A method for iterative evolution of multimodal design results based on virtual construction

Abstract

This invention discloses an iterative evolution method for multimodal design outcomes based on virtual construction, comprising the following steps: Step 1: Standardizing and modularizing the design outcomes; Step 2: Establishing a virtual construction environment and creating corresponding virtual scenes based on the modularized design outcomes; Step 3: Importing 2D and 3D preliminary design outcomes into the virtual construction environment; Step 4: Iteratively evolving the preliminary design outcomes based on simulation results to form detailed design outcomes; Step 5: Iteratively evolving the detailed design outcomes based on simulation results to form refined design outcomes; Step 6: Iteratively evolving the refined design outcomes based on simulation results; Step 7: Integrating all the modular virtual scenes established in Step 6 to simulate the overall design outcome scheme, construction progress, materials and construction processes, and temporary facility planning at the construction site. This invention's iterative evolution method for multimodal design outcomes based on virtual construction not only improves the efficiency of design work but also enhances the participation of owners and other stakeholders by providing a more intuitive and immersive experience, thus playing a significant role in the design and creative industries.

Description

Technical Field

[0001] This invention relates to the field of virtual construction application technology, and in particular to a method for iterative evolution of multimodal design results based on virtual construction. Background Technology

[0002] The development of virtual construction technology is continuously driving progress in the design and creative industries. It not only improves the efficiency of design work but also provides users with a more intuitive and immersive experience. By combining two-dimensional and three-dimensional design results and utilizing virtual reality and other means, virtual construction technology provides better support for the multimodal presentation of design outcomes. Virtual construction technology, often combined with Building Information Modeling (BIM) technology, represents a revolutionary advancement in the design and creative industries. It offers a completely new way of designing, analyzing, and communicating by creating and simulating three-dimensional digital models of architectural or engineering projects. Traditional design primarily relies on two-dimensional drawings, which has limitations in expressing complex structures and spatial relationships and is difficult for non-professionals to understand.

[0003] The information disclosed in this background section is intended only to enhance the understanding of the general background of the invention and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0004] In view of the problems existing in the prior art, the purpose of this invention is to provide a method for iterative evolution of multimodal design results based on virtual construction, so as to realize the gradual iteration and optimization from two-dimensional design drawings to a six-dimensional information model through the method for iterative evolution of multimodal design results based on virtual construction.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A method for iterative evolution of multimodal design results based on virtual construction includes the following steps:

[0007] Step 1: Standardize and modularize the design deliverables; the design deliverables include drawings and BIM models involved in the design planning stage, preliminary design stage, detailed design stage, and in-depth design stage; standardization means that the scale, line type and line width, symbols and legends, material labeling, annotations and explanations of the two-dimensional and three-dimensional design deliverables follow unified regulations; modularization means that the two-dimensional and three-dimensional design deliverables are divided into one-to-one corresponding modules by slicing, so as to realize the information addition from two-dimensional to six-dimensional, and to establish the iterative evolution relationship of six-dimensional to three-dimensional design deliverables on the basis of two-dimensional design deliverables;

[0008] Step 2: Establish a virtual construction environment and create corresponding virtual scenes based on the modular design results; the virtual construction environment is an integrated space that includes all virtual module scenes;

[0009] Step 3: Import the 2D and 3D preliminary design results into the virtual construction environment; the 2D preliminary design results are design drawings; the 3D preliminary design results are the BIM model corresponding to the design drawings; the 2D and 3D design results are imported into the corresponding virtual scene by module, and the scheme simulation is performed.

[0010] Step 4: Iteratively refine the preliminary design results based on the simulation results to form detailed design results; add time dimension information to the detailed design results, import the corresponding four-dimensional virtual scenes according to modules, and simulate the construction progress.

[0011] Step 5: Iteratively refine the detailed design results based on the simulation results to form a detailed design result; the detailed design result adds cost dimension information, imports the corresponding five-dimensional virtual scene according to the module, and performs material and construction process simulation.

