CN112252548A - Curtain wall dry-hanging prefabricating method based on BIM - Google Patents

Curtain wall dry-hanging prefabricating method based on BIM Download PDF

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CN112252548A
CN112252548A CN202010989763.9A CN202010989763A CN112252548A CN 112252548 A CN112252548 A CN 112252548A CN 202010989763 A CN202010989763 A CN 202010989763A CN 112252548 A CN112252548 A CN 112252548A
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hanging
bim
dry
curtain wall
construction
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叶永锋
苏炜
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Dongguan Yichen Zhizao Pre Assembly Technology Co ltd
Foshan Jianfeng Investment Co ltd
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Dongguan Yichen Zhizao Pre Assembly Technology Co ltd
Foshan Jianfeng Investment Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/88Curtain walls
    • E04B2/96Curtain walls comprising panels attached to the structure through mullions or transoms
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads

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Abstract

The invention discloses a curtain wall dry-hanging prefabricating method based on BIM, which comprises the following steps: s1, establishing a curtain wall dry hanging BIM model, exporting a processing drawing of the BIM model and a dry hanging material, coding the module, and inputting the module code into an ERP system; s2, transmitting the processing drawing to a factory for prefabrication production and processing, and transmitting the input code of the ERP system to the factory; s3, performing self-checking, transportation and distribution, product acceptance and assembly construction on the prefabricated product in sequence, wherein each flow in the step S3 corresponds to the code of each module; and S4, performing engineering acceptance on the assembled product. The curtain wall dry-hanging prefabricating and processing method based on the BIM can improve the working efficiency of design and construction of curtain wall dry hanging and reduce the construction error rate.

Description

Curtain wall dry-hanging prefabricating method based on BIM
Technical Field
The invention relates to the field of curtain wall design, in particular to a curtain wall dry-hanging prefabricating and processing method based on BIM.
Background
The continuous development of the productivity level of the human society provides a necessary material basis for the reconstruction of the construction industry, and simultaneously provides higher design requirements. Building curtain walls and decorative walls are emerging industries that emerge as the building industry continues to develop and progress. And the space complexity of the existing building structure is increased day by day, the conventional design mode depending on plane design not only has the design effect difficult to reach the aesthetic requirement of modern buildings, but also has relatively low design work efficiency and poor design accuracy, is easy to cause problems in construction in the later period, has high rectification frequency and can not meet the design requirement of the current buildings.
BIM (building Information modeling), also called as a building Information model, is a novel computer application technology in the engineering construction industry, and by designing and using various relevant Information data of a building engineering project as a model basis, sharing and transmitting are performed in the whole life cycle process of planning, designing, constructing, operating and managing stages of the building engineering project, so that engineering technicians can correctly understand and efficiently deal with various building Information, a foundation for cooperative work is provided for design teams, construction units and all the building main bodies including the building operation units, and the building Information modeling method plays an important role in improving production efficiency, saving cost and shortening construction period. The BIM application technology is used as a revolution of the building industry, has strong three-dimensional design and operation management capacity, is applied to different fields of project whole life cycle, has permeated into all corners of the building industry, and increasingly emerges from a new application technology taking BIM as a core with continuous aggravation of competition of the building curtain wall and decorative wall industries.
Therefore, a processing method for designing and prefabricating the curtain wall dry hanging by using the BIM is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a curtain wall dry-hanging prefabricating method based on BIM, which can improve the working efficiency and reduce the construction error rate.
In order to achieve the aim, the invention provides a curtain wall dry hanging prefabricating method based on BIM, which comprises the following steps:
s1, establishing a curtain wall dry hanging BIM model, exporting a processing drawing of the BIM model and a dry hanging material, coding the module, and inputting the module code into an ERP system;
s2, transmitting the processing drawing to a factory for prefabrication production and processing, and transmitting the input code of the ERP system to the factory;
s3, performing self-checking, transportation and distribution, product acceptance and assembly construction on the prefabricated product in sequence, wherein each flow in the step S3 corresponds to the code of each module;
and S4, performing engineering acceptance on the assembled product.
