CN109472483B - Building site on-site modeling method and system based on BIM (building information modeling) model and aerial photography technology - Google Patents
Building site on-site modeling method and system based on BIM (building information modeling) model and aerial photography technology Download PDFInfo
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Abstract
The invention provides a building site on-site modeling method and a building site on-site modeling system based on a BIM (building information modeling) model and an aerial photography technology, wherein the building site on-site modeling method comprises the following steps: 1) acquiring geographic information data of a construction site by using aerial equipment; 2) importing the actual topographic map of the construction site into three-dimensional modeling software to manufacture a three-dimensional simulation model of the actual topographic map of the construction site; 3) building a BIM model of a construction site environment by utilizing modeling software; 4) leading the BIM model into the three-dimensional simulation model obtained in the step 2) after analysis, conversion and weight reduction, and combining the BIM model and the three-dimensional simulation model on the construction site to form an open source system; 5) integrating the open source system obtained in the step 4) with the service system, and then uniformly integrating the system and the service system into an engineering construction informatization management platform for a manager to log in for use. The modeling method can solve the technical problems that the traditional modeling method is poor in universality and cannot realize informatization and intellectualization of engineering construction.
Description
Technical Field
The invention relates to the technical field of digital modeling, in particular to a construction site on-site modeling method and system based on a BIM (building information modeling) model and an aerial photography technology.
Background
The Building Information Modeling (BIM) is a complete Information model, can integrate engineering Information, processes and resources of engineering projects at different stages in a whole life cycle into one model, and is conveniently used by all engineering participants. The real information of the building is simulated through the three-dimensional digital technology, and information models which are coordinated with each other and have consistent interior are provided for engineering design and construction, so that the models achieve the integration of design and construction, and all specialties work together, thereby reducing the engineering production cost and ensuring that the engineering is finished on time according to quality. The BIM is not simply to integrate digital information but is an application of digital information and can be used for a digital method of design, construction, management. The method supports the integrated management environment of the construction engineering, can obviously improve the efficiency of the construction engineering in the whole process and greatly reduce the risk.
At present, the application based on the BIM and a Geographic Information System (GIS) almost becomes the conventional application of engineering construction companies, and the BIM and GIS can be used as a primary planning design, scheme selection and publicity of engineering projects. The GIS is geographic information under a large scene, covers a wide range but is rough, and cannot achieve the required fineness degree for the geographic information of a specific construction site. Most of traditional BIM and GIS three-dimensional models are simply combined with the BIM and the GIS, open sourcing of model data is not achieved, and requirements of various systems and secondary development are not combined.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the building site on-site modeling method based on the BIM and the aerial photography technology can solve the technical problems that the traditional modeling method is poor in universality and cannot realize informatization and intellectualization of engineering construction.
The invention solves another technical problem that: a building site on-site modeling system based on a BIM model and an aerial photography technology is provided.
In order to solve the first technical problem, the technical scheme adopted by the invention is as follows: a building site on-site modeling method based on a BIM (building information modeling) model and an aerial photography technology comprises the following steps:
1) acquiring an actual topographic map recorded with geographic information data of a construction site by using aerial equipment;
2) importing an actual topographic map recorded with geographic information data of a construction site into three-dimensional modeling software, performing space-three encryption calculation to generate point cloud data, and making a three-dimensional simulation model of the actual topographic map of the construction site by using the point cloud data;
3) building a BIM model of a construction site environment by utilizing modeling software, wherein the construction site environment comprises buildings, equipment and facilities;
4) the BIM model is analyzed, converted and lightened and then is led into the three-dimensional simulation model in the step 2) to form a three-dimensional model of a project, and the BIM model and the three-dimensional simulation model on the construction site are combined to form an open source system;
5) integrating the open source system obtained in the step 4) with the service system, and then uniformly integrating the system and the service system into an engineering construction informatization management platform for a manager to log in for use.
As a refinement, the three-dimensional modeling software in the step 2) is Smart3D, and the modeling software in the step 3) is Revit.
As an improved way, the open-source system obtained in the step 4) is secondarily developed.
