During construction projects, the restricted environment and limited space, combined with stringent external conditions and high standards for green, environmentally friendly buildings from the early planning stages, necessitate a clear, quantifiable reference for defining a building’s position and form. Leveraging BIM technology allows for multiple analyses and studies of construction sites, as detailed below:
① First, BIM effectively creates a detailed data model of the complex construction site environment. This model can be imported into fluid dynamics software to perform wind environment analysis and simulations. Through these simulations, professionals can quickly assess whether the site’s wind conditions align with green building standards and construction requirements. However, this approach faces challenges, as actual wind speeds on-site are often lower than the required standards. This makes it difficult to achieve natural ventilation targets during transitional phases, reducing the model’s overall feasibility.
② Second, solar radiation analysis and simulation can be conducted using the site model. This helps staff understand how various factors, such as building obstructions, impact solar radiation on the site. The analysis typically reveals a north-south gradient in solar radiation levels, which becomes especially pronounced during winter months.
③ Third, analytical models enable research on sunlight obstruction affecting residential buildings located on the north side. The insights gained from these studies can be applied to guide building planning decisions.
In conclusion, by integrating and analyzing these results, construction project designers can objectively evaluate the site’s environmental strengths and weaknesses. This scientific approach supports the development of architectural forms that meet the specific requirements set by planning authorities and align with the phased construction schedule.
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