Special-shaped curtain wall three-unification collaborative management platform system based on BIM (Building Information Modeling)

Abstract

The invention belongs to the technical field of building curtain wall engineering, and particularly relates to a BIM-based special-shaped curtain wall three-unified collaborative management platform system, which comprises a BIM + three-unified management platform, the BIM + three-unified management platform comprises an input end and an output end, the input end comprises a business management module and a project information management auxiliary module, and the output end comprises a business management module and a project information management auxiliary module. The business management module comprises a project general situation module, a unified measurement and setting-out module, a unified deepening design module, a unified material ordering module and a version comparison module; the project information management auxiliary module comprises a BIM model management module, a project document management module and a project information management module; data algorithms in the business management module and the project information management auxiliary module are both constrained by data classification rules; the output end comprises a display platform; the method has the effect of getting twofold results with half the effort on a special-shaped curtain wall. Measurement setting-out, deepened design and material ordering behaviors of main bodies such as a BIM center, a design institute, a processing plant and a project department are coordinated and integrated.

Description

Technical Field

[0001] The present invention belongs to the technical field of building curtain wall engineering, and in particular relates to a BIM-based three-in-one collaborative management platform system for special-shaped curtain walls. Background Art

[0002] There are many factors involved in construction. To complete a qualified or even excellent single project, we must start from the unit project, division (sub-division), sub-item (sub-sub-item) project and even the inspection batch, grasp the various parties involved in the construction, and grasp the specific behaviors of these parties. Regardless of the size of the subject, we must sort out and control it; and for the behavior of the subject, we must focus on the big and let go of the small, gradually deepen and refine, and finally achieve comprehensive control.

[0003] The "three unifications" of special-shaped curtain walls refer to the use of CAD and other two-dimensional tools to unify the measurement and layout, in-depth design, and material ordering of special-shaped curtain wall construction projects by designated departments. This is a management method to improve the efficiency of human operations in key links. This simple connection of isolated disciplines using two-dimensional tools makes the "three unifications" just a linear quality control method.

[0004] "Three Unifications" of Special-shaped Curtain Walls Based on BIM: With the upgrading of industry technology, BIM has become the most suitable tool for solving the construction of special-shaped curtain walls and special-shaped buildings. And the upgrading of technology is bound to drive the upgrading of management. The unified in-depth design, unified measurement and layout, and unified material ordering based on the BIM model are a quality control method supported by BIM technology. This BIM technology links various disciplines together, making "BIM + Three Unifications" a systematic quality control method.

[0005] The "three unifications" collaborative working method of special-shaped curtain walls based on BIM: On the collaborative platform, with the project BIM model as the core, and in-depth design, measurement and layout, and material ordering as the three major grasping points, the design, production, construction and other behavioral traces of the special-shaped curtain wall project in the entire life cycle are integrated; at the same time, a mobile phone APP function is provided to facilitate the application scenarios of mobile terminals. This collaborative platform can coordinate the behaviors of construction-related participants, making the "BIM+three unifications" a systematic management and control method. Summary of the invention

[0006] The purpose of the present invention is to provide a BIM-based three-in-one collaborative management platform system for special-shaped curtain walls, and to use the system to provide a collaborative working method, which has a multiplier effect on special-shaped curtain walls. It coordinates and integrates the measurement and layout, in-depth design and material ordering behaviors of the BIM center, design institute, processing plant and project department.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is: A BIM-based special-shaped curtain wall three-in-one collaborative management platform system includes a BIM+three-in-one management platform, wherein the BIM+three-in-one management platform includes an input end and an output end, wherein the input end includes a business management module and a project information management auxiliary module, wherein the business management module includes a project overview module, a unified measurement and layout module, a unified in-depth design module, a unified material order module and a version comparison module; the project information management auxiliary module includes a BIM model management module, a project document management module and a project information management module; the data algorithms in the business management module and the project information management auxiliary module are constrained by data classification rules; the output end includes a display platform; the unified measurement and layout module measures the front-end process entity of the curtain wall to obtain a point cloud model, and The measurement results are attached to the corresponding position of the BIM model management module of the special-shaped curtain wall; the unified in-depth design module adopts a two-way interactive unified in-depth method for the point cloud model obtained by the measurement and unified layout module, that is, entity-to-model reverse modeling and model-to-model forward design, or collides the three-dimensional coordinates of the key points obtained by the unified measurement and layout module. If a collision occurs with the overall model, it is necessary to adjust the curtain wall design or correct the construction deviation of the previous process; if there is no collision with the overall model, enter the curtain wall optimization and attach the in-depth design results to the corresponding position of the BIM model of the special-shaped curtain wall; the unified material ordering adopts a dual-integrated unified material cutting method, that is, component unitization and BIM model cloud solidification; and the ordering results are attached to the corresponding position of the BIM model of the special-shaped curtain wall.

