CN107957248A - A kind of bridge pier deformation test device and test method based on image-digital, interactive technology - Google Patents

A kind of bridge pier deformation test device and test method based on image-digital, interactive technology Download PDF

Info

Publication number
CN107957248A
CN107957248A CN201711390807.0A CN201711390807A CN107957248A CN 107957248 A CN107957248 A CN 107957248A CN 201711390807 A CN201711390807 A CN 201711390807A CN 107957248 A CN107957248 A CN 107957248A
Authority
CN
China
Prior art keywords
bridge pier
image
digital
observation
interactive
Prior art date
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.)
Pending
Application number
CN201711390807.0A
Other languages
Chinese (zh)
Inventor
韩国庆
吴维洲
邵长江
章健华
徐勇
游励晖
许敏
李明清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chenglan Railway LLC
China Railway Eryuan Engineering Group Co Ltd CREEC
Original Assignee
Chenglan Railway LLC
China Railway Eryuan Engineering Group Co Ltd CREEC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chenglan Railway LLC, China Railway Eryuan Engineering Group Co Ltd CREEC filed Critical Chenglan Railway LLC
Priority to CN201711390807.0A priority Critical patent/CN107957248A/en
Publication of CN107957248A publication Critical patent/CN107957248A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/16Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a kind of bridge pier deformation test device based on image digital interaction technique, it is included in bridge pier surface to be tested and is equipped with multiple points of observation, and more industrial cameras of the different azimuth of the bridge pier are arranged on, all industrial cameras are all connected with image digital interaction analysis device;A kind of bridge pier deformation test method based on image digital interaction technique is disclosed, is included in bridge pier surface to be tested and sprays multiple points of observation;More industrial cameras are installed in the different azimuth of the bridge pier;The bridge pier is loaded according to operating condition of test;Bridge pier loading procedure is continuously recorded by the industrial camera, and is sent in real time to image digital interaction analysis device;By the movement locus of point of observation described in the image digital interaction analysis device analysis, the dynamic process of the bridge pier 3 D deformation is obtained.The present invention is a kind of non-contact, omnibearing stereo, high precision, the test device and test method of reliable, continuous visualization reproduction bridge pier deformation.