As an improved way, the open source system obtained in the step 4) is combined with a progress monitoring system, and the method comprises the following steps:
s1, building a construction model of the project by using BIM;
s2, accurately dividing the components in the engineering by using BIM;
s3, compiling a progress plan of the component, and importing the divided component information (including manufacturers, transporters, receivers, installers, installation procedures, associated components and the like) into the material management platform in stages according to the progress plan;
s4, the material management platform generates a two-dimensional code of the material, the two-dimensional code comprises all information of the process from production and processing to hoisting completion of the component, and the two-dimensional code always accompanies the component from the production stage to the installation stage and even the operation and maintenance stage;
s5, every time when a program is passed, the relevant responsible person scans the two-dimensional code through the material management APP to confirm whether the two-dimensional code is finished
And S6, synchronizing the data to the BIM three-dimensional model and the component progress system in time, and enabling the client to know the progress of all components in time through the platform.
As an improvement, the open source system obtained in step 4) is combined with a positioning system, and the method comprises the following steps:
s1, setting the position of the positioning base station in the engineering three-dimensional model according to the actual situation;
s2, installing a positioning base station in an actual project according to the position of the positioning base station set in the three-dimensional model of the project, connecting a host computer and an upper computer, debugging personnel on site with a label, and forming a three-dimensional positioning system after debugging is successful;
and S3, the three-dimensional positioning system is combined with the engineering three-dimensional model in a butt joint mode, after the butt joint combination is successful, the real-time positioning condition can be displayed in the engineering three-dimensional model, and the specific three-dimensional position of personnel is displayed in the engineering three-dimensional model so as to arrange the personnel for allocation.
As an improvement, the open-source system obtained in step 5) is combined with a device detection system, and the method comprises the following steps:
s1, recording the use and fault maintenance conditions of all engineering equipment into the engineering construction informatization management platform according to the actual use condition;
s2, the real-time monitoring system of the equipment is incorporated into the engineering construction informatization management platform, and the field condition of the equipment can be known in real time in the platform;
s3 user obtains detailed information of any position equipment and finds out the concrete position of the fault equipment and takes measures in the engineering construction information management platform.
As an improved way, the aerial photographing device is an unmanned aerial vehicle.
To solve the second technical problem: the invention provides a building site on-site modeling system based on a BIM (building information modeling) model and an aerial photography technology, which is formed by the building site on-site modeling method based on the BIM model and the aerial photography technology.
The construction site on-site modeling method has the following technical effects:
1. the construction site three-dimensional model established by acquiring geographic information through aerial photography of the unmanned aerial vehicle is more targeted and finer than that under a GIS large scene, and the arrangement of a construction site and the manufacture of an electronic sand table are facilitated;
2. the BIM model is combined with the construction site model to form a true three-dimensional model of the engineering, so that a manager can know the engineering site condition more intuitively;
3. various BIM model data are subjected to open source processing to form a set of system of construction site field model data based on BIM model data and unmanned aerial vehicle aerial photography technology, and the system is convenient to combine with various systems and carry out secondary development so as to realize informatization and intellectualization of program construction.
The progress monitoring system is combined with the open source model, and the model can display in three dimensions according to the progress filled by field personnel.
The positioning system is combined with the open source model, and the specific three-dimensional position of the personnel can be displayed in the three-dimensional model so as to allocate the personnel in time.
By combining the equipment detection system with the open-source model, detailed information of equipment at any position can be known in the site model of the construction site, and the specific position of the equipment with a fault can be found, so that measures can be taken at the first time.
The field equipment detection system is combined with the open-source model, the area to be checked is selected from the field model of the construction site, and the field monitoring picture of the area can be displayed, so that the construction site management is facilitated.
Drawings
FIG. 1 is a system flow diagram of a building site on-site modeling method based on a BIM model and unmanned aerial vehicle aerial photography;
FIG. 2 is a schematic diagram of a three-dimensional model based component monitoring system;
FIG. 3 is a composition diagram of a real-time employee location system based on three-dimensional visualization;
fig. 4 is a flow chart of the engineering equipment safety monitoring system.
Detailed Description
As shown in fig. 1, a building site on-site modeling method based on a BIM model and an aerial photography technique specifically includes the following steps:
1. utilize unmanned aerial vehicle technique of taking photo by plane to obtain the scene topography picture of building site, the basic technical route is: setting basic parameters (including navigation route, transverse and longitudinal photo overlap rate, flight height, lens inclination and the like) for aerial photography of the unmanned aerial vehicle, and controlling the unmanned aerial vehicle to acquire field topographic data on a construction site.
