CN114062516B - Tunnel-oriented ultrasonic detection system - Google Patents
Tunnel-oriented ultrasonic detection system Download PDFInfo
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- CN114062516B CN114062516B CN202210052361.5A CN202210052361A CN114062516B CN 114062516 B CN114062516 B CN 114062516B CN 202210052361 A CN202210052361 A CN 202210052361A CN 114062516 B CN114062516 B CN 114062516B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4472—Mathematical theories or simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
Abstract
The invention discloses a tunnel-oriented ultrasonic detection system, which belongs to the technical field of tunnel detection and comprises a modeling module, a point location planning module, an ultrasonic correction module, an ultrasonic detection module and a server; the point location planning module is used for planning tunnel detection points for the tunnel to be detected and marking the planned tunnel detection points in the tunnel model; the ultrasonic correction module is used for correcting ultrasonic detection data, sending the corrected ultrasonic detection data to the modeling module and inputting the ultrasonic detection data into the tunnel model; based on the tunnel model, the ultrasonic detection progress is visually displayed, so that management personnel can conveniently control the detection progress; and meanwhile, the tunnel model is closely matched with the ultrasonic detection flow, so that detection personnel can conveniently plan the tunnel detection point position, the reasonable setting of the tunnel detection point is ensured, and the comprehensiveness of ultrasonic detection is increased.
Description
Technical Field
The invention belongs to the technical field of tunnel detection, and particularly relates to a tunnel-oriented ultrasonic detection system.
Background
The tunnel has the characteristics of large section, more accessory facilities, high operation environment requirement and the like, so the requirement on the technical level of tunnel construction is relatively high. According to the structural characteristics of the tunnel and the requirements of operation and maintenance, in each subsection engineering of the tunnel, excavation, supporting, water drainage prevention and lining of a tunnel body are main engineering, and the construction quality of the tunnel is strictly controlled so as to ensure the operation safety, the structural performance and the service life of the tunnel.
The invention provides a tunnel-oriented ultrasonic detection system for nondestructive tunnel detection, which is an effective means for tunnel engineering quality control, so that how to detect a tunnel becomes important.
Disclosure of Invention
In order to solve the problems existing in the scheme, the invention provides a tunnel-oriented ultrasonic detection system.
The purpose of the invention can be realized by the following technical scheme:
the tunnel-oriented ultrasonic detection system comprises a modeling module, a point location planning module, an ultrasonic correction module, an ultrasonic detection module and a server; the point location planning module is used for planning tunnel detection points for the tunnel to be detected and marking the planned tunnel detection points in the tunnel model; the ultrasonic correction module is used for correcting ultrasonic detection data, sending the corrected ultrasonic detection data to the modeling module and inputting the corrected ultrasonic detection data into the tunnel model;
the ultrasonic detection module is used for carrying out ultrasonic detection on the tunnel, and the specific method comprises the following steps:
the method comprises the steps that an ultrasonic detection vehicle is arranged, a positioning unit is arranged on the ultrasonic detection vehicle and used for positioning the position coordinates of the ultrasonic detection vehicle in real time, the detected coordinates are sent to a modeling module, and the position of the ultrasonic detection vehicle is displayed in a tunnel model in real time; acquiring coordinates of tunnel detection points needing to be subjected to ultrasonic detection, controlling an ultrasonic detection vehicle to advance, setting the operating radius of the ultrasonic detection vehicle, positioning the coordinates of the ultrasonic detection vehicle in real time, and when the tunnel detection points needing to be subjected to detection are located within the operating radius of the ultrasonic detection vehicle, sending prompt information by a positioning unit and marking the positions of the tunnel detection points in a tunnel;
the detection personnel processes the tunnel detection point, when the tunnel detection point is processed, the ultrasonic detection device is used for carrying out ultrasonic detection on the tunnel detection point, and detected detection data are sent to the ultrasonic correction module for correction.
Furthermore, a coordinate system which refers to the tunnel model is arranged in the positioning unit.
Furthermore, when the detection conditions of the tunnel detection points do not meet the ultrasonic detection requirements, the detection personnel selects one tunnel detection point again at the periphery of the tunnel detection points, and sends the coordinates of the newly selected tunnel detection point to the modeling module to replace the corresponding tunnel detection point in the tunnel model.
