CN112177210A - Irrational multidirectional curved surface double-layer curtain wall construction structure and method based on BIM platform - Google Patents
Irrational multidirectional curved surface double-layer curtain wall construction structure and method based on BIM platform Download PDFInfo
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- CN112177210A CN112177210A CN202011041873.9A CN202011041873A CN112177210A CN 112177210 A CN112177210 A CN 112177210A CN 202011041873 A CN202011041873 A CN 202011041873A CN 112177210 A CN112177210 A CN 112177210A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- E04B2/88—Curtain walls
- E04B2/885—Curtain walls comprising a supporting structure for flush mounted glazing panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- 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
- E04B2/88—Curtain walls
- E04B2/90—Curtain walls comprising panels directly attached to the structure
Abstract
The invention relates to the technical field of building construction, in particular to a construction structure and a construction method of an irrational multidirectional curved surface double-layer curtain wall based on a BIM platform. The invention provides a method which can be applied to the conditions of super complexity of building modeling and very short construction period, on the civil engineering main structure which completes construction, the production of an aluminum plate unit plate is carried out while the assembly of an inner curtain wall and a connecting piece is carried out, the aluminum plate unit plate is subjected to position adjustment through the connecting piece and the assembly and installation of the outer curtain wall are completed, the protection of finished products after the installation of glass is effectively ensured, the construction period of a double-layer curtain wall is greatly shortened, and the working efficiency is improved; the aluminum plate unit plates are processed in a factory and then are transported to a site to be directly installed, so that the aluminum plate unit plates are integrally installed, the machining precision of the aluminum plate units is improved greatly, the construction and installation sequence is simplified on the site, and the influence of the installation of the aluminum plate unit plates on the protection of finished glass after the glass installation is finished is reduced.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction structure and a construction method of an irrational multidirectional curved surface double-layer curtain wall based on a BIM platform.
Background
Along with the innovation of design concept and the progress of construction technology, the building curtain wall is simplified, regularization is diversified, and the building curtain wall is complicated, more and more building skins adopt complex-modeling multidimensional curved surfaces, the design and construction method of the existing double-layer curtain wall is that after an inner layer curtain wall is finished, a connecting piece is reserved and arranged, an outer layer curtain wall keel is welded on site, an aluminum plate panel is installed after keel on-site manufacture is finished, the processing period of glass and the aluminum plate is long due to the curtain wall keel, the glass and the aluminum plate cannot be installed due to production errors, assembling angles and the like, long time delay occurs in a lake in the construction period, and meanwhile, welding slag generated by welding the outer layer curtain wall keel can damage the finished glass surface, and the finished product protection of glass plates is.
Disclosure of Invention
The invention aims to solve the technical problem of providing a irrational multidirectional curved surface double-layer curtain wall construction structure and method based on a BIM platform, which shorten the construction period of the double-layer curtain wall, simplify the construction and installation sequence on site and reduce the influence on finished glass
In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows:
a BIM platform-based irrational multi-directional curved surface double-layer curtain wall construction structure and a method thereof comprise the following steps:
importing a civil engineering main structure drawing obtained by measurement and lofting into BIM three-dimensional software for parametric modeling to obtain a BIM model;
the method comprises the following steps of obtaining an inner irrational curved surface glass curtain wall, an outer irrational curved surface aluminum plate curtain wall, keels, connecting pieces and connecting pieces which are matched with a civil engineering main body structure based on a BIM model, and processing and producing the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces according to detailed diagrams of the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces led out from the BIM;
conveying the produced inner layer irrational curved surface glass curtain wall, the keel, the connecting piece and the connecting piece to a construction site, adjusting the position of the inner layer irrational curved surface glass curtain wall through the keel, the connecting piece and the civil engineering main structure to assemble and install the inner layer curtain wall, and assembling the connecting piece to the connecting piece;
the measurement and lofting information of the inner curtain wall is led into a BIM model, the outer irrational curved surface aluminum plate curtain wall is divided into a plurality of aluminum plate unit plates in the BIM model, then the detailed drawing of the aluminum plate unit plates is led out from the BIM model, and the aluminum plate unit plates are processed and produced while the inner irrational curved surface glass curtain wall is assembled;
the aluminum plate unit plate which is produced is conveyed to a construction site, and the aluminum plate unit plate is subjected to position adjustment through the connecting piece and is assembled and installed on the outer layer curtain wall.
