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rcular Economy and BIM in Civil Engineering

Sebastjan Meža 1, Alenka Mauko Pranijć 1, Ana Mladenović 1

1. Slovenian National Building and Civil Engineering Institute (ZAG), Dimičeva ulica 12, 1000 Ljubljana, Slovenia,
sebastjan.meza@zag.si, alenka.mauko@zag.si, ana.mladenovic@zag.si

Since the early 1980s, researchers from the field of IT in architecture, engineering, and construction
(AEC), strive to develop tools that could assist architects, builders, surveyors, and other stakeholders.
Despite slow its adoption, IT support in a form of Building Information Modelling (BIM), has lately been
established as an invaluable business enabler, facilitating stakeholder communication, information
collection and exchange, improving the quality of design solutions, and overall efficiency in construction
projects. Naturally, at the same time, other fields of AEC also achieved significant breakthroughs. As
important, we can highlight the development of new more sustainable circular business modes, which
seek to establish more sustainable development by the means of reduction of the consumption of
primary virgin construction materials through reuse and recycling.
In the CINDERELA project, we address the two exposed research areas reciprocally. To demonstrate the
benefits of IT, a two-stage BIM implementation strategy has been established, firstly, at the project level
and running in parallel with the secondary raw material (SRM) development on a product level. In this
paper, we primarily focus on the product level, where we represent the development of a BIM Library –
the information database, structured in the form of objects developed in the Industry Foundation Classes
(IFC) format. The library is being used to populate the CINDERELA One-Stop-Shop service (CinderOSS)
with the goal of diffusion of the SRM-based construction product. We highlight the challenges associated
with the development of a properties dataset that promotes circularity and environmental indicators
of innovative construction products. Following this path, the CINDERELA project is promoting circular
economy business models.
Keywords: IT, construction, BIM, circular economy
Acknowledgement
Authors gratefully acknowledge the support of the European Union’s Horizon 2020 Research and
Innovation Programme under Grant Agreement no. 77675.

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