CN116934266B - Bim technology-based asphalt pavement construction engineering quantity dynamic tracking management system - Google Patents
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Abstract
The invention relates to the field of building information management, and particularly discloses a BIM technology-based dynamic tracking management system for the construction engineering quantity of an asphalt pavement, which comprises an unmanned aerial vehicle acquisition terminal, an asphalt mixing evaluation module, a construction site management terminal, a cloud server and a BIM model management module; the asphalt mixing evaluation module is used for collecting and analyzing video images of the flowing asphalt mixture in the unloading process to obtain mixing disqualification evaluation information or mixing qualification evaluation information, and sending the mixing disqualification evaluation information or the mixing qualification evaluation information to the cloud server; the unmanned aerial vehicle acquisition terminal comprises a field image acquisition module, an infrared temperature acquisition module and an information processing module; the on-site image acquisition module is used for acquiring image information of a real-time construction site; the infrared temperature acquisition module is used for acquiring pavement temperature information in real time during asphalt pavement construction. The intelligent updating device can realize intelligent updating of the construction engineering quantity of the asphalt pavement, and can detect the temperature and the uniformity of the mixture in the construction process.
Description
Technical Field
The invention relates to the field of building information management, in particular to a BIM technology-based dynamic tracking management system for the construction engineering quantity of an asphalt pavement.
Background
At present, the management method for the highway construction quality is still mainly based on the traditional quality management method. The construction quality is evaluated mainly through experimental data and site observation after the construction link is completed. However, the traditional mode cannot control the construction quality of the asphalt pavement at the construction site, and is low in efficiency. In order to solve the problem, some students introduce BIM technology into the management of asphalt pavement construction engineering (BIM, namely a building information model, which can simulate real information of a building through digital information simulation), and plays an important role in improving production efficiency, saving cost and shortening construction period.
In order to overcome the defects of the traditional asphalt pavement construction, the document of Chinese patent publication No. CN 111563651A discloses an asphalt pavement construction amount dynamic tracking management system based on BIM technology, which comprises the steps of collecting road design information, planning scene layout and finishing the layout along the line; establishing a three-dimensional road model comprising a route, a roadbed and a pavement, and establishing a whole-process construction animation simulation according to a formulated construction crossroad map; setting an engineering quantity budget statistical table in the BIM platform by taking a three-dimensional road information model as a reference object; the engineering quantity statistical table and the construction cross road map are in one-to-one correspondence and are simultaneously integrated into a three-dimensional BIM model containing road design information, and four-dimensional construction process dynamic simulation based on construction time, construction engineering quantity and construction information is established; checking and checking the model based on the related opinion and the requirements of each participant, and timely correcting unreasonable information; the method is put into production, the engineering quantity of each stage of construction is definitely constructed in the construction process, the engineering quantity is checked with the actual engineering progress, meanwhile, the engineering quantity to be generated in the next stage is predicted, and corresponding preparation and coping are made in advance.
In the actual use process, the project quantity budget statistical table and the construction cross-road map time which are formulated are in one-to-one correspondence, so that the actual construction time, the construction project quantity and the construction information are essentially updated into the model of the BIM system, the updating mode is original, and intelligent updating cannot be realized. In addition, in asphalt pavement construction, the requirements on the process are high, because asphalt concrete is a typical temperature sensitive material, and compaction operation performed on the asphalt concrete at different temperatures can lead to different structural characteristics, and different strength and fatigue performance are formed. In addition, the mechanical property and the service life of the asphalt pavement are also influenced by the uniformity of the asphalt mixture, when the asphalt mixture is uneven and segregation problems occur, the asphalt pavement can have weak points of local performance, so that early diseases are caused, and the service life of the asphalt pavement is shortened.
Therefore, an intelligent updating of the construction work amount of the asphalt pavement can be realized, and the temperature in the construction process and the uniformity of the mixture can be detected.
Disclosure of Invention
The invention provides a BIM technology-based dynamic tracking management system for the construction engineering quantity of an asphalt pavement, which can realize intelligent updating of the construction engineering quantity of the asphalt pavement and can detect the temperature and the uniformity of a mixture in the construction process.
