Abstract
This paper discusses a method for evaluating building information models from the point of view of different disciplines. The ultimate goal is to provide a methodology for decision-makers on an Architecture, Engineering, and Construction (AEC) project, where they can follow the status and performance of the BIM model at each project milestone, from different aspects, in a comparable manner. This methodology requires an evaluation method that aggregates data input by the designers. Interpreting BIM models is complex – multi-dimensional, in fact, considering the meta-information added to it. Therefore, the aggregation process is not trivial and may differ in several cases. We build up multi-dimensional diagrams to chart the possible factors of the evaluation, besides introducing aggregation rules and visualizations. For such a method, it was essential to analyze BIM ontologies in order to establish a precise definition for each concept: milestones, building parts, indicator metrics, etc. We describe an example project workflow where our method works in theory, while we give a practical solution how to add the evaluation data to the BIM model with CAAD software.
Highlights
Productivity in the Architecture, Engineering, and Construction field lags behind the other branches of industry (Fig. 1) the technology is already developed enough to be able to handle the industry's needs
We describe an example project workflow where our method works in theory, while we give a practical solution how to add the evaluation data to the BIM model with CAAD software
8 Conclusions In this article, we made an overview of the present BIM methodology and discovered that there are pain points, which need to be improved in order to increase the productivity of the AEC industry
Summary
Productivity in the Architecture, Engineering, and Construction field lags behind the other branches of industry (Fig. 1) the technology is already developed enough to be able to handle the industry's needs. Throughout the process, there are so many requirements and regulations from different points of view that it became overwhelmingly complex, and decision-makers cannot properly see the total picture The first is that the architect team designs the shape of the building and hands the plans over to the designers in various disciplines, telling them to solve the building according to their areas of expertise. This is the usual case in Hungary, according to research [1] among the Hungarian architect studios. Our architect students at Budapest University of Technology and Economics conducted research by making interviews and online surveys on BIM appliance in the Hungarian AEC industry
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