In the context of BIM, progress control offers a unified platform that enables all involved parties to analyze on-site progress deviations during project execution. Based on these analyses, they can develop appropriate corrective actions. These measures typically involve organizational, economic, and technical strategies.
BIM-based progress control introduces advanced technical methods to accurately measure actual progress against planned schedules. These methods can be categorized into three main approaches:
- Augmented Reality (AR) on-site comparison: Workers use AR technology to directly compare the planned schedule with the current progress on-site, instantly identifying deviations. These deviations, along with their potential causes, are then uploaded to the control platform. This allows for timely development and implementation of corrective measures.
- Three-Dimensional Laser Scanning (LS): By scanning key project points over time, LS technology captures the actual progress and completion status with high accuracy. Comparing this data with the planned schedule enables professional engineers to collaboratively decide on corrections through the progress control platform.
- Real-time data input and BIM progress modeling: Site computers input progress data for each construction subtask promptly. This data feeds into a BIM progress model, which is compared to the planned model to detect deviations and facilitate corrective planning.
Overall, BIM-based progress control stands out for its accuracy, efficiency, and advanced capabilities, enabling true dynamic management. When deviations are detected, the platform’s monitoring features quickly identify issues in progress control. Engineers involved can collaboratively develop and implement corrective actions, minimizing information loss and ensuring integrated management throughout the project lifecycle.
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