[0008] Furthermore, the BIM model management module is used to create new projects and belongs to the interface operation module on the platform; the project document management module is for system administrator privileges and belongs to the background support module; the project information management module is for system administrator privileges and belongs to the background support module.

[0009] Furthermore, the unified measurement and layout module adopts a unified measurement method of complementary points and surfaces, where the surface refers to a point cloud model obtained by a comprehensive scan using a 3D scanner, recorded as path one; the point refers to a measurement model obtained by scanning with a total station + a local 3D scanner, recorded as path two.

[0010] Furthermore, the reverse modeling refers to wrapping the structural point cloud model of the previous process obtained by the measurement and layout module with the Rhino minimum bounding box to restore the physical BIM model of the previous process; the forward design refers to directly completing the model creation of the next process - curtain wall based on the structural BIM model of the previous process obtained by reverse modeling, which is divided into curtain wall panel forward design and curtain wall keel forward design.

[0011] Furthermore, the unitized construction is to complete the BIM model of the curtain wall keel of the in-depth design, and combine it into four by four again, that is, four columns of curtain wall main keels and four rows of curtain wall secondary keels are combined together as a unit component; the unified material ordering module shall issue two drawings: a processing drawing of each keel and each panel, that is, a parts drawing; and a processing drawing of each unit component, that is, an assembly drawing.

[0012] The present invention has the advantages that: 1. "BIM+ three unifications" optimizes the business process of decoration engineering, making the collaborative work method achieve twice the result with half the effort and improving management efficiency by 50%; in the unified measurement of "point-surface complementarity", the selection of measurement tools such as 3D scanners or total stations is flexible and boundless. There is no absolute boundary between "point" and "surface". Grasping the rooting point and key points of the curtain wall to meet the needs of in-depth design is enough; in the unified in-depth design of "two-way interaction", the structural point cloud model obtained by measurement is technically processed to obtain the structural BIM model, which is the reverse process of "entity-model"; in this structural BIM model Based on the model, the curtain wall design is completed directly, that is, the forward process of "model-model", and the control degree of the irregular shape of the construction is 100%; in the unified cutting of "double integration", the unitization of components is the premise of factory processing, and the solidification of the model ensures the effective sharing of BIM; the unit component size formed by the "four-four combination" is generally suitable for production processes such as processing, transportation, and storage, which can effectively reduce transportation costs, and the spatial positioning points (places) only account for 3.14% of the traditional practice; the "cloud solidification" of the model is relative. If there are factors such as design changes, the model can be adjusted according to the management process and management authority; 2. In the forward design of the (ellipsoid) shaped curtain wall panel of "six-step division and three-time shaping", the (ellipsoid) is divided into spherical pyramids at both ends and a waist drum in the middle; cutting six petals reduces the panel specifications by more than 70%; the most disadvantageous is the unequal-sided ellipsoid, the spherical pyramid bases of the hemisphere are symmetrical in pairs, and the entire ellipsoid has the specifications of 6 spherical pyramid bases; the most advantageous is the sphere, the 12 spherical pyramid bases are fully symmetrical, and the entire sphere has only the panel specifications within the bottom of 1 spherical pyramid; the spherical pyramid bases of other spheres can be controlled within the range of 1 to 6 times; filling triangles, controlling vertex angles, The curtain wall construction efficiency can be increased by 85% by dividing the waistline and forming a regular five. The triangular grid is easier to fit the sphere with a flat plate than the pentagonal + hexagonal football grid. The top and bottom angles of each spherical pyramid bottom are controlled, from equilateral triangles to equilateral right triangles, and the angles are always controlled within 45° to 60°, which is the most suitable range for glass processing and aluminum plate cutting. The overall panel grid size distribution is concentrated, and there will be no small pieces, narrow strips and other fragments. The three-stage finalization is a continuous correction process for the grid, and it is also a process of selecting the curtain wall effect and the optimal design of the panel. 3. The "version comparison" of the collaborative platform uses data traces to show the responsibility of behavior, so that the behavior of the collaborative work method is controlled and visible, shortening the management chain. Whoever uses the BIM model shall review it; the traceability of the model version makes the responsibility transfer rate of each link of the project reach 100%. The version comparison function solves the problem of iteration of construction drawings in a targeted manner. The platform has the functions of storage and process recording. The design team puts the updated drawings into a third-party data storage platform, which is convenient for the project team to quickly check the update status of the drawings. Compared with file storage functions such as chat groups, it is more rigorous; after the model is solidified, all parties involved in the project can understand the progress of the model in real time and call the model according to different needs. The traceability of all participating behaviors reaches 100%; 4. The transition from the quality control method of “three unifications” to the collaborative working method of the “BIM+three unifications” platform is a step forward from linear technology to systematic management, and can be further expanded to “BIM+”. The collaborative working method of “BIM+three unifications” carries simple elements, handles problems in a targeted manner, has a small and light platform, and requires low operating costs. The expansion of “BIM+” does not require the reconstruction of the management platform, and the expansion of project carriers. Collaborative projects can be decorative sub-divisions such as doors and windows, and suspended ceilings, and can also be applied to main structure sub-divisions such as steel structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the management framework diagram of the "BIM+three unifications" collaborative working method of the present invention.

