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Dynamic construction material layout planning optimization model by integrating 4D BIM
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DOI：10.1007/s00366-018-0628-0.png)
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Construction material layout planning is a key project in temporary facility layouts. When allocating materials without effective resource consolidation and planning in advance, construction managers usually have difficulties in comprehensively determining resource demand to optimize material layout. This also leads to reduced efficiency, increased cost, and unnecessary loss of time. This study proposed the dynamic construction material layout planning optimization model to investigate the optimization of material layout from the perspective of dynamic task scheduling. In addition to the variables of schedule advancement and evolution, dynamic material requirements, and changes in storage sites and areas, task float times were analyzed to account for the changes in three-dimensional travel distances between material supply and demand sites concurrently with changes in task schedules and ensure that the observations conformed to real-time conditions. First, schedule and building information modeling techniques as well as the procedures for quantity take-off and construction materials and quantity analysis were consolidated to produce dynamic material requirements data for construction layout planning. Second, the symbiotic organisms search algorithm was applied to derive the optimized construction site material layout plan. Finally, the proposed model was applied to a construction project. The required total distance for the dynamic material layout plan was 954,736m, which saved roughly half of the required distance compared with the fixed material layout plan of 1,659,457m. This greatly reduced material transportation costs and validated the effectiveness of the proposed model.
Keyword:
Layout optimization
Dynamic material site layout planning
Building information model
Artificial intelligence
Symbiotic organism search
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