The application of BIM technology in transmission line project management can be divided into three key steps: model creation, data integration, and technical implementation.
(1) Model Creation
In engineering project management, BIM models created with internationally recognized IFC-standard software can be exchanged and imported directly through data interfaces. Typically, design institutes provide these BIM models. For the transmission line project discussed here, the Tekla Structures steel structure detailing module was used to create a 3D information model directly.
Tekla software offers shortcut toolbars for critical transmission line components such as new foundation concrete parts, L-shaped angle steel elements, and bolts, simplifying the modeling process. The modeling starts by creating the axis line within the steel structure module and setting up a workspace and view to facilitate smooth operation during model creation.
The model is then segmented based on construction drawings. When adding a new component, engineers double-click its attributes to input engineering parameters, physical properties, and other relevant data. After building each segment, they are combined to form a comprehensive 3D model that includes all necessary engineering parameters.
Once the 3D model is established, the transmission line project is broken down into unit projects and sub-projects using a Work Breakdown Structure (WBS), creating a hierarchical tree structure. By mapping the project’s milestone plan to the corresponding nodes, a detailed construction schedule is developed.
Using the WBS editing functions in BIM software along with pre-existing construction process templates, the logical relationships between tasks are refined. This enhances the process node schedule based on milestone plans, resulting in a well-structured construction timeline. Associating the 3D model components with this schedule produces a 4D schedule information model.
(2) Data Integration
After completing the 3D and 4D models, the next step is to integrate their information through an information integration platform. This platform generates multiple information models tailored for various analytical applications.
Currently, no single software in the construction industry fully supports the entire workflow—from model creation to information integration and application—including design and construction models. Therefore, different project management tools are required to integrate BIM data and establish comprehensive information models for the transmission line project.
For example, 3D information models are primarily used for collision detection and visual construction simulations, while 4D models support schedule planning simulations. Most projects use an information integration platform to combine BIM data from various disciplines, enabling seamless information sharing and data access among all project participants.
(3) Technical Implementation
At the technical application level, BIM technology supports various project management functions tailored to transmission line engineering needs, leveraging specialized project management software.
Currently, BIM applications in construction cover areas such as schedule management, quality control, cost management, resource allocation, and safety risk management. This article focuses on using BIM software to enhance the management of quality, scheduling, and cost in transmission line engineering projects, optimizing key objectives within these domains.
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