Effektivare projektering av brokonstruktioner med hjälp av BIM

Detta är en Uppsats för yrkesexamina på avancerad nivå från Lunds universitet/Väg- och vattenbyggnad (CI); Lunds universitet/Avdelningen för Konstruktionsteknik

Sammanfattning: There is a notable trend within the building industry to move from traditional two-dimensional drawing tools towards three-dimensional design tools in order to make the design process more effective with a quicker and more rational way to produce blue prints and other documents. Parallel to this trend it is also become more common for structural engineers to use three dimensional tools for structural analysis. It is the same type of information which is used to create the blue print as well as the structural building model therefore making this an incentive for software developers in trying to come up with a way to automatically transfer building models between different types of applications as this is an obvious way to save expensive engineering time. This Master‟s Project has been carried out with the purpose of analyzing the potential of a BIM design process for bridge structures with focus on hands on strategies for automatic transfer of building models between design tools and tools for structural analysis. Compared to a two dimensional CAD building model, a parameterized three dimensional BIM model is composed in a entirely different and more sophisticated way as it rests on an object oriented data structure which opens up for a broad spectra of new technical applications such as automatic construction scheduling, billing of quantities and collision control. This new technique also opens up for an inter-disciplinary work in a shared building model making the design process more effective. However, discipline specific applications are generally not compatible with each other as software vendors usually employ proprietary file formats within their software environment. This report presents a method that enables automatic file transfer of building models via the neutral IFC file format.

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