CN114061432A - Geological radar detection system and method - Google Patents
Geological radar detection system and method Download PDFInfo
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- CN114061432A CN114061432A CN202210047136.2A CN202210047136A CN114061432A CN 114061432 A CN114061432 A CN 114061432A CN 202210047136 A CN202210047136 A CN 202210047136A CN 114061432 A CN114061432 A CN 114061432A
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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
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
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Abstract
The invention discloses a geological radar detection system and a method, which belong to the technical field of pavement detection, and comprise a server and a mobile terminal, wherein the server is in communication connection with the mobile terminal, the server is also in communication connection with a correction module, the mobile terminal, a route planning module and a detection module, the correction module is used for correcting the detection of a geological radar, establishing a road model, and planning a detection route of a road through the route planning module; the detection module is used for detecting the thickness of the road, and correcting the road in advance to ensure the authenticity and accuracy of the detection data in the road detection process, correct the road model in the checking process, save the adjustment records of the road model, provide data support for the detection of other aspects of the road, and simultaneously the adjusted road model is more in line with the actual situation, provide support for accurately planning the detection route of the route planning module, and realize the mutual matching of the correction model and the route planning module.
Description
Technical Field
The invention belongs to the technical field of pavement detection, and particularly relates to a geological radar detection system and a method.
Background
In road acceptance detection, the thickness of road surfaces such as an asphalt layer and the like is generally determined by adopting a drilling and coring method; the method has the defects that the thickness result of a few detection points is used for replacing the thickness of the whole project, and the traditional drilling coring method has great randomness and no continuity for the evaluation of the thickness of the asphalt layer, so that the construction speculation psychology is easy to cause; the geological detection radar transmits electromagnetic waves with high frequency and wide frequency bands by using a transmitting antenna, and a receiving antenna receives reflected waves from a medium interface. Since the electromagnetic wave is reflected when it travels through a medium and encounters a boundary surface having an electrical difference, and information such as a spatial position, a structure, a form, and a buried depth of the medium is estimated from characteristics such as a waveform, an amplitude intensity, and a temporal change of the received electromagnetic wave, it is important to apply a geological radar technique to road quality acceptance detection in order to objectively evaluate a thickness of a road.
Disclosure of Invention
In order to solve the problems existing in the scheme, the invention provides a geological radar detection system and a method.
The purpose of the invention can be realized by the following technical scheme:
a geological radar detection system comprises a server and a mobile terminal, wherein the server is in communication connection with the mobile terminal, and is also in communication connection with a correction module, a route planning module and a detection module, wherein the correction module is used for correcting the detection of a geological radar, establishing a road model and planning the detection route of a road through the route planning module;
the detection module is used for detecting the thickness of the road, and the specific method comprises the following steps:
the vehicle is controlled to drive the vehicle-mounted geological radar to detect along a detection route, the position of the vehicle-mounted geological radar is obtained in real time, the obtained position of the vehicle-mounted geological radar is updated in a road model in real time, when the position of the vehicle-mounted geological radar exceeds the range of a deviation value, an alarm signal is generated and sent to a moving end, a detector is prompted to adjust the advancing route of the vehicle-mounted geological radar, correction parameters of a corresponding correction road section in the road model are obtained, the vehicle-mounted geological radar is adjusted according to the correction parameters, the detection thickness is obtained, the obtained detection thickness is input into the road model, and a road thickness surface is established according to a point position corresponding to the detection thickness and rechecking data.
Further, the working method of the correction module comprises the following steps:
the method comprises the steps of obtaining a design drawing and a construction record of a road, establishing a three-dimensional model of the road according to the design drawing, marking the three-dimensional model as a road model, determining construction road sections of the road, detecting and checking the construction road sections, obtaining correction parameters of a plurality of construction road sections, integrating adjacent construction road sections with the same correction value into one correction road section, marking section lines in the road model, setting the correction parameters of the corresponding correction road sections in the road model, and marking the thickness data of a field drilled hole in the detection and checking process as rechecking data at corresponding positions in the road model.