In order to solve the technical problems, the application provides the following technical scheme: the system comprises an unmanned aerial vehicle acquisition terminal, an asphalt mixing evaluation module, a construction site management terminal, a cloud server and a BIM model management module;
the asphalt mixing evaluation module is used for collecting and analyzing video images of the flowing asphalt mixture in the unloading process to obtain mixing disqualification evaluation information or mixing qualification evaluation information, and sending the mixing disqualification evaluation information or the mixing qualification evaluation information to the cloud server;
the unmanned aerial vehicle acquisition terminal comprises a field image acquisition module, an infrared temperature acquisition module and an information processing module;
the on-site image acquisition module is used for acquiring image information of a real-time construction site;
the infrared temperature acquisition module is used for acquiring pavement temperature information in real time when the asphalt pavement is constructed;
the information processing module is used for receiving the image information and the road surface temperature information, identifying the content in the image information to obtain road surface image information and compaction equipment image information, and then acquiring relative position change data of the compaction equipment image information and the road surface image information at adjacent moments to obtain track information of movement of the compaction equipment; then generating actual compaction information according to the compaction track information and the pavement temperature information, and comparing the actual compaction information with preset standard compaction information to generate a compaction process evaluation result; the information processing module is also used for generating construction progress update information according to the road surface change condition in the image information and the condition of a preset mark point and sending the construction progress update information to the cloud server;
the cloud server is used for generating emergency treatment information after receiving the unqualified evaluation information of the mixed materials and sending the emergency treatment information to the construction site management terminal; the cloud server is also used for generating BIM model updating information after receiving the construction progress updating information and sending the BIM model updating information to the BIM module management module;
the BIM model management module is used for updating the stored BIM data after receiving the BIM model updating information; the BIM module management module is also used for sending updated BIM data after receiving an access request of the construction site management terminal;
the construction site management terminal is used for generating site warning information after receiving the emergency treatment information; the construction site management terminal is also used for accessing the cloud server to obtain the compaction process evaluation result.
The basic scheme principle and the beneficial effects are as follows:
in actual construction, the material is usually discharged on site after the material mixing is completed. The method comprises the steps of collecting video image information in the unloading process through an asphalt mixing evaluation module, and intelligently analyzing and evaluating the quality of asphalt mixing. The theoretical basis is that the performance in the unloading process can be different according to different consistencies. And feeding back the evaluation result to the site construction management terminal through the cloud server, and determining a subsequent processing scheme by site construction personnel.
After unloading is completed, asphalt is paved on the pavement, and meanwhile, compacting equipment is utilized to further compact the freshly paved asphalt pavement. In this scheme, through unmanned aerial vehicle acquisition terminal, gather the image information of job site and the temperature information on road surface. And the number of times of pavement compaction can be obtained through analysis of the image information, and whether the temperature in the compaction process meets the construction standard or not can be obtained. The construction process can be evaluated, and site construction can be guided, so that the site construction is more standard.
After the construction is completed, the construction engineering quantity can be accurately obtained through the road surface change condition in the image information and the condition of the preset mark points, and the construction engineering quantity can be accurately updated to the BIM model management module through the cloud server, so that the information can be conveniently inquired by the relevant cooperative units.
In sum, this scheme has realized realizing intelligent renewal to bituminous paving construction engineering volume through unmanned aerial vehicle acquisition terminal, pitch compounding evaluation module to can detect the purpose of temperature and the homogeneity of mixture in the work progress.
Further, the judging logic of the asphalt mixture evaluating module is as follows: marking any solid particle in the asphalt mixture as a first reference particle in a stable discharging stage, marking the moment when the first reference particle leaves a discharging opening as T1, and marking the moment when the first reference particle finishes discharging as T2; marking another solid particle in the asphalt mixture as a second reference particle at the end of the discharging stage, marking the moment when the second reference particle leaves the discharging opening as T3, and marking the moment when the second reference particle finishes discharging as T4; then, a difference value T1 between the T2 and the T1 moment and a difference value T2 between the T4 and the T3 moment are obtained, whether the deviation value of the T1 and the T2 exceeds a preset value or not is calculated, if yes, mixing failure evaluation information is generated, and the mixing failure evaluation information is sent to a cloud server; and if the evaluation information is not exceeded, generating qualified evaluation information of the mixed materials, and sending the qualified evaluation information to a cloud server.
