Forward BIM (Building Information Modeling) design method for welding seam of steel structure bridge member

Abstract

The invention relates to the technical field of steel structure bridges, in particular to a forward BIM (Building Information Modeling) design method for a welding seam of a steel structure bridge component, which comprises the following steps of: 1, establishing a BIM model: establishing a three-dimensional model of the steel structure bridge by using BIM software, defining the geometrical shape, the material attribute and the connection mode of each component in detail in the model; 2, defining the type and the position of a welding seam: determining the type and the position of the welding seam according to design specifications and engineering experience; a BIM (Building Information Model) provides a three-dimensional visual model, so that a designer can intuitively check and understand the position, shape and size of the welding seam. The visualization helps to find potential problems in the design stage and reduce errors and rework, the forward BIM design method can accurately define the geometric shape and position of the weld seam and ensure the accuracy and consistency of the design, and the accuracy helps to improve the efficiency and quality of manufacturing and installation.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure bridges, and in particular to a forward BIM design method for welds of steel structure bridge components. Background Art

[0002] Steel structure bridge is a type of bridge that uses steel as the main load-bearing structure. Compared with other materials, steel structure bridge has many unique advantages:

[0003] High strength and light weight: Steel materials have high strength and can withstand large loads. At the same time, the weight of steel structures is relatively light, which helps to reduce the burden on the foundation and supporting structure;

[0004] Good plasticity and toughness: Steel structures will deform significantly before they are destroyed, and have good plasticity and toughness, and can resist impact and vibration loads, making them particularly suitable for use in earthquake-prone areas;

[0005] Fast construction: Steel structure bridge components can be prefabricated in the factory and then transported to the site for assembly, which greatly shortens the construction time and reduces the impact on traffic;

[0006] Recyclable: The materials of steel structure bridges can be recycled many times and have good environmental performance;

[0007] Low maintenance cost: The maintenance cost of steel structure bridges is relatively low, mainly regular anti-corrosion treatment and inspection.

[0008] The design of welds in steel bridge components is a complex process that requires consideration of multiple factors, including loading conditions, material properties, welding process, and structural safety.

[0009] At present, in order to consider the needs of the construction and operation and maintenance stages in the design stage and realize the whole process management of design, construction and operation and maintenance through digital means, it is necessary to design a forward BIM-based method to improve the design efficiency and quality of steel structure bridges. Summary of the invention

[0010] The purpose of the present invention is to solve the above-mentioned shortcomings in the prior art and to propose a forward BIM design method for welds of steel structure bridge components.

[0011] In order to achieve the above object, the present invention adopts the following technical solutions:

[0012] A forward BIM design method for designing welds of steel structure bridge components, the forward BIM design method for welds of steel structure bridge components is as follows:

[0013] Step 1: Create a BIM model:

[0014] Use BIM software to create a 3D model of the steel structure bridge, in which the geometry, material properties and connection methods of each component are defined in detail;

[0015] Step 2: Define the weld type and location:

[0016] Determine the type and location of welds based on design specifications and engineering experience, and clearly mark the location and type of welds in the BIM model;

[0017] Step 3: Structural analysis and optimization:

[0018] Use structural analysis software to analyze the BIM model to verify the safety and reliability of the structure. Based on the analysis results, optimize the design of the weld to ensure that it meets the strength and stiffness requirements;

[0019] Step 4: Generate construction drawings and material lists:

[0020] Automatically generate construction drawings, material lists and weld lists from BIM models to facilitate construction management and material procurement;

[0021] Step 5: Simulate the construction process:

[0022] Use BIM software to simulate the construction process of steel structure bridges, optimize construction plans, reduce construction risks, simulate the weld construction process, and ensure construction feasibility and welding quality;

[0023] Step 6: Perform collision detection and coordination:

[0024] Use BIM software to perform collision detection, identify and resolve conflicts and contradictions in the design, coordinate the designs between different disciplines, and ensure the integrity and consistency of the design;

[0025] Step 7: Generate operation and maintenance information:

[0026] Record the construction and operation and maintenance information of the welds in the BIM model, generate operation and maintenance manuals and inspection plans, and facilitate the operation and maintenance of the bridge;

[0027] Step 8: Data exchange and sharing:

[0028] Use standard formats such as IFC to exchange and share BIM data, ensure that all participants can access and use the latest design information, and achieve collaborative work among project teams through cloud platforms to improve design and construction efficiency.

[0029] In detail, the BIM software in the first step includes Revit, TeklaStructures, and MicroStation.

[0030] Specifically, the weld types in the second step include butt welds and fillet welds.

[0031] In detail, the analysis software in the third step includes Ansys and SAP2000.

[0032] In detail, the drawings in the fourth step include plan views, elevation views, section views and node detail views.