[0014] Figure 2 It is a management architecture diagram of the "BIM+" collaborative work method expanded by the present invention.

[0015] Figure 3 It is the workflow diagram of the "BIM+three unifications" collaborative working method of the present invention.

[0016] Figure 4 It is the technical framework diagram of the "BIM+three unifications" collaborative platform.

[0017] Figure 5 It is a relationship diagram between data classification rules and business management modules and project information management auxiliary modules.

[0018] Figure 6 This is a schematic diagram of the station setting criteria when measuring the "surface" by complementary points and surfaces.

[0019] Figure 7 This is a diagram showing how to create the minimum bounding box during reverse modeling.

[0020] Figure 8 This is a schematic diagram of the rooting position of the keel during reverse modeling.

[0021] Fig. 9It is a comparison between the reverse model of the large circular tube and the on-site steel structure during reverse modeling.

[0022] Fig.10 This is a six-step grid diagram for forward design of curtain wall panels, taking the (ellipsoidal) spherical curtain wall as an example. DETAILED DESCRIPTION Example

[0023] A BIM-based special-shaped curtain wall three-in-one collaborative management platform system includes a BIM+three-in-one management platform, wherein the BIM+three-in-one management platform includes an input end and an output end, wherein the input end includes a business management module and a project information management auxiliary module, wherein the business management module includes a project overview module, a unified measurement and layout module, a unified in-depth design module, a unified material order module and a version comparison module; the project information management auxiliary module includes a BIM model management module, a project document management module and a project information management module; the data algorithms in the business management module and the project information management auxiliary module are constrained by data classification rules; the output end includes a display platform; the unified measurement and layout module measures the front-end process entity of the curtain wall to obtain a point cloud model, and The measurement results are attached to the corresponding position of the BIM model management module of the special-shaped curtain wall; the unified in-depth design module adopts a two-way interactive unified in-depth method for the point cloud model obtained by the measurement and unified layout module, that is, entity-to-model reverse modeling and model-to-model forward design, or collides the three-dimensional coordinates of the key points obtained by the unified measurement and layout module. If a collision occurs with the overall model, it is necessary to adjust the curtain wall design or correct the construction deviation of the previous process; if there is no collision with the overall model, enter the curtain wall optimization and attach the in-depth design results to the corresponding position of the BIM model of the special-shaped curtain wall; the unified material ordering adopts a dual-integrated unified material cutting method, that is, component unitization and BIM model cloud solidification; and the ordering results are attached to the corresponding position of the BIM model of the special-shaped curtain wall.

[0024] Furthermore, the BIM model management module is used to create new projects and belongs to the interface operation module on the platform; the project document management module is for system administrator privileges and belongs to the background support module; the project information management module is for system administrator privileges and belongs to the background support module.

