Influence of sudden column loss on the dynamic response of a multistorey steel frame

• Autorzy: Górski M. , Szczerba R.

Identyfikatory

DOI

10.7862/rb.2018.51

• Języki publikacji: EN

Abstrakty

EN

Multistorey steel buildings are proved to be very susceptible to situations when one of their columns loses its capacity as a result of an accidental action. The above mentioned case concerning a steel framed building is the subject of investigation presented in the paper. Structural system of analyzed building was designed in accordance with ultimate and serviceability limit states in the persistent and transient design situations. Then its integrity in accidental design situation was assessed. According to EN 1991-1-7 [1], the strategy based on limiting the extent of localized failure was assumed. Firstly, the static analysis of the structure in Autodesk Robot Structural Analysis Professional software was performed. Then, the static and dynamic GMNA analyzes (materially and geometrically nonlinear) of the structure in Autodesk Simulation Mechanical were carried out. Calculations were made in reference to plane frame, which is the repeatable load bearing system of considered building. FEM models were made with the use of beam and shell elements. The results of performed analyzes were compared and discussed. Concluding remarks were drawn and directions of future research were outlined.

Słowa kluczowe

EN

robustness; dynamic analysis; accidental action; column loss; steel framed building; FEM

• Wydawca: Oficyna Wydawnicza Politechniki Rzeszowskiej
• Czasopismo: Czasopismo Inżynierii Lądowej, Środowiska i Architektury / Journal of Civil Engineering, Environment and Architecture
• Rocznik: 2018
• Tom: z. 65, nr 4
• Strony: 5--20
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Górski M.

• Rzeszow University of Technology, ul. Poznańska 2, 35-084 Rzeszów, Tel.: [phone]

autor

Szczerba R.

• Warsaw University of Technology, al. Armii Ludowej 16, 00-637 Warszawa, Tel.: [phone]

Bibliografia

• [1] EN 1990:2004. Eurocode. Basis of structural design.
• [2] EN 1991-1-7: 2008 Eurocode 1. Actions on Structures: Part 1-7 Accidental Actions.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).