I. Kovacic, M. Honic, H. Rechberger:
"Bim Based Material Passport As Tool For Enhancemet Of Circular Economy In Aec Industry";
in: "Advances in Informatics and Computing in Civil and Construction Engineering", herausgegeben von: Ivan Mutis, imo Hartmann; Springer Nature, 2018, ISBN: 978-3-030-00219-0, 8 S.

Kurzfassung englisch:
The concept of "Urban Mining" - based on reuse or recycling of secondary materials contained in urban stocks, and in consequence minimisation of primary resources consumption paired with increased recycling rates and waste reduction - is fundament of circular economy in AEC. The implementation of circular economy involves participation and consensus of numerous stakeholders along AEC value chain, ranging from material and building product manufacturers and logistic; till designers, planners and facility managers. The complexity of such actor network, as well as sometimes opposing interests in the industry requires for tools which would allow modelling and prediction of material and waste flows; both as design and decision support instrument. We propose a Material Passport (MP) as such tool, as qualitative and quantitative documentation of the material composition of, and the material distribution within, a building structure.
New computational tools such as Building Information Modelling (BIM), bear large potentials for automated compilation of MP, as information-rich building elements and components build extensive BIM-based material knowledge-base.
In this paper, a modelling framework for creation of BIM-based MP will be presented; through coupling of BIM with material-inventory and analysis tool and various eco-inventories, thus enabling generation of both MP and life cycle assessment of a building in various design stages for varying Levels of Development.
Thereby the proposed framework allows use of MP along the value chain of AEC industry for various stakeholders such as material industry, architects, building owners and public policy; with multiple purposes as design-optimization tool in early design stages for of material and resources efficient design; as material-repository for an feasible end-of-life demolition of structures and recycling of applied materials; as a document of material assets of real estates and finally, if applied extensively, as the informational basis for a secondary raw materials cadastre, which in return is the basis of sophisticated recycling plans.

Material Passport, Resources Efficiency, LCA, Urban Mining, BIM

Elektronische Version der Publikation:

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