Due to uncontrollable environmental factors and risks during construction, it is essential to track and monitor the actual progress of a project. This allows project managers to obtain accurate, real-time information and make timely adjustments. The progress monitoring methods based on BIM technology primarily include the following:
① Create a Work Tracking View
The 4D-BIM model generates detailed information for each construction task based on actual site progress. This includes work content, duration, process logic, and the responsible personnel, enabling comprehensive supervision and control. Additionally, the system can automatically produce various progress-related charts, facilitating easy analysis for project managers.
② Real-Time Dynamic Updates of Progress Information
During monitoring, any necessary schedule adjustments or model parameter changes can be made directly within the BIM-4D platform. These updates are instantly reflected in the database, ensuring synchronization between the schedule and the 4D-BIM model.
③ Instant Linking Between Tasks and Responsible Personnel
The BIM-4D model associates each work task with its corresponding responsible person when scheduling. If personnel assignments change, the database updates immediately to reflect the new information. This allows project managers to quickly identify responsible parties when issues arise during progress monitoring. All information is permanently stored within the 4D-BIM model.
④ Use Color Coding to Indicate Progress Status
Within the 4D-BIM platform, tasks that are ahead or behind schedule can be marked using different colors. Specific colors can also be assigned to indicate abnormal conditions as warnings. This visual approach helps project managers quickly identify issues and take timely, effective actions to maintain progress control.
⑤ Compare with Historical Project Case Library
The 4D-BIM platform’s information model can automatically compare current project data with historical cases stored in the database. This serves as a valuable reference for project managers to better control progress based on past experiences.
⑥ View the Construction Calendar Linked to the Model
By inputting daily monitoring data into the 4D-BIM platform, a construction calendar is automatically generated. Project managers can access this calendar at any time to compare it with ongoing tasks, facilitating clear understanding of completed work and providing a basis for addressing existing issues.
⑦ Scan and Compare Physical Structures with Models
Combining augmented reality (AR) technology with BIM enables scanning of physical structures and inputting data into the system. This allows direct comparison and analysis between the physical entity and the BIM model, saving time on quantity surveys and reviews while significantly improving efficiency. Progress monitoring based on BIM enhances traditional methods by leveraging the information-rich, visual, and dynamic capabilities of the 4D-BIM model. This reduces the workload for project managers and standardizes project implementation.
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