CN103884286A - Concrete surface crack width measurement mark patch and method for conducting measurement recognition - Google Patents
Concrete surface crack width measurement mark patch and method for conducting measurement recognition Download PDFInfo
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- CN103884286A CN103884286A CN201410069673.2A CN201410069673A CN103884286A CN 103884286 A CN103884286 A CN 103884286A CN 201410069673 A CN201410069673 A CN 201410069673A CN 103884286 A CN103884286 A CN 103884286A
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Abstract
The invention relates to a concrete surface crack width measurement mark patch and a method for conducting measurement recognition. The concrete surface crack width measurement mark patch comprises a base plate, wherein a standard width scale area and a two-dimensional code information area are arranged on the base plate, and standard width scale coatings with different widths are arranged in the standard width scale area. Effective pixels in a digital photo serve as transfer amounts so that standard width scales can be compared with an observed crack and the actual width of the crack can be obtained through calculation, and not only are the defects that a traditional method is large in workload and dangerous in work environment overcome, but also the defects that remote measurement based on the graphic processing technology is high in professional skill threshold, low in resolution ratio and the like are overcome. Meanwhile, information such as the position coordinates of the crack and the initial width of the crack is stored and recognized through the two-dimensional code technology, information storage and recognition efficiency is improved, and the memory capacity is increased.
Description
Technical field
The invention belongs to the field of measuring technique of all kinds of concrete structural surface fracture widths in civil engineering work, be specifically related to a kind of concrete surface crack width measure mark paster and measure and know method for distinguishing.
Background technology
Width measure to concrete structural surface crack in civil engineering work, significant to judging structural stability and permanance.At present, conventional measuring method one is to use the instrument contact type measurements such as New Instrument for Crack Width, feeler gauge; The 2nd, based on the telemeasurement of graph processing technique.The parameter such as numbering, position of fracture often adopts marking pen, chalk to carry out mark.But this two class measuring methods exist respectively the disadvantages such as workload is large, working environment is dangerous and professional skill requirement is high, accuracy of identification is low, also there is the defects such as quantity of information is little, easy stained in crack labeling method simultaneously.Therefore, in this field in the urgent need to a kind of technology and equipment of the width of Quick Measurement fracture faces at a distance, simultaneously this technology accurately the information such as fracture position, original width, initial length, types of fractures carry out mark, and can allow line tunnel maintenance personnel grasp fast.
Summary of the invention
The object of this invention is to provide one and can realize concrete structural surface fracture width in remote Quick Measurement civil engineering work, and can fracture position, the information such as original width, initial length, types of fractures carries out mark, be convenient to fracture long term monitoring or the concrete surface crack width measure mark paster of repeatedly measuring and measure knowledge method for distinguishing.
For achieving the above object, the technological means that the present invention adopts is that a kind of concrete surface crack width measure mark paster, comprises substrate, substrate is provided with normal width groove district and 2 D code information district, is provided with the normal width groove coating of different in width in normal width groove district.
Preferably, the width of described normal width groove district internal standard width groove coating is respectively 0.2mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm.
Described concrete surface crack width measure mark paster is measured and is known method for distinguishing, comprise the following steps: described concrete surface crack width measure paster is sticked near crack, then carry out longshot with digital camera, calculate the width in crack by the contrast shared pixel number in crack and the shared pixel number of normal width groove coating;
If the shared pixel count of the normal width groove coating of fracture width and a certain width is identical, fracture width and be the width of corresponding normal width groove coating; If the shared pixel count of normal width groove coating of the pixel count that fracture width is shared and a certain width is close, adopts interpolation method and calculate according to following formula:
Wherein:
pX r ---the shared pixel count of fracture width;
pX n ---the shared pixel count of normal width groove coating that width is N;
w n ---the developed width of the normal width groove coating that width is N, the mm of unit;
w r ---fracture width, the mm of unit;
The information exchange of the original width in crack (width while measurement for the first time), initial length (length while measurement for the first time), position, type is crossed to Quick Response Code generating apparatus and generate Quick Response Code, then the Quick Response Code of generation is printed on to 2 D code information district by printer; Read original width, initial length, the position in the crack of recording on Quick Response Code, the information of type by Quick Response Code reading device.
The beneficial effect that the present invention produces is, utilize valid pixel in digital photo as transmission capacity, normal width groove coating and observation crack to be compared, thereby calculate and obtain crack developed width, both avoid the shortcoming that classic method workload is large, working environment is dangerous, avoided again the shortcomings such as the professional technique threshold existing based on the telemeasurement of graph processing technique is high, resolution is lower.Meanwhile, in the present invention, use the information such as planar bar code technology fracture position coordinates, original width to store identification, improved information storage recognition efficiency, increased memory space.
Brief description of the drawings
Fig. 1 is concrete surface crack width measure mark paster structure schematic diagram;
Fig. 2 is the use constitutional diagram of concrete surface crack width measure mark paster.
Embodiment
As shown in Figure 1, a kind of concrete surface crack width measure mark paster, comprises substrate 1, and substrate is provided with normal width groove district 2 and 2 D code information district 3, is provided with the normal width groove coating 4 of different in width in normal width groove district 2.Described substrate 1 is aluminium-plastic panel substrate, the thickness of aluminium-plastic panel substrate is 4mm, on aluminium-plastic panel substrate, normal width groove district 2 is of a size of 60mm X 40mm (long X is wide), normal width groove coating 4 length are 30mm, and width is respectively 0.2mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm; 4 printings of normal width groove coating adopt black or red ink, and wherein width printing precision is ± 0.1mm; Described 2 D code information district 3 is of a size of 40mm X 40mm (long X is wide).
