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BIM 기반 Set-based Design 적용 방안에 관한 연구
이승일(Lee Seung-Il),권남하(Kwon Nam-Ha),조영상(Cho Young-Sang) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.7
Recently, Construction projects have become larger and more sophisticated. It makes efforts to construction productivity improvement in domestic and international construction industries. There are still researches that Lean Construction, Building Information Modeling(BIM), Integrated Project Delivery(IPD) for productivity improvement. The initial step of design is important for construction project to productivity advancement, information exchange and collaboration. Point-based design(PBD) starts from a somewhat arbitrary initial point in the parameter space of all possible solution. The solution is then optimized, one step at a time, at each step moving to a more desirable point in the parameter space. The goal is to find the optimal solution point, although it is not obvious that this point will ever be reached. By contrast, Set-based design(SBD) based on lean design is an approach that defers design to the last responsible moment to allow for the evaluation of alternative that improve constructability. SBD involves deep thinking at each level of design for system, subsystems, assemblies, and components. By having decisions made at the last responsible moment, set-based design avoids loop backs that may need to be made later because of hasty decisions, as past issues have to be revisited. Structural Building Information Modeling(S-BIM) is process that focus on structural engineering in BIM process. It provides flexible environment of interoperability and collaboration with relevant area included structural engineering thanks to containing necessary structural information. Especially, Analytic Hierarchy Process(AHP) of the decision making processes is improved decision’s reliability by using S-BIM that considers economics, constructability, structural safety, etc. This study proposes application methodology for set-based design of AHP in the structural BIM environment that performs case study through high-rise building project of outrigger system.
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