Further, the working method of the modeling module comprises the following steps:
acquiring a 3D model of the tunnel, performing format conversion on the acquired 3D model, and marking the converted 3D model as a tunnel model; establishing a display insertion unit, acquiring tunnel detection points, marking the acquired tunnel detection points at corresponding positions in a tunnel model, acquiring detection data of the corresponding tunnel detection points in real time, identifying the detection data through the display insertion unit, displaying the identified detection data on the corresponding tunnel detection points in the tunnel model, and storing the acquired detection data in a database.
Further, a coordinate system is established in the tunnel model, and the coordinate system used is a coordinate system used for construction measurement.
Furthermore, a plurality of storage nodes are arranged in the database, and the storage nodes are used for storing detection data corresponding to each tunnel detection point; the name of the storage node is the same as the name of the corresponding tunnel detection point displayed in the tunnel model; and establishing a quick connection channel between the display insertion unit and each storage node in the database, and automatically jumping to the corresponding storage node when a tunnel detection point is clicked in the tunnel model.
Further, the method for planning the tunnel detection point comprises the following steps:
identifying change points in the tunnel model, marking the distance between two adjacent change points as Li, and marking the Li in the tunnel model; setting a limiting condition, establishing a point location model, inputting the tunnel model and the limiting condition into the point location model, and obtaining a corresponding tunnel detection point.
Further, the method for correcting the ultrasonic detection data comprises the following steps:
acquiring all tunnel detection points and corresponding design concrete strength, classifying the tunnel detection points according to the design concrete strength, marking the tunnel detection points as strength classification, establishing concrete test blocks with the same strength classification, simulating a tunnel detection environment, performing ultrasonic detection on the concrete test blocks, acquiring simulated detection data, and establishing a primary wave speed and strength simulation curve;
and acquiring the actual detection intensity of the tunnel detection point, correcting the primary wave speed and intensity simulation curve according to the actual detection intensity to obtain an ultrasonic correction curve, and correcting the ultrasonic detection data of the tunnel detection point through the ultrasonic correction curve.
Compared with the prior art, the invention has the beneficial effects that: the ultrasonic detection progress is visually displayed on the basis of the tunnel model, so that management personnel can conveniently control the detection progress; meanwhile, the tunnel model is closely matched with the ultrasonic detection flow, so that detection personnel can conveniently plan the tunnel detection point positions, the reasonable setting of the tunnel detection points is ensured, and the comprehensiveness of ultrasonic detection is increased; and through observing the tunnel model, when needs, the position of understanding measurement personnel that can be timely to in testing process, when finding that preset tunnel check point can not satisfy the ultrasonic detection requirement, can be timely will be updated the tunnel check point position show in the tunnel model, when needs, make things convenient for measurement personnel and managers's communication.
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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.
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, the ultrasonic detection system for the tunnel includes a modeling module, a point location planning module, an ultrasonic correction module, an ultrasonic detection module, and a server;
the modeling module is used for establishing a tunnel model of a tunnel, and the specific method comprises the following steps:
a 3D model of the tunnel is obtained because the tunnel is built up before it is built up, for calculations and construction, for example: the method comprises the steps of directly obtaining the existing established three-dimensional model by using a model established by the Guangda software or a model established by the BIM software, carrying out format conversion on the obtained 3D model, carrying out format conversion by using the existing technology, namely converting the 3D model suitable for the Guangda or BIM format into a tunnel model suitable for the detection system, and marking the converted 3D model as the tunnel model; the tunnel model comprises the structural information of the tunnel, namely the data of what kind of structure is adopted by the tunnel, what components are, how much the concrete strength is, the steel bar spacing, the steel bar model and the like, and the data can be obtained from a 3D model or a drawing;
establishing a display insertion unit for displaying detection data of tunnel detection points, wherein the specifically displayed detection data is set by a technician according to detection content to obtain the tunnel detection points, the tunnel detection points are selected points for tunnel detection, the obtained tunnel detection points are marked at corresponding positions in a tunnel model, a coordinate system is established in the tunnel model, and the coordinate system used is a coordinate system used for construction measurement, because in the construction detection process, measuring tools used are a total station and a theodolite generally, the coordinate system used is established by referring to given coordinate point positions, a uniform coordinate system is used, the marks of the detection points are convenient, the detection data of the corresponding tunnel detection points are obtained in real time, the detection data are identified through the display insertion unit, and the identified detection data are displayed on the corresponding tunnel detection points in the tunnel model, the identified detection data are data contents which are set by technicians and need to be displayed, and the acquired detection data are stored in a database, wherein the database is provided with a plurality of storage nodes, and the storage nodes are used for storing the detection data corresponding to each tunnel detection point; storing the corresponding detection data into the corresponding storage node; the name of the storage node is the same as the name of the corresponding tunnel detection point displayed in the tunnel model;
establishing a quick connection channel between the display insertion unit and each storage node in the database, namely establishing a tunnel detection point displayed in the tunnel model and the quick connection channel between each storage node in the database, and automatically jumping to the corresponding storage node when the tunnel detection point is clicked in the tunnel model; rapidly searching detection data corresponding to tunnel detection points;
by arranging the modeling module, the corresponding tunnel detection points and the corresponding detection data are conveniently and visually displayed, and the detection data are conveniently searched; and the modeling module can also provide data support for tunnel detection, so that the tunnel detection points can be conveniently planned.