Description

A kind of bridge pier deformation test device and test based on image-digital, interactive technology Method
Technical field
The present invention relates to science of bridge building field, more particularly to a kind of bridge pier deformation based on image-digital, interactive technology is surveyed Trial assembly is put and test method.
Background technology
Bridge pier shock test is to study the important means of bridge pier tensility shock-resistant failure mechanism, anti-seismic performance and design method One of, during experiment, how accurately to test pier shaft deformation (the overall process deformations of especially whole pier shafts) is experimental study Important content.
Traditional deformation test device uses drawing displacement sensor, amesdial or laser displacement sensor mostly. These means of testing generally require closely to install test bracket, often interfere with experimental phenomena observation and record, and deformation test needs Data collecting system is wanted, can cause to test sensor in the case of scantling is less or instrument can not be real according to testing scheme Apply, while test device is fixed on the method for surface of test piece can usually cause the local failure of component many places, accelerates opening for component Split and destructive process, seriously affected the measuring accuracy of concrete A LOCAL STRESS-STRAIN, cause stringency of test not high or even Distortion.Conventional test methodologies data collection point is limited at the same time, and can only gather the motion conditions of certain several point, can not react pier shaft Overall continuous modification, it is more difficult to collect the deformations such as pier shaft space torsion.Therefore, there is an urgent need to invent the non-contact, Quan Fang of one kind Position solid, high precision, the test device of reliable, continuous visualization reproduction bridge pier deformation.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of the prior art, there is provided one kind is based on image-numeral The bridge pier deformation test device and test method of interaction technique, the test device can significantly improve the contactless of bridge pier deformation Dynamic measurement precision, so as to obtain reliable Visualization result.
In order to realize foregoing invention purpose, the present invention provides following technical scheme:
A kind of bridge pier deformation test device based on image-digital, interactive technology, is included in bridge pier surface to be tested and sets There are multiple points of observation, and be arranged on more industrial cameras of the different azimuth of the bridge pier, all industrial cameras connect Connect image-digital, interactive analytical equipment.
Before experiment on bridge piers loading, multiple points of observation are set on bridge pier surface, and the multiple of image are conveniently gathered in bridge pier Orientation sets industrial camera.In bridge pier deforms test procedure, more industrial camera continuous acquisition experiment images, shooting frequency are opened Rate is depending on operating condition of test and loading velocity, until load test terminates.Experiment image is sent to image-digital, interactive point After analysis apparatus, the movement locus of each point of observation is analyzed and processed by image-digital, interactive analytical equipment, bridge pier is reproduced and loaded The 3-D dynamic deforming process of journey.
Test device of the present invention can continuously record the movement of bridge pier entirety arbitrary point using more industrial cameras Track, overcomes the discontinuity of traditional deformation test method the data obtained, realizes the non-contact capture of deformation test, and without special Sensor and data collecting system are tested, measuring accuracy is effectively increased, obtains relatively satisfactory result of the test.It is of the present invention Test method of the test device based on image-Technologies of Digital Switch, to reproduce the geometric distortion (reverse etc.) of bridge pier comprehensively, carry Deformation data more comprehensively, accurate and visual dynamic 3 D is supplied.
Preferably, the bridge pier surface is additionally provided with mono coat, and the point of observation is arranged on the mono coat, and described The color of point of observation is different from the mono coat, and shooting record is carried out to point of observation easy to industrial camera.
Preferably, the color of the mono coat is white, and the color of the point of observation is black, and contrast is big, is easy to Industrial camera carries out shooting record to point of observation.
Preferably, the point of observation is less than the round dot of 2mm for diameter.
Preferably, the industrial camera is high definition camera.
Preferably, all points of observation are more than non-demolition region, raising pair in the destroyed area area that bridge pier is covered The accuracy of detection of bridge pier destroyed area.
Preferably, the image-digital, interactive analytical equipment is connected with display device, the 3 D deformation of exportable bridge pier Figure.
The invention also discloses a kind of bridge pier deformation test method based on image-digital, interactive technology, includes the use of and appoints A kind of one above-mentioned bridge pier deformation test device based on image-digital, interactive technology, comprises the following steps:
Step 1:Multiple points of observation are sprayed on bridge pier surface to be tested;
Step 2:More industrial cameras are installed in the different azimuth of the bridge pier;
Step 3:The bridge pier is loaded according to operating condition of test;
Step 4:Bridge pier loading procedure is continuously recorded by the industrial camera, and is sent in real time to image-digital, interactive Analytical equipment;
Step 5:The movement locus of the point of observation is analyzed by the image-digital, interactive analytical equipment, is obtained described The dynamic process of bridge pier 3 D deformation.
Test method of the present invention uses non-contact testing means, overcome conventional test methodologies it is difficult to install, And the deficiency easily damaged to bridge pier.Multiple points of observation are sprayed on the surface of bridge pier, and are used in image-digital, interactive skill The movement locus of art analysis and observation point, can reproduce the malformation of bridge pier totality comprehensively, collect the data of bridge pier space torsion. Bridge pier loading procedure is continuously recorded by the industrial camera, overcomes the discontinuity of traditional deformation test method the data obtained, can Obtain the continuous modification result of bridge pier.
Test method provided by the invention, equipment is few, installs and easy to operate, and data collection and analysis precision is high, is comprehensive Reproduce the geometric distortion (torsion etc.) of bridge pier, there is provided deformation data more comprehensively, accurate and visual dynamic 3 D.The present invention The test method is a kind of non-contact, omnibearing stereo, high precision, reliable, continuously visualization reproduces bridge pier deformation Test method.
