CN111950052A - BIM technology-based exterior cladding construction method for integrally-assembled building - Google Patents
BIM technology-based exterior cladding construction method for integrally-assembled building Download PDFInfo
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Abstract
The invention belongs to the technical field of buildings and discloses a method for constructing an integrally assembled type building cladding based on a BIM technology, which comprises the steps of collecting video data of the construction of the building cladding, weather data of the construction of the building cladding and construction material data of the building cladding; building a building model; rendering the building model cladding panel; selecting the optimal appearance of the cladding panel according to the rendering effect; positioning the position of the building assembly external hanging plate by using a positioning mechanism; assembling the exterior cladding panels of the building by using an assembling mechanism; and calculating the construction engineering quantity of the external hanging plate of the building by using the calculation program. According to the invention, the building model building module has higher data making efficiency and less model data volume, and the generated three-dimensional model has higher accuracy; meanwhile, various complex special-shaped component parameters can be calculated through the engineering quantity calculation module, and the engineering quantity precision is enough to meet the actual working requirement.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a construction method of an integrally-assembled building cladding based on a BIM technology.
Background
The exterior wall cladding is a construction method, which is to hang plates outside a wall body by a construction method such as dry hanging and the like so as to achieve the effects of decoration, heat preservation and the like. In terms of products, the exterior wall cladding is a kind of building material, and is a building board for exterior walls. The exterior wall cladding has the basic performances of corrosion resistance, high temperature resistance, ageing resistance, no radiation, fire resistance, insect prevention, no deformation and the like, and simultaneously requires attractive appearance, simple and convenient construction, environmental protection, energy conservation and the like. Common exterior wall cladding panels include fiber cement panels, aluminum-plastic panels, PVC panels, stone materials, and the like. However, the error of the three-dimensional model built by the existing hanging plate construction method of the integrally-assembled building based on the BIM technology is large; meanwhile, the deduction relationship between different building components, especially the deduction relationship of complex structures, cannot be completely and correctly reflected, so that the calculation of the construction engineering quantity is wrong.
In summary, the problems of the prior art are as follows: the error of a three-dimensional model built by the existing hanging plate construction method of the integrally-assembled building based on the BIM technology is large; meanwhile, the deduction relationship between different building components, especially the deduction relationship of complex structures, cannot be completely and correctly reflected, so that the calculation of the construction engineering quantity is wrong.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a BIM technology-based exterior cladding construction method of an integrally-assembled building.
The invention is realized in this way, a BIM technology-based exterior cladding construction method of an integrally-assembled building, which comprises the following steps:
firstly, a main control module acquires input information of a required BIM building component by a building model construction module through a modeling program; matching corresponding parameter information in a preset database according to the input information; endowing the parameter information to a preset model in the BIM software to obtain a BIM building component;
acquiring two-dimensional position data of two-dimensional elements corresponding to the building elements and appearance data of the building elements; generating three-dimensional position data of a target three-dimensional model required by the building element according to the two-dimensional position data and the appearance data; triangularizing the two-dimensional elements corresponding to the building elements;
thirdly, generating a building model corresponding to the building element based on the three-dimensional position data, the triangularization result obtained by triangularization and the BIM building component; obtaining the generated building model by a model rendering module through a rendering program;
step four, acquiring a visual angle matrix of a current observer, and filtering to acquire an exterior cladding of the building model in the visual field; sorting the hanging plates of the building models in the view field from near to far according to the viewpoint distance by using a quick sorting algorithm;
step five, determining and selecting the model rendering level of the model cladding board rendering obtained by sequencing according to the viewpoint distance; judging whether the current rendering level of the model cladding board is changed, if not, continuing rendering, and if so, deleting the display list in the original display memory and re-rendering;
step six, selecting the optimal appearance of the cladding panel through a cladding panel selection module according to the rendering effect of the step five; positioning the position of the building assembly external hanging plate by using a positioning mechanism through an assembly positioning module; assembling the exterior cladding panels of the building by the assembling module through the assembling mechanism;