[0012] Step 6: Iteratively refine the design results based on the simulation results; the refined design results add environmental and safety dimension information, import the corresponding six-dimensional virtual scenes according to modules, and conduct planning simulation of temporary facilities at the construction site; the six-dimensional virtual scenes integrate GIS model data;

[0013] Step 7: Integrate all the modular virtual scenes established in Step 6, and simulate the overall design scheme, construction progress, materials and construction technology, and temporary facilities planning of the construction site; the simulation is a multimodal design result cyclic simulation; the design result is a two-dimensional design result that is iteratively generated based on the simulation results.

[0014] Further: The standardization and modularization of the design deliverables in Step 1 are achieved through the following steps:

[0015] Step 1.1: Establish a unified coding standard: Ensure that 2D drawings and 3D models use the same coding and naming rules to facilitate identification and association;

[0016] Step 1.2: Establish a unified data dictionary: Ensure that the data expressions in the relevant materials of two-dimensional drawings, three-dimensional models, construction technology, and construction scheme design results have the same meaning, so as to facilitate the association and iteration of two-dimensional to six-dimensional scene modules;

[0017] Step 1.3: Use the modular function of BIM software to create reusable modular units based on 2D drawings, and be able to reverse-engineer and generate corresponding 2D drawings;

[0018] Step 1.4: Parametric and information-based modular unit components, enabling simultaneous updates of all views and drawings when a single component is modified;

[0019] Step 1.5: Linking 2D and 3D modules. In the virtual construction system, synchronize the information of 2D planar modules and 3D spatial modules. Through the 2D and 3D linkage method, realize the visualization of 2D and 3D module linkage. For example, clicking on the 2D drawing module can locate the corresponding 3D model module and highlight it, and vice versa.

[0020] Further: Step 2 is implemented through the following steps:

[0021] Step 2.1: Utilize a virtual construction platform to establish collaborative project management;

[0022] Step 2.2: In the virtual project, build virtual module scenarios, with each module scenario corresponding to the standardized modules divided in Step 1;

[0023] Step 2.3: Integrate 2D and 3D models, schedule, cost, environmental and safety information to build an integrated space that includes all virtual module scenarios;

[0024] Step 2.4: Virtual scene linkage. Through cross-scene association of 2D and 3D modules within a virtual scene, the linkage of 2D and 3D modules within each virtual scene is realized. For example, if the 3D model in sub-scene 1 changes, the corresponding modules in other scenes involving that 3D model will change synchronously.

[0025] Further: Steps 3, 4, 5, and 6 are implemented through the following steps:

[0026] Step 3.1: Import the 2D and 3D design results of each stage by module;

[0027] Step 3.2: Import virtual scene linkage into each module;

[0028] Step 3.3: Simulation of each module's scenarios;

[0029] Step 3.4: Refine the 3D design results based on the simulation results;

[0030] Step 3.5: Generate, export, refine, and modularize the 2D design results;

[0031] Step 3.6: Repeat steps 3.1-3.5 until the next stage of two-dimensional and three-dimensional design results are formed.

[0032] Further: Step 7 is implemented through the following steps:

[0033] Step 7.1: Import the final 2D / 3D design results generated in Step 6;

[0034] Step 7.2: In the integrated virtual construction scenario, simulate the overall design results, construction progress, materials and construction technology, and temporary facilities planning at the construction site in sequence;

[0035] Step 7.3: Make local adjustments based on the simulation results and locate the corresponding scene module, then repeat steps 3.3 and 3.4;

[0036] Step 7.4: Refining and exporting the 3D design results;

[0037] Step 7.5: Repeat steps 7.1-7.4 until the simulation results of the scheme, construction schedule, materials and construction process, and temporary facilities planning simulation at the construction site are approved.

