CN108225811A - A kind of bridge structure safe assessment system based on vehicular load - Google Patents
- ️Fri Jun 29 2018
CN108225811A - A kind of bridge structure safe assessment system based on vehicular load - Google Patents
A kind of bridge structure safe assessment system based on vehicular load Download PDFInfo
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Publication number
- CN108225811A CN108225811A CN201810092126.4A CN201810092126A CN108225811A CN 108225811 A CN108225811 A CN 108225811A CN 201810092126 A CN201810092126 A CN 201810092126A CN 108225811 A CN108225811 A CN 108225811A Authority
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- 2018-01-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention discloses a kind of bridge structure safe assessment systems based on vehicular load, it includes monitoring central server and field monitoring equipment, the weight information of the vehicle by bridge that field monitoring equipment is monitored, license board information, the parameter response data of video information and each key point of bridge structure is transferred to monitoring central server, the data that monitoring central server is transmitted by comprehensive analysis processing field monitoring equipment, determine that vehicle passes through the driving trace during bridge, travel speed and weight, and according to vehicle by bridge during each key point of bridge structure parameter response data and its given threshold magnitude relationship, generate warning information, and with reference to assessment strategy, generate the scoring report of bridge structural state.Therefore, the present invention obtains that assessment result is more accurate, more tallies with the actual situation, and the assessment result that the present invention is obtained can preferably ensure bridge security operation as the decision-making foundation of Bridge Management ＆ Maintenance strategy.
Description
Technical field
The present invention relates to a kind of bridge structure safe assessment system, more particularly to a kind of bridge structure based on vehicular load Safety estimation system.
Background technology
Road traffic flow is caused to increase severely with the prosperity of logistics with the development of economy, overloaded vehicle pass a bridge the phenomenon that Getting worse, excessive vehicle flowrate and will generate serious damage more than bridge on the overloaded vehicle of bridge capacity to bridge member Wound, influences the safe operation of bridge structure, this causes significant impact to the foster pipe of bridge or even causes bridge collapse etc. great Safety accident.
It is living to build portion《Building and bridge structure monitoring technology regulation》GB50982-2014 and Ministry of Communications《Highway bridge structure Safety monitoring system technical regulation》JT/T 1037-2016) in, vehicular load as bridge monitoring it is important should survey item Mesh.Vehicular load dynamic monitoring equipment is not yet installed but in practice, in many bridge monitoring systems, even if having installed vehicle The bridge monitoring system of load dynamic monitoring equipment, does not also combine vehicular load information and bridge structure monitoring parameter Come, influence of the vehicle long duration load to bridge structure can not be assessed, it is even more impossible to judge overloaded vehicle to bridge structure safe not Profit effect.
Therefore, in order to ensure bridge operation safety, it is necessary to accumulation of the bridge structure under vehicular load long term Fatigue is analyzed, at the same analyze overload vehicle by when bridge structure parameter response, establish a kind of bridge based on vehicular load Girder construction security evaluation system provides important evidence for Bridge Management ＆ Maintenance decision.