Further, the method for detecting and checking the construction road section to obtain the correction parameters comprises the following steps:
adjusting detection parameters of the vehicle-mounted geological radar, wherein a positioning unit is arranged on the vehicle-mounted geological radar and used for positioning the position of the vehicle-mounted geological radar, updating the acquired position of the vehicle-mounted geological radar in a road model, detecting a corrected road through the vehicle-mounted geological radar to obtain road detection thickness data, selecting detection points corresponding to a plurality of thickness data from the road detection thickness data as check points, obtaining the thickness of the check points in a drilling sampling mode, and correcting the vehicle-mounted geological radar through the obtained thickness of the check points to obtain the correction parameters.
Furthermore, the boundary coordinates of the road model are checked in the detection and check process, the road model is adjusted according to the check result of the boundary coordinates, and the adjustment record of the road model is saved.
Further, the method for planning the detection route of the road comprises the following steps:
the method comprises the steps of obtaining the detection width of the vehicle-mounted geological radar, setting the overlapping check width, setting a detection route according to the overlapping check width, the detection width and the road width, setting a deviation value of the detection route, and marking the detection route and the deviation value in a road model.
Further, marking the difference areas of the two road thickness surfaces in the overlapping check area, acquiring the difference value of the difference areas, setting the allowable detection error of the vehicle-mounted geological radar, acquiring the difference area which is not greater than the allowable detection error in the difference values of the difference areas, and removing the mark from the corresponding difference area; acquiring a specific region, judging whether the marked distinguishing region is positioned in the specific region or not, and removing the mark from the distinguishing region positioned in the specific region; establishing a rechecking model, rechecking the marked distinguishing area through the rechecking model to obtain the distinguishing area needing rechecking, marking the distinguishing area as a rechecking area, performing drilling rechecking on the rechecking area to obtain a corresponding detection route with problems, setting a rechecking route, performing retesting according to the rechecking route, and replacing a corresponding road thickness surface in the road model; the final road thickness profile of the road is obtained.
Further, the method for obtaining the specific region includes:
in the process of road detection, sundries which influence the detection on the road are identified, a sundry area is calibrated, the sundry area is converted into a road model, and the road model is marked as a specific area.
Further, coordinates are set in the road model.
A method of geological radar detection, the method comprising:
the method comprises the following steps: detecting and correcting the vehicle-mounted geological radar;
step two: planning a detection route of a road;
step three: detecting the thickness of the road according to the detection route;
step four: and (6) performing thickness detection and checking.
Compared with the prior art, the invention has the beneficial effects that: the road detection is corrected in advance, so that the authenticity and the accuracy of detection data in the road detection process are guaranteed, the road model is corrected in the checking process, the adjustment record of the road model is stored, data support is provided for the detection of other aspects of the road, and the adjusted road model is more in line with the actual situation, so that support is provided for accurately planning a detection route by a route planning module, and the correction model and the route planning module are matched with each other; through planning the detection route in advance for the detection is more comprehensive, avoids lou examining and repeated detection, and through setting up overlapping check width, can verify the accuracy that adjacent twice detected fast, and through getting rid of specific region, recheck the differentiation region, guarantee the accuracy that detects.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic diagram of the overlay check width according to the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 2, a geological radar detection system includes a modification module, a mobile terminal, a route planning module, a detection module and a server, wherein the modification module, the mobile terminal, the route planning module and the detection module are all in communication connection with the server;
the mobile terminal is a client terminal which is used by detection personnel in a handheld mode, can be an app installed in a mobile phone, and can receive data sent by a geological radar, such as dynamic information of a road model displayed in real time;
because the geological radar reflects when electromagnetic waves are transmitted in a medium and meet interface surfaces with electrical differences, information such as the spatial position, the structure, the form and the buried depth of the medium is estimated according to characteristics such as the waveform, the amplitude intensity and the time change of the received electromagnetic waves, when the road thickness is detected, on-site correction is needed according to materials used by the road, for example, a concrete pavement, if the standard concrete electrical property is directly used for measurement, a large error exists, because the mix proportion of concrete in the manufacturing process changes, particularly, when the concrete is manufactured by manually controlling a mixer, the error exists, and therefore correction of geological radar detection is needed for more accurately measuring the real thickness of the road.