[0038] By adopting the above technical solution, the present invention has the following beneficial effects:

[0039] This invention, based on a multimodal design outcome iterative evolution method using virtual construction, not only improves the efficiency of design work but also enhances the participation of owners and other stakeholders by providing a more intuitive and immersive experience, thus playing an important role in the design and creative industries. Attached Figure Description

[0040] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0041] Figure 1 This is a technical architecture diagram of the iterative evolution method for multimodal design results based on virtual construction described in this invention. Detailed Implementation

[0042] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0044] Combination Figure 1As shown, this invention provides a method for iterative evolution of multimodal design results based on virtual construction. By standardizing and modularizing design results, a virtual construction environment is established, and design results are gradually imported and iterated, thereby achieving efficient integration and optimization of design and construction. Specifically, it includes the following steps:

[0045] Step 1: Standardization and modularization of design deliverables:

[0046] Step 1.1: Standardization: Standardize the scale, line type, line width, symbols and legends, material labeling, annotations and explanations of two-dimensional and three-dimensional designs to ensure the consistency and readability of the design results in all dimensions.

[0047] Step 1.2: Scale: Standardize the scale of the two-dimensional drawings and the three-dimensional model to ensure the accuracy and consistency of the model.

[0048] Step 1.3: Line type and line width: Establish unified standards for line type and line width to ensure consistency between design deliverables across different dimensions and stages.

[0049] Step 1.4: Symbols and Legends: Establish a unified library of symbols and legends to ensure consistent use of symbols and legends across different drawings and models.

[0050] Step 1.5: Material Labeling: Standardize the method and content of material labeling to ensure the consistency and accuracy of material information in the design deliverables.

[0051] Step 1.6: Annotations and Explanations: Standardize the format and content of annotations and explanations to ensure consistency across design deliverables at different stages.

[0052] Step 1.7: Modularization: Establish two-dimensional to six-dimensional information modules by slicing to maintain the correspondence of design results in each dimension.

[0053] Step 1.8: Slicing method: Slice the design results according to functional blocks, component types, etc., to form standardized and modular design units.

[0054] Step 1.9: Modular Components: Use BIM software to create reusable modular units that can be reverse-engineered into 2D drawings, facilitating consistency between design deliverables at different stages.

[0055] Step 1.10: Parametric and Information Processing: Parametric and information processing of module unit components to achieve linked updates when components are modified, ensuring the real-time nature and accuracy of design results.

[0056] Step 1.11: 2D and 3D linkage: Simultaneously manage 2D and 3D module information in the virtual construction system to achieve visualization and linkage, facilitating data transfer and sharing between different dimensions.

[0057] Step 2: Establish a virtual construction environment:

[0058] Step 2.1: Virtual Scene Construction: Establish the corresponding virtual scene based on the modular design results.

[0059] Step 2.2: Virtual Module Scene: Create a virtual scene for each module unit to maintain the consistency of modular design results in the virtual environment.

[0060] Step 2.3: Scene building method: Using a virtual construction platform and BIM software, import the modular design results into the virtual scene and build the corresponding virtual model.

[0061] Step 2.4: Scene Linkage: Achieve linkage and synchronous changes between modules within each virtual scene to ensure the consistency and visual display of design results at different stages in the virtual environment.

[0062] Step 2.5: Integration Space: Integrate all virtual module scenes to form a comprehensive virtual construction environment.

[0063] Step 2.6: Integrated Space Construction: Integrate the various virtual module scenarios into a unified virtual construction environment to facilitate overall scheme simulation and verification.

[0064] Step 2.7: Virtual Construction Platform: Utilize the virtual construction platform for project management, data integration, and information sharing to achieve seamless integration of design deliverables across all dimensions.

[0065] Step 2.8: Data Integration: Integrate two-dimensional drawings, three-dimensional models, schedules, cost information, environmental and safety data, etc. into the virtual construction environment to form a comprehensive design outcome information database.

[0066] Step 3: Import and simulation of preliminary design results:

[0067] Step 3.1: Importing Design Results: Import the 2D design drawings and 3D BIM model into the virtual scene by module.

[0068] Step 3.2: Importing Design Results: In accordance with the standards for modular design results, import the two-dimensional drawings and three-dimensional models into the virtual scene one by one to ensure the consistency and visualization of the design results in the virtual environment.

[0069] Step 3.3: Data Format Conversion: Convert the imported design results to ensure accurate display and operation in the virtual scene.

[0070] Step 3.4: Scheme Simulation: Simulate the preliminary design results in a virtual environment.