Invention content
It is an object of the invention to：Establish a kind of bridge structure safe assessment system based on vehicular load so that assessment As a result it is more accurate, and using assessment result as the decision-making foundation of Bridge Management ＆ Maintenance strategy, preferably ensure bridge security operation.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes：
A kind of bridge structure safe assessment system based on vehicular load, including monitoring central server and field monitoring Equipment；Wherein, the field monitoring equipment includes switch board, vehicle dynamic weighing component, Car license recognition instrument, bridge structure parameter Monitoring assembly and video monitoring component；
The switch board is connect with the vehicle dynamic weighing component, and is detected according to the vehicle dynamic weighing component Signal, the weight information of the vehicle for driving into bridge is calculated；The Car license recognition instrument is connect with the switch board, and will be known The license board information not gone out is transferred to the switch board, and the license board information that the switch board will drive into the vehicle of the bridge is heavy with it Measure information association together；The video monitoring component is connect with the switch board, and will be recorded on the bridge and travelled in real time The video information transmission of vehicle gives the switch board；The bridge structure parameter monitoring assembly is connect with the switch board, and will The parameter response data of the monitoring each key point of bridge structure is transferred to the switch board in real time；The switch board and the monitoring Central server communicates to connect, and by the weight information of vehicle, license board information, video information and each key point of bridge structure Parameter response data is transferred to the monitoring central server；
The monitoring central server carries out image analysis and data processing by video information, and obtains vehicle and pass through institute The driving trace and travel speed during bridge are stated, and according to the license board information of the vehicle, determines the weight of the vehicle Measure information；The monitoring central server travels each key point of bridge structure during the bridge according to the vehicle The magnitude relationship of parameter response data and its given threshold generates warning information and with reference to assessment strategy, generates bridge structure The scoring report of state, to assess influence degree of the vehicle by the bridge to bridge structure；Moreover, in the monitoring Central server adjusts Bridge Management ＆ Maintenance strategy also according to the scoring report of the bridge structural state of generation；Wherein, the assessment strategy It is determined by the information of bridge structure form, the potential defect information of bridge and bridge local environment, the given threshold is to pass through knot It has closed the structured data of bridge and the bridge structure modeling analysis of mantenance data and has obtained.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute It states vehicle dynamic weighing component and includes at least two beam type piezoelectric quartz weighing sensors；The beam type piezoelectric quartz weighing sensing Device is horizontally set under the runway of bridge.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute It states field monitoring equipment and further includes display screen；The display screen is connect with the switch board, has just been rolled for real-time display described The weight information of the vehicle of beam type piezoelectric quartz weighing sensor；Also, the switch board is according to the weight information of the vehicle, Whether the weight for judging the vehicle is more than limit value, and when more than the limit value, the display screen is controlled to show overweight Information warning.
Further, the monitoring central server is according to Bridge Management ＆ Maintenance policy data, to what is stored in the switch board Limit value is configured.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute It states Car license recognition instrument and includes image capture module and image processing module；Described image acquisition module will roll institute for acquiring State the license plate image of the vehicle of beam type piezoelectric quartz weighing sensor；Described image processing module is used to be acquired according to described image The license plate image of module acquisition identifies the license board information of vehicle.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute It states bridge structure parameter monitoring assembly and includes displacement sensor, vibrating sensor, GNSS sensors, strain gauge, Suo Liji With it is one or more in amount of deflection sensor.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute It states video monitoring component to be made of multiple video cameras, moreover, length of the video camera of the video monitoring component along the bridge Direction is set gradually；The switch board is connect respectively with each video camera, and the video sent with receiving each video camera is believed Breath, also, the switch board also carries out time synchronization to all video cameras.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute State monitoring center server by analyze in a period of time on the bridge by weight information, the car plate of all vehicles believe The parameter response data of breath, video information and each key point of bridge structure, and generate this time corresponding scoring report and Warning information.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute State monitoring center server by analyze described in a time point on bridge by the weight informations of all vehicles, license board information, The bridge floor car load distribution of the bridge is calculated in the parameter response data of video information and each key point of bridge structure Data, and according to the bridge floor car load distributed data, and generate the time point corresponding scoring report and warning information.
According to a kind of specific embodiment, the present invention is based in the bridge structure safe assessment system of vehicular load, institute State monitoring center server by analyze on the bridge by any overloaded vehicle weight information, license board information, regard The parameter response data of frequency information and each key point of bridge structure, and generate the corresponding scoring report of the overloaded vehicle and early warning Information.
Compared with prior art, beneficial effects of the present invention：
Bridge structure safe assessment system the present invention is based on vehicular load includes monitoring central server and field monitoring Equipment, the weight information of the vehicle by bridge, license board information, video information and the bridge knot that field monitoring equipment is monitored The parameter response data of each key point of structure is transferred to monitoring central server, and monitoring central server passes through comprehensive analysis processing The data of field monitoring equipment transmission, determine vehicle by driving trace, travel speed and the weight during bridge, and root According to vehicle by bridge during each key point of bridge structure parameter response data and its given threshold magnitude relationship, It generates warning information and with reference to assessment strategy, generates the scoring report of bridge structural state.Therefore, the present invention is assessed As a result it is more accurate, more tally with the actual situation, the assessment result that the present invention is obtained is as the decision-making foundation of Bridge Management ＆ Maintenance strategy, energy It is enough preferably to ensure bridge security operation.