Preferably, the step S1 includes:
(1) a primary modeling stage: introducing BIM software to establish a building wall model by combining a construction wall plan, carrying out stress analysis on a curtain wall structure to obtain a determined dry hanging keel and a component material selection, and initially establishing a BIM curtain wall model;
(2) and (3) deepening a design stage: rechecking measurement and collision detection are carried out on the dry-hanging wall surface part of the building structure, the measured actual size is fed back to the BIM in the form of three-dimensional data for comparison, and collision detection and walk-through experience of the dry-hanging module and the civil engineering structure are carried out by utilizing BIM matched software; and modifying the model data according to the rechecking and collision results, and optimizing the model design.
(3) Modular design stage: dividing the dry hanging panel and the keel and creating a curtain wall panel group, and then inserting the panel group into a BIM (building information modeling) model to assemble a modular curtain wall dry hanging model;
(4) digital design: deriving a dry hanging material list from the BIM model, inputting information such as codes, sizes, shapes and the like of dry hanging materials into an ERP system, and generating two-dimensional codes or bar codes corresponding to the dry hanging materials in the ERP system; the two-dimension codes correspond to the codes one by one, and the detailed resource information of the material in the enterprise library is obtained by scanning the two-dimension codes; and the installation coordinates can be accurately found according to the corresponding codes.
(5) Outputting a drawing: and outputting a processing drawing of a curtain wall construction material and an installation drawing of curtain wall assembly type construction based on the completed BIM model, wherein the construction material mainly comprises a dry hanging keel, a member and a dry hanging panel after grid division.
As a preferred scheme, the preliminary modeling stage specifically includes: combining a construction wall plane diagram, utilizing front-end software to create a wall local skin, thinning a contact surface of a curtain wall keel and a wall, then introducing BIM software, utilizing BIM software self-adaption family function to create a simulated building wall model, and combining with the design requirement of installing a curtain wall, confirming the distribution of dry hanging keels and the position relation such as the distance, the angle and the like of a dry hanging panel and the wall; carrying out stress analysis on the curtain wall structure, and determining the selection of materials of the dry hanging keel and the component; and synthesizing the data information of the wall body, the keel and the panel to initially establish a BIM curtain wall model.
Preferably, in step S1, the content of the rechecking measurement and the collision detection performed on the dry-hung wall surface portion of the building structure mainly includes the size, the elevation, and the flatness of the dry-hung wall surface.
Preferably, in step S1, the modular design stage includes:
mesh division: on the premise of ensuring the appearance quality of the curtain wall and the permission of installation conditions, the whole dry hanging panel and the keel are divided into shapes and sizes which can be processed by materials;
designing corners: specific edge closing scheme design is carried out on special positions such as internal and external corners, doors and windows, and closing connection modes are refined;
creating a family of panels: confirming the connecting positions of all panels and the dry hanging component and the connecting positions of the dry hanging component and the keel in a three-dimensional data form; according to the actual size after the gridding, manufacturing a curtain wall panel group of a BIM group library by the dry hanging panel and the corresponding dry hanging member; inserting the panel group into a BIM model to build a modular curtain wall dry hanging model;
and fourthly, module and component coding: and coding the keel structure and the panel after the segmentation is finished, and inquiring the installation position information according to the coding.
Preferably, in step S1, the output drawing comprehensively considers transportation and assembly conditions, and the BIM software is combined with the CAD software to output a processing drawing of the curtain wall construction material and an installation drawing of the curtain wall assembly construction.
Preferably, in step S2, the BIM model and the material processing drawing are transmitted to a factory, the factory makes a corresponding production process and a corresponding production flow, and the dry-hanging keels, the members and the panels are produced in batches; the processing of the dry hanging material comprises all procedures of basic size and shape processing and surface treatment, the dry hanging material can be sent to a construction site after being checked to be qualified, the dry hanging material can be directly installed, the site reprocessing at the construction site is not needed, and the environmental and noise pollution is reduced.
Preferably, the module code is transmitted to the ERP system, and the two-dimensional code or the bar code of the module is generated by the ERP system.
Preferably, in step S3, after the dry hanging material is processed, attaching a two-dimensional code or a barcode label, and connecting a printer for printing the two-dimensional code or the barcode label to the ERP system, so that the label must correspond to the finished digital module; after the inspection is qualified, when the vehicle is loaded and delivered from a factory, a scanner connected to the ERP equipment is used for scanning the label of each module, a delivery list is recorded, and the accuracy of processing and transportation is ensured; and after the finished products of the digital modules are transported to the site, the on-site delivery personnel uses a handheld scanner connected with the ERP system to scan the labels of each module, and delivery is confirmed.
