demodulator is used for decoding monitoring data of the multi-loop distributed strain sensing optical cable and the multi-loop distributed temperature sensing optical cable;
the system comprises a plurality of data acquisition systems, a vehicle-mounted information front-end acquisition instrument, a photoelectric conversion transmitting end module, a photoelectric conversion receiving end module and a single-mode communication optical cable, wherein the plurality of data acquisition systems are used for acquiring monitoring data of various point sensors, the vehicle-mounted information front-end acquisition instrument is used for acquiring data information of weight, license plate and traffic condition of a vehicle load, the photoelectric conversion transmitting end module is used for converting electric signal data of the data acquisition systems and the vehicle-mounted information front-end acquisition instrument into optical signal data, the photoelectric conversion receiving end module is used for converting the optical signal data back into the electric signal data, and the single-mode communication optical cable is used for transmitting optical signals in a long distance;
the big data storage module is used for storing the acquired bridge monitoring data, and the firewall is used for system safety;
the bridge cluster structure global monitoring software platform is used for processing collected monitoring data and evaluating the operation state of the bridge structure;
the multi-loop distributed strain sensing optical cable is distributed on a main beam, a main tower, arch ribs and a pile foundation of the bridge structure in a through length manner and is tightly combined with the main beam, the main tower, the arch ribs and the pile foundation;
the multi-loop distributed temperature sensing optical cable is distributed in the main beam of the bridge structure in a loose straightening mode;
the acceleration sensors are arranged at the key sections of the main beams (including midspan sections, 1/4 sections and the like), the key sections of the main towers (including tower top sections and tower middle sections) and the piers;
the deflection sensor is arranged at the key section of the main beam;
the magnetic flux sensor is arranged at the main cable;
the cable force sensor is arranged at the position of the suspender or the inhaul cable;
the environment temperature and humidity sensors are arranged inside the main beam and outside the main beam and are used for monitoring the environment temperature and humidity inside and outside the main beam respectively;
the GPS is arranged on the top of the main tower;
the anemometers are arranged at the top of the main tower and the bridge floor;
the license plate snapshot module, the dynamic weighing module and the traffic camera module are arranged on the road surface at the upper bridge end of the bridge;
the front end of the single-mode communication optical cable is connected with a multi-loop distributed strain sensing optical cable and a multi-loop distributed temperature sensing optical cable of the distributed sensing subsystem, and data information of the multi-loop distributed strain sensing optical cable and the multi-loop distributed temperature sensing optical cable can be acquired;
the rear end of the single-mode communication optical cable is connected with the optical fiber splice closure;
the optical fiber splice closure is fused with a multi-loop optical fiber access optical fiber channel expander;
the optical fiber channel expander is connected with the optical fiber data demodulator;
the plurality of data acquisition systems are arranged in the main beam, are connected by adopting a network cable and perform time synchronization processing on the data acquisition process by adopting a clock server;
the acceleration sensor, the deflection sensor, the magnetic flux sensor, the cable force sensor, the environment temperature and humidity sensor, the GPS and the anemoscope are connected to the data acquisition system;
the license plate snapshot module, the dynamic weighing module and the traffic camera module are connected to a vehicle-mounted information front-end acquisition instrument;
the multiple digital acquisition systems and the vehicle-mounted information front-end acquisition instrument are connected into the photoelectric conversion transmitting end module;
the photoelectric conversion transmitting end module is connected to the photoelectric conversion receiving end module through a single-mode communication optical cable;
the photoelectric conversion receiving end module is accessed to the switch;
the optical fiber data demodulator, the switch, the engineer operation end, the monitoring display large screen, the user interface subsystem, the large data storage module and the firewall are connected with the central server;
the bridge cluster structure global monitoring software platform is installed on an operating system of the central server.
