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 PDFInfo
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- 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
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000010998 test method Methods 0.000 title claims abstract description 30
- 230000002452 interceptive effect Effects 0.000 title claims description 41
- 238000005516 engineering process Methods 0.000 title claims description 25
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 3
- 238000012800 visualization Methods 0.000 abstract description 6
- 230000003993 interaction Effects 0.000 abstract description 4
- 238000012482 interaction analysis Methods 0.000 abstract 3
- 238000002474 experimental method Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 6
- 238000013480 data collection Methods 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- 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
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).
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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- 2017-12-20 CN CN201711390807.0A patent/CN107957248A/en active Pending
Patent Citations (5)
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 |
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Application publication date: 20180424 |