step seven, acquiring an original BIM file comprising a plurality of BIM entity objects forming the building model by utilizing a calculation program through an engineering quantity calculation module; analyzing the original BIM file, and extracting geometric topological information and attribute information of each building element in the original BIM file; receiving and checking a design drawing; establishing parameter information of a project including an elevation, a project base point and an elevation point of a component by manual modeling according to a design drawing;
step eight, establishing a shaft network in BIM software according to the relation between the plane position and the plane size in the design drawing; establishing corresponding component information according to a building construction drawing and a structure construction drawing, and defining component attributes according to the height, thickness, length, gradient, section size, material, power, strength grade, fire-proof grade, application range, specification and model and manufacturer information of the component; arranging corresponding components in the BIM three-dimensional model according to the positions of the components in the drawing, and establishing the BIM three-dimensional model;
step nine, dynamically managing the BIM three-dimensional model according to the construction progress; drawing a measure project in the BIM according to the engineering progress; carrying out collision check on the BIM three-dimensional model by combining with the actual engineering situation; according to the collision inspection result, adjusting the plane size, the position relation, the elevation and the material of the BIM three-dimensional model component;
step ten, defining engineering quantity calculation rules in BIM software according to engineering quantity calculation requirements; obtaining the whole project engineering quantity by calculation and summary according to the engineering quantity calculation rule, and deriving a required engineering quantity table according to the component screening parameters to obtain the construction engineering quantity of the exterior cladding panel of the building;
and eleventh, displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result by using a display through a display module.
Further, the first step previously comprises: the construction video data of the cladding panel of the building are collected by a construction video collecting module through a camera; collecting construction weather data of an exterior cladding of a building through a construction weather collecting module; and the material data acquisition module is used for acquiring the construction material data of the cladding panel of the building.
Further, in the second step, triangulating the two-dimensional elements corresponding to the building elements includes:
triangularizing the two-dimensional elements by using a corresponding triangularization mode according to the types of the two-dimensional elements and the type of a target three-dimensional model to be generated; the triangulation mode comprises surface undirected triangulation, surface directed triangulation, line horizontal triangulation and line vertical triangulation.
Further, in step three, the generating a target three-dimensional model of the building element based on the three-dimensional position data, the triangularization result obtained by the triangularization, and the BIM building component includes:
obtaining a model frame of the target three-dimensional model based on the triangularization result, wherein the model frame comprises all triangular patches corresponding to the triangularization result; adding auxiliary patches in corresponding triangular patches included in the model frame;
calculating texture coordinates and normal directions of model vertexes of the model frame;
and obtaining a target three-dimensional model based on the three-dimensional position data, the attached patches added in the model frame and the texture coordinates and normal directions of model vertexes in the model frame.
Further, in the seventh step, the receiving and checking a design drawing includes: receiving a design drawing from a design unit, wherein the design drawing comprises a design description, a building construction drawing, a structure construction drawing and a professional deepening drawing; and checking and adjusting the drawing, wherein the adjustment content comprises the plane position, the range, the layer, the proportion, the size and the elevation of the component.
Further, in step eight, the building method of the BIM three-dimensional model further includes: building a BIM three-dimensional model by drawing modeling or directly receiving built BIM three-dimensional models from a design unit;
the guide graph modeling method comprises the following steps:
importing a design drawing into a BIM software identification module, and performing drawing segmentation; identifying a shaft network and establishing a BIM three-dimensional model shaft network; sequentially identifying components, importing the components and establishing a BIM three-dimensional model;
and respectively defining the attributes of the component according to the height, the thickness, the length, the gradient, the section size, the material quality, the power, the strength grade, the fire-proof grade, the application range, the specification and the model and the manufacturer information to complete the building of the BIM three-dimensional model.
Further, in the ninth step, the member includes a foundation, a pile cap, a column, a beam, a wall, a plate, a roof, a staircase, a door and window, a wall decoration, a ground decoration, and a ceiling.