As shown in fig. 3, the bridge cluster structure global diagnosis and early warning software platform includes a bridge dynamic performance analysis module, a bridge static performance analysis module, a vehicle-mounted probability distribution model function module, a bridge reference finite element model construction module, a bridge cluster structure global state diagnosis module, a bridge cluster structure safety evaluation module, a database management module, a bridge cluster structure safety early warning module, and a three-dimensional panoramic virtual reality visualization module, wherein:
the bridge dynamic performance analysis module is used for processing dynamic monitoring data of a bridge structure, the bridge static performance analysis module is used for processing static monitoring data of the bridge structure, the vehicle-mounted probability distribution model function module is used for establishing a vehicle-mounted probability distribution model, the bridge reference finite element model establishment module is used for establishing a quasi-static finite element model of the bridge structure, the bridge cluster structure global state diagnosis module is used for diagnosing global operation state of the bridge structure, the bridge cluster structure safety assessment module is used for assessing whether the bridge structure is damaged or not, the database management module is used for managing bridge structure monitoring data in a classified mode, the bridge cluster structure safety early warning module is used for early warning risks of the bridge structure in time, and the three-dimensional panoramic virtual reality visualization module is used for displaying the bridge structure in a three-dimensional panoramic mode;
the data analysis results of the bridge dynamic performance analysis module, the bridge static performance analysis module, the vehicle-mounted probability distribution model function module and the bridge reference finite element model construction module are input into the bridge cluster structure state diagnosis module;
the analysis result of the bridge cluster structure universe state diagnosis module is input into a bridge cluster structure safety evaluation module;
the bridge cluster structure safety assessment module summarizes all the data analysis results input into the database management module, the bridge cluster structure safety early warning module and the three-dimensional panoramic virtual reality visualization module.

Claims (4)

1. The utility model provides a bridge cluster structure universe intelligent monitoring and safety precaution system which characterized in that the system includes distributed sensing subsystem, point formula sensing subsystem, on-vehicle monitoring subsystem, light signal data transmission subsystem, signal of telecommunication data transmission subsystem, central server, database and safety protection subsystem, user interface subsystem, bridge cluster structure universe diagnosis and early warning subsystem, wherein:
the distributed sensing subsystem is used for acquiring distributed strain monitoring data and temperature field data of the whole bridge structure;
the point type sensing subsystem is used for acquiring point type monitoring data of the bridge structure;
the vehicle-mounted monitoring subsystem is used for acquiring vehicle load borne by the bridge structure;
the optical signal data transmission subsystem is used for transmitting the monitoring data and the temperature field data acquired by the distributed sensing subsystem to the central server;
the electric signal data transmission subsystem is used for transmitting the monitoring data acquired by the point type sensing subsystem and the vehicle-mounted monitoring subsystem to the central server;
the central server is used for storing and processing bridge monitoring data and evaluating the operation condition of the bridge structure;
the database and the safety protection subsystem are used for storing monitoring data of the distributed sensing subsystem, the point type sensing subsystem and the vehicle-mounted monitoring subsystem and the safety of the protection system;
the user interface subsystem is used for an engineer to perform front-end operation and display a data result;
the bridge cluster structure safety diagnosis and early warning subsystem is used for analyzing the acquired monitoring data and evaluating the safety of the bridge structure and carrying out risk early warning;
the distributed sensing subsystem transmits the acquired data to the central server through the optical signal data transmission subsystem;
the point type sensing subsystem and the vehicle-mounted monitoring subsystem transmit the acquired data to the central server through the electric signal data transmission subsystem;
the database and the safety protection subsystem are connected with the central server;
the user interface subsystem is connected with the central server;
the bridge cluster structure safety diagnosis and early warning subsystem is installed in an operating system of the central server;
the distributed sensing subsystem comprises a multi-loop distributed strain sensing optical cable and a multi-loop distributed temperature sensing optical cable, the point type sensing subsystem comprises an acceleration sensor, a deflection sensor, a magnetic flux sensor, a cable force sensor, an environment temperature and humidity sensor, a GPS and an anemoscope, the vehicle-mounted monitoring subsystem comprises a license plate snapshot module, a dynamic weighing module and a traffic camera module, the optical signal data transmission subsystem comprises a single-mode communication optical cable, an optical fiber splice closure, an optical fiber channel expander and an optical fiber data demodulator, the electric signal data transmission subsystem comprises a plurality of data acquisition systems, a vehicle-mounted information front-end acquisition instrument, a photoelectric conversion transmitting end module, a photoelectric conversion receiving end module, a single-mode communication optical cable and a switch, the database and the safety protection subsystem comprises a large data storage module and a firewall, and the user interface subsystem comprises an engineer operation end and a monitoring display large screen, the bridge cluster structure safety diagnosis and early warning subsystem comprises a bridge cluster structure global monitoring software platform, wherein:
the multi-loop distributed strain sensing optical cable is distributed in the main beam, the main tower, the arch rib and the pile foundation of the bridge structure in a through length manner;