2. Importing an actual topographic map recorded with geographic information data of a construction site, which is acquired by an unmanned aerial vehicle, into Smart3D three-dimensional modeling software, performing space-three encryption calculation to generate point cloud data, and making a three-dimensional simulation model of the actual topographic map of the construction site by using the point cloud data; importing the topographic picture collected by the unmanned aerial vehicle into Smart3D software, performing air-to-air encryption calculation to generate point cloud data, and making an actual topographic map of an engineering field through the point cloud data.
3. Building BIM models of buildings, equipment, facilities and the like involved in a construction site are established by utilizing modeling software such as Revit and the like.
4. And (4) leading the BIM into the second construction site geographical three-dimensional model after analysis, conversion and weight reduction, and realizing the development of BIM data elements in the process.
5. The BIM model and the three-dimensional model of the construction site are combined to form a set of open source system, so that the integration (the service system comprises a progress monitoring system, an equipment monitoring system, a positioning system, an on-site monitoring system and the like) and the secondary development of the three-dimensional model and the service system are facilitated.
6. And uniformly integrating all the combined systems into an engineering construction informatization platform of an enterprise so as to facilitate login and use of a manager.
As shown in fig. 2, the system formed by the building site on-site modeling method based on the BIM model and the aerial photography technology combines the progress monitoring system with the open source model, and includes the following steps:
s1, building a construction model of the project by using BIM;
s2, accurately dividing the components in the engineering by using BIM;
s3, compiling a progress plan of the component, and importing the divided component information (including manufacturers, transporters, receivers, installers, installation procedures, associated components and the like) into the material management platform in stages according to the progress plan;
s4, the material management platform generates a two-dimensional code of the material, the two-dimensional code comprises all information of the process from production and processing to hoisting completion of the component, and the two-dimensional code always accompanies the component from the production stage to the installation stage and even the operation and maintenance stage;
s5, every time when a program is passed, the relevant responsible person scans the two-dimensional code through the material management APP to confirm whether the two-dimensional code is finished
And S6, synchronizing the data to the BIM three-dimensional model and the component progress system in time, and enabling the client to know the progress of all components in time through the platform. The open-source system model is combined with the field monitoring system, the area to be checked is selected from the field model of the construction site, and the field monitoring picture of the area can be displayed, so that the construction site management is facilitated.
As shown in fig. 3, the open source system model in combination with the positioning system comprises the following steps:
s1, setting the position of the positioning base station in the engineering three-dimensional model according to the actual situation;
s2, installing a positioning base station in an actual project according to the position of the positioning base station set in the three-dimensional model of the project, connecting a host computer and an upper computer, debugging personnel on site with a label, and forming a three-dimensional positioning system after debugging is successful;
and S3, the three-dimensional positioning system is combined with the engineering three-dimensional model in a butt joint mode, after the butt joint combination is successful, the real-time positioning condition can be displayed in the engineering three-dimensional model, and the specific three-dimensional position of personnel is displayed in the engineering three-dimensional model so as to arrange the personnel for allocation.
As shown in fig. 4, the open source system in combination with the device detection system model comprises the following steps:
s1, recording the use and fault maintenance conditions of all engineering equipment into the engineering construction informatization management platform according to the actual use condition;
s2, the real-time monitoring system of the equipment is incorporated into the engineering construction informatization management platform, and the field condition of the equipment can be known in real time in the platform;
s3 user obtains detailed information of any position equipment and finds out the concrete position of the fault equipment and takes measures in the engineering construction information management platform.
The building site on-site modeling method based on the BIM and the aerial photography technology comprises the steps of obtaining geographic data of a building site by the aerial photography technology of an unmanned aerial vehicle, processing the topographic data obtained by the unmanned aerial vehicle by software, establishing a geographic three-dimensional model of the building site, arranging the site of the building site, planning arrangement positions of various buildings, construction facilities and engineering equipment, establishing BIM models of the buildings, the construction facilities and the engineering equipment by the software, importing the BIM models into the geographic three-dimensional model of the building site after analysis, conversion and light weight, achieving import and dynamic updating of three-dimensional scene data elements, combining the BIM models with the terrain model of the building site, enabling data of the models to be open to the outside, and forming a set of model data open source system.
