CN104911982A - Pavement disease detection method based on magnetic analysis technology - Google Patents
Pavement disease detection method based on magnetic analysis technology Download PDFInfo
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Abstract
The invention discloses a pavement disease detection method based on a magnetic analysis technology. The pavement disease detection method comprises the following steps: (1) building a magnetic pavement; and (2) detecting the pavement disease condition in a detected region through a magnetized pavement detection system. According to the pavement disease detection method based on the magnetic analysis technology disclosed by the invention, when magnetic mineral powder is added to a bituminous mixture surface paving material, the overall pavement layer has magnetism, and can be applied to detection of pavement diseases, such as cracks, pit slots and decompaction; and when the magnetic mineral powder is added to a bonding layer and an under seal layer, the change of an interlayer interface is detected and rutting deformation analysis of the pavement can be evaluated. The pavement disease recognition accuracy rate can be effectively improved; the misrecognition rate of the pavement disease detection is reduced; the pavement disease detection method is not affected by the weather condition of the pavement, has all-weather operation capability, and simultaneously is high in detection speed, high in efficiency, and free of interference to transportation; and good economic and social benefits are brought.
Description
Technical field
The present invention relates to a kind of detection technique of pavement disease, particularly relate to a kind of pavement disease detection method based on magnetometric analysis technology.
Background technology
Road disease detection is the basis of Highway Evaluation, is also the later stage formulate maintenance plan and implement the Main Basis of Disease Processing scheme simultaneously.At present, pavement disease detects the main method adopting the inspection of artificial road, and efficiency is lower, and testing staff's level is uneven, is also difficult to ensure to disease position and magnitude estimation accuracy rate.Based on above deficiency, disease multifunctional examining measuring car provides a kind of effective way solved the problem, but the accuracy rate of disease recognition and false recognition rate are more formidable technical bottlenecks always.On the crackle of the new and old road of different aberration, short of width 1mm, prior art usually can not meet the requirement of accuracy of identification, the mode of solution mainly comprise optimize picture processing algorithm, improve accuracy of instrument and adopt different checkout equipment in the past and method.On the whole, effective mode is not also had at present to improve the accuracy of detection of pavement disease.
Because above-mentioned existing pavement disease detects the defect existed, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, makes it have more practicality to founding a kind of novel pavement disease detection method based on magnetometric analysis technology.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
Main purpose of the present invention is, overcomes existing pavement disease and detects the defect existed, and provide a kind of novel pavement disease detection method based on magnetometric analysis technology, improve accuracy of detection, thus be more suitable for practicality, and have the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the pavement disease detection method based on magnetometric analysis technology that the present invention proposes, comprise the steps,
(1) magnetic road surface is built;
(2) in detected region, pavement disease situation is detected by magnetization pavement detection system.
The Cleaning Principle that the present invention is based on the pavement disease detection method of magnetometric analysis technology is as follows:
1. when road surface entirety has magnetic characteristic, magnetic collection probe records by gathering road surface heat treatment power and differentiates pavement behavior, magnetic collection probe is linearly densely arranged, when running into crack, and field weakening, when running into repairing area, magnetic characteristic lacks, and when running into hole groove, magnetic characteristic weakens, completed the record of pavement disease feature by the shape of feature and the area of magnetic anomaly, and then judge the situation of pavement disease.
2. interface, road surface has magnetic, the fluctuating situation on overall road surface is demarcated by the change of road surface magnetic intensity, laser ranging probe and magnetic collection probe are alternately placed, detects the integrated data of supercrust interface and surface evenness, finally draw the integrated status of road surface each layer rut situation.
Further, aforesaid based on
The pavement disease detection method of magnetometric analysis technology, builds magnetic road surface in described (1), is added on by magnetic mineral fine in surface layer or is added between adhesion coating and Sub-sealing Course.
Further, the aforesaid pavement disease detection method based on magnetometric analysis technology, in described magnetic mineral fine, magnetic material content is greater than 95%.
Further, the aforesaid pavement disease detection method based on magnetometric analysis technology, in described magnetic mineral fine, Magnetic Materials density is greater than 4.5g/cm
3, 0.075mm screen cloth percent of pass is greater than 95%.
Further, the aforesaid pavement disease detection method based on magnetometric analysis technology, build magnetic road surface in described (1), the mass ratio of magnetic mineral fine and common breeze is 60% ~ 85%:15% ~ 40%.
Further, the aforesaid pavement disease detection method based on magnetometric analysis technology, described magnetization pavement detection system comprises inspection vehicle, magnetic collection probe, data memory module and Data Management Analysis module, described inspection vehicle one end arranges magnetic collection probe, magnetic collection probe is connected with data memory module, and data memory module is connected with Data Management Analysis module.
Further, the aforesaid pavement disease detection method based on magnetometric analysis technology, described magnetization pavement detection system also includes laser ranging probe, and described laser ranging probe and magnetic collection probe are for multiple, alternately place mutually, density of setting is 10 ~ 15/meter.
