This EngD project studied the use of BIM to facilitate circularity assessment. To promote circular design and construction practices, it is essential for project stakeholders to gain meaningful insights into circularity at each phase of a project. Building Information Modelling (BIM) offers significant potential to assess and improve the circularity of buildings. However, current BIM-based methods for evaluating circularity often overlook the varying levels of information available at different stages of a project, which are defined by the Level of Development (LOD) in BIM models. In response, this study uses a Design Science Research Methodology to develop a prototype BIM-based tool for circularity assessment. The tool, which integrates three distinct calculation models, provides insights into circularity across multiple project phases—initiation, design, and construction—while accounting for different LODs. Validation through twelve user evaluation sessions and its application in a renovation project in the Netherlands confirm the tool's effectiveness. This research contributes to the field by presenting a novel approach that incorporates the availability of information at each phase and demonstrates how BIM can enhance circularity assessments in construction projects.
Results
Jiang, L. (2023). Circularity assessment in a BIM environment. [EngD Thesis, University of Twente]. University of Twente: https://research.utwente.nl/en/publications/circularity-assessment-in-a-bim-environment