CN113177240A - Curtain wall construction method based on BIM and point cloud technology - Google Patents
Curtain wall construction method based on BIM and point cloud technology Download PDFInfo
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- E—FIXED CONSTRUCTIONS
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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Abstract
The invention discloses a curtain wall construction method based on BIM and point cloud technology, which comprises the steps of building a single parametric model of a curtain wall component, building and deepening a BIM model of the whole curtain wall, integrating the model and performing collision inspection, establishing a curtain wall component installation simulation and scheme, processing in a factory, installing processes, measuring and paying off BIM, checking BIM and three-dimensional scanning curtain wall. Compared with the prior art, the invention has the advantages that: through the combination and application of the BIM technology, the refinement degree of the curtain wall is greatly improved, the engineering quantity is automatically calculated and the curtain wall is led into a factory for processing, and the standardization of the curtain wall is improved; the curtain wall stress is analyzed, the stress safety is guaranteed, the problem of curtain wall collision is solved in advance through the cooperativity of the BIM technology, visual simulation is carried out to integrally optimize the curtain wall installation scheme, the BIM technology is combined with technologies such as RFID, VR and three-dimensional scanning and optimization algorithms, and the informationized curtain wall engineering management and construction modes such as material management, measurement positioning and completion acceptance check are achieved.
Description
Technical Field
The invention relates to the technical field of building information, in particular to a curtain wall construction method based on BIM and point cloud technology.
Background
Modern buildings not only pursue the functionality of building, the aesthetic measure of same building has proposed higher requirement, a large amount of designers have used the curtain to decorate in building appearance design, in the traditional construction, each specialty of construction engineering separately designs, it is more to lead to conflict problem between the drawing, and the curtain installation is very high to positioning accuracy's requirement, the conventional art is difficult to satisfy, the complicated fragile messenger of curtain component also very important its management, traditional management mode lacks the informationization, be difficult to satisfy the management demand.
The BIM technology is visually displayed through the visual display, collision conflict in design is visually found in a virtual three-dimensional environment, the problems of errors, omission, collision and the like in a design drawing are quickly, comprehensively and accurately checked before construction, various informatization technologies can be combined, the design deepening degree and the scheme optimizing degree are optimized to factory processing and field intelligent management, the refinement degree of curtain wall engineering and the informatization degree of various management of field construction are effectively improved, the installation efficiency of a curtain wall construction field is greatly improved, the reworking phenomenon is reduced, the cost and the construction period are saved, and the construction risk is reduced.
Disclosure of Invention
The invention aims to provide a high-precision informationized construction method of a complex comprehensive curtain wall based on a BIM and point cloud technology, which can effectively solve the problem of insufficient installation precision of the curtain wall and improve the refinement and standardization degree of a single component of the curtain wall through the participation of the BIM technology; the curtain wall components are managed in order, the whole curtain wall construction process is optimized, and the informatization degree of the whole curtain wall construction is further improved.
In order to solve the problems, the invention provides a curtain wall construction method based on a BIM and point cloud technology, which comprises the following steps:
the method comprises the following steps: building a parametric model of the curtain wall monomer component, namely building a parametric model of the curtain wall monomer component by using a BIM technology, building a standardized BIM model of the curtain wall monomer component, and clearly reserving the position and detail structure of an embedded part;
step two: building and deepening a BIM model of the whole curtain wall, namely building the BIM model of the whole curtain wall at first, and restoring the decoration and fitment effect of the curtain wall; analyzing the integral stress of the curtain wall, ensuring the stress safety of the curtain wall and preparing for subsequent simulation and processing links;
step three: the method comprises the steps of model integration and collision inspection, wherein a BIM model of the curtain wall is integrated with other professional models, collision detection is carried out on the integrated BIM model, collision situations of the curtain wall and collision situations of the curtain wall and other professional models are solved, and smooth and safe installation of the curtain wall are guaranteed;