Preferably, step 6 is further included, the step 6 is by the analysis result of the image-digital, interactive analytical equipment Display device is uploaded to, obtains the 3 D deformation figure of the bridge pier.
Preferably, the step 1 first sprays mono coat on bridge pier surface, then is sprayed at random on the mono coat Multiple points of observation, and the color of the point of observation is different from the mono coat.
Compared with prior art, the beneficial effect of test device of the present invention:
Test device of the present invention can continuously record the movement of bridge pier entirety arbitrary point using more industrial cameras Track, overcomes the discontinuity of traditional deformation test method the data obtained, realizes the non-contact capture of deformation test, and without special Sensor and data collecting system are tested, measuring accuracy is effectively increased, obtains relatively satisfactory result of the test.It is of the present invention Test method of the test device based on image-Technologies of Digital Switch, to reproduce the geometric distortion (reverse etc.) of bridge pier comprehensively, carry Deformation data more comprehensively, accurate and visual dynamic 3 D is supplied.
Compared with prior art, the beneficial effect of test method of the present invention:
Test method provided by the invention, equipment is few, installs and easy to operate, and data collection and analysis precision is high, is comprehensive Reproduce the geometric distortion (torsion etc.) of bridge pier, there is provided deformation data more comprehensively, accurate and visual dynamic 3 D.The present invention The test method is a kind of non-contact, omnibearing stereo, high precision, reliable, continuously visualization reproduces bridge pier deformation Test method.
Brief description of the drawings:
Fig. 1 is the structure diagram of the bridge pier deformation test device of the present invention based on image-digital, interactive technology.
Fig. 2 is the connection diagram of image of the present invention-digital, interactive analytical equipment.
Marked in figure:1- bridge piers, 2- points of observation, 3- industrial cameras, 4- images-digital, interactive analytical equipment, 5- is monochromatic to be applied Layer, 6- display devices.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized The scope of invention.
Embodiment 1
As Figure 1-Figure 2, a kind of bridge pier deformation test device based on image-digital, interactive technology, is included in be measured 1 surface of bridge pier of examination is equipped with mono coat 5, and the mono coat 5 is equipped with the point of observation 2, the color of the mono coat 5 For white, the color of the point of observation 2 is black.The point of observation 2 is less than the round dot of 2mm, all points of observation 2 for diameter It is more than non-demolition region in the destroyed area area that bridge pier 1 is covered.
More industrial cameras 3 are installed in the different azimuth of the bridge pier 1, the industrial camera 3 is high definition camera, is owned The industrial camera 3 is all connected with image-digital, interactive analytical equipment 4, and the image-digital, interactive analytical equipment 4 is connected with aobvious Showing device 6
Before the experiment loading of bridge pier 1, multiple points of observation 2 are set on 1 surface of bridge pier, and in the convenient collection image of bridge pier 1 Multiple orientation set industrial camera 3.In bridge pier 1 deforms test procedure, more 3 continuous acquisition of industrial camera experiment shadows are opened Picture, filming frequency is depending on operating condition of test and loading velocity, until load test terminates.Experiment image be sent to image- After digital, interactive analytical equipment 4, the movement locus of each point of observation 2 is analyzed and processed by image-digital, interactive analytical equipment 4, Reproduce the 3-D dynamic deforming process of 1 loading procedure of bridge pier.
Test device of the present invention can continuously record the movement of bridge pier entirety arbitrary point using more industrial cameras Track, overcomes the discontinuity of traditional deformation test method the data obtained, realizes the non-contact capture of deformation test, and without special Sensor and data collecting system are tested, measuring accuracy is effectively increased, obtains relatively satisfactory result of the test.It is of the present invention Test method of the test device based on image-Technologies of Digital Switch, to reproduce the geometric distortion (reverse etc.) of bridge pier comprehensively, carry Deformation data more comprehensively, accurate and visual dynamic 3 D is supplied.
Embodiment 2
A kind of bridge pier deformation test method based on image-digital, interactive technology, includes the use of one kind and is based on image-numeral The bridge pier deformation test device of interaction technique, comprises the following steps:
Step 1:Mono coat 5 is sprayed on 1 surface of bridge pier to be tested, then random injection is more on the mono coat 5 A point of observation 2, and the color of the point of observation 2 is different from the mono coat 5;
Step 2:More industrial cameras 3 are installed in the different azimuth of the bridge pier 1;
Step 3:The bridge pier 1 is loaded according to operating condition of test;
Step 4:Bridge pier loading procedure is continuously recorded by the industrial camera 3, and sends to image-numeral and hands in real time Mutual analytical equipment 4;
Step 5:The movement locus of the point of observation 2 is analyzed by the image-digital, interactive analytical equipment 4, obtains institute State the dynamic process of 13 D deformation of bridge pier;
Step 6:The analysis result of the image-digital, interactive analytical equipment 4 is uploaded to display device 6, is obtained described The 3 D deformation figure of bridge pier 1.
Test method provided by the invention, equipment is few, installs and easy to operate, and data collection and analysis precision is high, is comprehensive Reproduce the geometric distortion (torsion etc.) of bridge pier, there is provided deformation data more comprehensively, accurate and visual dynamic 3 D.The present invention The test method is a kind of non-contact, omnibearing stereo, high precision, reliable, continuously visualization reproduces bridge pier deformation Test method.
Above example only not limits technical solution described in the invention to illustrate the present invention, although this explanation Book is with reference to above-mentioned each embodiment to present invention has been detailed description, but the present invention is not limited to above-mentioned specific implementation Mode, therefore any modify to the present invention or equivalent substitution;And the technical side of all spirit and scope for not departing from invention Case and its improvement, it should all cover among scope of the presently claimed invention.