Description of the drawings：
Fig. 1 is the structure diagram of the bridge structure safe assessment system the present invention is based on vehicular load；
Fig. 2 is the schematic diagram that present system is applied to arch bridge.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood Range for the above-mentioned theme of the present invention is only limitted to following embodiment, all to belong to this based on the technology that the content of present invention is realized The range of invention.
With reference to the bridge structure safe assessment system shown in FIG. 1 the present invention is based on vehicular load, including monitoring center Server and field monitoring equipment；Wherein, field monitoring equipment include switch board, vehicle dynamic weighing component, Car license recognition instrument, Bridge structure parameter monitoring assembly and video monitoring component.
Switch board is connect with vehicle dynamic weighing component, and the electric signal detected according to vehicle dynamic weighing component, meter Calculate the weight information for the vehicle for obtaining driving into bridge.Car license recognition instrument is connect with switch board, and the license board information that will identify that passes Switch board is defeated by, the license board information for the vehicle for driving into bridge and its weight information are associated together by switch board.Video monitoring group Part is connect with switch board, and by the video information transmission of driving vehicle on real-time record bridge to switch board.Bridge structure parameter Monitoring assembly is connect with switch board, and the parameter response data of the real-time monitoring each key point of bridge structure is transferred to control Cabinet.Switch board and monitoring central server communicate to connect, and by the weight information of vehicle, license board information, video information and bridge The parameter response data of each key point of structure is transferred to monitoring central server.
Monitoring central server carries out image analysis and data processing by video information, and obtains vehicle and pass through bridge Driving trace in the process and travel speed, and according to the license board information of vehicle, determine the weight information of vehicle；Monitoring center takes Device of being engaged in travels the big of during the bridge each key point parameter response data of bridge structure and its given threshold according to vehicle Small relationship generates warning information and with reference to assessment strategy, generates the scoring report of bridge structural state, led to assessing vehicle Cross influence degree of the bridge to bridge structure.Moreover, scoring of the monitoring central server also according to the bridge structural state of generation Report adjusts Bridge Management ＆ Maintenance strategy.Wherein, assessment strategy is as residing for bridge structure form, the potential defect information of bridge and bridge The information of environment determines that given threshold is the bridge structure modeling analysis of the structured data and mantenance data by combining bridge And it obtains.For example the common bridge modeling software such as midas can be used, improve treatment effeciency.And structured data and the repair of bridge Data can be determined by consulting bridge completion information and repair information.
When implementing, the present invention is based in the bridge structure safe assessment system of vehicular load, monitoring center server is led to Cross in analysis a period of time on bridge by the weight informations of all vehicles, license board information, video information and bridge structure it is each The parameter response data of a key point, and generate this time corresponding scoring report and warning information.Meanwhile supervision center takes Be engaged in device by analyze a time point bridge on by all vehicles weight information, license board information, video information and bridge knot The bridge floor car load distributed data of bridge is calculated, and according to bridge floor vehicle in the parameter response data of each key point of structure Load profile data, and generate the time point corresponding scoring report and warning information.In addition, monitoring center server also passes through Analyze bridge on by any overloaded vehicle weight information, license board information, video information and each key of bridge structure The parameter response data of point, and generate the corresponding scoring report of the overloaded vehicle and warning information.
Therefore, the present invention can reflect bridge structure dynamic response by dynamic monitoring, and assessment bridge structure is to passing through vehicle Bearing capacity and adaptability, by the long-term behaviour of static, quasi-static monitoring sensing bridge structure, assess its accumulated fatigue It is deteriorated with performance.Meanwhile all bridge structure monitoring indexes are participated in the periodical evaluation to Bridge performance, energy by the present invention Enough realize on-line early warning when key index transfinites.