step four: the curtain wall component installation simulation and scheme formulation, the deepened curtain wall component installation scheme is simulated to compare various schemes, an optimal scheme is selected, the curtain wall is arranged in a BIM model, accurate blanking is achieved, and the installation scheme simulation video is reserved;
step five: factory processing, namely automatically generating a blanking list of the deepened curtain wall model, introducing the blanking list and the refined BIM model of the curtain wall component into a factory end, automatically calculating engineering material consumption, and strictly controlling factory production; after the factory processing is finished, generating a curtain wall component warehouse-out list, RFID electronic tags storing information of each component and two-dimensional codes storing construction simulation animations of each component; the electronic tag is convenient for mastering the logistics information of the curtain wall material and managing and controlling the states of the curtain wall components for acceptance, stock stacking and use in the field construction stage, and the two-dimensional code is convenient for viewing the installation process of each component on the field at any time;
step six: mounting process, process simulation and VR teaching, manufacturing curtain wall mounting process animations and models according to the BIM deepening model and the visual simulation, leading in VR equipment, and using the VR equipment to teach management and construction personnel so as to ensure teaching quality;
step seven: carrying out BIM measurement paying-off, calculating and simulating coordinate data of a positioning point for curtain wall installation in a BIM, collecting on-site actual data by combining a total station, calculating and correcting an incorrect point after the data is added to the BIM, screening a datum point, finally carrying out positioning simulation and installation simulation in the BIM, and carrying out paying-off construction by on-site constructors according to the calculated datum point;
step eight: BIM and three-dimensional scanning curtain are checked and accepted, based on the BIM model, use three-dimensional scanning technique to gather on-the-spot curtain installation data to compare with the BIM model, mark the mistake emergence point in the BIM model, show curtain installation quality problem and problem component location directly perceived for check and acceptance and rectification efficiency.
Compared with the prior art, the invention has the advantages that: through the combination and application of the BIM technology, the refinement degree of the curtain wall is greatly improved, the engineering quantity is automatically calculated and the curtain wall is led into a factory for processing, and the standardization of the curtain wall is improved; the curtain wall stress is analyzed, the stress safety is guaranteed, the problem of curtain wall collision is solved in advance through the cooperativity of the BIM technology, visual simulation is carried out to integrally optimize the curtain wall installation scheme, the BIM technology is combined with technologies such as RFID, VR and three-dimensional scanning and optimization algorithms, and the informationized curtain wall engineering management and construction modes such as material management, measurement positioning and completion acceptance check are achieved.
In the first step, the design is carried out according to a design effect diagram, curtain wall design requirements and professional drawing requirements, the curtain wall standard parts need to be divided for establishing the parameterized model of each curtain wall component, and the building precision of the BIM model needs to reach LOD 400.
And as an improvement, deepening the curtain wall member in the step two, fully adding the details of the curtain wall member, and accurately positioning the reserved embedded part and accurately expressing the reserved embedded part in the BIM model.
In the fourth step, except for the whole installation simulation, the installation and the processing of the complex node are subjected to key simulation, so that the correct expression of the installation process of the complex node is ensured.
In the fifth step, the electronic tag is adhered to the curtain wall components without affecting the appearance and construction position when the electronic tag is delivered from a factory, and the two-dimensional code is adhered to the main part of the curtain wall monomer and is not required to be adhered to small parts of the curtain wall.
As an improvement, the virtual reality teaching content for the personnel in the step six includes, but is not limited to, a curtain wall part assembling method, a curtain wall monomer installation process flow, a curtain wall part storing method, a curtain wall construction appearance effect guaranteeing method and curtain wall construction safety experience; the virtual reality teaching has three parts of demonstration, simulation operation and teaching result test, so that the experience feeling is enhanced, and the correct transmission of process details is ensured.
As an improvement, the total station data in the seventh step should be directly imported into the BIM model, the BIM model is corrected according to the actual field result, the reference point location is calculated according to the BIM model closer to reality, calculation errors caused by errors between the model and field construction are reduced, and installation problems are reduced.