Further, the inner layer irrational curved surface glass curtain wall is divided into a plurality of irrational curved surface glass curtain wall components in the BIM model, and the irrational curved surface glass curtain wall components and the aluminum plate unit plate are processed and produced in a factory.
Further, in the process of assembling and installing the inner curtain wall, when the inner irrational curved glass curtain wall is installed and assembly errors occur, the position of the inner irrational curved glass curtain wall is adjusted through the connecting piece which can be adjusted in the three-dimensional direction until the assembled inner curtain wall is matched with the built BIM model.
Further, in the process of assembling and installing the outer curtain wall, when an assembling error occurs in the installation of the outer irrational curved surface aluminum plate curtain wall, the position of the outer irrational curved surface aluminum plate curtain wall is adjusted through the adjustable refuting piece in the three-dimensional direction until the assembled outer curtain wall is matched with the built BIM model.
Further, in the assembling process of the inner curtain wall, point position information of the connecting piece obtained in real time is led into the BIM model, and parameters of the outer irrational curved surface aluminum plate curtain wall in the BIM model are analyzed and optimized in real time.
Further, in outer curtain assembly process, when aluminum plate unit board mounted position did not be provided with the corresponding union piece of refuting, will aluminum plate unit board side is as an organic whole with an adjacent aluminum plate unit board fixed connection, and the opposite side is in the same place with the concatenation of another adjacent aluminum plate unit board.
The invention also comprises a BIM platform-based irrational multidirectional curved surface double-layer curtain wall construction structure, which comprises a main civil engineering structure, keels, connecting pieces and connecting pieces, the main civil structure is provided with an embedded part, the keel is connected with the embedded part, the connecting part is arranged on the keel, the connecting piece is provided with a connecting clamp for clamping irrational curved surface glass curtain wall components, the connecting piece is arranged on the connecting clamp, the free end of the connecting clamp is connected with the aluminum plate unit plate, the irrational curved surface glass curtain wall component is subjected to position adjustment with the civil engineering main structure through the keel and the connecting piece, so that the irrational curved glass curtain wall members form an inner irrational curved glass curtain wall on the civil engineering main structure, the aluminum plate unit plate is subjected to position adjustment through the connecting pieces so that the aluminum plate unit plate can form an outer irrational curved surface aluminum plate curtain wall on the inner irrational curved surface glass curtain wall.
Further, the connecting piece includes steel support and connecting seat, the steel support with fossil fragments are connected, the connecting seat with connect fixture connects, the steel support with the connecting seat is articulated.
Further, the connecting clamp comprises two clamping plates which are connected through a cross shaft, a clamping plate for clamping the irrational curved surface glass curtain wall component is arranged on the inner side of each clamping plate, a supporting block is arranged on the cross shaft and arranged between the two clamping plates, and a supporting groove for clamping the irrational curved surface glass curtain wall component is formed in each supporting block.
Further, refute the union piece including refuting and connect the support, refute and connect the pole, refute and connect the sleeve, refute and connect the support setting and be in on the coupling jig, refute and connect the sleeve and be connected with the aluminum plate unit board, be provided with the screw hole on refuting and connect the sleeve, refute and connect the pole and wear to establish on the screw hole, refute and connect and be provided with universal bulb on the pole free end, refute and connect and seted up on the support with universal bulb assorted holding chamber, universal bulb sets up the holding intracavity, be provided with the apron on the holding chamber, rotate at the holding intracavity through universal bulb and change and refute the relative position who connects the muffjoint's aluminum plate unit board.