The point location planning module is used for planning tunnel detection points for tunnels needing to be detected, because the current tunnel detection has great randomness, namely tunnel detection points are randomly selected in a tunnel detection field according to experience and habit of technicians, and because a total number of detection points can be set according to actual conditions of the tunnels, excessive road section point locations are set, the density is large, too few road section point locations are set, the density is small, great uncertainty is caused, and part of detection data has distortion; the specific method comprises the following steps:
identifying change points in the tunnel model, wherein the change points are joint points of different construction sections in the construction process and joint points of different materials in the design, for example, in the design, the strength of concrete of some tunnel parts needs to be improved by one or more labels to increase the strength because of actual requirements, the joint points of the concrete with different strengths are the change points, and other various change points are also provided, and the specific change points are discussed and set by an expert group; marking the distance between two adjacent change points as Li, and marking the distance in the tunnel model; wherein i =1, 2, … …, n is a positive integer, and a limiting condition is set, and the limiting condition is discussed and set by an expert group and is mainly set according to a relevant detection specification; for example: the distance between adjacent detection points cannot be less than or greater than a certain distance, and how to detect the change points; establishing a point location model, wherein the point location model can be realized based on a DNN network, a CNN network, Fast CNN or Faster CNN, and is obtained by establishing a training set for training, the training set comprises a tunnel model, a limiting condition and corresponding tunnel detection points, and the tunnel model is a model marked with Li; inputting the tunnel model and the limiting conditions into the point location model to obtain corresponding tunnel detection points, and marking the obtained tunnel detection points in the tunnel model.
The ultrasonic correction module is used for correcting ultrasonic detection data, and the specific method comprises the following steps:
acquiring all tunnel detection points and corresponding designed concrete strength, classifying the tunnel detection points according to the designed concrete strength, marking the tunnel detection points as strength classification, establishing concrete test blocks which are the same as the strength classification, simulating a tunnel detection environment, carrying out ultrasonic detection on the concrete test blocks, acquiring simulated detection data, establishing a primary wave velocity and strength simulation curve, and establishing a primary wave velocity and strength simulation curve according to the simulated detection data, wherein the conventional knowledge is how to establish the primary wave velocity and strength simulation curve, so detailed description is not needed;
the actual detection intensity of the tunnel detection point is obtained through historical concrete intensity detection data, and when the detection intensity of the corresponding tunnel detection point is not obtained, the detection can be supplemented through a resiliometer to supplement the lacking data; correcting the primary wave velocity and intensity simulation curve according to the actual detection intensity to obtain an ultrasonic correction curve, wherein the specific adjustment of the primary wave velocity and intensity simulation curve is adjusted manually and can be adjusted by a corresponding expert; correcting the ultrasonic detection data of the tunnel detection point through an ultrasonic correction curve; the CNN model or the DNN model can be established, and a training set information training is formed by using the ultrasonic correction curve, the ultrasonic detection data and the corresponding correction data; and sending the corrected ultrasonic detection data to a modeling module and inputting the data into a tunnel model.