Another object of the present invention is to provide a cladding panel construction system of an integrally fabricated building based on a BIM technique, which implements a cladding panel construction method of an integrally fabricated building based on a BIM technique, the cladding panel construction system of an integrally fabricated building based on a BIM technique including:
the system comprises a construction video acquisition module, a construction weather acquisition module, a material data acquisition module, a main control module, a building model construction module, a model rendering module, an exterior cladding selection module, an assembly positioning module, an assembly module, an engineering quantity calculation module and a display module;
the construction video acquisition module is connected with the main control module and used for acquiring construction video data of the exterior cladding panel of the building through the camera;
the construction weather acquisition module is connected with the main control module and used for acquiring the construction weather data of the exterior cladding panel of the building;
the material data acquisition module is connected with the main control module and is used for acquiring the construction material data of the cladding panel of the building;
the main control module is connected with the construction video acquisition module, the construction weather acquisition module, the material data acquisition module, the building model construction module, the model rendering module, the cladding selection module, the assembling and positioning module, the assembling module, the engineering quantity calculation module and the display module and is used for controlling each module to normally work through a host;
the building model building module is connected with the main control module and used for building a building model through a modeling program;
the model rendering module is connected with the main control module and used for rendering the building model cladding panel through a rendering program;
the exterior plate selection module is connected with the main control module and is used for selecting the optimal exterior appearance of the exterior plate according to the rendering effect;
the assembly positioning module is connected with the main control module and used for positioning the position of the building assembly external hanging plate through the positioning mechanism;
the assembling module is connected with the main control module and used for assembling the exterior cladding panel of the building through the assembling mechanism;
the engineering quantity calculation module is connected with the main control module and used for calculating the construction engineering quantity of the exterior cladding panel of the building through a calculation program;
and the display module is connected with the main control module and used for displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result through the display.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the method of constructing a cladding panel of a build-up building based on BIM technology when the computer program product is executed on an electronic device.
Another object of the present invention is to provide a computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to perform the cladding construction method of the integrally fabricated building based on the BIM technique.
The invention has the advantages and positive effects that: according to the invention, the building model building module has higher data making efficiency and less model data volume, and the generated three-dimensional model has higher accuracy; meanwhile, the engineering quantity calculation module can be used for carrying out three-dimensional modeling completely according to the actual conditions of the construction engineering, and the overlapping and deduction relations among different components can be truly reflected; through the collision check function in the BIM software, the wrong place in the model can be automatically identified and checked, and the condition that the engineering quantity is wrong due to wrong drawings and models can be reduced; through the real three-dimensional model and the customized calculation rule, various complex special-shaped component parameters can be calculated, and the engineering quantity precision is enough to meet the actual working requirement.
Drawings
Fig. 1 is a flow chart of a cladding panel construction method of an integrally assembled building based on the BIM technique according to an embodiment of the present invention.
Fig. 2 is a structural block diagram of a cladding panel construction system of an integrally fabricated building based on the BIM technology according to an embodiment of the present invention.
FIG. 3 is a flow chart of a building model building module construction method according to an embodiment of the present invention.
Fig. 4 is a flowchart of a method for generating a target three-dimensional model of a building element according to an embodiment of the present invention.
Fig. 5 is a flowchart of a calculation method of the engineering quantity calculation module according to the embodiment of the present invention.
In fig. 2: 1. a construction video acquisition module; 2. a construction weather acquisition module; 3. a material data acquisition module; 4. a main control module; 5. a building model construction module; 6. a model rendering module; 7. the exterior cladding panel selects the module; 8. assembling a positioning module; 9. assembling the module; 10. an engineering quantity calculation module; 11. and a display module.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the method for constructing an exterior cladding panel of an integrally fabricated building based on the BIM technique according to an embodiment of the present invention includes the following steps:
s101, acquiring construction video data of an exterior cladding of a building by using a camera through a construction video acquisition module; collecting construction weather data of an exterior cladding of a building through a construction weather collecting module; collecting the construction material data of the cladding panel of the building through a material data collecting module;
s102, the main control module constructs a building model by a building model constructing module and a modeling program; rendering the building model cladding panel by using a rendering program through a model rendering module; selecting the optimal appearance of the cladding plate according to the rendering effect through a cladding plate selection module;
s103, positioning the position of the building assembly external hanging plate by using a positioning mechanism through an assembly positioning module; assembling the exterior cladding panels of the building by the assembling module through the assembling mechanism;
s104, calculating the construction engineering quantity of the cladding plate of the building by using a calculation program through an engineering quantity calculation module;
and S105, displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result by using the display through the display module.