the multi-loop distributed temperature sensing optical cable is arranged inside a main beam of the bridge structure in a through length manner;
the acceleration sensors are arranged at the key section of the main beam, the key section of the main tower and the bridge pier;
the deflection sensor is arranged at the key section of the main beam;
the magnetic flux sensor is arranged at the main cable;
the cable force sensor is arranged at the position of the suspender or the inhaul cable;
the environment temperature and humidity sensors are arranged inside and outside the main beam and are used for monitoring the environment temperature and humidity inside and outside the main beam respectively;
the GPS is arranged at the top of the main tower;
the anemometers are arranged at the top and the bridge floor of the main tower;
the license plate snapshot module, the dynamic weighing module and the traffic camera module are arranged on the road surface at the upper bridge end of the bridge;
the front end of the single-mode communication optical cable is connected with a multi-loop distributed strain sensing optical cable and a multi-loop distributed temperature sensing optical cable of the distributed sensing subsystem, and data information of the multi-loop distributed strain sensing optical cable and the multi-loop distributed temperature sensing optical cable can be acquired;
the rear end of the single-mode communication optical cable is connected with the optical fiber splice closure;
the multi-loop optical fiber fused with the optical fiber splice closure is accessed into the optical fiber channel expander;
the optical fiber channel expander is connected with the optical fiber data demodulator;
the plurality of the number mining systems are arranged in the main beam;
the acceleration sensor, the deflection sensor, the magnetic flux sensor, the cable force sensor, the environment temperature and humidity sensor, the GPS and the anemoscope are connected to the data acquisition system;
the license plate snapshot module, the dynamic weighing module and the traffic camera module are connected to a vehicle-mounted information front-end acquisition instrument;
the multiple digital acquisition systems and the vehicle-mounted information front-end acquisition instrument are connected into the photoelectric conversion transmitting end module;
the photoelectric conversion transmitting end module is connected to the photoelectric conversion receiving end module through a single-mode communication optical cable;
the photoelectric conversion receiving end module is accessed to the switch;
the optical fiber data demodulator, the switch, the engineer operation end, the monitoring display large screen, the user interface subsystem, the large data storage module and the firewall are connected with the central server;
the bridge cluster structure global monitoring software platform is installed on an operating system of the central server.
2. The global intelligent monitoring and safety pre-warning system for the bridge cluster structure according to claim 1, wherein the multi-loop distributed temperature sensing optical cable is laid in a loose straightening manner.
3. The global intelligent monitoring and safety pre-warning system for the bridge cluster structure according to claim 1, wherein the plurality of digital acquisition systems are connected by a network cable, and a clock server is used for time synchronization processing of the data acquisition process.
4. The bridge cluster structure universe intelligent monitoring and safety pre-warning system of claim 1, characterized in that the bridge cluster structure universe diagnosis and pre-warning software platform comprises a bridge dynamic performance analysis module, a bridge static performance analysis module, a vehicle-mounted probability distribution model function module, a bridge reference finite element model construction module, a bridge cluster structure universe state diagnosis module, a bridge cluster structure safety assessment module, a database management module, a bridge cluster structure safety pre-warning module, and a three-dimensional panoramic virtual reality visualization module, wherein:
the bridge dynamic performance analysis module is used for processing dynamic monitoring data of a bridge structure, the bridge static performance analysis module is used for processing static monitoring data of the bridge structure, the vehicle-mounted probability distribution model function module is used for establishing a vehicle-mounted probability distribution model, the bridge reference finite element model establishment module is used for establishing a quasi-static finite element model of the bridge structure, the bridge cluster structure global state diagnosis module is used for diagnosing global operation state of the bridge structure, the bridge cluster structure safety assessment module is used for assessing whether the bridge structure is damaged or not, the database management module is used for managing bridge structure monitoring data in a classified mode, the bridge cluster structure safety early warning module is used for early warning risks of the bridge structure in time, and the three-dimensional panoramic virtual reality visualization module is used for displaying the bridge structure in a three-dimensional panoramic mode;
the data analysis results of the bridge dynamic performance analysis module, the bridge static performance analysis module, the vehicle-mounted probability distribution model function module and the bridge reference finite element model construction module are input into the bridge cluster structure state diagnosis module;
the analysis result of the bridge cluster structure universe state diagnosis module is input into a bridge cluster structure safety evaluation module;
the bridge cluster structure safety evaluation module summarizes all the data analysis results input into the database management module, the bridge cluster structure safety early warning module and the three-dimensional panoramic virtual reality visualization module.
CN202110875231.7A 2021-07-30 2021-07-30 Bridge cluster structure universe intelligent monitoring and safety early warning system Active CN113607449B (en)

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CN114280267A (en) * 2021-12-24 2022-04-05 山东省路桥集团有限公司 Intelligent recognition and analysis system and device for damage of steel box girder
CN115808324B (en) * 2023-01-30 2023-05-30 湖南东数交通科技有限公司 Light safety management monitoring method and system for small and medium span bridges
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