Drawings
FIG. 1 is a flow diagram of a complex comprehensive curtain wall high-precision informatization construction method based on BIM and point cloud technology.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides a curtain wall construction method based on BIM and point cloud technology in specific implementation, which comprises the following steps:
the method comprises the following steps: building a parametric model of the curtain wall monomer component, namely building a parametric model of the curtain wall monomer component by using a BIM technology, building a standardized BIM model of the curtain wall monomer component, and clearly reserving the position and detail structure of an embedded part;
step two: building and deepening a BIM model of the whole curtain wall, namely building the BIM model of the whole curtain wall at first, and restoring the decoration and fitment effect of the curtain wall; analyzing the integral stress of the curtain wall, ensuring the stress safety of the curtain wall and preparing for subsequent simulation and processing links;
step three: the method comprises the steps of model integration and collision inspection, wherein a BIM model of the curtain wall is integrated with other professional models, collision detection is carried out on the integrated BIM model, collision situations of the curtain wall and collision situations of the curtain wall and other professional models are solved, and smooth and safe installation of the curtain wall are guaranteed;
step four: the curtain wall component installation simulation and scheme formulation, the deepened curtain wall component installation scheme is simulated to compare various schemes, an optimal scheme is selected, the curtain wall is arranged in a BIM model, accurate blanking is achieved, and the installation scheme simulation video is reserved;
step five: factory processing, namely automatically generating a blanking list of the deepened curtain wall model, introducing the blanking list and the refined BIM model of the curtain wall component into a factory end, automatically calculating engineering material consumption, and strictly controlling factory production; after the factory processing is finished, generating a curtain wall component warehouse-out list, RFID electronic tags storing information of each component and two-dimensional codes storing construction simulation animations of each component; the electronic tag is convenient for mastering the logistics information of the curtain wall material and managing and controlling the states of the curtain wall components for acceptance, stock stacking and use in the field construction stage, and the two-dimensional code is convenient for viewing the installation process of each component on the field at any time;
step six: mounting process, process simulation and VR teaching, manufacturing curtain wall mounting process animations and models according to the BIM deepening model and the visual simulation, leading in VR equipment, and using the VR equipment to teach management and construction personnel so as to ensure teaching quality;
step seven: carrying out BIM measurement paying-off, calculating and simulating coordinate data of a positioning point for curtain wall installation in a BIM, collecting on-site actual data by combining a total station, calculating and correcting an incorrect point after the data is added to the BIM, screening a datum point, finally carrying out positioning simulation and installation simulation in the BIM, and carrying out paying-off construction by on-site constructors according to the calculated datum point;
step eight: BIM and three-dimensional scanning curtain are checked and accepted, based on the BIM model, use three-dimensional scanning technique to gather on-the-spot curtain installation data to compare with the BIM model, mark the mistake emergence point in the BIM model, show curtain installation quality problem and problem component location directly perceived for check and acceptance and rectification efficiency.
In the first step, the design is carried out according to a design effect diagram, curtain wall design requirements and professional drawing requirements, the curtain wall standard parts need to be divided when the parameterized model of each curtain wall component is established, and the building precision of the BIM model needs to reach LOD 400.
And in the second step, the curtain wall component is deepened, the details of the curtain wall component need to be fully added, and the reserved embedded part is accurately positioned and accurately expressed in the BIM model.
In the fourth step, besides the whole installation simulation, the installation and the processing of the complex nodes are subjected to key simulation, so that the correct expression of the installation process of the complex nodes is ensured.
In the fifth step, the electronic tag is adhered to the positions, where the appearance and construction of each curtain wall component are not affected, of the curtain wall components when the electronic tag leaves a factory, and the two-dimensional code is adhered to the main part of each curtain wall monomer and does not need to be adhered to small parts of the curtain wall.
The virtual reality teaching content for personnel in the sixth step includes but is not limited to a curtain wall part assembling method, a curtain wall monomer installation process flow, a curtain wall part storing method, a curtain wall construction appearance effect guaranteeing method and curtain wall construction safety experience; the virtual reality teaching has three parts of demonstration, simulation operation and teaching result test, so that the experience feeling is enhanced, and the correct transmission of process details is ensured.
And seventhly, directly importing the total station data into the BIM, correcting the BIM according to an actual field result, and calculating the datum point position according to the BIM closer to reality, so that calculation errors caused by errors between the model and field construction are reduced, and the installation problem is reduced.
The working principle of the invention is as follows: as shown in fig. 1, in the embodiment of the present invention, a complex integrated curtain wall high-precision informatization construction method based on BIM and point cloud technologies includes:
the method comprises the following steps: and (3) building a monomer parameterized model of the curtain wall component. According to the construction requirements and appearance design requirements, the Revit is used for building a parameterized family library for the curtain wall monomer components, and models are built for different types of curtain wall components, so that the subsequent building and simulation of the whole model are facilitated.
Step two: and (4) building and deepening the whole BIM model of the curtain wall. The method is characterized in that a Revit is used for building an integral curtain wall BIM model, complex nodes, single reserved embedded parts, fasteners and the like are deepened, the integral model is led into Ansys for stress analysis, the safety of the stress of the curtain wall is ensured, a temporary supporting structure and the like required for installation are designed, and the safety and the accuracy of installation are ensured.
