CN114359479A - Building information input modeling method based on BIM modular modeling - Google Patents
Building information input modeling method based on BIM modular modeling Download PDFInfo
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- CN114359479A CN114359479A CN202111565706.9A CN202111565706A CN114359479A CN 114359479 A CN114359479 A CN 114359479A CN 202111565706 A CN202111565706 A CN 202111565706A CN 114359479 A CN114359479 A CN 114359479A
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Abstract
The invention discloses a building information input modeling method based on BIM modular modeling, which can help a building model to collect actual building information influenced by foundation settlement and manual modification after being put into use by utilizing laser scanning and image recognition technology compared with the traditional building model establishment, and can match the result obtained based on the correlation operation of the established building information model with the actual activities occurring in a building by recognizing the actual facility object in the building, so that the obtained building information model is more reliable and can be practically applied to building management.
Description
Technical Field
The invention relates to the field of building information model modeling and repairing, in particular to a building information input modeling method based on BIM modular modeling.
Background
The BIM technology is also called a building information model, is a new tool for architecture, engineering and civil engineering, can help to realize the integration of building information, and integrates various information into a three-dimensional model information database all the time from the design, construction and operation of a building to the end of the whole life cycle of the building, so that personnel of design teams, construction units, facility operation departments, owners and the like can perform cooperative work based on the BIM, thereby effectively improving the working efficiency, saving resources, reducing the cost and realizing sustainable development.
The core of BIM is that a virtual three-dimensional model of the building engineering is established, a digital technology is utilized to provide a complete building engineering information base consistent with the actual situation for the model, the information base not only contains geometric information, professional attributes and state information for describing building components, but also contains state information of non-component objects (such as space and motion behaviors), and by means of the three-dimensional model containing the building engineering information, the information integration degree of the building engineering is greatly improved, so that a platform for exchanging and sharing the engineering information is provided for related stakeholders of the building engineering project.
In the prior art, in a delivered building, the building information model is established more complexly, and the constructed building information model and the internal environment of the actually used building are influenced by artificial activities to have deviation, so that the correlation operation based on the building information model is difficult to match with the actual activities occurring in the building.
Disclosure of Invention
The invention aims to provide a building information input modeling method based on BIM modular modeling, which aims to solve the problem that correlation operation based on a building information model is difficult to be matched with actual activities occurring in a building due to the fact that a constructed building information model and the internal environment of the building actually used are influenced by artificial activities in the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a building information input modeling method based on BIM modular modeling, which comprises the following steps;
step S1: loading a building information scanning device by using a mobile equipment installation platform, and carrying out all-dimensional identification on the internal and external structures of the building;
step S2: analyzing and identifying the data obtained by the identification in the step S1, drawing the corner lines of the indoor wall surface, specially marking the internal facilities and objects such as internal pipelines, doors, windows, bed cabinets and the like, and recording external influence factors which are different from standard components in each layer of the building;
step S3: arranging and compiling the data obtained in the step S2 to generate a building single model, inspecting the obtained building model by combining a building drawing, and repairing and identifying the defect and omission part in the scanning process;
step S4: recording the specially marked internal objects of the building in the step S2 into the building model obtained in the step S3, and performing inspection and correction again to obtain a complete building information model;
step S5: marking easily and a large number of error positions in the building information model building process in a manual mode, analyzing error reasons for correction, and not marking if no error exists.
Preferably: in the step S1, the mobile device installation platform includes a ground mobile device such as a device installation platform with a mobile base and an aerial mobile device such as an unmanned aerial vehicle.
Preferably: in step S1, the building information scanning device scans the external information of the building based on laser scanning and image recognition technology, and has at least two scanning points.
Preferably: in step S2, the identification data is networked when being analyzed and identified, and deep neural network learning is used to perform comprehensive analysis on the combined components in the indoor facility object.
Preferably: in step S2, the external influence factor existing in the building may be a crack in the wall, which is reflected in the pipe and may be a corrosion mark or a factor affecting the stability of the pipe.