[0071] Step 3.5: Simulation content: Simulate the functional layout, structural form, spatial relationships, etc. of the preliminary design results to verify the feasibility and rationality of the design scheme.

[0072] Step 3.6: Simulation tools: Use the simulation tools of the virtual construction platform to dynamically simulate the design scheme, observe and analyze the performance of the design scheme in the virtual environment.

[0073] Step 3.7: Simulation Result Analysis: Analyze the design scheme based on the simulation results, identify problems and shortcomings, and propose improvement suggestions.

[0074] Step 4: Detailed Design Result Iteration:

[0075] Step 4.1: Adding the time dimension: Add a time dimension to the detailed design and import the four-dimensional virtual scene by module to simulate the construction progress.

[0076] Step 4.2: Adding the time dimension: The construction schedule is gradually imported into the virtual scene according to the standards of the modular design results to form a four-dimensional virtual model.

[0077] Step 4.3: Four-dimensional model construction: Based on the three-dimensional model, add time dimension information to form a dynamically displayable four-dimensional virtual model.

[0078] Step 4.4: Schedule Simulation: Use a four-dimensional virtual model to simulate the construction schedule, observe and analyze the time arrangement and resource allocation during the construction process.

[0079] Step 4.5: Simulation Result Iteration: Iteratively update the design results based on the simulation results.

[0080] Step 4.6: Iterative update method: Based on the simulation results of the four-dimensional virtual model, adjust and optimize the design results to ensure the feasibility and rationality of the design scheme in the construction stage.

[0081] Step 4.7: Data Feedback: Feed the simulation results back to the design phase for iterative updates, resulting in new design outcomes.

[0082] Step 4.8: Number of iterations: Perform multiple iterations as needed until the design results meet the expected requirements.

[0083] Step 5: Iterate and refine the design results:

[0084] Step 5.1: Adding the cost dimension: Add a cost dimension in the detailed design, and import the five-dimensional virtual scene by module to simulate materials and construction processes.

[0085] Step 5.2: Cost Dimension Addition Method: Import cost information into the virtual scene step by step according to the standards of the modular design results to form a five-dimensional virtual model.

[0086] Step 5.3: Five-dimensional model construction: Based on the four-dimensional model, cost dimension information is added to form a five-dimensional virtual model that can be dynamically displayed.

[0087] Step 5.4: Cost Simulation: Use a five-dimensional virtual model to simulate material costs and construction processes, and observe and analyze the rationality of project costs and construction processes.

[0088] Step 5.5: Simulation Result Iteration: Iteratively update the design results based on the simulation results.

[0089] Step 5.6: Iterative update method: Based on the simulation results of the five-dimensional virtual model, adjust and optimize the design results to ensure the feasibility and rationality of the design scheme in terms of cost and construction technology.

[0090] Step 5.7: Data Feedback: Feed the simulation results back to the design phase for iterative updates, resulting in new design outcomes.

[0091] Step 5.8: Number of iterations: Perform multiple iterations as needed until the design results meet the expected requirements.

[0092] Step 6: Final Design Result Iteration:

[0093] Step 6.1: Adding the environmental and safety dimension: Add the environmental and safety dimension in the detailed design, import the six-dimensional virtual scene by module, and conduct a simulation of the planning of temporary facilities on the construction site.

[0094] Step 6.2: Adding Environment and Safety Dimensions: Import environment and safety information into the virtual scene step by step according to the standards of the modular design results to form a six-dimensional virtual model.

[0095] Step 6.3: Six-dimensional model construction: Based on the five-dimensional model, add environmental and safety dimension information to form a dynamically displayable six-dimensional virtual model.

[0096] Step 6.4: Environmental and Safety Simulation: Use a six-dimensional virtual model to simulate the planning of temporary facilities at the construction site, and observe and analyze the environmental and safety conditions at the construction site.

[0097] Step 6.5: GIS Data Integration: Integrate GIS data into the six-dimensional virtual scene to improve environmental and safety information.

[0098] Step 6.6: GIS data integration method: Import GIS data into the virtual scene step by step according to the modular design results standard to form a comprehensive environmental and security information database.

