What is BIM? What Are Its Main Applications? BIM, or Building Information Modeling, is a shared information platform designed to be open and interoperable. International BIM standards have driven industry demand by enabling comprehensive application of the entire building lifecycle. At its core, BIM shares model information tailored to the needs and concepts of different building phases.
Traditional 2D CAD methods struggle to accommodate late-stage changes often requested by building owners. Modifying architectural designs at these stages impacts parts already slated for manufacturing, creating practical challenges. Every change must be communicated to all departments involved in assembly and manufacturing drawings, and coordination is required with adjacent components. Changes affect multiple systems from various manufacturers within the building, making the coordination process increasingly complex and time-consuming.
With a BIM platform, parts are directly input into the model, and updated assembly and manufacturing drawings are generated almost automatically. This significantly reduces the time and effort needed to adapt to changes. Using a pull production system driven by production sequences allows for efficient drawing and manufacturing workflows. Short delivery times minimize the inventory of design information, reducing the risk of changes impacting production. When significant changes occur, manufacturing drawings can be generated immediately, cutting down the need for additional revisions. In this “lean” system, manufacturing drawings are produced just in time before production begins.
BIM also enables precast solutions within projects that have strict delivery deadlines for both contract and on-site construction dates. Often, on-site construction methods are restricted or prohibited. General contractors typically calculate promised delivery times based on construction lead times, which are often shorter than the time needed to switch from traditional building systems to prefabricated methods. Using 2D CAD for main production design can be time-consuming. For example, converting a building from an on-site cast-in-place concrete structure to precast concrete before manufacturing the first component usually takes two to three months. In contrast, the BIM system shortens the design period to a single point, enabling components with longer lead times to be prefabricated earlier.
When it comes to generating and communicating manufacturing details and assembly information, highly automated BIM systems offer significant advantages. Two key features enable these improvements:
- The parametric relationships between architectural model objects, which rely on fundamental design techniques.
- The data attributes attached to these objects, allowing the system to calculate and report meaningful production information.
These capabilities streamline the production process and improve coordination across all project phases.
That wraps up our explanation of What BIM is and its main applications. I hope this article has been helpful!
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