The correction module is used for correcting the detection of the geological radar;
in one embodiment, a section of road is selected as a correction road at will, detection parameters of the vehicle-mounted geological radar are adjusted, namely the electrical property of the road material in the vehicle-mounted geological radar is adjusted to the electrical property of the current road, the vehicle-mounted geological radar used in the application is a vehicle-mounted traction geological radar, namely the vehicle-mounted geological radar is fixed behind a vehicle, and is driven to move through the movement of the vehicle, so that the road thickness is detected; the vehicle-mounted geological radar is provided with a positioning unit, the positioning unit is used for positioning the position of the vehicle-mounted geological radar, namely the position coordinate relative to a road model, updating the acquired position of the vehicle-mounted geological radar in the road model, detecting a corrected road through the vehicle-mounted geological radar to obtain road detection thickness data, selecting a plurality of detection points corresponding to the thickness data from the road detection thickness data as check points, obtaining the thickness of the check points in a drilling sampling mode, and correcting the vehicle-mounted geological radar through the obtained thickness of the check points; comparing the detection data before correction of the vehicle-mounted geological mine with the real thickness of the check point to determine the detection conversion relation of the current road; according to the geological radar detection principle and the road thickness detection error allowable range, the real thickness of the detection data and the check point can be regarded as a linear relation, and then correction is carried out.
In one embodiment, the road section is directly selected for correction, so that certain one-sidedness exists, because the road is not directly cast once, a plurality of construction road sections exist, and the material ratios used by different construction road sections can be different, so that certain one-sidedness exists in the direct selection;
acquiring a design drawing and a construction record of a road, wherein the construction record is used for recording construction materials, such as construction logs and construction plans, of a specific construction road section, a three-dimensional model of the road is established according to the design drawing and is marked as a road model, and coordinates are arranged in the road model, namely coordinates designed in the design drawing and used as coordinate points for lofting of constructors; determining a construction road section of a road, detecting and checking the construction road section according to the previous embodiment, checking boundary coordinates of a road model in the detection and checking process, wherein the boundary coordinates refer to coordinates of a road boundary, adjusting the road model according to the check result of the boundary coordinates, and storing adjustment records of the road model, so that whether the actual construction of the road deviates from the direction or not and whether the width meets the requirements or not can be known through the adjustment records of the road model, and correction parameters of a plurality of construction road sections are obtained, wherein the correction parameters are electric adjustment integers of the corresponding road sections; integrating adjacent construction road sections with the same correction value into a correction road section, marking a section line in the road model, wherein the section line is a boundary line of different correction road sections, setting correction parameters corresponding to the correction road sections in the road model, marking the on-site drilling thickness data in the detection and check process as rechecking data at corresponding positions in the road model, and the drilling thickness data comprises thickness and coordinates.
The road detection is corrected in advance, authenticity and accuracy of detection data in the road detection process are guaranteed, the road model is corrected in the checking process, adjustment records of the road model are stored, data support is provided for detection of other aspects of the road, the adjusted road model is more in line with actual conditions, support is provided for accurate planning of a detection route of a route planning module, and mutual matching of the correction model and the route planning module is achieved.