The invention has the beneficial effects that:
the invention provides a method which can be applied to the conditions of super complexity of building modeling and very short construction period, on the civil engineering main structure which completes construction, the production of an aluminum plate unit plate is carried out while the assembly of an inner curtain wall and a connecting piece is carried out, the aluminum plate unit plate is subjected to position adjustment through the connecting piece and the assembly and installation of the outer curtain wall are completed, the protection of finished products after the installation of glass is effectively ensured, the construction period of a double-layer curtain wall is greatly shortened, and the working efficiency is improved; the aluminum plate unit plates are processed in a factory and then are transported to a site to be directly installed, so that the aluminum plate unit plates are integrally installed, the machining precision of the aluminum plate units is improved greatly, the construction and installation sequence is simplified on the site, and the influence of the installation of the aluminum plate unit plates on the protection of finished glass after the glass installation is finished is reduced.
Drawings
FIG. 1 is a schematic diagram of a construction structure of an irrational multi-directional curved double-layer curtain wall based on a BIM platform.
Fig. 2 is a partially enlarged schematic view of a in fig. 1.
Fig. 3 is a schematic view of the connector of the present invention.
The reference numbers in the figures illustrate: 1. a keel; 2. a steel support; 21. a connecting seat; 22. a bolt; 23. a first tooth surface; 3. irrational curved surface glass curtain wall component; 4. an aluminum plate unit plate; 5. connecting a clamp; 51. a splint; 52. a chuck; 53. a horizontal axis; 54. a support block; 55. a connecting screw; 6. connecting a support; 61. a docking sleeve; 62. a connecting rod; 63. a universal ball head; 64. a cover plate; 65. locking the bolt; 7. splicing pieces; 71. splicing screws; 72. splicing tooth surfaces; 73. an adjustment hole;
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1-3, a construction structure and method for an irrational multi-directional curved surface double-layer curtain wall based on a BIM platform includes:
importing a civil engineering main structure drawing obtained by measurement and lofting into BIM three-dimensional software for parametric modeling to obtain a BIM model;
the method comprises the following steps of obtaining an inner irrational curved surface glass curtain wall, an outer irrational curved surface aluminum plate curtain wall, keels, connecting pieces and connecting pieces which are matched with a civil engineering main body structure based on a BIM model, and processing and producing the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces according to detailed diagrams of the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces led out from the BIM;
conveying the produced inner layer irrational curved surface glass curtain wall, the keel, the connecting piece and the connecting piece to a construction site, adjusting the position of the inner layer irrational curved surface glass curtain wall through the keel, the connecting piece and the civil engineering main structure to assemble and install the inner layer curtain wall, and assembling the connecting piece to the connecting piece;
the measurement and lofting information of the inner curtain wall is led into a BIM model, the outer irrational curved surface aluminum plate curtain wall is divided into a plurality of aluminum plate unit plates in the BIM model, then the detailed drawing of the aluminum plate unit plates is led out from the BIM model, and the aluminum plate unit plates are processed and produced while the inner irrational curved surface glass curtain wall is assembled;
the aluminum plate unit plate which is produced is conveyed to a construction site, and the aluminum plate unit plate is subjected to position adjustment through the connecting piece and is assembled and installed on the outer layer curtain wall.