As shown in fig. 2, the cladding panel construction system of the integrally assembled building based on the BIM technology according to the embodiment of the present invention includes: the construction video acquisition module 1, the construction weather acquisition module 2, the material data acquisition module 3, the main control module 4, the building model construction module 5, the model rendering module 6, the cladding selection module 7, the assembly positioning module 8, the assembly module 9, the engineering quantity calculation module 10 and the display module 11.
The construction video acquisition module 1 is connected with the main control module 4 and is used for acquiring construction video data of the exterior cladding panel of the building through a camera;
the construction weather acquisition module 2 is connected with the main control module 4 and is used for acquiring the construction weather data of the exterior cladding panel of the building;
the material data acquisition module 3 is connected with the main control module 4 and is used for acquiring the construction material data of the cladding panel of the building;
the main control module 4 is connected with the construction video acquisition module 1, the construction weather acquisition module 2, the material data acquisition module 3, the building model construction module 5, the model rendering module 6, the cladding selection module 7, the assembly positioning module 8, the assembly module 9, the engineering quantity calculation module 10 and the display module 11, and is used for controlling each module to normally work through a host;
the building model building module 5 is connected with the main control module 4 and used for building a building model through a modeling program;
the model rendering module 6 is connected with the main control module 4 and used for rendering the building model cladding panel through a rendering program;
the exterior cladding board selection module 7 is connected with the main control module 4 and used for selecting the optimal exterior cladding board appearance according to the rendering effect;
the assembling and positioning module 8 is connected with the main control module 4 and used for positioning the position of the building assembling external hanging plate through a positioning mechanism;
the assembling module 9 is connected with the main control module 4 and used for assembling the exterior cladding panel of the building through an assembling mechanism;
the engineering quantity calculation module 10 is connected with the main control module 4 and used for calculating the construction engineering quantity of the exterior cladding panel of the building through a calculation program;
and the display module 11 is connected with the main control module 4 and used for displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result through a display.
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
The method for constructing the exterior cladding panel of the integrally assembled building based on the BIM technology provided by the embodiment of the invention is shown in figure 1, and as a preferred embodiment, is shown in figure 3, and the method for constructing the building model provided by the embodiment of the invention comprises the following steps:
s201, acquiring input information of a required BIM building component; matching corresponding parameter information in a preset database according to the input information; endowing the parameter information to a preset model in the BIM software to obtain the BIM building component;
s202, acquiring two-dimensional position data of two-dimensional elements corresponding to the building elements and appearance data of the building elements; generating three-dimensional position data of a target three-dimensional model required by the building element according to the two-dimensional position data and the appearance data; triangularizing the two-dimensional elements corresponding to the building elements;
and S203, generating a target three-dimensional model corresponding to the building element based on the three-dimensional position data, the triangularization result obtained by triangularization and the BIM building component.
The triangularization of the two-dimensional elements corresponding to the building elements provided by the embodiment of the invention comprises the following steps:
triangularizing the two-dimensional elements by using a corresponding triangularization mode according to the types of the two-dimensional elements and the type of a target three-dimensional model to be generated; the triangulation mode comprises surface undirected triangulation, surface directed triangulation, line horizontal triangulation and line vertical triangulation.
As shown in fig. 4, the generating of the target three-dimensional model of the building element based on the three-dimensional position data, the triangularization result obtained by the triangularization, and the BIM building element according to the embodiment of the present invention includes:
s301, obtaining a model frame of the target three-dimensional model based on the triangularization result, wherein the model frame comprises triangular patches corresponding to the triangularization result; adding auxiliary patches in corresponding triangular patches included in the model frame;
s302, calculating texture coordinates and normal directions of model vertexes of the model frame;
and S303, obtaining a target three-dimensional model based on the three-dimensional position data, the attached patches added in the model frame and the texture coordinates and normal directions of model vertexes in the model frame.