[0033] In detail, the construction information and operation and maintenance information in the seventh step include welding date, welder information, and weld inspection records.

[0034] In detail, the weld size in the second step includes weld leg size and weld length.

[0035] In detail, the structural analysis in the third step includes static analysis and dynamic analysis, which also includes welding residual stress analysis, using dedicated analysis tools such as ABAQUS and ANSYS to simulate the temperature field and stress field during the welding process.

[0036] In detail, the construction simulation in the fifth step is to determine the construction sequence, and according to the results, adjust the welding parameters, including: current, voltage and welding speed.

[0037] In detail, the collision detection and coordination in the sixth step also has professional collaboration, using the BIM platform to achieve collaborative work among multiple disciplines, such as structure, mechanical and electrical, and civil engineering, and invite owners and construction units to participate in the review and discussion of the BIM model.

[0038] The design scheme proposed by the present invention has the following beneficial effects during application:

[0039] 1. BIM (Building Information Modeling) provides a 3D visualization model that enables designers to intuitively view and understand the location, shape, and size of welds. This visualization helps to identify potential problems during the design phase, reducing errors and rework.

[0040] 2. The forward BIM design method can accurately define the geometry and location of welds, ensuring the accuracy and consistency of the design. This precision helps improve the efficiency and quality of manufacturing and installation.

[0041] 3. The BIM model contains rich engineering data, such as material properties, welding parameters and manufacturing processes. These data can be shared and used during the design, manufacturing and construction process to improve work efficiency.

[0042] 4. Through BIM simulation and analysis tools, designers can optimize the design of welds to meet strength, stiffness and durability requirements, which helps improve the safety and economy of the structure.

[0043] 5. BIM models can be used for construction simulation to help the construction team develop reasonable construction plans and welding sequences to avoid construction conflicts and delays.

[0044] 6. The BIM model can be used as a maintenance management tool throughout the life cycle of the bridge, recording the inspection and repair history of the welds and helping the operation and maintenance teams make decisions. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the design scheme of the present invention. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0047] Reference Figure 1 , the forward BIM design method of welds of steel structure bridge components, the forward BIM design method of welds of steel structure bridge components is as follows:

[0048] Step 1: Create a BIM model:

[0049] Use BIM software to create a 3D model of the steel structure bridge, in which the geometry, material properties and connection methods of each component are defined in detail;

[0050] Step 2: Define the weld type and location:

[0051] Determine the type and location of welds based on design specifications and engineering experience, and clearly mark the location and type of welds in the BIM model;

[0052] Step 3: Structural analysis and optimization:

[0053] Use structural analysis software to analyze the BIM model to verify the safety and reliability of the structure. Based on the analysis results, optimize the design of the weld to ensure that it meets the strength and stiffness requirements;

[0054] Step 4: Generate construction drawings and material lists:

[0055] Automatically generate construction drawings, material lists and weld lists from BIM models to facilitate construction management and material procurement;

[0056] Step 5: Simulate the construction process:

[0057] Use BIM software to simulate the construction process of steel structure bridges, optimize construction plans, reduce construction risks, simulate the weld construction process, and ensure construction feasibility and welding quality;

[0058] Step 6: Perform collision detection and coordination:

[0059] Use BIM software to perform collision detection, identify and resolve conflicts and contradictions in the design, coordinate the designs between different disciplines, and ensure the integrity and consistency of the design;

[0060] Step 7: Generate operation and maintenance information:

[0061] Record the construction and operation and maintenance information of the welds in the BIM model, generate operation and maintenance manuals and inspection plans, and facilitate the operation and maintenance of the bridge;

[0062] Step 8: Data exchange and sharing:

[0063] Use standard formats such as IFC to exchange and share BIM data, ensure that all participants can access and use the latest design information, and achieve collaborative work among project teams through cloud platforms to improve design and construction efficiency.

[0064] During design, the load conditions must be determined:

[0065] Clarify the static and dynamic loads borne by the bridge, including deadweight, vehicle load, wind load and earthquake load, and calculate the stress and deformation of the components according to the load conditions.

[0066] It should be further explained that the BIM software in the first step includes Revit, Tekla Structures, and MicroStation.

[0067] It should be further explained that the weld types in the second step include butt welds and fillet welds.

[0068] During welding, choose appropriate steel and welding materials:

[0069] According to design requirements and engineering experience, select appropriate steel grades and specifications, and select welding materials that match the parent material to ensure that the strength and toughness of the weld meet the requirements.

[0070] It should be further explained that the analysis software in the third step includes Ansys and SAP2000.

[0071] It should be further explained that the drawings in the fourth step include plan views, elevation views, sections and node details. The BIM model is reviewed and verified to ensure the accuracy and completeness of the model, and necessary on-site measurements and comparisons are carried out to verify the reliability of the model.