The invention provides a method which can be applied to the conditions of super complexity of building modeling and very short construction period, on the civil engineering main structure which completes construction, the production of an aluminum plate unit plate is carried out while the assembly of an inner curtain wall and a connecting piece is carried out, the aluminum plate unit plate is subjected to position adjustment through the connecting piece and the assembly and installation of the outer curtain wall are completed, the protection of finished products after the installation of glass is effectively ensured, the construction period of a double-layer curtain wall is greatly shortened, and the working efficiency is improved; the inner irrational curved surface glass curtain wall is subjected to position adjustment with the civil engineering main structure through the connecting piece, and the aluminum plate unit plate is subjected to position adjustment with the inner curtain wall through the connecting piece, so that the inner and outer double-layer curtain walls are ensured to be adjustable and controllable in installation within a certain error range, the work flow is simplified, the construction precision is effectively improved, and the engineering progress and quality are guaranteed; the aluminum plate unit plates are processed in a factory and then are transported to a site to be directly installed, so that the aluminum plate unit plates are integrally installed, the machining precision of the aluminum plate units is improved greatly, the construction and installation sequence is simplified on the site, and the influence of the installation of the aluminum plate unit plates on the protection of finished glass after the glass installation is finished is reduced.
The aluminum plate unit plate comprises an aluminum plate keel frame and aluminum cover plates arranged on two sides of the aluminum plate keel frame, and the aluminum plate keel frame and the aluminum cover plates are assembled and then conveyed to a construction site.
Specifically, the inner layer irrational curved surface glass curtain wall can be defined as a waterproof structural layer from the use function, the waterproof property of the curtain wall is sealed after the completion, the heat preservation, the energy conservation, the sound insulation and the heat insulation properties are simultaneously met, and the single-point spherical hinge connecting piece (the connecting piece) is installed and selected after the installation of the inner layer irrational curved surface glass curtain wall is completed.
Dividing the inner irrational curved glass curtain wall into a plurality of irrational curved glass curtain wall components in a BIM model, and processing and producing the irrational curved glass curtain wall components and the aluminum plate unit plate in a factory.
In the process of assembling and installing the inner curtain wall, when the inner irrational curved glass curtain wall is installed and assembly errors occur, the position of the inner irrational curved glass curtain wall is adjusted through the connecting piece which can be adjusted in the three-dimensional direction until the assembled inner curtain wall is matched with the built BIM model.
In the process of assembling and installing the outer curtain wall, when assembling errors occur in the installation of the outer irrational curved surface aluminum plate curtain wall, the position of the outer irrational curved surface aluminum plate curtain wall is adjusted through the adjustable connecting piece in the three-dimensional direction until the assembled outer curtain wall is matched with the built BIM model.
In the assembling process of the inner curtain wall, point position information of the connecting piece obtained in real time is led into the BIM model, and parameters of the outer irrational curved surface aluminum plate curtain wall in the BIM model are analyzed and optimized in real time.
The method comprises the following steps of determining the positions of a space keel and a connecting piece by a lofting robot in advance, determining the space position of a connection claw, fixing the connection piece according to the position of a three-dimensional position point, wherein the installation of the connection piece is in process, the lofting robot tracks and positions to ensure that the installation is controlled to ensure the positioning accuracy of the connection piece, after the connection piece is installed, installing an aluminum plate through the aid of a scaffold and a crane or a hanging basket, and finally, an aluminum plate unit plate is fixedly connected with the connection piece through a reserved connection sleeve.
Referring to the positions A and B in FIG. 1, in the assembly process of the outer curtain wall, when the aluminum plate unit plate assembly position is not provided with a corresponding connection piece, that is, the aluminum plate unit plate mounting position does not have a corresponding point position of the connection piece, the side edge of the aluminum plate unit plate is fixedly connected with an adjacent aluminum plate unit plate into a whole (position B), and the other side edge of the aluminum plate unit plate is spliced with another adjacent aluminum plate unit plate (position A).
The concrete structure does all be provided with the splice on the aluminum plate keel frame of aluminum plate unit board and another adjacent aluminum plate unit board, through concatenation screw fixed connection between two splices, be provided with the concatenation flank of tooth on the splice, two splices are through the meshing of the quick location of concatenation flank of tooth, the regulation hole has still been seted up on the splice, the splice screw is worn to establish two regulation holes and is two splices fixed mounting.