[0025] Furthermore, the unified measurement and layout module adopts a unified measurement method of complementary points and surfaces, where the surface refers to a point cloud model obtained by a comprehensive scan using a 3D scanner, recorded as path one; the point refers to a measurement model obtained by scanning with a total station + a local 3D scanner, recorded as path two.

[0026] Furthermore, the reverse modeling refers to wrapping the structural point cloud model of the previous process obtained by the measurement and layout module with the Rhino minimum bounding box to restore the physical BIM model of the previous process; the forward design refers to directly completing the model creation of the next process - curtain wall based on the structural BIM model of the previous process obtained by reverse modeling, which is divided into curtain wall panel forward design and curtain wall keel forward design.

[0027] Furthermore, the unitized construction is to complete the BIM model of the curtain wall keel of the in-depth design, and combine it into four by four again, that is, four columns of curtain wall main keels and four rows of curtain wall secondary keels are combined together as a unit component; the unified material ordering module shall issue two drawings: a processing drawing of each keel and each panel, that is, a parts drawing; and a processing drawing of each unit component, that is, an assembly drawing.

[0028] Application Examples The key point of the present invention is to build a collaborative platform. On this collaborative platform, the "BIM+three unifications" technology of "point-surface complementarity" unified measurement, "two-way interaction" unified in-depth design and "double integration" unified cutting is used to complete the three main construction links of measurement and layout, in-depth design and cutting of special-shaped curtain walls, and the construction process is updated, displayed and controlled at all times, so as to ensure the first-time excellence through project process control and realize the rapid construction of the project.

[0029] 1.1 Platform Construction The technical framework of the "BIM+Three Unifications" collaborative platform, such as Figure 4 The data layer is the core of the collaborative platform, including data classification rules and business process workflow. JavaScript & PHP are used to implement data layer functions, where JavaScript is a client-side scripting language and PHP is a server-side scripting language.

[0030] 1. Data classification rules The data is divided into three categories: one is process optimization; the second is "BIM+three unifications"; and the third is version tracking.

[0031] (1) Process optimization The basis for optimization is the enterprise management system, including organizational structure, job authority, and personnel authority.

[0032] Classification rules: In the whole process management of construction projects, the main responsibilities and rights that different participants should bear in the project are divided, and their operating permissions on the platform are set.

[0033] (2) BIM+Three Unifications Identify, circulate and manage operational data related to "BIM+Three Unifications" to achieve management and control from data sharing to business sharing.

[0034] Classification rules: The measurement and layout module, in-depth design module and material ordering module form a double loop, which means that each module can operate independently or be linked together to operate in the "BIM+three unifications".

[0035] (3) Version tracking Version tracking enables the traceability of technical achievements and the quality of subject behavior, that is, the version comparison function.

[0036] Classification rules: The model can be based on the building unit, and can select the profession, floor, and partition to set the solidified space nodes; it can also set the solidified time nodes according to the design changes and scheme changes.

[0037] 2. Business process workflow The business process workflow is divided into business management module and project information management module.

[0038] The business management module includes five modules: project overview, surveying and layout, in-depth design, material ordering, and version comparison. Please see 1.2 for details.

[0039] The project information management auxiliary module is an auxiliary module for the normal operation of the collaborative platform, including three modules: BIM model management, project document management, and project information management.

[0040] (1) BIM model management module This module is used to create new projects and belongs to the interface operation module on the platform.

[0041] Functions include: creating geographic information of the project; switching between 3D models and 2D effects; business information of main materials and labor; selection of project organizational structure; selection of enterprise standard library, etc.

[0042] (2) Project document management module This module is for system administrators and is a background support module.

[0043] Function: Record the operator's operations on a certain project, including error log records, mainly used to identify process quality traceability.

[0044] (3) Project information management module This module is for system administrators and is a background support module.

[0045] Functions: logical construction of enterprise organizational structure and establishment of enterprise standard library, showing the subordinate relationship between head office, branches and personnel in the form of organizational structure tree.

[0046] 1.2 Collaborative work The workflow of “BIM+Three Unifications” collaborative work method is attached. Figure 3 .

[0047] 1. Log in to the platform Open the collaborative platform, enter your account password, and log in to the "BIM+Three Unifications" platform.