Preferably, in step S3, the assembling construction includes: paying off, positioning and installing a keel; determining the specific installation position of each module through code scanning, and finishing basic installation by referring to a dry hanging system construction process and a BIM (building information modeling) assembly drawing; in the step S4, the hung thin plate tiles are scanned by the handheld device, so that all wooden boxes in the model are installed completely and accurately, and seamless joint of design and construction is realized.
Compared with the prior art, the invention has the beneficial effects that:
the curtain wall dry-hanging prefabricating method based on the BIM comprises the following steps: s1, establishing a curtain wall dry hanging BIM model, exporting a processing drawing of the BIM model and a dry hanging material, coding the module, and inputting the module code into an ERP system; s2, transmitting the processing drawing to a factory for prefabrication production and processing, and transmitting the input code of the ERP system to the factory; s3, performing self-checking, transportation and distribution, product acceptance and assembly construction on the prefabricated product in sequence, wherein each flow in the step S3 corresponds to the code of each module; and S4, performing engineering acceptance on the assembled product.
The curtain wall dry-hanging prefabricating processing method based on the BIM takes the BIM application technology as the leading factor, exerts the capabilities of information sharing, three-dimensional design and simulation optimization, improves the work cooperativity of project design units, production units and construction units, realizes the transformation from the traditional two-dimensional plane design to the three-dimensional design of curtain wall or decorative wall engineering, and finally realizes the transformation of the construction mode from the traditional construction to the assembly type installation by combining the factory prefabrication production of engineering materials, thereby achieving a whole set of novel design, production and construction methods with the effects of improving the project design efficiency and the material production efficiency, improving the building quality, shortening the construction period and reducing the construction cost.
The method has the advantages that: and (4) taking the high-precision BIM model as an information carrier, outputting a product processing drawing to guide factory prefabrication and processing, and outputting an assembly drawing to guide field assembly type construction. The strong modeling capability of BIM software is utilized, and other auxiliary software is combined, so that the design efficiency and the design precision are improved; the advantages of automation, informatization and the like of factory prefabrication production are utilized, the production progress is accelerated, the product quality is improved, and the cost is saved; the product production progress and quality acceptance conditions are accurately checked and controlled by matching with a digital management system, and the delivery period and quality of the product are ensured; finally, the prefabricated keel structure and the dry hanging mode are combined to realize field assembly type construction, the requirements on field working environment and worker skills are reduced, and a large number of uncertain factors of traditional field operation are avoided, so that the engineering quality is further guaranteed. In the whole scheme, information of all departments on site is shared and closely matched; the production and construction mode is intensive, environment-friendly, efficient and energy-saving.
Drawings
FIG. 1 is a schematic diagram of a BIM-based curtain wall dry-hanging prefabrication processing method in the embodiment of the invention;
FIG. 2 is a latticed curtain wall model.
In the figure, 1, keel; 2. a wall body; 3. optimally designing corners; 4. and (4) grid.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The preferred embodiment of the BIM based curtain wall dry hanging prefabrication method of the present invention, as shown in fig. 1, comprises the following steps,
s1, establishing a curtain wall dry hanging BIM model, exporting a technician drawing of the BIM model and a dry hanging material, coding the module, and recording the module code into an ERP system.
In the building of the curtain wall BIM model, a dry-hanging three-dimensional family library is firstly created, wherein the dry-hanging three-dimensional family library comprises a dry-hanging component family, a dry-hanging keel family and a curtain wall panel family based on the physical size, and the modeling efficiency is convenient to improve. Mainly comprises the following aspects:
(1) a primary modeling stage: and (3) introducing BIM software in combination with a construction wall plane diagram to establish a building wall model, carrying out stress analysis on the curtain wall structure to obtain a determined dry hanging keel and a component material selection, and initially establishing the BIM curtain wall model.
Further, the method comprises the following specific steps: combining a construction wall plane diagram, utilizing front-end software to create a wall local skin, thinning a contact surface of a curtain wall keel and a wall, then introducing BIM software, utilizing BIM software self-adaption family function to create a simulated building wall model, and combining with the design requirement of installing a curtain wall, confirming the distribution of dry hanging keels and the position relation such as the distance, the angle and the like of a dry hanging panel and the wall; carrying out stress analysis on the curtain wall structure, and determining the selection of materials of the dry hanging keel and the component; and synthesizing the data information of the wall body, the keel and the panel to initially establish a BIM curtain wall model.