Through the splicing tooth surface and the adjusting hole on the splicing piece, the position between the two spliced aluminum plate units can be quickly adjusted, and the installation effect of the outer curtain wall is ensured.
The invention also comprises a BIM platform-based irrational multidirectional curved surface double-layer curtain wall construction structure, which comprises a main civil engineering structure, keels, connecting pieces and connecting pieces, the main civil structure is provided with an embedded part, the keel is connected with the embedded part, the connecting part is arranged on the keel, the connecting piece is provided with a connecting clamp for clamping irrational curved surface glass curtain wall components, the connecting piece is arranged on the connecting clamp, the free end of the connecting clamp is connected with the aluminum plate unit plate, the irrational curved surface glass curtain wall component is subjected to position adjustment with the civil engineering main structure through the keel and the connecting piece, so that the irrational curved glass curtain wall members form an inner irrational curved glass curtain wall on the civil engineering main structure, the aluminum plate unit plate is subjected to position adjustment through the connecting pieces so that the aluminum plate unit plate can form an outer irrational curved surface aluminum plate curtain wall on the inner irrational curved surface glass curtain wall.
The connecting piece comprises a steel support and a connecting seat, the steel support is connected with the keel, the connecting seat is connected with the connecting clamp, and the steel support is hinged to the connecting seat.
The steel support is provided with a first tooth surface, the connecting seat is provided with a second tooth surface, the steel support is hinged to the connecting seat through a bolt, the first tooth surface is meshed with the second tooth surface, rapid positioning and locking are achieved through meshing of the two tooth surfaces, and the steel support and the connecting seat which are positioned can be fixedly connected through the bolt.
The steel support and the connecting seat with teeth can realize that a connecting clamp connected with the connecting seat is vertically adjustable in the same direction, and the inclination angle of the connecting seat on the steel support can be adjusted through the corner position of the irrational curved glass curtain wall component, so that the installation on site is convenient.
The connecting clamp comprises two clamping plates which are connected through a cross shaft, a clamping plate used for clamping the irrational curved surface glass curtain wall component is arranged on the inner side of each clamping plate, a supporting block is arranged on the cross shaft and arranged between the two clamping plates, and a supporting groove used for clamping the irrational curved surface glass curtain wall component is formed in each supporting block.
The supporting block is divided into 4, 6 or 8 positioning grooves for accommodating irrational curved glass curtain wall components by the supporting grooves, and the number of the supporting grooves is the same as that of the irrational curved glass curtain wall components.
An arc-shaped groove is formed in one side of the clamping plate, a connecting screw penetrates through the arc-shaped groove and is connected with the supporting block, and the supporting block is fixedly connected with the clamping plate through the connecting screw.
The rotation angle of the connecting screw along the arc-shaped groove is 0-30 degrees, so that the supporting block can be quickly fitted with a plurality of irrational curved surface glass curtain wall components, and the positioning accuracy of the inner irrational curved surface glass curtain wall is guaranteed.
Refute the union piece including refuting and connect the support, refute and connect the pole, refute and connect the sleeve, refute and connect the support setting and be in on the coupling jig, refute and connect the sleeve and be connected with the aluminum plate unit board, refute and be provided with the screw hole on connecting the sleeve, refute and connect the pole and wear to establish on the screw hole, refute and connect and be provided with universal bulb on the pole free end, refute and connect on the support seted up with universal bulb assorted holding chamber, universal bulb sets up the holding intracavity, be provided with the apron on the holding chamber, rotate at the holding intracavity through universal bulb and change and refute the relative position of the aluminum plate unit board of muffjoint, realize the construction installation of aluminum plate unit board irrational multidirectional three-dimensional direction through adjusting universal bulb, construction progress and quality can reliably be ensured.
The side face of the cover plate is evenly provided with a plurality of locking holes, locking bolts are arranged on the locking holes, and the locking bolts are abutted to the outer wall of the connection rod.