The route planning module is used for planning a detection route of a road, obtaining the detection width of the vehicle-mounted geological radar, setting an overlapping check width, wherein the overlapping check width is the width of an overlapping area of the detection ranges of the two adjacent vehicle-mounted geological radars, the specific numerical value of the overlapping check width is set by a detector and is generally 10cm, the detection route is set according to the overlapping check width, the detection width and the road width, the deviation value of the detection route is set, namely the vehicle-mounted geological radar cannot exceed the deviation value, and the vehicle-mounted geological radar is guaranteed to be in the preset detection range; the deviation value is set by the expert group for discussion; marking the detected route and the deviation value in a road model;
illustratively, as shown in fig. 2, the road width is 3.1m, the detection width of the vehicle-mounted geological radar is 1.1m, and the overlap check width is 10 cm.
The detection module is used for detecting the thickness of the road, and the specific method comprises the following steps:
controlling a vehicle to drive a vehicle-mounted geological radar to detect along a detection route, acquiring the position of the vehicle-mounted geological radar in real time, updating the acquired position of the vehicle-mounted geological radar in a road model in real time, generating an alarm signal when the position of the vehicle-mounted geological radar exceeds the range of a deviation value, sending the alarm signal to a mobile terminal, prompting a detector to adjust the traveling route of the vehicle-mounted geological radar, and ensuring that the detector is positioned on the vehicle or a person using the mobile terminal is positioned on the vehicle; acquiring correction parameters corresponding to a correction road section in a road model, adjusting a vehicle-mounted geological radar according to the correction parameters, emitting electromagnetic waves through the vehicle-mounted ground penetrating radar, wherein the electromagnetic waves penetrate through cement concrete or asphalt pavement and generate reflected electromagnetic waves when meeting pavement foundations of different materials, receiving the reflected electromagnetic waves by a vehicle-mounted ground penetrating radar system, acquiring reflected wave signals, amplifying and performing A/D conversion on the reflected wave signals by a data acquisition module, then sending the reflected wave signals to a main controller, acquiring detection thickness, inputting the acquired detection thickness into the road model, establishing a road thickness surface according to point positions corresponding to the detection thickness and recheck data, namely connecting the point positions corresponding to a plurality of detection thicknesses and the recheck data by using a smooth curve to obtain the road thickness surface, wherein the thickness data detected by the vehicle-mounted geological radar cannot be used because the road corresponding to the recheck data is drilled, replacing the corresponding thickness data;
marking a difference region of two road thickness surfaces in an overlapping check region, wherein the difference region refers to a region where the two road thickness surfaces intersect to generate a height difference due to different thickness values, the difference region is a difference value of the two road thickness surfaces, setting an allowable detection error of the vehicle-mounted geological radar, discussing and setting the allowable detection error of the vehicle-mounted geological radar by an expert group according to the precision of the vehicle-mounted geological radar and a road construction allowable error, acquiring the difference region which is not more than the allowable detection error in the difference value of the difference region, and removing the mark from the corresponding difference region; namely, the original mark is removed and is not marked any more; acquiring a specific region, judging whether the marked distinguishing region is positioned in the specific region or not, and removing the mark from the distinguishing region positioned in the specific region; establishing a rechecking model, wherein the rechecking model is established based on a CNN network or a DNN network, and is trained by using the marked distinguishing area and correspondingly set rechecking labels, and the rechecking labels comprise rechecking and non-rechecking; mainly according to the length of the distinguishing area and the size of the difference value; rechecking the marked distinguishing area through a rechecking model to obtain the distinguishing area needing rechecking, wherein the distinguishing area needing rechecking is the distinguishing area with the rechecking label as the rechecking area, drilling and rechecking are carried out on the rechecking area to obtain a corresponding detection route with a problem, and a retesting route is set, is used for rechecking the distinguishing area with the problem and is a detection route with a section of length; re-detecting according to the re-measured route, and replacing the corresponding road thickness surface in the road model; obtaining a final road thickness surface of the road; and comparing the final road thickness surface with the designed road thickness to judge whether the road construction has problems.