[0048] 2. Create a project (1) Click [New Project], fill in the project overview, and click [Submit] when completed.

[0049] (2) Enter the [Business Management Module] on the project page.

[0050] When the project overview is [New Project], it will be automatically generated after filling in; measurement and layout, in-depth design, and material ordering correspond to the completion of the "BIM+three unifications" operations of unified measurement and layout, unified in-depth design, and unified material ordering; version comparison is automatically generated during the "three unifications" operation process.

[0051] 3. Unified measurement and layout Measure the entities of the front process of the curtain wall, and hang the measurement results on the corresponding positions of the special-shaped curtain wall BIM model.

[0052] "Point-surface complementary" unified measurement method. "Surface" refers to the point cloud model obtained by comprehensive scanning with a 3D scanner, recorded as path one; "point" refers to the measurement model obtained by using a total station dot + local 3D scanner scanning, recorded as path two.

[0053] (1) Path 1: “Surface” Applicable scenarios: No external scaffolding is set up or there are no external obstacles, and a 3D scanner site can be set up.

[0054] Station setting criteria: When scanning on the outside of a building, the overlap rate of two adjacent stations shall not be less than 1 meter; when scanning on the inside of a building, the number of stations shall be 20% of the outside; the scanning area of ​​each station shall not exceed 200m 2 .

[0055] Scanning results: Veesus Arena4D for Rhino was used to directly import the 3D scanned point cloud model into the Rhino model without the need for thinning.

[0056] Features of Path 1: 1) The data of the point cloud model is detailed, but the workload of data processing such as denoising and filling in points is large; 2) Directly use the point cloud model to eliminate the construction deviation of the previous process in the curtain wall design stage of the subsequent process, reducing the difficulty of on-site management; 3) Two-dimensional design and three-dimensional BIM are carried out simultaneously, which requires high skills of operators.

[0057] (2) Path 2: “Point” Applicable scenarios: In the architectural design stage, the BIM models of building structure, steel structure, curtain wall, etc. are complete, which facilitates the integration of structure and curtain wall models.

[0058] The principle of "marking points": In the structural model, the two axes of a certain building section are connected to locate the end points, and the key points such as the point farthest from the structure, the turning point of the structure, and the turning point are verified on site using a total station.

[0059] "Point" result: In the overall model, import the three-dimensional coordinates of the key points to check whether the construction entity of the previous process collides with the curtain wall model. If so, the curtain wall model as the subsequent process must be adjusted until the allowable error of the previous process construction is eliminated.

[0060] Advantages of Path 2: 1) There are fewer steps involved, less workload, and faster preliminary preparation; 2) Directly transfer the architectural design model to the downstream process, and only check the physical quality of the upstream process. Spot checks require high management of on-site construction; 3) The separation of two-dimensional design and three-dimensional BIM operation reduces the skills required of operators.

[0061] 4. Unified and in-depth design Unified in-depth design is the technical core and control core of "BIM+three unifications", corresponding to the previous process "Uniform measurement" is also divided into two technical processing paths; and the in-depth design results are hung on the corresponding position of the BIM model of the special-shaped curtain wall.

[0062] (1) Path 1 For the point cloud model obtained by the measurement and layout module, a unified deepening method of "two-way interaction" is adopted, namely, "entity-model" reverse modeling and "model-model" forward design.

[0063] 1) Reverse modeling refers to wrapping the structural point cloud model obtained by the measurement and layout module in the previous process with the Rhino minimum bounding box to restore the entity BIM model of the previous process. This is a reverse operation from entity to model.

[0064] Reverse modeling follows three principles. The first is result-oriented thinking. Reverse modeling does not require full-detail, high-precision reproduction of the on-site structure. The rooting position of the curtain wall keel is the key point of reverse modeling, and the restoration accuracy must be high.

[0065] The second is reverse deduction thinking. When point cloud data is missing or insufficient, the position of the outer surface can be reversed through the physical size of the structure shape and the minimum bounding box connecting the two ends of the missing point.

[0066] The third is the segmented integration thinking. When the point cloud data interruption occurs on the arc-shaped tube, the minimum bounding box is created segment by segment within 500mm at both ends of the missing segment, and fitted into a smooth curve as the control curve for restoring the on-site circular tube.