The ultrasonic detection module is used for carrying out ultrasonic detection on the tunnel, and the specific method comprises the following steps:
the method comprises the steps that an ultrasonic detection vehicle is arranged and used for placing an ultrasonic detection device, because tunnels are generally long and cannot be extracted manually, the ultrasonic detection vehicle can use the existing structure and is provided with a positioning unit, a coordinate system which refers to a tunnel model is arranged in the positioning unit and is the same as the coordinate system of the tunnel model, the positioning unit is used for positioning the position coordinates of the ultrasonic detection vehicle in real time and sending the detected coordinates to a modeling module, and the position of the ultrasonic detection vehicle is displayed in the tunnel model in real time; the real-time detection position and progress can be known conveniently, and meanwhile, the specific position of a detection person can be known in time when needed, so that the problem that the person is difficult to find due to a long tunnel is solved;
the method comprises the steps of acquiring coordinates of a tunnel detection point needing to be subjected to ultrasonic detection, controlling an ultrasonic detection vehicle to move forward, and setting the operation radius of the ultrasonic detection vehicle, wherein the operation radius is set according to a detection device on the ultrasonic detection vehicle, positioning the coordinates of the ultrasonic detection vehicle in real time, and when the tunnel detection point needing to be detected is located within the operation radius of the ultrasonic detection vehicle, sending prompt information by a positioning unit, for example: the voice information 'reaches the detection point range', the position of the tunnel detection point is marked in the tunnel through the positioning unit according to a coordinate system built in the positioning unit and the coordinates of the tunnel detection point, and the tunnel detection point is marked by using infrared rays for example; the detection point of the tunnel is automatically marked, so that the ultrasonic detection is more convenient;
the detection personnel process the tunnel detection point, for example: surface treatment, namely cleaning floating ash, when the detection condition of the tunnel detection point does not meet the ultrasonic detection requirement, selecting a tunnel detection point by a detector again at the periphery of the tunnel detection point, sending the coordinate of the newly selected tunnel detection point to a modeling module, and replacing the corresponding tunnel detection point in the tunnel model; and after the tunnel detection point is processed, carrying out ultrasonic detection on the tunnel detection point by using an ultrasonic detection device, and sending detected detection data to an ultrasonic correction module for correction.
The ultrasonic detection progress is visually displayed on the basis of the tunnel model, so that management personnel can conveniently control the detection progress; meanwhile, the tunnel model is closely matched with the ultrasonic detection flow, so that detection personnel can conveniently plan the tunnel detection point positions, the reasonable setting of the tunnel detection points is ensured, and the comprehensiveness of ultrasonic detection is increased; and through observing the tunnel model, when needs, the position of understanding measurement personnel that can be timely to in testing process, when finding that preset tunnel check point can not satisfy the ultrasonic detection requirement, can be timely will be updated the tunnel check point position show in the tunnel model, when needs, make things convenient for measurement personnel and managers's communication.
The working principle of the invention is as follows: establishing a tunnel model, planning tunnel detection points for a tunnel to be detected, and marking the planned tunnel detection points in the tunnel model; correcting the ultrasonic detection data, sending the corrected ultrasonic detection data to a modeling module, and inputting the corrected ultrasonic detection data into a tunnel model; the method comprises the steps that an ultrasonic detection vehicle is arranged, a positioning unit is arranged on the ultrasonic detection vehicle and used for positioning the position coordinates of the ultrasonic detection vehicle in real time, the detected coordinates are sent to a modeling module, and the position of the ultrasonic detection vehicle is displayed in real time in a tunnel model; acquiring coordinates of tunnel detection points needing to be subjected to ultrasonic detection, controlling an ultrasonic detection vehicle to advance, setting the operating radius of the ultrasonic detection vehicle, positioning the coordinates of the ultrasonic detection vehicle in real time, and when the tunnel detection points needing to be subjected to detection are located within the operating radius of the ultrasonic detection vehicle, sending prompt information by a positioning unit and marking the positions of the tunnel detection points in a tunnel; the detection personnel processes the tunnel detection point, when the tunnel detection point is processed, the ultrasonic detection device is used for carrying out ultrasonic detection on the tunnel detection point, and detected detection data are sent to the ultrasonic correction module for correction.