Because the road is open, the road surface may affect the detection of the thickness of the road by detecting sundries, such as large pieces of water stain, mud and the like, and therefore, the area with the sundries needs to be marked, influence factors are eliminated, and the detection accuracy is improved;
the method for obtaining the specific region comprises the following steps:
in one embodiment, when a detection person finds that sundries affecting detection appear on a detection line, the sundries affecting detection refer to sundries with a large area, and the large area is set and judged by a technician, and is generally larger than one square meter; the large-area sundries refer to substances which affect the detection of the geological radar on the road surface, such as large accumulated water, soil, paper pieces, broken stones and the like on the road surface; the vehicle speed is reduced, a sundry area is manually marked in the road model through the moving end and is marked as a special area, the special area is larger than the sundry area, the boundary is marked on the outer side of the sundry and is in an inclusion relation, and the large allowable error exists.
However, the specific area is obtained, because the detection personnel cannot directly see the specific position of the vehicle-mounted geological detection radar, the specific area is often marked to be large in order to completely contain the area of sundries;
in one embodiment, a camera device is arranged on the vehicle-mounted geological detection radar, when detection personnel find that sundries influencing detection appear on a detection line, the detection personnel observe the road condition below the vehicle-mounted geological detection radar through the moving end, and then manually mark a specific area in a road model through the moving end.
In one embodiment, a camera device is arranged on a vehicle-mounted geological detection radar, shot image information is obtained in real time, an image model is built based on a CNN network or a DNN network, the image information and a correspondingly arranged specific region are used as a training set for training, the shot image information is analyzed through the image model to obtain the specific region, and the specific region is marked in a road model.
A geological radar detection method specifically comprises the following steps:
the method comprises the following steps: detecting and correcting the vehicle-mounted geological radar;
obtaining a design drawing and a construction record of a road, establishing a three-dimensional model of the road according to the design drawing, marking the three-dimensional model as a road model, determining a construction section of the road, adjusting detection parameters of the vehicle-mounted geological radar, wherein the vehicle-mounted geological radar is provided with a positioning unit which is used for positioning the position of the vehicle-mounted geological radar and updating the acquired position of the vehicle-mounted geological radar in the road model, detecting a corrected road through the vehicle-mounted geological radar to obtain road detection thickness data, selecting a plurality of detection points corresponding to the thickness data from the road detection thickness data as check points, obtaining the thickness of the check points in a drilling sampling mode, correcting the vehicle-mounted geological radar through the obtained thickness of the check points to obtain correction parameters of a plurality of construction sections, namely comparing the detection data before correction of the vehicle-mounted geological radar with the real thickness of the check points, determining the detection conversion relation of the current road, namely determining the real concrete electric property of the current road;
integrating adjacent construction road sections with the same correction value into a correction road section, marking a road section line in the road model, setting correction parameters corresponding to the correction road section in the road model, and marking the thickness data of the on-site drill hole as rechecking data in the detection and check process at a corresponding position in the road model;
and checking the boundary coordinates of the road model in the detection and checking process, adjusting the road model according to the check result of the boundary coordinates, and storing the adjustment record of the road model.
Step two: planning a detection route of a road;
the method comprises the steps of obtaining the detection width of the vehicle-mounted geological radar, setting the overlapping check width, setting a detection route according to the overlapping check width, the detection width and the road width, setting a deviation value of the detection route, and marking the detection route and the deviation value in a road model.
Step three: detecting the thickness of the road according to the detection route;
the vehicle is controlled to drive the vehicle-mounted geological radar to detect along a detection route, the position of the vehicle-mounted geological radar is obtained in real time, the obtained position of the vehicle-mounted geological radar is updated in a road model in real time, when the position of the vehicle-mounted geological radar exceeds the range of a deviation value, an alarm signal is generated and sent to a moving end, a detector is prompted to adjust the advancing route of the vehicle-mounted geological radar, correction parameters of a corresponding correction road section in the road model are obtained, the vehicle-mounted geological radar is adjusted according to the correction parameters, the detection thickness is obtained, the obtained detection thickness is input into the road model, and a road thickness surface is established according to a point position corresponding to the detection thickness and rechecking data.