Preferably: the building information scanning device in the step S1 further includes a detector, the detector is installed on the outer wall of the mobile equipment installation platform, and the detector acquires information of the bearing part of the building, such as thickness and integrity.
Preferably: the image recognition technology may be based on any of Reality Capture, Agisoft Photoscan, Autodesk ReCap, visual sfm, and the like.
Preferably: the image source of the image recognition can also be horizontal pixels x vertical pixels not lower than 1440 x 960, and a clear image file is shot.
Preferably: before generating the building unit model in the step S3, the method further includes classifying the partitions of the same arrangement level in each level of the building.
Preferably: in the step S1, when there is a single-layer complete information in the same arrangement layer during the identification information inside the building, the image where the building wall is located and has no difference information in the subsequent information can be deleted after comparison.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional building model establishment, the building information model based on the laser scanning and image recognition technology can help the building model to collect the actual building information which is influenced by foundation settlement and manual modification after being put into use, and the result obtained by the correlation operation based on the established building information model can be matched with the actual activity occurring in the building by recognizing the actual facility object in the building, so that the obtained building information model is more reliable and can be actually applied to building management.
Drawings
FIG. 1 is a schematic diagram of a building information input modeling method based on BIM modular modeling.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Referring to fig. 1, the building information input modeling method based on the BIM modular modeling of the present invention includes the following steps;
step S1: loading a building information scanning device by using a mobile equipment installation platform, and carrying out all-dimensional identification on the internal and external structures of the building;
step S2: analyzing and identifying the data obtained by the identification in the step S1, drawing the corner lines of the indoor wall surface, specially marking the internal facilities and objects such as internal pipelines, doors, windows, bed cabinets and the like, and recording external influence factors which are different from standard components in each layer of the building;
step S3: arranging and compiling the data obtained in the step S2 to generate a building single model, inspecting the obtained building model by combining a building drawing, and repairing and identifying the defect and omission part in the scanning process;
step S4: recording the specially marked internal objects of the building in the step S2 into the building model obtained in the step S3, and performing inspection and correction again to obtain a complete building information model;
step S5: marking easily and a large number of error positions in the building information model building process in a manual mode, analyzing error reasons for correction, and not marking if no error exists.
In step S1, the mobile equipment mounting platform includes ground mobile equipment such as an equipment mounting platform with a mobile base and aerial mobile equipment such as an unmanned aerial vehicle; the ground mobile equipment can be used for recording information that each layer inside the building is biased to be close to the bottom plate, the related sizes and article facility information of the outer surface of the building and the top plate can be biased to be close to through the aerial mobile equipment, the ground mobile equipment and the aerial mobile equipment are combined in the building to collect images, so that the identification of the internal facilities is more accurate, and the control of the size inside the building is more convenient.
In step S1, the building information scanning device is based on laser scanning and image recognition technology, and the building external information scanning device has at least two scanning points; the data required by the model member of the building can be completely acquired through laser scanning and image recognition technologies, and more than two scanning points outside the building can enable the data collection outside the building to be more complete.
In step S2, networking when analyzing and identifying the identification data, and performing comprehensive analysis on the combined parts in the indoor facility object by using deep neural network learning; the method helps to help the model to quickly master the actual arrangement information in the building during construction, and the bearing capacity of the floor slab at the position of bearing the facility object in the building can be calculated by mastering the position of the facility object in the building.
In step S2, the external influence factor body may be a wall crack in the building, and may be a corrosion mark or a factor affecting the stability of the pipeline; collect and save the factor that influences building main part and interior facility life in the building, help the later stage to the maintenance of building and accurate judgement actual life.
The building information scanning device in the step S1 further comprises a detector, the detector is installed on the outer wall of the mobile equipment installation platform, and the detector collects information of the bearing part of the building, such as thickness and integrity; the detector combines the service life of the building, can make an inference to the strength and the damage condition of the building, can provide relevant data so as to be convenient for the accurate setting of the reinforced structure when the later building is reinforced, and also facilitates the safe use of the modified building to the end of the whole life cycle of the building.
