The core principle of BIM (Building Information Modeling) technology involves a comprehensive understanding and application of BIM, analyzed from two key perspectives: the creation of BIM models and their practical use.
(1) Component-Oriented Parametric Design
In BIM technology, the 3D solid model represents the design outcome. Unlike traditional building design that deals with disconnected points, lines, and surfaces, BIM approaches design through building components—such as columns, beams, walls, slabs, doors, and windows—that carry rich attribute information and maintain bidirectional relationships.
Each component inherits the properties of its class and is expressed through parameters and their values. These component objects contain geometric attributes like length, width, and height that define their physical characteristics. They also include material and structural properties, as well as functional attributes. Beyond this, components hold extended information such as technical specifications, cost data, scheduling details, construction instructions, and maintenance records. This information is continuously updated and refined throughout the entire lifecycle of the construction project.
(2) Collaborative Work Based on a Single Model
Project management throughout every stage of the building lifecycle relies on the design phase’s 3D solid models, which include essential component data. As the project advances, stakeholders continuously input, update, and extract data such as geometric parameters, physical features, and functional attributes from the BIM model.
Additionally, management aspects like project quality, safety, cost control, scheduling, and site organization are integrated as extended attributes of components. This process enables the unification of product, quality, and management information, achieving full lifecycle and organizational integration within a comprehensive information model.
Since attribute parameters for each component are only entered once and the BIM database updates in real time, all participants can access shared data within their authorized scopes. This facilitates efficient collaboration and coordination across teams.
Ultimately, BIM technology ensures information continuity and consistency at every stage, effectively avoiding data silos and minimizing information loss or degradation. It provides a collaborative platform that supports all parties involved throughout the entire project lifecycle.
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