[0067] 2) Forward design refers to the direct completion of the model creation of the next process - curtain wall based on the BIM model of the previous process structure obtained by reverse modeling. It is divided into curtain wall panel forward design and curtain wall keel forward design. This is a forward operation from model to model.

[0068] Take the (ellipsoidal) spherical curtain wall as an example.

[0069] Forward design of curtain wall panels. On the reverse-generated front-end BIM model, Rhino parametrically draws out an ellipsoid, and the bottom surface of the spherical pyramid of the ellipsoid is the curtain wall surface.

[0070] Step 1: Cut six petals. Divide the epidermis model into six equal parts along the meridian of the (ellipsoid); then divide it into six equal parts along the latitude. Split the sphere in half to obtain twelve spherical pyramids.

[0071] Step 2: Fill in triangles. On the bottom surface of each spherical pyramid, fill in triangles parameterizedly.

[0072] Step 3: Control the vertex angle. In each spherical pyramid, when the upper vertex angle is an equilateral triangle and the lower vertex angle is an equilateral right triangle, determine the latitude line at this time as the cutting line. For the part above the cutting line, perform a through correction on the side line of the bottom triangle of the spherical pyramid, which is the first shaping.

[0073] Step 4: Divide the waistline. Set the latitude line used in the “vertical angle control” cutting as the waistline; form a drum-shaped surface between the two waistlines of the upper and lower hemispheres, and fill it with triangles in equal parts.

[0074] Step 5: Form a regular pentagon. When the junction of the bases and waistlines of two adjacent spherical pyramids is surrounded by grid triangles to form a regular pentagon, the second shaping can be done.

[0075] During the shaping process, the correction principle is that all the triangular edges of the bottom surface of the spherical pyramid are connected.

[0076] Step 6: Grid division. Parametrically divide all spherical pyramids, i.e., three-time shaping. During the shaping process, the intersection of the triangle edges in the entire (ellipsoid) sphere is used as the correction principle.

[0077] Forward design of curtain wall keels. The curtain wall keels are attached to the structural BIM model. List the curtain wall keel model. According to the principle of "breakpoint reconnection" in ZL 202211662821.2 "A BIM-based installation control method for Chinese-style diamond-patterned lattice curtain wall", straight lines are used instead of arcs to form the unit of the keel.

[0078] (2) Path 2 If the three-dimensional coordinates of the key "points" obtained by the measurement and layout module collide with the overall model, it is necessary to adjust the curtain wall design or correct the construction deviation of the previous process; if there is no collision with the overall model, the curtain wall optimization process will be started.

[0079] The optimization steps are divided into optimizing curtain wall panels and optimizing curtain wall keels. The optimization principles are the same as the forward design of path one.

[0080] 5. Unify material orders A unified material cutting method of "double integration" is adopted, that is, component unitization and BIM model solidification in the cloud; and the order results are hung on the corresponding position of the BIM model of the special-shaped curtain wall.

[0081] (1) Component unitization For the curtain wall keel BIM model that has completed the in-depth design, the "four-by-four combination" is again carried out, that is, four columns of curtain wall main keels and four rows of curtain wall secondary keels are combined together as a unit component.

[0082] When placing an order for materials, two drawings must be provided: a processing drawing of each keel and each panel, i.e. a parts drawing; Issue a processing drawing, i.e., assembly drawing, for each unit component.

[0083] (2) BIM cloud solidification BIM model is the core medium for the operation of "three unifications". Before solidification, the handling of key issues such as design changes and collisions must be reviewed. The model review adopts a three-review system, namely handover review, drawing review and order review: handover review refers to the review before professional handover; drawing review refers to the review before the BIM model is exported to the CAD blueprint; order review refers to the review before the material list is sent to the factory.

[0084] After review, save and upload to the "BIM+Three Unifications" collaborative platform. Each upload is a solidification of the model.

[0085] 6. Version comparison The collaborative platform achieves the accuracy and homology of design results by preserving data tracks.

[0086] (1) Platform display On the platform, you can roam, slice, measure, hide, and perform other operations on the BIM model, and view the model's processing size data, number, material, and other information.

[0087] 1) The platform records the model solidification in categories, i.e. versions. “Version comparison” allows the design process to be stored and updated stably, and the implementation process can be searched quickly without the need to compare multiple images, i.e. data homology.