[0072] It should be further explained that the construction information and operation and maintenance information in step 7 include welding date, welder information, and weld inspection records.

[0073] It should be further explained that the weld size in the second step includes the weld leg size and the weld length. During the construction process, strict weld quality inspection is carried out, including appearance inspection, non-destructive testing (such as ultrasonic testing, X-ray testing, etc.) and mechanical properties testing. Based on the inspection results, welding defects are discovered and dealt with in a timely manner to ensure that the weld quality meets the design requirements.

[0074] It should be further explained that the structural analysis in the third step includes static analysis and dynamic analysis, which also includes welding residual stress analysis. Special analysis tools, such as ABAQUS and ANSYS, are used to simulate the temperature field and stress field during the welding process. The deformation and residual stress that may be generated during the welding process are considered in the design stage, and appropriate measures are taken to control them, such as reserving anti-deformation and selecting a reasonable welding sequence.

[0075] It should be further explained that the construction simulation in the fifth step is to determine the construction sequence. According to the results, the welding parameters are adjusted, including current, voltage and welding speed. According to the weld type and material properties, a detailed welding process specification is formulated, including welding method, welding parameters, welding sequence, etc., and a welding process assessment test is carried out to verify the feasibility of the welding process.

[0076] It should be further explained that the collision detection and coordination in the sixth step also have professional collaboration, using the BIM platform to achieve collaborative work among multiple disciplines, such as structure, mechanical and electrical, and civil engineering, and invite owners and construction units to participate in the review and discussion of the BIM model. The BIM platform supports multi-disciplinary collaborative work, enabling structural engineers, welding engineers, and construction teams to collaborate on a unified platform. This collaborative work mode helps to improve communication efficiency and the overall quality of the project.

[0077] After the construction is completed, the BIM model is used for final acceptance to check the construction quality and consistency, form a complete completion document, and provide support for subsequent operation and maintenance management.

[0078] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. The forward BIM design method for welds of steel structure bridge components is characterized by: The forward BIM design method for the weld of the steel structure bridge member is as follows: Step 1: Create a BIM model: Use BIM software to create a 3D model of the steel structure bridge, in which the geometry, material properties and connection methods of each component are defined in detail; Step 2: Define the weld type and location: Determine the type and location of welds according to design specifications and engineering experience, and clearly mark the location and type of welds in the BIM model; Step 3: Structural analysis and optimization: Use structural analysis software to analyze the BIM model to verify the safety and reliability of the structure. Based on the analysis results, optimize the design of the weld to ensure that it meets the strength and stiffness requirements; Step 4: Generate construction drawings and material lists: Automatically generate construction drawings, material lists and weld lists from BIM models to facilitate construction management and material procurement; Step 5: Simulate the construction process: Use BIM software to simulate the construction process of steel structure bridges, optimize construction plans, reduce construction risks, simulate the weld construction process, and ensure construction feasibility and welding quality; Step 6: Perform collision detection and coordination: Use BIM software to perform collision detection, identify and resolve conflicts and contradictions in the design, coordinate the designs between different disciplines, and ensure the integrity and consistency of the design; Step 7: Generate operation and maintenance information: Record the construction and operation and maintenance information of the welds in the BIM model, generate an operation and maintenance manual and inspection plan to facilitate the operation and maintenance of the bridge; Step 8: Data exchange and sharing: Use standard formats such as IFC to exchange and share BIM data, ensure that all participants can access and use the latest design information, and achieve collaborative work among project teams through cloud platforms to improve design and construction efficiency.

2. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The BIM software in the first step includes Revit, Tekla Structures, and MicroStation.

3. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The weld types in the second step include butt welds and fillet welds.

4. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The analysis software in the third step includes Ansys and SAP2000.

5. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The drawings in the fourth step include plan views, elevation views, sections and node details.

6. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The construction information and operation and maintenance information in the seventh step include welding date, welder information, and weld inspection records.

7. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The weld size in the second step includes the weld leg size and the weld length.

8. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The structural analysis in the third step includes static analysis and dynamic analysis, which also includes welding residual stress analysis, using special analysis tools such as ABAQUS and ANSYS to simulate the temperature field and stress field during the welding process.

9. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The construction simulation in the fifth step is to determine the construction sequence, and according to the results, adjust the welding parameters, including current, voltage and welding speed.

10. The forward BIM design method for welds of steel structure bridge components according to claim 1, characterized in that: The collision detection and coordination in the sixth step also involve professional collaboration, using the BIM platform to achieve collaborative work among multiple disciplines, such as structure, mechanical and electrical, and civil engineering, and inviting owners and construction units to participate in the review and discussion of the BIM model.

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