Step four: and (6) performing thickness detection and checking.
Marking the difference areas of the two road thickness surfaces in the overlapping check area, acquiring the difference value of the difference areas, setting the allowable detection error of the vehicle-mounted geological radar, acquiring the difference area which is not greater than the allowable detection error in the difference values of the difference areas, and removing the mark from the corresponding difference area; acquiring a specific region, judging whether the marked distinguishing region is positioned in the specific region or not, and removing the mark from the distinguishing region positioned in the specific region; establishing a rechecking model, rechecking the marked distinguishing area through the rechecking model to obtain the distinguishing area needing rechecking, marking the distinguishing area as a rechecking area, performing drilling rechecking on the rechecking area to obtain a corresponding detection route with problems, setting a rechecking route, performing retesting according to the rechecking route, and replacing a corresponding road thickness surface in the road model; the final road thickness profile of the road is obtained.
The working principle of the invention is as follows: the detection of the geological radar is corrected through a correction module, a road model is established, and a detection route of the road is planned through a route planning module; the vehicle is controlled to drive the vehicle-mounted geological radar to detect along a detection route, the position of the vehicle-mounted geological radar is obtained in real time, the obtained position of the vehicle-mounted geological radar is updated in a road model in real time, when the position of the vehicle-mounted geological radar exceeds the range of a deviation value, an alarm signal is generated and sent to a moving end, a detector is prompted to adjust the advancing route of the vehicle-mounted geological radar, correction parameters of a corresponding correction road section in the road model are obtained, the vehicle-mounted geological radar is adjusted according to the correction parameters, the detection thickness is obtained, the obtained detection thickness is input into the road model, and a road thickness surface is established according to a point position corresponding to the detection thickness and rechecking data.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (8)
1. A geological radar detection system comprises a server and a mobile terminal, wherein the server is in communication connection with the mobile terminal, and the geological radar detection system is characterized in that the server is also in communication connection with a correction module, a route planning module and a detection module, the correction module is used for correcting detection of a geological radar and establishing a road model, a detection route of a road is planned through the route planning module, the detection width of a vehicle-mounted geological radar is obtained, an overlapping check width is set, the detection route is set according to the overlapping check width, the detection width and the road width, a deviation value of the detection route is set, and the detection route and the deviation value are marked in the road model;
the detection module is used for detecting the thickness of the road, and the specific method comprises the following steps:
the vehicle is controlled to drive the vehicle-mounted geological radar to detect along a detection route, the position of the vehicle-mounted geological radar is obtained in real time, the obtained position of the vehicle-mounted geological radar is updated in a road model in real time, when the position of the vehicle-mounted geological radar exceeds the range of a deviation value, an alarm signal is generated and sent to a moving end, a detector is prompted to adjust the advancing route of the vehicle-mounted geological radar, correction parameters of a corresponding correction road section in the road model are obtained, the vehicle-mounted geological radar is adjusted according to the correction parameters, the detection thickness is obtained, the obtained detection thickness is input into the road model, and a road thickness surface is established according to a point position corresponding to the detection thickness and rechecking data.
2. The geological radar detection system according to claim 1, characterized in that the working method of the correction module comprises:
the method comprises the steps of obtaining a design drawing and a construction record of a road, establishing a three-dimensional model of the road according to the design drawing, marking the three-dimensional model as a road model, determining construction road sections of the road, detecting and checking the construction road sections, obtaining correction parameters of a plurality of construction road sections, integrating adjacent construction road sections with the same correction value into one correction road section, marking section lines in the road model, setting the correction parameters of the corresponding correction road sections in the road model, and marking the thickness data of a field drilled hole in the detection and checking process as rechecking data at corresponding positions in the road model.
