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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2025

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Introduction to the investigation of reproduction of the real geometry of UBM panels

Walentyński Ryszard, Cybulski Robert, Myrcik Henryk

Bulletin of the Polish Academy of Sciences. Technical Sciences

2025

Vol. 73, nr 1

art. no. e152214

The article concisely describes UBM technology (Ultimate Building Machine), that can be used as a solution for buildings and roof structures. The structure of this technology is made of double corrugated thin-walled steel profiles manufactured on the construction site by a self-contained UBM manufacturing factory on wheels. These panels serve as both the building envelope and the structural system. The specificity of the construction poses many design problems, especially the determination of the strength parameters and stiffness of the double-corrugated panels from which the structure is made. The article presents the results of spatial scanning tests of double-corrugated steel sheets, which were carried out using commonly available 3D scanning devices: Leica 3D Disto and MagiScan app. Additionally, results of numerical analyses performed on scanned samples and a comparison of these results with preliminary laboratory tests are presented in the article. The purpose of scanning was to obtain an accurate and real geometry of the UBM panels, to implement it into numerical software, and then to perform numerical analyses. Commonly available 3D scanning devices were used because using advanced 3D scanners is not popular nowadays for economic reasons, and hand-built geometric models pose a lot of problems and are not accurate enough. The obtained results are promising and form the basis for further research.