Carry out longshot with digital camera (valid pixel is more than or equal to 1,200 ten thousand), calculate the width in crack by the contrast shared pixel number of fracture width and the shared pixel number of normal width groove coating; Initial length by the original width in the crack calculating with the crack measuring, and the information exchange of the position in crack, type is crossed Quick Response Code generating apparatus and is generated Quick Response Code, then the Quick Response Code of generation is printed on to 2 D code information district 3 by printer, as shown in Figure 2.
Can read original width, initial length, the position in the crack of recording on Quick Response Code, the information of type by Quick Response Code reading device, can fracture long term monitoring or repeatedly measure.
Claims (3)
1. a concrete surface crack width measure mark paster, is characterized in that: comprise substrate, substrate is provided with normal width groove district and 2 D code information district, is provided with the normal width groove coating of different in width in normal width groove district.
2. concrete surface crack width measure mark paster as claimed in claim 1, is characterized in that: the width of described normal width groove district internal standard width groove coating is respectively 0.2mm, 0.5mm, 1.0mm, 1.5mm, 2.0mm, 3.0mm.
3. one kind is utilized concrete surface crack width measure mark paster described in claim 1 to measure to know method for distinguishing, it is characterized in that, comprise the following steps: described concrete surface crack width measure paster is sticked near crack, then carry out longshot with digital camera, calculate the width in crack by the contrast shared pixel number in crack and the shared pixel number of normal width groove; The information exchange of the original width in crack, initial length, position, type is crossed to Quick Response Code generating apparatus and generate Quick Response Code, then the Quick Response Code of generation is printed on to 2 D code information district by printer; Read original width, initial length, the position in the crack of recording on Quick Response Code, the information of type by Quick Response Code reading device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410069673.2A CN103884286B (en) | 2014-02-28 | 2014-02-28 | Concrete surface crack width measurement mark patch and method for conducting measurement recognition |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374324A (en) * | 2014-11-13 | 2015-02-25 | 长沙德自信息技术有限公司 | Image recognition based displacement measurement device |
| CN106522089A (en) * | 2016-12-14 | 2017-03-22 | 北京星汉舟科技有限责任公司 | Quantitative concrete functional coating capable of being coated reversely |
| CN106705875A (en) * | 2015-11-18 | 2017-05-24 | 中国石油天然气股份有限公司 | Tunnel crack measuring method and device |
| CN106840005A (en) * | 2017-01-24 | 2017-06-13 | 国网山东省电力公司海阳市供电公司 | A kind of aerial condutor line footpath noncontact assay method and specifications of cables plate |
| CN107504901A (en) * | 2017-07-01 | 2017-12-22 | 浙江大学宁波理工学院 | Utilize the method for unmanned plane monitoring concrete structural surface fracture width |
| CN107532875A (en) * | 2015-02-26 | 2018-01-02 | 约翰·查尔斯·考林汉姆 | Fish measurement apparatus |
| CN107845326A (en) * | 2017-12-19 | 2018-03-27 | 中铁第四勘察设计院集团有限公司 | Rail in high speed railway expansion and cotraction regulator displacement identification Sign Board and measuring method |
| KR102259666B1 (en) * | 2020-08-24 | 2021-06-02 | 에이아이안전연구원 주식회사 | Removable adhesive crack scale |
| CN113739661A (en) * | 2021-08-24 | 2021-12-03 | 同济大学 | Measuring scale and method for detecting surface cracks of component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107532875A (en) * | 2015-02-26 | 2018-01-02 | 约翰·查尔斯·考林汉姆 | Fish measurement apparatus |
| CN106705875A (en) * | 2015-11-18 | 2017-05-24 | 中国石油天然气股份有限公司 | Tunnel crack measuring method and device |
| CN106522089A (en) * | 2016-12-14 | 2017-03-22 | 北京星汉舟科技有限责任公司 | Quantitative concrete functional coating capable of being coated reversely |
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| CN106840005A (en) * | 2017-01-24 | 2017-06-13 | 国网山东省电力公司海阳市供电公司 | A kind of aerial condutor line footpath noncontact assay method and specifications of cables plate |
| CN107504901A (en) * | 2017-07-01 | 2017-12-22 | 浙江大学宁波理工学院 | Utilize the method for unmanned plane monitoring concrete structural surface fracture width |
| CN107504901B (en) * | 2017-07-01 | 2023-08-01 | 浙江大学宁波理工学院 | Method for monitoring surface crack width of concrete structure by using unmanned aerial vehicle |
| CN107845326A (en) * | 2017-12-19 | 2018-03-27 | 中铁第四勘察设计院集团有限公司 | Rail in high speed railway expansion and cotraction regulator displacement identification Sign Board and measuring method |
| KR102259666B1 (en) * | 2020-08-24 | 2021-06-02 | 에이아이안전연구원 주식회사 | Removable adhesive crack scale |
| CN113739661A (en) * | 2021-08-24 | 2021-12-03 | 同济大学 | Measuring scale and method for detecting surface cracks of component |
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