Optimizing BIM-based construction management for super high-rise projects, especially in terms of schedule management, can be achieved by developing a 4D construction management model. This involves creating visual representations and logically linking construction timelines with the project schedule.
1. Building a 4D Construction Management Model Based on BIM
BIM enables setting the total construction duration, start, and end times within the model. It coordinates the expected timelines and logical relationships among various unit projects and subprojects. By linking the building’s 3D model and site layout with construction progress, the model expands to include changes in construction teams, machinery, materials, and site organization over time.
This creates a dynamic 4D visualization that integrates personnel, equipment, environment, technology, materials (4M1E), and construction progress. Project managers can intuitively monitor the simulated construction status of each section within the BIM system, review implementation plans and schedules, track real-time progress, and make informed adjustments as needed.
The model also supports pre-identification, ongoing inspection, and post-completion acceptance for material procurement, implementation plans, and equipment installation, enabling comprehensive and detailed management. For delays, proactive measures such as adjusting work sequences and schedules within the BIM model allow visual evaluation of the entire project timeline. This approach addresses traditional challenges like lack of intuitive management and complicated process adjustments, reducing delay impacts and ensuring project duration and economic goals are met.
2. Creating Visual Drawings Using BIM Technology
Traditional progress management relies on 2D drawings and flat maps. In contrast, BIM technology provides a 3D visualization of the project, offering a more comprehensive spatial understanding. While conventional methods only offer two-dimensional layouts, BIM delivers three-dimensional site layout effects.
Traditional construction often discovers clashes between structural components and disciplines during or after construction, disrupting progress. BIM enables integration of 3D models across different professions to perform progress checks before construction begins, identifying issues caused by design defects early in the process.
Traditionally, construction progress is documented only through reports and marked on schedules. With BIM, the schedule and model are interlinked. Beyond simulating construction progress animations, BIM allows input of actual start and end times to produce accurate, real-time construction animations.
Simultaneously, BIM lists relevant models to enable real-time resource and cost comparison and monitoring. In traditional schedule management, quality and safety issues are recorded but often not managed or repaired after detection. BIM directly associates progress issues with their precise 3D model locations, enabling early records and ongoing status management of “ready,” “incomplete,” and “finished” phases.
3. Logical Relationship Between Duration and Schedule
The primary goal of schedule control is to rationally assess the logical relationship between project duration and schedule across the entire project scope, including every team member’s tasks. Schedule determination, expression, calculation, and control significantly impact project outcomes.
Duration remains the key criterion for schedule evaluation, typically compared against the planned timeline to describe progress. However, due to the conceptual vagueness and practical uncertainties, traditional project management struggles to quantitatively and accurately assess current progress based solely on duration.
Using BIM modeling, factors such as construction periods, cost inputs, and material consumption can be precisely calculated, allowing quantitative evaluation of duration and progress in super high-rise projects. This overcomes the limitations of previous qualitative assessments, providing a more reliable basis for project control.
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