Example 2:
the method for constructing the exterior cladding panel of the integrally-assembled building based on the BIM technology is shown in FIG. 1, and as a preferred embodiment, the method for constructing the exterior cladding panel of the integrally-assembled building based on the BIM technology obtains a generated building model by a rendering program through a model rendering module;
acquiring a current observer visual angle matrix, and filtering to acquire an exterior cladding of the building model in the visual field; sorting the hanging plates of the building models in the view field from near to far according to the viewpoint distance by using a quick sorting algorithm; determining and selecting the model rendering level of the model cladding board rendering obtained by sequencing according to the viewpoint distance; and judging whether the current rendering level of the model cladding panel is changed, if not, continuing rendering, and if so, deleting the display list in the original display memory and re-rendering.
Example 3:
the method for constructing the exterior cladding panel of the integrally assembled building based on the BIM technology provided by the embodiment of the invention is shown in figure 1, and as a preferred embodiment, as shown in figure 5, the method for calculating the engineering quantity provided by the embodiment of the invention comprises the following steps:
s401, obtaining an original BIM file, wherein the original BIM file comprises a plurality of BIM entity objects forming a building model; analyzing the original BIM file, and extracting geometric topological information and attribute information of each building element in the original BIM file; receiving and checking a design drawing: receiving a design drawing from a design unit, wherein the design drawing comprises a design description, a building construction drawing, a structure construction drawing and a professional deepening drawing; checking and adjusting drawings, wherein the adjusting content comprises the plane position, range, layer, proportion, size and elevation of the component;
s402, establishing a BIM three-dimensional model according to a design drawing: the building of the BIM three-dimensional model comprises the following three modes: manual modeling: independently establishing a BIM three-dimensional model in BIM software according to a design drawing; and (3) conducting diagram modeling: importing a design drawing, and identifying and establishing a BIM three-dimensional model; receiving a model: directly receiving a built BIM three-dimensional model from a design unit;
s403, dynamically managing the BIM three-dimensional model according to the construction progress; drawing a measure project in the BIM according to the engineering progress; carrying out collision check on the BIM three-dimensional model by combining with the actual engineering situation; according to the collision inspection result, adjusting the BIM three-dimensional model, wherein the adjusted indexes comprise the plane size, the position relation, the elevation and the material of the component; defining engineering quantity calculation rules in BIM software according to engineering quantity calculation requirements; and (4) obtaining the engineering quantity of the whole project through calculation and summary according to the engineering quantity calculation rule, and exporting a required engineering quantity table according to the component screening parameters.
The components provided by the embodiment of the invention comprise a foundation, a pile cap, a column, a beam, a wall, a plate, a roof, a stair, a door and window, wall decoration, ground decoration and a suspended ceiling.
The manual modeling provided by the embodiment of the invention comprises the following steps:
establishing project parameter information, wherein the parameter information comprises elevation of a component, a project base point and an elevation point; establishing a shaft network in BIM software according to the relation between the plane position and the plane size in the design drawing;
establishing corresponding component information according to a building construction drawing and a structure construction drawing, and defining component attributes according to the height, thickness, length, gradient, section size, material, power, strength grade, fire-proof grade, application range, specification and model and manufacturer information of the component; and arranging corresponding components in the BIM three-dimensional model according to the positions of the components in the drawing.