The mixing degree can be evaluated rapidly and accurately by the mode. The essential principle is that if the mix is not uniform, the time at which the first and last solid particles fall must be different. The time that solid particles dropped can embody the viscous force change of pitch (the degree of combining between solid particles and pitch), the homogeneity degree of characterization compounding that can be comparatively accurate.
Further, the preset mark points are identifiable patterns on the ground near the construction site.
Such an approach can facilitate analysis and identification of image information by the information processing module.
Further, the asphalt mixing evaluation module is further used for collecting temperature in the unloading process, carrying out temperature correction on deviation values of t1 and t2 according to the temperature to obtain a first correction value, and comparing the first correction value with a preset value.
The accuracy of evaluating the mixing degree can be improved through the mode.
Further, the asphalt mixing evaluation module is further used for collecting the radius of the solid particles in the unloading process, carrying out temperature correction on the deviation value of t1 and t2 according to the radius of the solid particles to obtain a second correction value, and comparing the second correction value with a preset value.
The accuracy of evaluating the mixing degree can be improved through the mode.
Further, the discharge opening is a discharge opening with a fixed height and a fixed shape; the stable discharging stage is that the flow of the discharging opening is stable for a first preset time period; and the discharge end stage is that the duration of continuous reduction of the discharge opening flow exceeds a second preset duration.
The accuracy of evaluating the mixing degree can be improved through the mode.
Further, the information processing module is further used for determining a scale according to the size and the shape of the preset marking points in the image information, so that construction progress updating information is obtained.
The accuracy of the construction progress update information processed by the information processing module can be improved through the mode.
Drawings
FIG. 1 is a logic block diagram of an embodiment 1 of a system for dynamically tracking and managing the amount of work on asphalt pavement based on BIM technology.
Detailed Description
The following is a further detailed description of the embodiments:
example 1
The system comprises an unmanned aerial vehicle acquisition terminal, an asphalt mixing evaluation module, a construction site management terminal, a cloud server and a BIM model management module;
the asphalt mixing evaluation module (an intelligent terminal with a video image acquisition function is adopted in the embodiment, and a smart phone is specifically adopted) is used for acquiring and analyzing video images (specifically, the discharge port is a discharge port with a fixed height and a fixed shape) of the flowing asphalt mixture in the discharge process, the stable discharge stage is a discharge port flow stable reaching a first preset duration, the discharge ending stage is a discharge port flow continuously decreasing time exceeding a second preset duration), so as to obtain mixing disqualification evaluation information or mixing qualification evaluation information, and the mixing disqualification evaluation information is sent to a cloud server;
the unmanned aerial vehicle acquisition terminal (in the embodiment, an unmanned aerial vehicle with an image acquisition function and an infrared imaging function is adopted, and of course, the unmanned aerial vehicle also has an image information processing and basic communication function) comprises a field image acquisition module, an infrared temperature acquisition module and an information processing module;
the on-site image acquisition module is used for acquiring image information of a real-time construction site;
the infrared temperature acquisition module is used for acquiring pavement temperature information in real time when the asphalt pavement is constructed;
the information processing module is used for receiving the image information and the road surface temperature information, identifying the content in the image information to obtain road surface image information and compaction equipment image information, and then acquiring relative position change data of the compaction equipment image information and the road surface image information at adjacent moments to obtain track information of movement of the compaction equipment; then generating actual compaction information according to the compaction track information and the pavement temperature information, and comparing the actual compaction information with preset standard compaction information to generate a compaction process evaluation result; the information processing module is further configured to generate construction progress update information according to the road surface change condition in the image information and a preset mark point (the preset mark point is an identifiable pattern on the ground near the construction site, in this embodiment, an arrow pattern drawn on the ground by lime) and send the construction progress update information to the cloud server (of course, the information processing module is further configured to determine a scale according to the size and shape of the preset mark point in the image information, so as to obtain more accurate construction progress update information);
the cloud server is used for generating emergency treatment information after receiving the unqualified evaluation information of the mixed materials and sending the emergency treatment information to the construction site management terminal; the cloud server is also used for generating BIM model updating information after receiving the construction progress updating information and sending the BIM model updating information to the BIM module management module;
the BIM model management module (cloud database adopted in the embodiment) is used for updating the stored BIM data after receiving the BIM model updating information; the BIM module management module is also used for sending updated BIM data after receiving an access request of the construction site management terminal;
the construction site management terminal (a smart phone is adopted in the embodiment) is used for generating site warning information after receiving the emergency treatment information; the construction site management terminal is also used for accessing the cloud server to obtain the compaction process evaluation result.
