0535766 - ÚTAM 2022 RIV ES eng C - Konferenční příspěvek (zahraniční konf.)
Bayer, Jan - Urushadze, Shota - Witzany, J.
Stiffness changes due to static loading of a brick arch.
SAHC 2021. 12th International conference on structural analysis of historical constructions. Barcelona: International Centre for Numerical Methods in Engineering (CIMNE)2021, 2021 - (Roca, P.; Pelà, L.; Molins, C.), s. 802-808. ISBN 978-84-123222-0-0.
[International Conference on Structural Analysis of Historical Constructions SAHC 2020 /12./. Barcelona (ES), 29.09.2021-01.10.2021]
Grant CEP: GA MK(CZ) DG18P02OVV040
Klíčová slova: masonry arch * impact testing * static loading * stiffness evaluation * flexibility change
Obor OECD: Civil engineering

A brick arch was loaded under laboratory conditions in three successive loading steps. No cracks were observed but reduction of natural frequencies and stiffness of the arch was experimentally documented. The stiffness was evaluated in a non-destructive test using an impact hammer and only two accelerometers. The proposed identification technique based on known experimental modal analysis theory is tailored to stiffness evaluation of masonry vaults. The results and the applied method are extensively discussed.
Trvalý link: http://hdl.handle.net/11104/0323511