[0099] Step 6.7: GIS Data Application: Utilize GIS data to analyze and evaluate the environmental and safety conditions of the construction site to ensure the rationality and feasibility of the design scheme in terms of environment and safety.

[0100] Step 6.8: Data Feedback: Feedback the analysis results of the GIS data to the design stage for iterative updates and to form new design outcomes.

[0101] Step 6.9: Number of iterations: Perform multiple iterations as needed until the design meets the expected requirements in terms of environment and safety.

[0102] Step 7: Design and Construction Coordination:

[0103] Step 7.1: Construction drawing generation: Generate standardized construction drawings based on the final design results.

[0104] Step 7.2: Construction drawing generation method: Using BIM tools and a virtual construction platform, standardized construction drawings are generated based on the six-dimensional virtual model to ensure the consistency between the construction drawings and the final design results.

[0105] Step 7.3: Drawing Contents: Construction drawings should include detailed information on structure, materials, construction techniques, schedule, cost budget, and environmental and safety measures to ensure accurate execution during the construction phase.

[0106] Step 7.4: Real-time monitoring of the construction process: Use a virtual construction platform to monitor and provide feedback on the construction process in real time.

[0107] Step 7.5: Monitoring method: Deploy sensors and monitoring equipment at the construction site to transmit real-time data to the virtual construction platform for real-time monitoring and feedback.

[0108] Step 7.6: Data Analysis: Analyze real-time data through the virtual construction platform to identify and resolve problems that arise during construction, ensuring the smooth progress of the construction process.

[0109] Step 7.7: Information Feedback: Feed back the actual situation and data during the construction process to the design stage, make necessary adjustments and optimizations, and ensure the feasibility of the design scheme and the smooth progress of construction.

[0110] Step 8: Project Summary and Optimization:

[0111] Step 8.1: Project Summary: Summarize the project and analyze the experiences and lessons learned during the design and construction process.

[0112] Step 8.2: Summary of contents: including the coordination between design and construction, the feasibility of the design scheme, problems and solutions during construction, cost control, time management, environment and safety, etc.

[0113] Step 8.3: Summary Report: Compile a project summary report to provide reference for subsequent projects.

[0114] Step 8.4: Optimization Suggestions: Based on the project summary, propose optimization suggestions to improve the design and construction process.

[0115] Step 8.5: Optimization directions: including improvements in design standardization and modularization, optimization of virtual construction platforms, management and monitoring of the construction process, optimization of cost control and time management, and improvement of environmental and safety measures.

[0116] Step 8.6: Implementation Plan: Develop an optimized implementation plan to guide the design and construction of subsequent projects and improve the overall project management level and efficiency.

[0117] In summary, this invention, through an iterative evolution method based on multimodal design outcomes using virtual construction, achieves gradual iteration and optimization from two-dimensional design drawings to a six-dimensional information model. By standardizing and modularizing design, establishing a virtual construction environment, iterating detailed design outcomes, generating construction drawings, and real-time monitoring of the construction process, it ensures efficient integration and optimization of design and construction, thereby improving the overall management level and efficiency of building engineering projects.