3. The geological radar detection system as recited in claim 2, wherein the method for detecting and checking the construction road section and obtaining the correction parameters comprises:
adjusting detection parameters of the vehicle-mounted geological radar, wherein a positioning unit is arranged on the vehicle-mounted geological radar and used for positioning the position of the vehicle-mounted geological radar, updating the acquired position of the vehicle-mounted geological radar in a road model, detecting a corrected road through the vehicle-mounted geological radar to obtain road detection thickness data, selecting detection points corresponding to a plurality of thickness data from the road detection thickness data as check points, obtaining the thickness of the check points in a drilling sampling mode, and correcting the vehicle-mounted geological radar through the obtained thickness of the check points to obtain the correction parameters.
4. The system of claim 2, wherein the boundary coordinates of the road model are checked during the detection and check, the road model is adjusted according to the check result of the boundary coordinates, and the adjustment record of the road model is saved.
5. The geological radar detection system according to claim 1, characterized in that the difference between two road thickness surfaces in the overlap check area is marked, the difference between the difference areas is obtained, the allowable detection error of the vehicle-mounted geological radar is set, the difference between the difference areas is obtained, the difference area is not greater than the allowable detection error, and the corresponding difference area is unmarked; acquiring a specific region, judging whether the marked distinguishing region is positioned in the specific region or not, and removing the mark from the distinguishing region positioned in the specific region; establishing a rechecking model, rechecking the marked distinguishing area through the rechecking model to obtain the distinguishing area needing rechecking, marking the distinguishing area as a rechecking area, performing drilling rechecking on the rechecking area to obtain a corresponding detection route with problems, setting a rechecking route, performing retesting according to the rechecking route, and replacing a corresponding road thickness surface in the road model; the final road thickness profile of the road is obtained.
6. A geological radar detection system according to claim 5, characterized in that the method of acquiring distinct zones comprises:
in the process of road detection, sundries which influence the detection on the road are identified, a sundry area is calibrated, the sundry area is converted into a road model, and the road model is marked as a specific area.
7. A geological radar detection system according to claim 2, characterized in that coordinates are provided in the road model.
8. A geological radar detection method, applied to a geological radar detection system as claimed in any one of claims 1-7, characterized in that the detection method comprises:
the method comprises the following steps: detecting and correcting the vehicle-mounted geological radar;
step two: planning a detection route of a road;
step three: detecting the thickness of the road according to the detection route;
step four: and (6) performing thickness detection and checking.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133212A (en) * | 2014-07-09 | 2014-11-05 | 中国电子科技集团公司第二十二研究所 | Radar device and method used for real-time detection of road structure layer thickness |
| WO2017202284A1 (en) * | 2016-05-23 | 2017-11-30 | 桂仲成 | Pavement autonomous detection intelligent apparatus, robot system and detection method |
| CN109541586A (en) * | 2018-11-08 | 2019-03-29 | 山东交通学院 | A kind of Ground Penetrating Radar quick detection road engineering concrete cushion thickness analysis method |
| CN112505142A (en) * | 2020-10-27 | 2021-03-16 | 北京建筑大学 | Method for detecting damage of road structure, autonomous mobile device and storage medium |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133212A (en) * | 2014-07-09 | 2014-11-05 | 中国电子科技集团公司第二十二研究所 | Radar device and method used for real-time detection of road structure layer thickness |
| WO2017202284A1 (en) * | 2016-05-23 | 2017-11-30 | 桂仲成 | Pavement autonomous detection intelligent apparatus, robot system and detection method |
| CN109541586A (en) * | 2018-11-08 | 2019-03-29 | 山东交通学院 | A kind of Ground Penetrating Radar quick detection road engineering concrete cushion thickness analysis method |
| CN112505142A (en) * | 2020-10-27 | 2021-03-16 | 北京建筑大学 | Method for detecting damage of road structure, autonomous mobile device and storage medium |
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