It is applied to the schematic diagram of arch bridge with reference to present system shown in Fig. 2；Wherein, the arch bridge in Fig. 2 is two-way two vehicle Road, vehicle dynamic weighing component include at least two beam type piezoelectric quartz weighing sensors, beam type piezoelectric quartz weighing are sensed Device is arranged on bridge head position, so as to determine its weight before vehicle drives into bridge.Moreover, beam type piezoelectric quartz weighing senses Device is horizontally set under runway, rolls lintel type piezoelectric quartz weighing sensor, beam type piezoelectric quartz weighing sensing when there is vehicle Device just exports an electric signal to switch board.
Moreover, field monitoring equipment further includes display screen；Display screen is connect with switch board, just rolls lintel for real-time display The weight information of the vehicle of formula piezoelectric quartz weighing sensor；Also, switch board judges vehicle according to the weight information of vehicle Whether weight is more than limit value, and when more than limit value, control display screen shows overweight information warning.Wherein, monitoring center Server is configured the limit value stored in switch board according to Bridge Management ＆ Maintenance policy data.
Car license recognition instrument includes image capture module and image processing module；Image capture module will roll for acquiring The license plate image of the vehicle of beam type piezoelectric quartz weighing sensor；Image processing module is used for what is acquired according to image capture module License plate image identifies the license board information of vehicle.
Bridge structure parameter monitoring assembly include displacement sensor, vibrating sensor, GNSS sensors, strain gauge, It is one or more in Suo Liji and amount of deflection sensor.
Video monitoring component is made of multiple video cameras, moreover, length side of the video camera of video monitoring component along bridge To setting gradually；Switch board is connect respectively with each video camera, to receive the video information that each video camera is sent, also, is controlled Cabinet processed also carries out time synchronization to all video cameras.Therefore, when vehicle passes through bridge, different video cameras takes vehicle The video of process, the video of the vehicle photographed by analyzing each video camera, it may be determined that section of the vehicle on bridge Speed and travel route, then take by integrating all video cameras the relevant information of the vehicle, you can determine the vehicle Pass through the driving trace of bridge.
Claims (10)
1. a kind of bridge structure safe assessment system based on vehicular load, which is characterized in that including monitoring central server and Field monitoring equipment；Wherein, the field monitoring equipment includes switch board, vehicle dynamic weighing component, Car license recognition instrument, bridge Structure parameter monitoring assembly and video monitoring component；
The switch board is connect with the vehicle dynamic weighing component, and the letter detected according to the vehicle dynamic weighing component Number, the weight information of the vehicle for driving into bridge is calculated；The Car license recognition instrument is connect, and will identify that with the switch board License board information be transferred to the switch board, the switch board will drive into the license board information of the vehicle of the bridge and its weight is believed Breath is associated together；The video monitoring component is connect with the switch board, and will record driving vehicle on the bridge in real time Video information transmission give the switch board；The bridge structure parameter monitoring assembly is connect with the switch board, and will be real-time The parameter response data of the monitoring each key point of bridge structure is transferred to the switch board；The switch board and the monitoring center Server communication connects, and by the parameter of the weight information of vehicle, license board information, video information and each key point of bridge structure Response data is transferred to the monitoring central server；
The monitoring central server carries out image analysis and data processing by video information, and obtains vehicle and pass through the bridge Driving trace and travel speed during beam, and according to the license board information of the vehicle, determine the weight letter of the vehicle Breath；The monitoring central server travels each key point parameter of bridge structure during the bridge according to the vehicle The magnitude relationship of response data and its given threshold generates warning information and with reference to assessment strategy, generates bridge structural state Scoring report, to assess influence degree of the vehicle by the bridge to bridge structure；Moreover, the monitoring center clothes Business device adjusts Bridge Management ＆ Maintenance strategy also according to the scoring report of the bridge structural state of generation；Wherein, the assessment strategy is by bridge The information of the potential defect information of girder construction form, bridge and bridge local environment determines that the given threshold is by combining The structured data of bridge and the bridge structure modeling analysis of mantenance data and obtain.
2. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the vehicle Dynamic weighing component includes at least two beam type piezoelectric quartz weighing sensors；The beam type piezoelectric quartz weighing sensor is lateral It is set under the runway of bridge head position.