The building site on-site modeling method based on the BIM model and the aerial photography technology has the following characteristics:
1. acquiring very fine geographical information data of a construction site by using unmanned aerial vehicle aerial photography;
2. building BIM models of buildings, engineering equipment, construction facilities and the like in a construction site by utilizing modeling software, building a geographical three-dimensional model of an engineering site by utilizing an unmanned aerial photography technology, and combining the geographical three-dimensional model and the geographical three-dimensional model to form a true three-dimensional model of an engineering;
3. carrying out development on data elements of the BIM and the terrain, and realizing the import and dynamic update of the data elements of the three-dimensional construction site;
4. the BIM and the data model of the construction site reserve ports for the intelligent system, and access of various intelligent systems is facilitated.
It should be apparent that the foregoing description and illustrations are by way of example only and are not intended to limit the present disclosure, application or uses. While the embodiments have been described in the embodiments and illustrated in the drawings, the present invention is not limited by the accompanying drawings and the specific examples described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention is intended to include any embodiments falling within the foregoing description and the appended claims.
Claims (5)
1. A building site on-site modeling method based on a BIM (building information modeling) model and an aerial photography technology is characterized by comprising the following steps:
1) acquiring an actual topographic map recorded with geographic information data of a construction site by using aerial equipment;
2) importing the actual topographic map into three-dimensional modeling software, performing space-three encryption calculation to generate point cloud data, and making a three-dimensional simulation model of the actual topographic map of a construction site by using the point cloud data;
3) building a BIM model of a worksite environment by utilizing modeling software, wherein the worksite environment comprises buildings, equipment and facilities;
4) the BIM model is analyzed, converted and lightened and then is led into the three-dimensional simulation model in the step 2) to form an engineering three-dimensional model, and the BIM model and the three-dimensional simulation model on the construction site are combined to form an open source system;
5) integrating the open source system obtained in the step 4) with a service system, and then uniformly integrating the system and the service system into an engineering construction informatization management platform for a manager to log in for use;
combining the open source system obtained in the step 4) with a progress monitoring system, the method comprises the following steps: s1, building a construction model of the project by using BIM; s2, accurately dividing the components in the engineering by using BIM; s3, compiling a progress plan of the component, and importing the divided component information into the material management platform according to the progress plan and stages; s4, the material management platform generates a two-dimensional code of the material, the two-dimensional code comprises all information of the process from production and processing to hoisting completion of the component, and the two-dimensional code always accompanies the component from the production stage to the installation stage and even the operation and maintenance stage; s5, every time a program is executed, the relevant responsible person scans the two-dimensional code through the material management APP to confirm whether the two-dimensional code is finished or not; s6, synchronizing the data to the BIM three-dimensional model and the component progress system in time, and enabling the client to know the progress conditions of all components in time through the platform;
combining the open source system obtained in step 4) with a positioning system, comprising the steps of: s1, setting the position of the positioning base station in the engineering three-dimensional model according to the actual situation; s2, installing a positioning base station in an actual project according to the position of the positioning base station set in the three-dimensional model of the project, connecting a host computer and an upper computer, carrying a label by personnel to enter a field for debugging, and forming a three-dimensional positioning system after the debugging is successful; s3, the three-dimensional positioning system is butt-jointed and combined with the engineering three-dimensional model, after the butt-joint combination is successful, the real-time positioning condition can be displayed in the engineering three-dimensional model, and the specific three-dimensional position of personnel is displayed in the engineering three-dimensional model to arrange the personnel for allocation
Combining the open source system obtained in step 5) with an equipment detection system, comprising the steps of: s1, recording the use and fault maintenance conditions of all engineering equipment into an engineering construction informatization management platform according to the actual use condition; s2, merging the real-time monitoring system of the equipment into the engineering construction informatization management platform, and knowing the field condition of the equipment in real time in the platform; and S3, the user obtains the detailed information of the equipment at any position on the engineering construction information management platform, finds the specific position of the equipment with the fault and takes measures.
2. The BIM and aerial photography technique-based worksite modeling method of claim 1, wherein the three-dimensional modeling software in step 2) is Smart3D, and the modeling software in step 3) is Revit.
3. The BIM and aerial photography technology-based worksite modeling method of claim 1, wherein the open-source system obtained in step 4) is secondarily developed.
4. The BIM and aerial photography technology-based site modeling method of claim 1, wherein the aerial photography device is an unmanned aerial vehicle.
5. A building site on-site modeling system based on a BIM model and aerial photography techniques, formed by the method of claim 1.
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