The guide map modeling provided by the embodiment of the invention comprises the following steps:
importing a design drawing into a BIM software identification module, and performing drawing segmentation; identifying a shaft network and establishing a BIM three-dimensional model shaft network; sequentially identifying components, importing the components and establishing a BIM three-dimensional model;
and respectively defining the attributes of the component according to the height, the thickness, the length, the gradient, the section size, the material quality, the power, the strength grade, the fire-proof grade, the application range, the specification and the model and the manufacturer information to complete the building of the BIM three-dimensional model.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When used in whole or in part, can be implemented in a computer program product that includes one or more computer instructions. When loaded or executed on a computer, cause the flow or functions according to embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL), or wireless (e.g., infrared, wireless, microwave, etc.)). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The method for constructing the exterior cladding panel of the integrally assembled building based on the BIM technology is characterized by comprising the following steps of:
firstly, a main control module acquires input information of a required BIM building component by a building model construction module through a modeling program; matching corresponding parameter information in a preset database according to the input information; endowing the parameter information to a preset model in the BIM software to obtain a BIM building component;
acquiring two-dimensional position data of two-dimensional elements corresponding to the building elements and appearance data of the building elements; generating three-dimensional position data of a target three-dimensional model required by the building element according to the two-dimensional position data and the appearance data; triangularizing the two-dimensional elements corresponding to the building elements;
thirdly, generating a building model corresponding to the building element based on the three-dimensional position data, the triangularization result obtained by triangularization and the BIM building component; obtaining the generated building model by a model rendering module through a rendering program;
step four, acquiring a visual angle matrix of a current observer, and filtering to acquire an exterior cladding of the building model in the visual field; sorting the hanging plates of the building models in the view field from near to far according to the viewpoint distance by using a quick sorting algorithm;
step five, determining and selecting the model rendering level of the model cladding board rendering obtained by sequencing according to the viewpoint distance; judging whether the current rendering level of the model cladding board is changed, if not, continuing rendering, and if so, deleting the display list in the original display memory and re-rendering;
step six, selecting the optimal appearance of the cladding panel through a cladding panel selection module according to the rendering effect of the step five; positioning the position of the building assembly external hanging plate by using a positioning mechanism through an assembly positioning module; assembling the exterior cladding panels of the building by the assembling module through the assembling mechanism;
step seven, acquiring an original BIM file comprising a plurality of BIM entity objects forming the building model by utilizing a calculation program through an engineering quantity calculation module; analyzing the original BIM file, and extracting geometric topological information and attribute information of each building element in the original BIM file; receiving and checking a design drawing; establishing parameter information of a project including an elevation, a project base point and an elevation point of a component by manual modeling according to a design drawing;
step eight, establishing a shaft network in BIM software according to the relation between the plane position and the plane size in the design drawing; establishing corresponding component information according to a building construction drawing and a structure construction drawing, and defining component attributes according to the height, thickness, length, gradient, section size, material, power, strength grade, fire-proof grade, application range, specification and model and manufacturer information of the component; arranging corresponding components in the BIM three-dimensional model according to the positions of the components in the drawing, and establishing the BIM three-dimensional model;
step nine, dynamically managing the BIM three-dimensional model according to the construction progress; drawing a measure project in the BIM according to the engineering progress; carrying out collision check on the BIM three-dimensional model by combining with the actual engineering situation; according to the collision inspection result, adjusting the plane size, the position relation, the elevation and the material of the BIM three-dimensional model component;
step ten, defining engineering quantity calculation rules in BIM software according to engineering quantity calculation requirements; obtaining the whole project engineering quantity by calculation and summary according to the engineering quantity calculation rule, and deriving a required engineering quantity table according to the component screening parameters to obtain the construction engineering quantity of the exterior cladding panel of the building;
and eleventh, displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result by using a display through a display module.
2. The method for constructing a cladding panel for a unit assembly type building according to claim 1, wherein said first step comprises: the construction video data of the cladding panel of the building are collected by a construction video collecting module through a camera; collecting construction weather data of an exterior cladding of a building through a construction weather collecting module; and the material data acquisition module is used for acquiring the construction material data of the cladding panel of the building.
3. The method for constructing an exterior cladding panel of an integrally fabricated building based on BIM technology as claimed in claim 1, wherein in the second step, the triangularization of the two-dimensional elements corresponding to the building elements comprises:
triangularizing the two-dimensional elements by using a corresponding triangularization mode according to the types of the two-dimensional elements and the type of a target three-dimensional model to be generated; the triangulation mode comprises surface undirected triangulation, surface directed triangulation, line horizontal triangulation and line vertical triangulation.