(2) And (3) deepening a design stage: and (4) rechecking measurement and collision detection are carried out on the dry-hanging wall surface part of the building structure, and the detection contents mainly comprise the size, the elevation, the flatness and the like of the dry-hanging wall surface. Feeding the measured actual size back to the BIM in the form of three-dimensional data, comparing, and performing collision detection and walkthrough experience of the dry-hanging module and the civil engineering structure by using BIM matched software; and modifying the model data according to the rechecking and collision results, and optimizing the model design.
(3) Modular design stage: and (3) dividing the dry hanging panel and the keel, creating a curtain wall panel family, and inserting the panel group into a BIM model to assemble the modular curtain wall dry hanging model.
Specifically, the modular design stage comprises the following steps: mesh division: on the premise of ensuring the appearance quality of the curtain wall and the permission of installation conditions, the whole dry hanging panel and the keel are divided into shapes and sizes which can be processed by materials; designing corners: specific edge closing scheme design is carried out on special positions such as internal and external corners, doors and windows, and closing connection modes are refined; creating a family of panels: confirming the connecting positions of all panels and the dry hanging component and the connecting positions of the dry hanging component and the keel in a three-dimensional data form; according to the actual size after the gridding, manufacturing a curtain wall panel group of a BIM group library by the dry hanging panel and the corresponding dry hanging member; inserting the panel group into a BIM model to build a modular curtain wall dry hanging model; as shown in fig. 2, the keel 1 in the wall 2 is divided and the corner optimization design 3 forms a grid 4. And fourthly, module and component coding: and coding the keel structure and the panel after the segmentation is finished, and inquiring the installation position information according to the coding.
(4) Digital design: deriving a dry hanging material list from the BIM model, inputting information such as codes, sizes, shapes and the like of dry hanging materials into an ERP system, and generating two-dimensional codes or bar codes corresponding to the dry hanging materials in the ERP system; the two-dimension codes correspond to the codes one by one, and the detailed resource information of the material in the enterprise library is obtained by scanning the two-dimension codes; and the installation coordinates can be accurately found according to the corresponding codes.
(5) Outputting a drawing: outputting a processing drawing of the curtain wall construction material and an installation drawing of curtain wall assembly type construction based on the completed BIM model, wherein the output drawing comprehensively considers transportation and assembly conditions, and outputting the processing drawing of the curtain wall construction material and the installation drawing of the curtain wall assembly type construction by using BIM software and CAD software, wherein the construction material mainly comprises a dry hanging keel, a component and a dry hanging panel after grid division.
S2, transmitting the BIM model and the processing drawing of the dry hanging material to a factory, formulating a corresponding production process and a corresponding production flow by the factory, and producing dry hanging keels, members and panels in batches; the processing of the dry hanging material specifically comprises all procedures of basic size and shape processing and surface treatment, and the dry hanging material can be sent to a construction site after being inspected to be qualified and directly installed without site reprocessing, so that the environmental and noise pollution is reduced. Simultaneously transmitting the coding module transmitted to the ERP system to a factory;
and S3, sequentially carrying out self-checking, transportation and distribution, product acceptance and assembly construction on the prefabricated product, wherein each process in the step S3 corresponds to the code of each module.
Specifically, after the dry hanging material is processed, a two-dimensional code or a bar code label is attached, and a printer for printing the two-dimensional code or the bar code label is connected with an ERP system, so that the label is required to correspond to a digital module finished product; after the inspection is qualified, when the vehicle is loaded and delivered from a factory, a scanner connected to the ERP equipment is used for scanning the label of each module, a delivery list is recorded, and the accuracy of processing and transportation is ensured; and after the finished products of the digital modules are transported to the site, the on-site delivery personnel uses a handheld scanner connected with the ERP system to scan the labels of each module, and delivery is confirmed.
Further, the assembly construction comprises the following steps: paying off, positioning and installing a keel; and determining the specific installation position of each module through code scanning, and finishing basic installation by referring to a dry hanging system construction process and a BIM assembly drawing.
And S4, performing engineering acceptance on the assembled product. The hung thin plate ceramic tiles are swept by the handheld device, all wooden boxes in the model are guaranteed to be installed completely and accurately, and seamless butt joint of design and construction is achieved.