Through refuting to connect the pole and rotate on refuting and connect the sleeve screw hole and make it take place relative displacement, refute on the union piece and refute and connect the sleeve and refute the pole and all have certain regulation surplus, but quick adjustment aluminum plate unit board and refute the relative position between the union piece, rotate in the holding intracavity through universal bulb and change and refute the relative position who connects muffjoint's aluminum plate unit board, realize the universal regulation of aluminum plate unit board, can adjust aluminum plate unit board business turn over face distance and height elevation through above-mentioned structure, ensure the roughness and the outward appearance effect of aluminum plate unit board installation.
Through refuting union piece and connecting piece and adopting three-dimensional direction adjustable connection to inside and outside double-deck curtain, aluminum plate and inlayer curtain are connected and are adopted universal adjustment to be connected, ensure that the installation of inlayer curtain is adjustable controllable in certain error range after the major structure is accomplished, and it can adjust the inclination of connecting seat on the steel support to irrational curved surface glass curtain wall component corner position, the installation of convenient scene.
The invention adopts a BIM lofting robot and a three-dimensional scanner for measurement and lofting, the three-dimensional scanner is used for creating point clouds on the geometric surface of an object, the points can be interpolated into the surface shape of the object, the denser point clouds can create a more accurate model (three-dimensional reconstruction), and the advantages of rapidness, accuracy, intelligence, simple and convenient operation and less labor demand are utilized to directly convert data in the BIM model into on-site accurate point positions. Meanwhile, the three-dimensional model can be directly guided into the handbook, and the model is grabbed and lofted, so that the complex processes of point coordinate calculation, input and the like in the traditional operation and the error chance are avoided, the work flow is simplified, the traditional construction precision is surpassed, the measurement work efficiency is greatly improved, and the lofting efficiency is 3-5 times that of the traditional method, thereby ensuring the progress and quality of the engineering.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A construction method of an irrational multidirectional curved surface double-layer curtain wall based on a BIM platform is characterized by comprising the following steps:
importing a civil engineering main structure drawing obtained by measurement and lofting into BIM three-dimensional software for parametric modeling to obtain a BIM model;
the method comprises the following steps of obtaining an inner irrational curved surface glass curtain wall, an outer irrational curved surface aluminum plate curtain wall, keels, connecting pieces and connecting pieces which are matched with a civil engineering main body structure based on a BIM model, and processing and producing the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces according to detailed diagrams of the inner irrational curved surface glass curtain wall, the keels, the connecting pieces and the connecting pieces led out from the BIM;
conveying the produced inner layer irrational curved surface glass curtain wall, the keel, the connecting piece and the connecting piece to a construction site, adjusting the position of the inner layer irrational curved surface glass curtain wall through the keel, the connecting piece and the civil engineering main structure to assemble and install the inner layer curtain wall, and assembling the connecting piece to the connecting piece;
the measurement and lofting information of the inner curtain wall is led into a BIM model, the outer irrational curved surface aluminum plate curtain wall is divided into a plurality of aluminum plate unit plates in the BIM model, then the detailed drawing of the aluminum plate unit plates is led out from the BIM model, and the aluminum plate unit plates are processed and produced while the inner irrational curved surface glass curtain wall is assembled;
the aluminum plate unit plate which is produced is conveyed to a construction site, and the aluminum plate unit plate is subjected to position adjustment through the connecting piece and is assembled and installed on the outer layer curtain wall.
2. The BIM platform-based irrational multi-directional curved double-layer curtain wall construction method as claimed in claim 1, wherein the inner irrational curved glass curtain wall is divided into a plurality of irrational curved glass curtain wall members in a BIM model, and the irrational curved glass curtain wall members and the aluminum plate unit plates are processed and produced in a factory.
