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M. Sreckovic, G. Sibenik, K. Sigalov, X. Ye, M. König, K. Reitmayer:
"Upkeeping digital assets during construction using blockchain technology";
Vortrag: Proceedings of the 38th International Conference of CIB W78, Luxembourg (eingeladen); 13.10.2021 - 15.10.2021.

This paper presents two frameworks for the application of blockchain technology with Building Information Modeling in the design and construction phase, and further explores their coupling for the management of digital assets with a use case demonstration. The research shows that the implementation of blockchain and smart contracts is context dependent and differs according to process requirements. In the BIMd.sign framework, smart contracts enable a transparent and traceable design workflow, whereas in the BIMcontracts framework, smart contracts enable transparent and automatic payments during construction. The coupling of frameworks requires predefined and identical standards for information management. The use case shows: the exchange of information needs to be coordinated according to the contractual agreement; digital assets need to be set up in such a way to allow for a flawless exchange of information; and blockchain and smart contracts facilitate transparent, traceable and automatized processes in regard to digital asset management.

design, construction, asset management, BIM, smart contracts

https://publik.tuwien.ac.at/files/publik_298617.pdf