3. the bridge structure safe assessment system based on vehicular load as claimed in claim 2, which is characterized in that the scene Monitoring device further includes display screen；The display screen is connect with the switch board, and the beam type pressure had just been rolled for real-time display The weight information of the vehicle of electric quartz weighing sensor；Also, the switch board judges institute according to the weight information of the vehicle Whether the weight for stating vehicle is more than limit value, and when more than the limit value, and the display screen is controlled to show overweight warning letter Breath.
4. the bridge structure safe assessment system based on vehicular load as claimed in claim 3, which is characterized in that the monitoring Central server is configured the limit value stored in the switch board according to Bridge Management ＆ Maintenance policy data.
5. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the car plate Identifier includes image capture module and image processing module；Described image acquisition module will roll the beam type for acquiring The license plate image of the vehicle of piezoelectric quartz weighing sensor；Described image processing module is used to be adopted according to described image acquisition module The license plate image of collection identifies the license board information of vehicle.
6. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the bridge Structure parameter monitoring assembly includes displacement sensor, vibrating sensor, GNSS sensors, strain gauge, Suo Liji and amount of deflection It is one or more in sensor.
7. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the video Monitor component is made of multiple video cameras, moreover, the video camera of the video monitoring component along the bridge length direction according to Secondary setting；The switch board is connect respectively with each video camera, to receive the video information that each video camera is sent, and And the switch board also carries out time synchronization to all video cameras.
8. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the supervision Central server by analyze in a period of time on the bridge by all vehicles weight information, license board information, video The parameter response data of information and each key point of bridge structure, and generate this time corresponding scoring report and early warning letter Breath.
9. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the supervision Central server by analyze described in a time point on bridge by weight information, license board information, the video of all vehicles believe The bridge floor car load distributed data of the bridge is calculated in the parameter response data of breath and each key point of bridge structure, And according to the bridge floor car load distributed data, and generate the time point corresponding scoring report and warning information.
10. the bridge structure safe assessment system based on vehicular load as described in claim 1, which is characterized in that the prison Tube hub server by analyze on the bridge by the weight information of any overloaded vehicle, license board information, video believe The parameter response data of breath and each key point of bridge structure, and generate the corresponding scoring report of the overloaded vehicle and early warning letter Breath.
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| CN108842587A (en) * | 2018-07-19 | 2018-11-20 | 西南交通大学 | High-speed rail bridge traffic safety appraisal procedure and device |
| CN109118776A (en) * | 2018-10-10 | 2019-01-01 | 中交基础设施养护集团有限公司 | A method of vehicular load spatial distribution is identified based on bridge monitoring data |
| CN109658711A (en) * | 2019-01-07 | 2019-04-19 | 合肥市规划设计研究院 | A kind of bridge overload early warning system |
| CN109903558A (en) * | 2019-03-07 | 2019-06-18 | 南京博瑞吉工程技术有限公司 | A kind of road and bridge vehicular load monitoring system and monitoring method |
| CN109992827A (en) * | 2019-02-20 | 2019-07-09 | 深圳高速工程顾问有限公司 | Bridge structure method for early warning, device, computer equipment and storage medium |
| CN111027256A (en) * | 2020-03-09 | 2020-04-17 | 杭州鲁尔物联科技有限公司 | Bridge risk prediction method and system based on vehicle load spatial distribution |
| CN111967185A (en) * | 2020-08-10 | 2020-11-20 | 哈尔滨工业大学 | Cable-stayed bridge state evaluation method based on cable force and displacement distribution correlation modeling |
| CN112507588A (en) * | 2020-12-03 | 2021-03-16 | 宁波朗达工程科技有限公司 | Method and system for evaluating influence of overloaded vehicle on bridge and computer equipment |
| CN112710491A (en) * | 2020-12-28 | 2021-04-27 | 深圳市天健工程技术有限公司 | Bridge abnormal data trend judgment device |
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| CN117994946A (en) * | 2024-02-29 | 2024-05-07 | 北京华录高诚科技有限公司 | Monitoring and early warning equipment capable of preventing bridge from side turning |
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| CN112507588A (en) * | 2020-12-03 | 2021-03-16 | 宁波朗达工程科技有限公司 | Method and system for evaluating influence of overloaded vehicle on bridge and computer equipment |
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