3. The BIM platform-based irrational multi-directional curved surface double-layer curtain wall construction method as claimed in claim 1, wherein in the process of assembling and installing the inner layer curtain wall, when an assembling error occurs in the installation of the inner layer irrational curved surface glass curtain wall, the position of the inner layer irrational curved surface glass curtain wall is adjusted through the connecting piece which can be adjusted in the three-dimensional direction until the assembled inner layer curtain wall is matched with the built BIM model.
4. The BIM platform-based irrational multidirectional curved surface double-layer curtain wall construction method as claimed in claim 1, wherein in the process of assembling and installing the outer curtain wall, when an assembling error occurs in the installation of the outer irrational curved surface aluminum plate curtain wall, the position of the outer irrational curved surface aluminum plate curtain wall is adjusted through the adjustable refuting piece in the three-dimensional direction until the assembled outer curtain wall is matched with the built BIM model.
5. The BIM platform-based irrational multidirectional curved surface double-layer curtain wall construction method as claimed in claim 1, wherein in an inner-layer curtain wall assembly process, point location information of a connecting piece obtained in real time is imported into a BIM model, and parameters of an outer-layer irrational curved surface aluminum plate curtain wall in the BIM model are analyzed and optimized in real time.
6. The BIM platform-based irrational multi-directional curved surface double-layer curtain wall construction method as claimed in claim 1, wherein in the outer layer curtain wall assembly process, when no corresponding refute piece is arranged at the aluminum plate unit plate assembly position, the side edge of the aluminum plate unit plate is fixedly connected with an adjacent aluminum plate unit plate into a whole, and the other side of the aluminum plate unit plate is spliced with another adjacent aluminum plate unit plate.
7. A construction structure of an irrational multi-directional curved surface double-layer curtain wall based on a BIM platform is characterized by comprising a main civil engineering structure, keels, connecting pieces and connecting pieces, the main civil structure is provided with an embedded part, the keel is connected with the embedded part, the connecting part is arranged on the keel, the connecting piece is provided with a connecting clamp for clamping irrational curved surface glass curtain wall components, the connecting piece is arranged on the connecting clamp, the free end of the connecting clamp is connected with the aluminum plate unit plate, the irrational curved surface glass curtain wall component is subjected to position adjustment with the civil engineering main structure through the keel and the connecting piece, so that the irrational curved glass curtain wall members form an inner irrational curved glass curtain wall on the civil engineering main structure, the aluminum plate unit plate is subjected to position adjustment through the connecting pieces so that the aluminum plate unit plate can form an outer irrational curved surface aluminum plate curtain wall on the inner irrational curved surface glass curtain wall.
8. The BIM platform-based irrational multi-directional curved double-deck curtain wall construction structure of claim 7, wherein the connecting member comprises a steel support and a connecting seat, the steel support is connected with the keel, the connecting seat is connected with the connecting clamp, and the steel support is hinged with the connecting seat.
9. The BIM platform-based irrational multi-directional curved double-layered curtain wall construction structure as claimed in claim 7, wherein the connecting jig comprises two clamping plates connected by a cross shaft, a clamping plate for clamping irrational curved glass curtain wall components is provided at an inner side of the clamping plates, a supporting block is provided on the cross shaft, the supporting block is provided between the two clamping plates, and a supporting groove for clamping irrational curved glass curtain wall components is provided on the supporting block.
10. The BIM platform-based irrational multidirectional curved surface double-layer curtain wall construction structure as claimed in claim 7, wherein the connection piece includes a connection support, a connection rod and a connection sleeve, the connection support is arranged on the connection fixture, the connection sleeve is connected with the aluminum plate unit plate, the connection sleeve is provided with a threaded hole, the connection rod is arranged on the threaded hole in a penetrating manner, a universal ball head is arranged at a free end of the connection rod, a containing cavity matched with the universal ball head is arranged on the connection support, the universal ball head is arranged in the containing cavity, a cover plate is arranged on the containing cavity, and the relative position of the aluminum plate unit plate connected with the connection sleeve is changed by rotating the universal ball head in the containing cavity.
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