Specifically, the judging logic of the asphalt mixture evaluating module is as follows: marking any solid particles in the asphalt mixture as first reference particles in a stable discharging stage, marking the moment when the first reference particles leave a discharging opening as T1, and marking the moment when the first reference particles finish discharging as T2 (for example, after 2.3 s); marking another solid particle in the asphalt mixture as a second reference particle at the end of the discharging stage, marking the moment when the second reference particle leaves the discharging opening as T3 (for example, after 2.5 s), and marking the moment when the second reference particle finishes discharging as T4; then, a difference value T1 between the T2 and the T1 moment and a difference value T2 between the T4 and the T3 moment are obtained, whether the deviation value of the T1 and the T2 exceeds a preset value or not is calculated, if yes, mixing failure evaluation information is generated, and the mixing failure evaluation information is sent to a cloud server; and if the evaluation information is not exceeded, generating qualified evaluation information of the mixed materials, and sending the qualified evaluation information to a cloud server.
The specific use is as follows: the mixing of asphalt is mostly site mixing, and after the mixing is finished, unloading can be carried out on site. The method comprises the steps of collecting video image information in the unloading process through an asphalt mixing evaluation module, and intelligently analyzing and evaluating the quality of asphalt mixing. The theoretical basis is that the performance in the unloading process can be different according to different consistencies. And feeding back the evaluation result to the site construction management terminal through the cloud server, and determining a subsequent processing scheme by site construction personnel.
After unloading is completed, asphalt is paved on the pavement, and meanwhile, compacting equipment is utilized to further compact the freshly paved asphalt pavement. In this scheme, through unmanned aerial vehicle acquisition terminal, gather the image information of job site and the temperature information on road surface. And the number of times of pavement compaction can be obtained through analysis of the image information, and whether the temperature in the compaction process meets the construction standard or not can be obtained. The construction process can be evaluated, and site construction can be guided, so that the site construction is more standard.
After the construction is completed, the construction engineering quantity can be accurately obtained through the road surface change condition in the image information and the condition of the preset mark points, and the construction engineering quantity can be accurately updated to the BIM model management module through the cloud server, so that the information can be conveniently inquired by the relevant cooperative units.
The flight control of the unmanned aerial vehicle can be realized by hovering through a preset height. Or by manual control by a person.
Example 2
Compared with the embodiment 1, the difference is that the asphalt mixture evaluation module is also used for collecting the temperature in the unloading process, carrying out temperature correction on the deviation value of t1 and t2 according to the temperature to obtain a first correction value, and comparing the first correction value with a preset value.
The influence of the specific temperature difference value and the standard temperature on the evaluation result can be adjusted through limited experiments. In this embodiment, if the difference between the actual temperature and the standard temperature is within 5 ℃, the deviation between t1 and t2 is 100% (1+the difference between the actual temperature and the standard temperature). If the difference between the actual temperature and the standard temperature is above 5 ℃, prompt information is directly generated and sent to the site construction management terminal through the cloud server.
Example 3
Compared with the embodiment 1, the difference is that the asphalt mixture evaluation module is further used for collecting the radius of the solid particles in the unloading process, and carrying out temperature correction on the deviation value of t1 and t2 according to the radius of the solid particles to obtain a second correction value, and comparing the second correction value with a preset value.
The influence of the difference between the specific radius of the solid particles and the standard radius on the evaluation result can also be adjusted through limited experiments. In this embodiment, it is performed that if the difference between the radius (R1) of the actual solid particles and the standard radius (R0) is within 20% (P) ((R1-R0)/R0 < = 20%), the deviation between t1 and t2 is (1+P/4.5) ×100%. If the difference between the radius (R1) of the actual solid particles and the standard radius (R0) is more than 20%, prompt information is directly generated and sent to the site construction management terminal through the cloud server.