Claims (10)

1. a kind of bridge pier deformation test device based on image-digital, interactive technology, it is characterised in that be included in bridge to be tested Pier (1) surface is equipped with multiple points of observation (2), and is arranged on more industrial cameras (3) of the different azimuth of the bridge pier (1), All industrial cameras (3) are all connected with image-digital, interactive analytical equipment (4).
2. a kind of bridge pier deformation test device based on image-digital, interactive technology according to claim 1, its feature exist In bridge pier (1) surface is additionally provided with mono coat (5), and the point of observation (2) is arranged on the mono coat (5), and described The color of point of observation (2) is different from the mono coat (5).
3. a kind of bridge pier deformation test device based on image-digital, interactive technology according to claim 2, its feature exist In the color of the mono coat (5) is white, and the color of the point of observation (2) is black.
4. a kind of bridge pier deformation test device based on image-digital, interactive technology according to claim 1, its feature exist In the point of observation (2) is less than the round dot of 2mm for diameter.
5. a kind of bridge pier deformation test device based on image-digital, interactive technology according to claim 1, its feature exist In the industrial camera (3) is high definition camera.
6. a kind of bridge pier deformation test device based on image-digital, interactive technology according to claim 1, its feature exist In all points of observation (2) are more than non-demolition region in the destroyed area area that bridge pier (1) is covered.
7. according to a kind of any bridge pier deformation test devices based on image-digital, interactive technology of claim 1-6, its It is characterized in that, the image-digital, interactive analytical equipment (4) is connected with display device (6).
A kind of 8. bridge pier deformation test method based on image-digital, interactive technology, it is characterised in that including the use of right such as will A kind of any bridge pier deformation test devices based on image-digital, interactive technology of 1-7 are sought, are comprised the following steps:
Step 1:Multiple points of observation (2) are sprayed on bridge pier (1) surface to be tested;
Step 2:More industrial cameras (3) are installed in the different azimuth of the bridge pier (1);
Step 3:The bridge pier (1) is loaded according to operating condition of test;
Step 4:Pass through the industrial camera (3) continuously record bridge pier loading procedure, and sending in real time to image-digital, interactive Analytical equipment (4);
Step 5:The movement locus of the point of observation (2) is analyzed by the image-digital, interactive analytical equipment (4), obtains institute State the dynamic process of bridge pier (1) 3 D deformation.
9. a kind of bridge pier deformation test method based on image-digital, interactive technology according to claim 8, its feature exist In further including step 6, the step 6 is aobvious for the analysis result of the image-digital, interactive analytical equipment (4) is uploaded to Showing device (6), obtains the 3 D deformation figure of the bridge pier (1).
10. according to a kind of any bridge pier deformation test methods based on image-digital, interactive technology of claim 8-9, It is characterized in that, the step 1 first sprays mono coat (5) on bridge pier (1) surface, then on the mono coat (5) at random Multiple points of observation (2) are sprayed, and the color of the point of observation (2) is different from the mono coat (5).
CN201711390807.0A 2017-12-20 2017-12-20 A kind of bridge pier deformation test device and test method based on image-digital, interactive technology Pending CN107957248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711390807.0A CN107957248A (en) 2017-12-20 2017-12-20 A kind of bridge pier deformation test device and test method based on image-digital, interactive technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711390807.0A CN107957248A (en) 2017-12-20 2017-12-20 A kind of bridge pier deformation test device and test method based on image-digital, interactive technology