Step three: model integration and collision check. The curtain wall BIM model is integrated with other professional BIM models, Navisvarks are introduced to carry out collision detection after integration is completed, collision conflicts between the curtain wall structure and curtain walls and other professional model structures are eliminated, and the correct integral BIM model is completed.
Step four: and (4) curtain wall component installation simulation and scheme formulation. According to the BIM model and engineering experience of the curtain wall, a plurality of curtain wall installation construction schemes are provided, installation nodes are deepened, different construction schemes are simulated after on-site construction information is added, the optimal scheme is determined, construction safety risks are predicted and eliminated based on the BIM model through the linkage of safety information, the scheme is optimized, and the establishment of the construction scheme is completed
Step five: and (5) factory processing. According to BIM visual background of the past, calculating the engineering quantity automatically by the Revit model, generating a blanking list, importing the blanking list into a factory for processing, generating a component information list and an RFID electronic tag with information along with a curtain wall component after the factory processing is finished, and pasting the component information list and the RFID electronic tag on the curtain wall component when leaving the factory, so that on-site materials are managed based on the BIM information model, and the transportation, factory entering, stacking, hoisting and installation states of the component are mastered in real time; in addition, the two-dimensional code containing member installation simulation is generated and is pasted on the curtain wall main body member without influencing installation and appearance, so that the two-dimensional code is convenient to view on site at any time and guides construction.
Step six: installation procedure, process simulation and VR teaching. According to the visual end of a business of the early stage, simulate curtain installation process, technology, combine the BIM model to simulate installation safety protection equipment and safety problem etc. and carry out the VR show with leading-in VR equipment of simulation and software to this is managed and constructor teaching, lets personnel simulation operation curtain installation, experiences the safety risk conscientiously, improves detail transmission efficiency and personnel's safety consciousness.
Step seven: BIM measurement was taken off line. Designing and coding a datum point based on an overall BIM built by Revit, then acquiring field actual data by using a total station, modifying the BIM, carrying out secondary development on the Revit, calculating and screening a positioning datum point of the modified BIM by using an algorithm, and outputting a datum point number and positioning data as a field positioning basis.
Step eight: and checking and accepting the BIM and the three-dimensional scanning curtain wall. The curtain wall data are scanned and collected by using three-dimensional scanning equipment, the collected field actual data are compared with the BIM model, the part with the error in the BIM model is highlighted, the unqualified part is visually displayed and positioned, and correction is facilitated; and the acceptance condition and the correction record are linked with the component in the BIM model for remarking, and the component information and the correction record can be displayed by clicking the component, so that the condition that the paper material is lost and damaged is avoided.
The above description is only a preferred embodiment of the present invention and is not intended to illustrate the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A curtain wall construction method based on BIM and point cloud technology is characterized by comprising the following steps:
the method comprises the following steps: building a parametric model of the curtain wall monomer component, namely building a parametric model of the curtain wall monomer component by using a BIM technology, building a standardized BIM model of the curtain wall monomer component, and clearly reserving the position and detail structure of an embedded part;
step two: building and deepening a BIM model of the whole curtain wall, namely building the BIM model of the whole curtain wall at first, and restoring the decoration and fitment effect of the curtain wall; analyzing the integral stress of the curtain wall, ensuring the stress safety of the curtain wall and preparing for subsequent simulation and processing links;
step three: the method comprises the steps of model integration and collision inspection, wherein a BIM model of the curtain wall is integrated with other professional models, collision detection is carried out on the integrated BIM model, collision situations of the curtain wall and collision situations of the curtain wall and other professional models are solved, and smooth and safe installation of the curtain wall are guaranteed;
step four: the curtain wall component installation simulation and scheme formulation, the deepened curtain wall component installation scheme is simulated to compare various schemes, an optimal scheme is selected, the curtain wall is arranged in a BIM model, accurate blanking is achieved, and the installation scheme simulation video is reserved;