The foregoing is merely an embodiment of the present invention, the present invention is not limited to the field of this embodiment, and the specific structures and features well known in the schemes are not described in any way herein, so that those skilled in the art will know all the prior art in the field before the application date or priority date, and will have the capability of applying the conventional experimental means before the date, and those skilled in the art may, in light of the teaching of this application, complete and implement this scheme in combination with their own capabilities, and some typical known structures or known methods should not be an obstacle for those skilled in the art to practice this application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. Bim technology-based asphalt pavement construction engineering quantity dynamic tracking management system is characterized in that: the system comprises an unmanned aerial vehicle acquisition terminal, an asphalt mixing evaluation module, a construction site management terminal, a cloud server and a BIM model management module;
the asphalt mixing evaluation module is used for collecting and analyzing video images of the flowing asphalt mixture in the unloading process to obtain mixing disqualification evaluation information or mixing qualification evaluation information, and sending the mixing disqualification evaluation information or the mixing qualification evaluation information to the cloud server;
the unmanned aerial vehicle acquisition terminal comprises a field image acquisition module, an infrared temperature acquisition module and an information processing module;
the on-site image acquisition module is used for acquiring image information of a real-time construction site;
the infrared temperature acquisition module is used for acquiring pavement temperature information in real time when the asphalt pavement is constructed;
the information processing module is used for receiving the image information and the road surface temperature information, identifying the content in the image information to obtain road surface image information and compaction equipment image information, and then acquiring relative position change data of the compaction equipment image information and the road surface image information at adjacent moments to obtain track information of movement of the compaction equipment; then generating actual compaction information according to the compaction track information and the pavement temperature information, and comparing the actual compaction information with preset standard compaction information to generate a compaction process evaluation result; the information processing module is also used for generating construction progress update information according to the road surface change condition in the image information and the condition of a preset mark point and sending the construction progress update information to the cloud server;
the cloud server is used for generating emergency treatment information after receiving the unqualified evaluation information of the mixed materials and sending the emergency treatment information to the construction site management terminal; the cloud server is also used for generating BIM model updating information after receiving the construction progress updating information and sending the BIM model updating information to the BIM module management module;
the BIM model management module is used for updating the stored BIM data after receiving the BIM model updating information; the BIM module management module is also used for sending updated BIM data after receiving an access request of the construction site management terminal;
the construction site management terminal is used for generating site warning information after receiving the emergency treatment information; the construction site management terminal is also used for accessing the cloud server to obtain the compaction process evaluation result.
2. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 1, wherein the system comprises the following components: the judging logic of the asphalt mixing evaluation module is as follows: marking any solid particle in the asphalt mixture as a first reference particle in a stable discharging stage, marking the moment when the first reference particle leaves a discharging opening as T1, and marking the moment when the first reference particle finishes discharging as T2; marking another solid particle in the asphalt mixture as a second reference particle at the end of the discharging stage, marking the moment when the second reference particle leaves the discharging opening as T3, and marking the moment when the second reference particle finishes discharging as T4; then, a difference value T1 between the T2 and the T1 moment and a difference value T2 between the T4 and the T3 moment are obtained, whether the deviation value of the T1 and the T2 exceeds a preset value or not is calculated, if yes, mixing failure evaluation information is generated, and the mixing failure evaluation information is sent to a cloud server; and if the evaluation information is not exceeded, generating qualified evaluation information of the mixed materials, and sending the qualified evaluation information to a cloud server.
3. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 1, wherein the system comprises the following components: the preset mark points are identifiable patterns on the ground near the construction site.
4. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 2, wherein the system is characterized in that: the asphalt mixing evaluation module is also used for collecting the temperature in the unloading process, carrying out temperature correction on the deviation value of t1 and t2 according to the temperature to obtain a first correction value, and comparing the first correction value with a preset value.
5. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 2, wherein the system is characterized in that: the asphalt mixing evaluation module is also used for collecting the radius of the solid particles in the unloading process, carrying out temperature correction on the deviation value of t1 and t2 according to the radius of the solid particles to obtain a second correction value, and comparing the second correction value with a preset value.
6. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 4 or 5, wherein the system comprises the following components: the discharge opening is fixed in height and shape; the stable discharging stage is that the flow of the discharging opening is stable for a first preset time period; and the discharge end stage is that the duration of continuous reduction of the discharge opening flow exceeds a second preset duration.
7. The BIM technology-based asphalt pavement construction work amount dynamic tracking management system according to claim 6, wherein the information processing module is further used for determining a scale according to the size and the shape of a preset marking point in the image information, so as to obtain construction progress update information.
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