Compared with the prior art, the curtain wall dry-hanging prefabricating method based on the BIM has a plurality of advantages that:
1. the scheme has strong reliability and is easy to modify
In the scheme, due to the building information sharing function of the BIM, all participants of the project can communicate in real time, the early-stage design work not only meets the design requirement, but also fully considers the possible problems in the subsequent production and construction links, and strives to solve the subsequent problems of all parties as much as possible in the initial stage of design; if the design changes, only the model data is changed, and a new design scheme can be derived.
2. Three-dimensional precision control of design, production and construction, and improvement of engineering quality
(1) The BIM is a three-dimensional entity model, a designer can clearly observe the space form of a building structure, the reasonability of structural arrangement is carefully considered, the structural detail structure characteristics are optimized, and the design accuracy can be well detected; the three-dimensional model is associated with the two-dimensional drawing, after a member is modified, corresponding size data on all the flat, vertical and cross sections can be automatically modified, the workload of repeated modification is reduced, the working efficiency is improved, omission is reduced, and meanwhile, a designer can spend most of effort on the optimal design of the drawing, so that the design quality is further improved; and repeated measurement rechecking and structural collision inspection are carried out, so that the reliability of the design scheme can be effectively ensured.
(2) And the prefabricated production is realized, and the quality is reliable. The materials required by the project in the scheme are specially designed for the project according to the BIM model information and the drawing, then are delivered to a factory for prefabrication production, are sent to a construction site after being qualified through inspection, are absolutely applicable to the project theoretically and can ensure the project quality, and the problems of mismatching or quality failure which often occur in traditional external purchase or field processing do not exist.
(3) The assembly construction is simple and easy. And the final construction link is assembly type installation, except for measurement and positioning, the operations required in the assembly process are basically anchoring and bolting, the construction difficulty is low, the assembly process is not easily influenced by human and environmental factors, and the engineering quality is extremely easy to ensure under the condition of combining an assembly drawing and a construction plan.
3. The project progress is improved, and the cost is reduced. The design drawing of this scheme is direct to be transmitted to the production department of mill, and the mill utilizes its producers, equipment operation condition advantage can realize automated production, and production efficiency is high, and the quality is controlled easily, and product inspection, rework are convenient, and material recovery rate, high-usage. After prefabrication is completed, qualified products are directly sent to a construction site, product information is marked by replacing labels with two-dimensional codes and bar-shaped codes, product acceptance and change can be fed back through a digital system, and the method is efficient and accurate; the assembly type construction is basically lossless, all the parts can be detached and reused, and the loss can be reduced to the minimum. The scheme has the advantages of playing working advantages in each stage, saving a large number of middle working links and material loss in all aspects of design, production, transportation, construction and acceptance, saving a large number of manpower and material resources and greatly shortening the construction period.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A curtain wall dry-hanging prefabricating method based on BIM is characterized by comprising the following steps:
s1, establishing a curtain wall dry hanging BIM model, exporting a processing drawing of the BIM model and a dry hanging material, coding the module, and inputting the module code into an ERP system;
s2, transmitting the processing drawing to a factory for prefabrication production and processing, and transmitting the input code of the ERP system to the factory;
s3, performing self-checking, transportation and distribution, product acceptance and assembly construction on the prefabricated product in sequence, wherein each flow in the step S3 corresponds to the code of each module;
and S4, performing engineering acceptance on the assembled product.
2. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 1, wherein the step S1 includes:
(1) a primary modeling stage: introducing BIM software to establish a building wall model by combining a construction wall plan, carrying out stress analysis on a curtain wall structure to obtain a determined dry hanging keel and a component material selection, and initially establishing a BIM curtain wall model;
(2) and (3) deepening a design stage: rechecking measurement and collision detection are carried out on the dry-hanging wall surface part of the building structure, the measured actual size is fed back to the BIM in the form of three-dimensional data for comparison, and collision detection and walk-through experience of the dry-hanging module and the civil engineering structure are carried out by utilizing BIM matched software; modifying the model data according to the rechecking and collision results, and optimizing the model design;
(3) modular design stage: dividing the dry hanging panel and the keel and creating a curtain wall panel group, and then inserting the panel group into a BIM (building information modeling) model to assemble a modular curtain wall dry hanging model;
(4) digital design: deriving a dry hanging material list from the BIM model, inputting information such as codes, sizes, shapes and the like of dry hanging materials into an ERP system, and generating two-dimensional codes or bar codes corresponding to the dry hanging materials in the ERP system; the two-dimension codes correspond to the codes one by one, and the detailed resource information of the material in the enterprise library is obtained by scanning the two-dimension codes; and the installation coordinates can be accurately found according to the corresponding codes.