Publications (1)

Publication Number Publication Date
CN107957248A true CN107957248A (en) 2018-04-24

Family

ID=61956666

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711390807.0A Pending CN107957248A (en) 2017-12-20 2017-12-20 A kind of bridge pier deformation test device and test method based on image-digital, interactive technology

Country Status (1)

Country Link
CN (1) CN107957248A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102081030A (en) * 2010-04-08 2011-06-01 上海海事大学 Geotechnical model test system based on macro-micro mechanics as well as elaboration test method
CN105044104A (en) * 2015-06-01 2015-11-11 上海交通大学 Stress test system based on digital image correlation method and application thereof
WO2017107334A1 (en) * 2015-12-25 2017-06-29 同济大学 Subway tunnel structure cross section deformation rapid detection device
CN106918812A (en) * 2017-03-30 2017-07-04 招商局重庆交通科研设计院有限公司 Underwater foundation detection means and method based on supersonic sounding and Three Dimensional Reconfiguration
CN207600403U (en) * 2017-12-20 2018-07-10 中铁二院工程集团有限责任公司 A kind of bridge pier deformation test device based on image-digital, interactive technology

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102081030A (en) * 2010-04-08 2011-06-01 上海海事大学 Geotechnical model test system based on macro-micro mechanics as well as elaboration test method
CN105044104A (en) * 2015-06-01 2015-11-11 上海交通大学 Stress test system based on digital image correlation method and application thereof
WO2017107334A1 (en) * 2015-12-25 2017-06-29 同济大学 Subway tunnel structure cross section deformation rapid detection device
CN106918812A (en) * 2017-03-30 2017-07-04 招商局重庆交通科研设计院有限公司 Underwater foundation detection means and method based on supersonic sounding and Three Dimensional Reconfiguration
CN207600403U (en) * 2017-12-20 2018-07-10 中铁二院工程集团有限责任公司 A kind of bridge pier deformation test device based on image-digital, interactive technology

Similar Documents

Publication Publication Date Title
US11275496B2 (en) Non-contacting monitor for bridges and civil structures
Dong et al. Identification of structural dynamic characteristics based on machine vision technology
NL2024715B1 (en) Method and system for measuring micro-amplitude vibration of thin-walled part based on motion amplification and optical flow tracking
US9003880B2 (en) Reference speed measurement for a non-destructive testing system
US11714024B2 (en) Vision-based fatigue crack detection using feature tracking
WO2019059011A1 (en) Training data creation method and device, and defect inspecting method and device
KR101811378B1 (en) Apparatus and Method for Estimating Cable Tension
CN109931878A (en) A kind of building curtain wall seismic deformation monitoring method based on digital speckle label
CN107101888A (en) Rock compression failure prediction method
Kalaitzakis et al. Dynamic structural health monitoring using a DIC-enabled drone
Tan et al. Target-free vision-based approach for modal identification of a simply-supported bridge
EP2141912B1 (en) Appearance inspection apparatus and appearance inspection method
JP2020170907A (en) Monitoring system and monitoring method
JP2016086237A (en) Server device and method
JP6813025B2 (en) Status determination device, status determination method, and program
US12022197B2 (en) Image capturing system, method, and analysis of objects of interest
CN207600403U (en) A kind of bridge pier deformation test device based on image-digital, interactive technology
WO2022183678A1 (en) Multi-camera photographing-based fatigue crack three-dimensional measurement system and method
WO2019187309A1 (en) Measurement device and measurement method
Chen et al. Video camera-based vibration measurement for Condition Assessment of Civil Infrastructure
CN107957248A (en) A kind of bridge pier deformation test device and test method based on image-digital, interactive technology
CN206411067U (en) Noncontact strain field combines integral type measuring system with sound emission
Thiyagarajan et al. Implementation of video motion magnification technique for non-contact operational modal analysis of light poles
Yuanjun et al. Structure modal identification based on computer vision technology
JP2022062971A (en) Detector and detection method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180424