4. The method for constructing an exterior cladding panel of an integrally fabricated building based on BIM technology as claimed in claim 1, wherein in step three, the step of generating the target three-dimensional model of the building element based on the three-dimensional position data, the triangularization result obtained by the triangularization, and the BIM building component comprises:
obtaining a model frame of the target three-dimensional model based on the triangularization result, wherein the model frame comprises all triangular patches corresponding to the triangularization result; adding auxiliary patches in corresponding triangular patches included in the model frame;
calculating texture coordinates and normal directions of model vertexes of the model frame;
and obtaining a target three-dimensional model based on the three-dimensional position data, the attached patches added in the model frame and the texture coordinates and normal directions of model vertexes in the model frame.
5. The exterior cladding panel construction method of integrally fabricated building based on BIM technique as claimed in claim 1, wherein said receiving and checking design drawing in step seven comprises: receiving a design drawing from a design unit, wherein the design drawing comprises a design description, a building construction drawing, a structure construction drawing and a professional deepening drawing; and checking and adjusting the drawing, wherein the adjustment content comprises the plane position, the range, the layer, the proportion, the size and the elevation of the component.
6. The method for constructing an exterior cladding panel of an integrally fabricated building based on BIM technology as claimed in claim 1, wherein in step eight, the method for building the BIM three-dimensional model further comprises: building a BIM three-dimensional model by drawing modeling or directly receiving built BIM three-dimensional models from a design unit;
the guide graph modeling method comprises the following steps:
importing a design drawing into a BIM software identification module, and performing drawing segmentation; identifying a shaft network and establishing a BIM three-dimensional model shaft network; sequentially identifying components, importing the components and establishing a BIM three-dimensional model;
and respectively defining the attributes of the component according to the height, the thickness, the length, the gradient, the section size, the material quality, the power, the strength grade, the fire-proof grade, the application range, the specification and the model and the manufacturer information to complete the building of the BIM three-dimensional model.
7. The method of constructing an exterior cladding panel for a unitary assembly building according to claim 1, wherein in step nine, the structural members comprise foundations, pilings, columns, beams, walls, panels, roofs, stairs, windows, wall decorations, floor decorations, and ceilings.
8. A cladding panel construction system of a BIM technology-based integrally fabricated building for implementing the cladding panel construction method of a BIM technology-based integrally fabricated building according to claims 1 to 7, wherein the cladding panel construction system of a BIM technology-based integrally fabricated building comprises:
the system comprises a construction video acquisition module, a construction weather acquisition module, a material data acquisition module, a main control module, a building model construction module, a model rendering module, an exterior cladding selection module, an assembly positioning module, an assembly module, an engineering quantity calculation module and a display module;
the construction video acquisition module is connected with the main control module and used for acquiring construction video data of the exterior cladding panel of the building through the camera;
the construction weather acquisition module is connected with the main control module and used for acquiring the construction weather data of the exterior cladding panel of the building;
the material data acquisition module is connected with the main control module and is used for acquiring the construction material data of the cladding panel of the building;
the main control module is connected with the construction video acquisition module, the construction weather acquisition module, the material data acquisition module, the building model construction module, the model rendering module, the cladding selection module, the assembling and positioning module, the assembling module, the engineering quantity calculation module and the display module and is used for controlling each module to normally work through a host;
the building model building module is connected with the main control module and used for building a building model through a modeling program;
the model rendering module is connected with the main control module and used for rendering the building model cladding panel through a rendering program;
the exterior plate selection module is connected with the main control module and is used for selecting the optimal exterior appearance of the exterior plate according to the rendering effect;
the assembly positioning module is connected with the main control module and used for positioning the position of the building assembly external hanging plate through the positioning mechanism;
the assembling module is connected with the main control module and used for assembling the exterior cladding panel of the building through the assembling mechanism;
the engineering quantity calculation module is connected with the main control module and used for calculating the construction engineering quantity of the exterior cladding panel of the building through a calculation program;
and the display module is connected with the main control module and used for displaying the construction video, the construction weather, the construction material data, the building model, the rendering effect, the selection result and the calculation result through the display.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for implementing a method of cladding panel construction of a building block based on BIM technology as claimed in any one of claims 1 to 7 when executed on an electronic device.
10. A computer-readable storage medium storing instructions which, when executed on a computer, cause the computer to perform the cladding panel construction method of a unitary fabricated building based on BIM technology as claimed in any one of claims 1 to 7.
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