(5) Outputting a drawing: and outputting a processing drawing of a curtain wall construction material and an installation drawing of curtain wall assembly type construction based on the completed BIM model, wherein the construction material mainly comprises a dry hanging keel, a member and a dry hanging panel after grid division.
3. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 2, wherein the preliminary modeling stage specifically comprises: combining a construction wall plane diagram, utilizing front-end software to create a wall local skin, thinning a contact surface of a curtain wall keel and a wall, then introducing BIM software, utilizing BIM software self-adaption family function to create a simulated building wall model, and combining with the design requirement of installing a curtain wall, confirming the distribution of dry hanging keels and the position relation such as the distance, the angle and the like of a dry hanging panel and the wall; carrying out stress analysis on the curtain wall structure, and determining the selection of materials of the dry hanging keel and the component; and synthesizing the data information of the wall body, the keel and the panel to initially establish a BIM curtain wall model.
4. The BIM-based curtain wall dry-hanging prefabrication method of claim 2, wherein in step S1, the content of the rechecking measurement and the collision detection of the building structure dry-hanging wall surface part mainly comprises the size, the elevation and the flatness of the dry-hanging wall surface.
5. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 2, wherein in the step S1, the modular design stage comprises:
mesh division: on the premise of ensuring the appearance quality of the curtain wall and the permission of installation conditions, the whole dry hanging panel and the keel are divided into shapes and sizes which can be processed by materials;
designing corners: specific edge closing scheme design is carried out on special positions such as internal and external corners, doors and windows, and closing connection modes are refined;
creating a family of panels: confirming the connecting positions of all panels and the dry hanging component and the connecting positions of the dry hanging component and the keel in a three-dimensional data form; according to the actual size after the gridding, manufacturing a curtain wall panel group of a BIM group library by the dry hanging panel and the corresponding dry hanging member; inserting the panel group into a BIM model to build a modular curtain wall dry hanging model;
and fourthly, module and component coding: and coding the keel structure and the panel after the segmentation is finished, and inquiring the installation position information according to the coding.
6. The BIM-based curtain wall dry-hang prefabrication processing method as claimed in claim 2, wherein in the step S1, a drawing is output, transportation and assembly conditions are comprehensively considered, and a processing drawing of curtain wall construction materials and an installation drawing of curtain wall assembly type construction are output by using BIM software in combination with CAD software.
7. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 1, wherein in the step S2, the BIM model and the material processing drawing are transmitted to a factory, the factory makes corresponding production processes and production flows, and dry-hanging keels, members and panels are produced in batches; the processing of the dry hanging material comprises all procedures of basic size and shape processing and surface treatment, the dry hanging material can be sent to a construction site after being checked to be qualified, the dry hanging material can be directly installed, the site reprocessing at the construction site is not needed, and the environmental and noise pollution is reduced.
8. The BIM-based curtain wall dry-hanging prefabrication processing method as claimed in claim 2, wherein in step S3, after the dry-hanging material is processed, a two-dimensional code or a bar code label is attached, and a printer for printing the two-dimensional code or the bar code label is connected to an ERP system, so that the label must correspond to a finished product of a digital module; after the inspection is qualified, when the vehicle is loaded and delivered from a factory, a scanner connected to the ERP equipment is used for scanning the label of each module, a delivery list is recorded, and the accuracy of processing and transportation is ensured; and after the finished products of the digital modules are transported to the site, the on-site delivery personnel uses a handheld scanner connected with the ERP system to scan the labels of each module, and delivery is confirmed.
9. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 1, wherein in the step S3, the assembly type construction step comprises: paying off, positioning and installing a keel; and determining the specific installation position of each module through code scanning, and finishing basic installation by referring to a dry hanging system construction process and a BIM assembly drawing.
10. The BIM-based curtain wall dry-hanging prefabrication processing method of claim 1, wherein in the step S4, the hung thin plate ceramic tiles are subjected to code scanning through a handheld device, so that all wooden boxes in the model are ensured to be installed completely and accurately, and seamless butt joint of design and construction is realized.
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