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 (6)
1. The tunnel-oriented ultrasonic detection system is characterized by comprising a modeling module, a point location planning module, an ultrasonic correction module, an ultrasonic detection module and a server; the point location planning module is used for planning tunnel detection points for the tunnel to be detected and marking the planned tunnel detection points in the tunnel model; the ultrasonic correction module is used for correcting ultrasonic detection data, sending the corrected ultrasonic detection data to the modeling module and inputting the corrected ultrasonic detection data into the tunnel model;
the ultrasonic detection module is used for carrying out ultrasonic detection on the tunnel, and the specific method comprises the following steps:
the method comprises the steps that an ultrasonic detection vehicle is arranged, a positioning unit is arranged on the ultrasonic detection vehicle and used for positioning the position coordinates of the ultrasonic detection vehicle in real time, the detected coordinates are sent to a modeling module, and the position of the ultrasonic detection vehicle is displayed in a tunnel model in real time; acquiring coordinates of tunnel detection points needing to be subjected to ultrasonic detection, controlling an ultrasonic detection vehicle to advance, setting the operating radius of the ultrasonic detection vehicle, positioning the coordinates of the ultrasonic detection vehicle in real time, and when the tunnel detection points needing to be subjected to detection are located within the operating radius of the ultrasonic detection vehicle, sending prompt information by a positioning unit and marking the positions of the tunnel detection points in a tunnel;
the detection personnel processes the tunnel detection point, when the tunnel detection point is processed, the ultrasonic detection device is used for carrying out ultrasonic detection on the tunnel detection point, and detected detection data are sent to the ultrasonic correction module for correction;
the method for planning the tunnel detection point comprises the following steps:
identifying a change point in the tunnel model, wherein the change point is a joint point of different construction sections in the construction process or a joint point of different materials in the design;
marking the distance between two adjacent change points as Li, wherein i =1, 2, … …, n is a positive integer, and is marked in the tunnel model;
setting a limiting condition, wherein the limiting condition comprises that the distance between adjacent detection points cannot be lower than a certain distance and cannot be higher than the certain distance; establishing a point location model, wherein the point location model is realized based on a DNN network, a CNN network, Fast CNN or Faster CNN, and is obtained by establishing a training set for training, the training set comprises a tunnel model, a limiting condition and a corresponding tunnel detection point, the tunnel model is a model marked with Li, and the tunnel model and the limiting condition are input into the point location model to obtain the corresponding tunnel detection point;
the method for correcting the ultrasonic detection data comprises the following steps:
acquiring all tunnel detection points and corresponding design concrete strength, classifying the tunnel detection points according to the design concrete strength, marking the tunnel detection points as strength classification, establishing concrete test blocks with the same strength classification, simulating a tunnel detection environment, performing ultrasonic detection on the concrete test blocks, acquiring simulated detection data, and establishing a primary wave speed and strength simulation curve;
and acquiring the actual detection intensity of the tunnel detection point, correcting the primary wave speed and intensity simulation curve according to the actual detection intensity to obtain an ultrasonic correction curve, and correcting the ultrasonic detection data of the tunnel detection point through the ultrasonic correction curve.
2. The tunnel-oriented ultrasonic inspection system of claim 1, wherein a coordinate system referenced to a model of the tunnel is provided within the locating unit.
3. The ultrasonic tunnel-oriented inspection system of claim 1, wherein when the inspection conditions at the tunnel inspection points do not meet the ultrasonic inspection requirements, an inspector selects a tunnel inspection point again around the tunnel inspection point, and sends the coordinates of the newly selected tunnel inspection point to the modeling module to replace the corresponding tunnel inspection point in the tunnel model.
4. The tunnel-oriented ultrasonic inspection system of claim 1, wherein the method of operation of the modeling module comprises:
acquiring a 3D model of the tunnel, performing format conversion on the acquired 3D model, and marking the converted 3D model as a tunnel model; establishing a display insertion unit, acquiring tunnel detection points, marking the acquired tunnel detection points at corresponding positions in a tunnel model, acquiring detection data corresponding to the tunnel detection points in real time, identifying the detection data through the display insertion unit, displaying the identified detection data on the corresponding tunnel detection points in the tunnel model, and storing the acquired detection data in a database.
5. The ultrasonic tunnel-oriented inspection system of claim 1, wherein a coordinate system is established in the tunnel model, and the coordinate system used is a coordinate system used for construction measurement.
6. The tunnel-oriented ultrasonic detection system according to claim 4, wherein a plurality of storage nodes are disposed in the database, and the storage nodes are configured to store detection data corresponding to each tunnel detection point; the name of the storage node is the same as the name of the corresponding tunnel detection point displayed in the tunnel model; and establishing a quick connection channel between the display insertion unit and each storage node in the database, and automatically jumping to the corresponding storage node when a tunnel detection point is clicked in the tunnel model.
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| CN104251882A (en) * | 2014-09-30 | 2014-12-31 | 湖南理工学院 | Establishment method of concrete compression strength curve |
| CN105203551A (en) * | 2015-09-11 | 2015-12-30 | 尹栋 | Car-mounted laser radar tunnel detection system, autonomous positioning method based on tunnel detection system and tunnel hazard detection method |
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