By technique scheme, the pavement disease detection method that the present invention is based on magnetometric analysis technology at least has following advantages:
Pavement disease detection method based on magnetometric analysis of the present invention, when magnetic mineral fine adds in asphaltic road-mix surface course paver, makes top course entirety have magnetic, can be used for detecting the disease that road surface occurs, as crack, hole groove, loose etc.; When magnetic mineral fine adds between adhesion coating, Sub-sealing Course, for detecting the change of interface layer, for evaluating the rutting deformation analysis on road surface.Effectively can improve the accuracy rate of pavement disease identification, not by the impact of road surface weather condition, have the ability of all weather operations, detection speed is fast simultaneously, efficiency is high, brings good economic benefit.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Figure 1 shows that magnetic collection probe fundamental diagram;
Fig. 2 magnetic road surface testing schematic diagram;
Fig. 3 magnetic collection probe interface work principle;
Fig. 4 magnetic interface testing schematic diagram;
Connotation is marked: 1. inspection vehicle, 2. magnetic collection probe, 3. laser ranging probe, 4. magnetic road surface, 5. magnetic interface, 6. crack area, 7. repairing area, 8. cross section, road surface in figure.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, to its detailed description of the invention of pavement disease detection method based on magnetometric analysis technology proposed according to the present invention, feature and effect thereof, be described in detail as follows.
Embodiment 1
As illustrated in fig. 1 and 2, the pavement disease detection method based on magnetometric analysis technology of the present invention is for detecting pavement disease.This detection method emphasis is for the road surface through magnetic process, and in pavement construction process, magnetic mineral fine adds in asphaltic road-mix surface course paver, and the mass ratio of magnetic mineral fine and common breeze is 85%:15%, makes top course entirety have magnetic; Inspection vehicle 1 drives through whole detected region, and in testing process, magnetic collection probe 2 is near the surface on magnetic road surface 4, and magnetic collection probe 2 records by gathering road surface heat treatment power and differentiates pavement behavior.Magnetic collection probe 2 is densely arranged at inspection vehicle 1 end linear, when running into crack area 6, and field weakening, when running into repairing area 7, magnetic characteristic lacks, when running into hole groove, magnetic characteristic weakens, and is completed the record of pavement disease feature by the shape of feature and the area of magnetic anomaly; The data that magnetic collection probe 2 detects are transferred to data memory module, and analyze through Data Management Analysis module, obtain pavement disease situation.
Embodiment 2
As shown in Figures 3 and 4, pavement disease detection method based on magnetometric analysis technology of the present invention is for detecting interface disease, the method is mainly for detection of the rutting deformation on road surface, in the construction period on road surface, magnetic mineral fine is added between adhesion coating and Sub-sealing Course, the mass ratio of magnetic mineral fine and common breeze is 85%:15%, construction obtains magnetic interface 5, interface, road surface has magnetic, the fluctuating situation on overall road surface is demarcated by the change of road surface magnetic intensity, laser ranging probe 3 and magnetic collection probe 2 are alternately placed, detect the integrated data of supercrust interface deformation degree and surface evenness, finally draw the integrated status of road surface each layer rut situation.
Pavement disease detection method based on magnetometric analysis of the present invention, effectively can improve the accuracy rate of pavement disease identification, not by the impact of road surface weather condition, there is the ability of all weather operations, detection speed is fast simultaneously, efficiency is high, brings good economic benefit.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1., based on a pavement disease detection method for magnetometric analysis technology, it is characterized in that: comprise the steps,
(1) magnetic road surface is built;
(2) in detected region, pavement disease situation is detected by magnetization pavement detection system.
2. the pavement disease detection method based on magnetometric analysis technology according to claim 1, is characterized in that: build magnetic road surface in described (1), be added on by magnetic mineral fine in surface layer or be added between adhesion coating and Sub-sealing Course.
3. the pavement disease detection method based on magnetometric analysis technology according to claim 2, is characterized in that: in described magnetic mineral fine, magnetic material content is greater than 95%.
4. the pavement disease detection method based on magnetometric analysis technology according to claim 3, is characterized in that: in described magnetic mineral fine, Magnetic Materials density is greater than 4.5g/cm
3, 0.075mm screen cloth percent of pass is greater than 95%.
5. the pavement disease detection method based on magnetometric analysis technology according to claim 2, is characterized in that: build magnetic road surface in described (1), the mass ratio of magnetic mineral fine and common breeze is 60% ~ 85%:15% ~ 40%.
6. the pavement disease detection method based on magnetometric analysis technology according to claim 1, it is characterized in that: described magnetization pavement detection system comprises inspection vehicle, magnetic collection probe, data memory module and Data Management Analysis module, described inspection vehicle one end arranges magnetic collection probe, magnetic collection probe is connected with data memory module, and data memory module is connected with Data Management Analysis module.
7. the pavement disease detection method based on magnetometric analysis technology according to claim 6, it is characterized in that: described magnetization pavement detection system also includes laser ranging probe, described laser ranging probe and magnetic collection probe are for multiple, alternately place mutually, density of setting is 10 ~ 15/meter.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105714659A (en) * | 2016-03-04 | 2016-06-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Method for determining pavement structural depth by means of iron-containing particles |
| CN113092578A (en) * | 2021-04-07 | 2021-07-09 | 上海应用技术大学 | Method for rapidly detecting external thermal insulation pasting quality of building |
| CN115636631A (en) * | 2022-11-09 | 2023-01-24 | 山东高速集团有限公司创新研究院 | Geopolymer-based soft magnetic material, preparation method thereof and application thereof in detection of crack width of asphalt pavement base course |
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| CN105714659A (en) * | 2016-03-04 | 2016-06-29 | 贵州省交通规划勘察设计研究院股份有限公司 | Method for determining pavement structural depth by means of iron-containing particles |
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Address after: 210017 No. 223 Simon Street, Jiangsu, Nanjing Patentee after: JSTI GROUP Co.,Ltd. Address before: 210000 No. 2200 Chengxin Avenue, Jiangning District, Nanjing, Jiangsu. Patentee before: JSTI GROUP Co.,Ltd. |