step five: factory processing, namely automatically generating a blanking list of the deepened curtain wall model, introducing the blanking list and the refined BIM model of the curtain wall component into a factory end, automatically calculating engineering material consumption, and strictly controlling factory production; after the factory processing is finished, generating a curtain wall component warehouse-out list, RFID electronic tags storing information of each component and two-dimensional codes storing construction simulation animations of each component; the electronic tag is convenient for mastering the logistics information of the curtain wall material and managing and controlling the states of the curtain wall components for acceptance, stock stacking and use in the field construction stage, and the two-dimensional code is convenient for viewing the installation process of each component on the field at any time;
step six: mounting process, process simulation and VR teaching, manufacturing curtain wall mounting process animations and models according to the BIM deepening model and the visual simulation, leading in VR equipment, and using the VR equipment to teach management and construction personnel so as to ensure teaching quality;
step seven: carrying out BIM measurement paying-off, calculating and simulating coordinate data of a positioning point for curtain wall installation in a BIM, collecting on-site actual data by combining a total station, calculating and correcting an incorrect point after the data is added to the BIM, screening a datum point, finally carrying out positioning simulation and installation simulation in the BIM, and carrying out paying-off construction by on-site constructors according to the calculated datum point;
step eight: BIM and three-dimensional scanning curtain are checked and accepted, based on the BIM model, use three-dimensional scanning technique to gather on-the-spot curtain installation data to compare with the BIM model, mark the mistake emergence point in the BIM model, show curtain installation quality problem and problem component location directly perceived for check and acceptance and rectification efficiency.
2. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: in the first step, the design is carried out according to a design effect diagram, curtain wall design requirements and professional drawing requirements, the curtain wall standard parts need to be divided when the parameterized model of each curtain wall component is established, and the building precision of the BIM model needs to reach LOD 400.
3. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: and in the second step, the curtain wall component is deepened, the details of the curtain wall component need to be fully added, and the reserved embedded part is accurately positioned and accurately expressed in the BIM model.
4. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: in the fourth step, besides the whole installation simulation, the installation and the processing of the complex nodes are subjected to key simulation, so that the correct expression of the installation process of the complex nodes is ensured.
5. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: in the fifth step, the electronic tag is adhered to the positions, where the appearance and construction of each curtain wall component are not affected, of the curtain wall components when the electronic tag leaves a factory, and the two-dimensional code is adhered to the main part of each curtain wall monomer and does not need to be adhered to small parts of the curtain wall.
6. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: the virtual reality teaching content for personnel in the sixth step includes but is not limited to a curtain wall part assembling method, a curtain wall monomer installation process flow, a curtain wall part storing method, a curtain wall construction appearance effect guaranteeing method and curtain wall construction safety experience; the virtual reality teaching has three parts of demonstration, simulation operation and teaching result test, so that the experience feeling is enhanced, and the correct transmission of process details is ensured.
7. The curtain wall construction method based on the BIM and the point cloud technology as claimed in claim 1, wherein: and seventhly, directly importing the total station data into the BIM, correcting the BIM according to an actual field result, and calculating the datum point position according to the BIM closer to reality, so that calculation errors caused by errors between the model and field construction are reduced, and the installation problem is reduced.
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| CN113761641A (en) * | 2021-10-20 | 2021-12-07 | 金刚幕墙集团有限公司 | Integrated blanking method combining curtain wall surveying and mapping and BIM technology |
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| CN114818031A (en) * | 2022-04-14 | 2022-07-29 | 众创联合(杭州)幕墙科技有限公司 | Different in nature curtain system based on BIM design technique |
| CN115324359A (en) * | 2022-06-23 | 2022-11-11 | 中国建筑第二工程局有限公司 | BIM-based design and construction method for arc-shaped multi-curved-surface special-shaped curtain wall |
| CN115506518A (en) * | 2022-10-21 | 2022-12-23 | 中建八局第二建设有限公司 | Glass-hyperboloid perforated aluminum plate composite curtain wall construction method and composite curtain wall |
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| CN115506518A (en) * | 2022-10-21 | 2022-12-23 | 中建八局第二建设有限公司 | Glass-hyperboloid perforated aluminum plate composite curtain wall construction method and composite curtain wall |
| CN117436182A (en) * | 2023-12-20 | 2024-01-23 | 南京市第八建筑安装工程有限公司 | BIM technology-based steel skeleton curtain wall construction method |
| CN117436182B (en) * | 2023-12-20 | 2024-02-20 | 南京市第八建筑安装工程有限公司 | BIM technology-based steel skeleton curtain wall construction method |
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