[0118] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for iterative evolution of multimodal design results based on virtual construction, characterized in that, Includes the following steps: Step 1: Standardize and modularize the design deliverables; the design deliverables include drawings and BIM models involved in the design planning stage, preliminary design stage, detailed design stage, and in-depth design stage; standardization means that the scale, line type and line width, symbols and legends, material labeling, annotations and explanations of the two-dimensional and three-dimensional design deliverables follow unified regulations; modularization means that the two-dimensional and three-dimensional design deliverables are divided into one-to-one corresponding modules by slicing, so as to realize the information addition from two-dimensional to six-dimensional, and to establish the iterative evolution relationship of six-dimensional to three-dimensional design deliverables on the basis of two-dimensional design deliverables; Step 2: Establish a virtual construction environment and create corresponding virtual scenes based on the modular design results; the virtual construction environment is an integrated space that includes all virtual module scenes; Step 3: Import the 2D and 3D preliminary design results into the virtual construction environment; the 2D preliminary design results are the design drawings; the 3D preliminary design results are the BIM model corresponding to the design drawings. The two-dimensional and three-dimensional design results are imported into the corresponding virtual scenes according to modules, and the schemes are simulated. Step 4: Iteratively refine the preliminary design results based on the simulation results to form detailed design results; add time dimension information to the detailed design results, import the corresponding four-dimensional virtual scenes according to modules, and simulate the construction progress. Step 5: Iteratively refine the detailed design results based on the simulation results to form a detailed design result; the detailed design result adds cost dimension information, imports the corresponding five-dimensional virtual scene according to the module, and performs material and construction process simulation. Step 6: Iteratively refine the design results based on the simulation results; the refined design results add environmental and safety dimension information, import the corresponding six-dimensional virtual scenes according to modules, and conduct planning simulation of temporary facilities at the construction site; the six-dimensional virtual scenes integrate GIS model data; Step 7: Integrate all the modular virtual scenes established in Step 6, and simulate the overall design scheme, construction progress, materials and construction technology, and temporary facilities planning of the construction site; the simulation is a multimodal design result cyclic simulation; the design result is a two-dimensional design result that is iteratively generated based on the simulation results.

2. The iterative evolution method for multimodal design results based on virtual construction according to claim 1, characterized in that: The standardization and modularization of design deliverables in step 1 are achieved through the following steps: Step 1.1: Establish a unified coding standard: Ensure that 2D drawings and 3D models use the same coding and naming rules to facilitate identification and association; Step 1.2: Establish a unified data dictionary: Ensure that the data expressions in the relevant materials of two-dimensional drawings, three-dimensional models, construction technology, and construction scheme design results have the same meaning, so as to facilitate the association and iteration of two-dimensional to six-dimensional scene modules; Step 1.3: Use the modular function of BIM software to create reusable modular units based on 2D drawings, and be able to reverse-engineer and generate corresponding 2D drawings; Step 1.4: Parametric and information-based modular unit components, enabling simultaneous updates of all views and drawings when a single component is modified; Step 1.5: Linking 2D and 3D modules. In the virtual construction system, synchronize the information of 2D planar modules and 3D spatial modules. Through the 2D and 3D linkage method, realize the visualization display of 2D and 3D module linkage.

3. The iterative evolution method for multimodal design results based on virtual construction according to claim 1, characterized in that: Step 2 is implemented through the following steps: Step 2.1: Utilize a virtual construction platform to establish collaborative project management; Step 2.2: In the virtual project, build virtual module scenarios, with each module scenario corresponding to the standardized modules divided in Step 1; Step 2.3: Integrate 2D and 3D models, schedule, cost, environmental and safety information to build an integrated space that includes all virtual module scenarios; Step 2.4: Virtual scene linkage. Through cross-scene association of 2D and 3D modules within virtual scenes, the linkage of 2D and 3D modules within each virtual scene is realized.

4. The iterative evolution method for multimodal design results based on virtual construction according to claim 1, characterized in that: Steps 3, 4, 5, and 6 are implemented through the following steps: Step 3.1: Import the 2D and 3D design results of each stage by module; Step 3.2: Import virtual scene linkage into each module; Step 3.3: Simulation of each module's scenarios; Step 3.4: Refine the 3D design results based on the simulation results; Step 3.5: Generate, export, refine, and modularize the 2D design results; Step 3.6: Repeat steps 3.1-3.5 until the next stage of two-dimensional and three-dimensional design results are formed.

5. The iterative evolution method for multimodal design results based on virtual construction according to claim 4, characterized in that: Step 7 is implemented through the following steps: Step 7.1: Import the final 2D / 3D design results generated in Step 6; Step 7.2: In the integrated virtual construction scenario, simulate the overall design results, construction progress, materials and construction technology, and temporary facilities planning at the construction site in sequence; Step 7.3: Make local adjustments based on the simulation results and locate the corresponding scene module, then repeat steps 3.3 and 3.4; Step 7.4: Refining and exporting the 3D design results; Step 7.5: Repeat steps 7.1-7.4 until the simulation results of the scheme, construction schedule, materials and construction process, and temporary facilities planning simulation at the construction site are approved.

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