[0088] 2) Mark the material ordering, processing, production and installation progress, and authorize project personnel to view the construction and production progress in real time, that is, management visualization.

[0089] 3) The online storage of each project model can also be used as a summary of the company's performance, that is, display window.

[0090] (2) Mobile APP Select the model on the mobile terminal, check and complete the "tasks to be initiated by me" and "tasks to be reviewed by me" in the "three unifications" process, and the information will be synchronized with the platform at all times.

[0091] 7. Log out.

[0092] The present invention provides a "three-in-one" collaborative working method for special-shaped curtain walls based on BIM technology, which makes the lines of construction management simple and effective, and the construction of special-shaped curtain walls orderly. It can be extended to decorative ground, door and window sub-division projects, and can also be expanded to sub-division projects such as steel structures of main structures. The method can flexibly and efficiently coordinate the behaviors of relevant parties involved in the project construction to ensure the high-quality and rapid construction of the project; the working object of each participating subject is the BIM model; each participating subject completes the coordination of the event of the special-shaped curtain wall; the management behavior of each participating subject is visualized; the behavior results of each participating subject can be quantified; the coordination process of each participating subject can be monitored; and the coordination results of each construction subject can be transmitted.

Claims

1. A BIM-based three-in-one collaborative management platform system for special-shaped curtain walls, characterized by: It includes BIM+ three unified management platforms, and the BIM+ three unified management platforms include input and output ends. The input end includes business management module and project information management auxiliary module. The business management module includes project overview module, unified measurement and layout module, unified in-depth design module, unified material order module and version comparison module; the project information management auxiliary module includes BIM model management module, project document management module and project information management module; the data algorithms in the business management module and the project information management auxiliary module are constrained by data classification rules; the output end includes a display platform; the unified measurement and layout module measures the front-end entity of the curtain wall to obtain a point cloud model, and hangs the measurement results on the special-shaped curtain wall The corresponding position of the BIM model management module; the unified in-depth design module adopts a two-way interactive unified in-depth method for the point cloud model obtained by the unified measurement and layout module, that is, reverse modeling of entity-model and forward design of model-model, or collides the three-dimensional coordinates of the key points obtained by the unified measurement and layout module. If a collision occurs with the overall model, it is necessary to adjust the curtain wall design or correct the construction deviation of the previous process; if there is no collision with the overall model, enter the curtain wall optimization and hang the in-depth design results at the corresponding position of the BIM model of the special-shaped curtain wall; the unified material ordering adopts a dual-integrated unified material cutting method, that is, component unitization and BIM model cloud solidification; and the ordering results are hung at the corresponding position of the BIM model of the special-shaped curtain wall.

2. The BIM-based three-in-one collaborative management platform system for special-shaped curtain walls according to claim 1, characterized in that: The BIM model management module is used to create new projects and belongs to the interface operation module on the platform; the project document management module is the system administrator's authority and belongs to the background support module; The project information management module is for system administrators and is a backend support module.

3. The BIM-based special-shaped curtain wall three-in-one collaborative management platform system according to claim 1, characterized in that: The unified measurement and layout module adopts a unified measurement method of complementary points and surfaces. The surface refers to a point cloud model obtained by comprehensive scanning using a 3D scanner, recorded as path one; the point refers to a measurement model obtained by scanning with a total station + a local 3D scanner, recorded as path two.

4. The BIM-based three-in-one collaborative management platform system for special-shaped curtain walls according to claim 1, characterized in that: The reverse modeling refers to wrapping the structural point cloud model of the previous process obtained by the measurement and layout module with the Rhino minimum bounding box to restore the physical BIM model of the previous process; the forward design refers to directly completing the model creation of the next process - curtain wall based on the structural BIM model of the previous process obtained by reverse modeling, which is divided into curtain wall panel forward design and curtain wall keel forward design.

5. The BIM-based three-in-one collaborative management platform system for special-shaped curtain walls according to claim 1, characterized in that: The unitized construction is to complete the BIM model of the curtain wall keel of the in-depth design, and then combine it into four by four, that is, four columns of curtain wall main keels and four rows of curtain wall secondary keels are combined together as a unit component; the unified material ordering module shall issue two drawings: a processing drawing of each keel and each panel, that is, a parts drawing; and a processing drawing of each unit component, that is, an assembly drawing.

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