The image recognition technology may be based on any of Reality Capture, Agisoft Photoscan, Autodesk ReCap, visual sfm, and the like.
The image source of the image recognition can also be that the horizontal pixel is multiplied by the vertical pixel and is not lower than 1440 multiplied by 960, and a clear image file is shot; the time for collecting the internal information of the building can be saved by collecting the image files which are shot clearly, so that the time for constructing the model is greatly shortened, wherein the source of the image can be shot by a mobile terminal or the collection of a monitoring picture.
Before generating the building single model in the step S3, classifying the same arrangement layers in each layer of the building; when the building model is generated, the building model is independently generated according to different layers arranged and is spliced according to the floor information, so that the generation time of the whole building model is accelerated, the generation of a large amount of repeated data in a short time is avoided, the running efficiency of equipment is accelerated, and the stability is improved
In the step S1, when there is a single-layer complete information in the same arrangement layer in the building internal identification information, the image where the building wall is located and has no difference information in the subsequent information can be deleted after comparison; the building information scanning device can save a large amount of space containing repetitive files, the further expansion of the number of the single collection floors of the building information scanning device is facilitated, and the utilization rate of a data storage space is improved.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (10)
1. A building information input modeling method based on BIM modular modeling is characterized by comprising the following steps;
step S1: loading a building information scanning device by using a mobile equipment installation platform, and carrying out all-dimensional identification on the internal and external structures of the building;
step S2: analyzing and identifying the data obtained by the identification in the step S1, drawing the corner lines of the indoor wall surface, specially marking the internal facilities and objects such as internal pipelines, doors, windows, bed cabinets and the like, and recording external influence factors which are different from standard components in each layer of the building;
step S3: arranging and compiling the data obtained in the step S2 to generate a building single model, inspecting the obtained building model by combining a building drawing, and repairing and identifying the defect and omission part in the scanning process;
step S4: recording the specially marked internal objects of the building in the step S2 into the building model obtained in the step S3, and performing inspection and correction again to obtain a complete building information model;
step S5: marking easily and a large number of error positions in the building information model building process in a manual mode, analyzing error reasons for correction, and not marking if no error exists.
2. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: in the step S1, the mobile device installation platform includes a ground mobile device such as a device installation platform with a mobile base and an aerial mobile device such as an unmanned aerial vehicle.
3. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: in step S1, the building information scanning device scans the external information of the building based on laser scanning and image recognition technology, and has at least two scanning points.
4. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: in step S2, the identification data is networked when being analyzed and identified, and deep neural network learning is used to perform comprehensive analysis on the combined components in the indoor facility object.
5. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: in step S2, the external influence factor existing in the building may be a crack in the wall, which is reflected in the pipe and may be a corrosion mark or a factor affecting the stability of the pipe.
6. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: the building information scanning device in the step S1 further includes a detector, the detector is installed on the outer wall of the mobile equipment installation platform, and the detector acquires information of the bearing part of the building, such as thickness and integrity.
7. The building information entry modeling method based on BIM modular modeling according to claim 3, characterized in that: the image recognition technology may be based on any of Reality Capture, Agisoft Photoscan, Autodesk ReCap, visual sfm, and the like.
8. The building information entry modeling method based on BIM modular modeling according to claim 3, characterized in that: the image source of the image recognition can also be horizontal pixels x vertical pixels not lower than 1440 x 960, and a clear image file is shot.
9. The building information entry modeling method based on BIM modular modeling according to claim 1, characterized in that: before generating the building unit model in the step S3, the method further includes classifying the partitions of the same arrangement level in each level of the building.
10. The building information entry modeling method based on BIM modular modeling according to claim 9, characterized in that: in the step S1, when there is a single-layer complete information in the same arrangement layer during the identification information inside the building, the image where the building wall is located and has no difference information in the subsequent information can be deleted after comparison.
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| CN117744926A (en) * | 2023-12-20 | 2024-03-22 | 广东腾安机电安装工程有限公司 | Construction management method and system for assembled pipeline of refrigeration machine room |
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