Łukasiewicz Research Network - Poznan Institute of Technology, 6 Ewarysta Estkowskiego St., 61-755 Poznań, Poland
Data nadesłania: 18-03-2024
Data ostatniej rewizji: 20-05-2024
Data akceptacji: 24-05-2024
Data publikacji online: 25-05-2024
Data publikacji: 16-11-2024
Autor do korespondencji
Krzysztof Magnucki
Łukasiewicz Research Network – Poznan Institute of Technology, Łukasiewicz Research Network – Poznan Institute of Technology, Polska
The subject of the paper is a simply supported standard wide-flange H-beam. Cross sections of this beam is analytically described as a three-layer structure. The shear effect in its succesive layers is taking into account with consideration of the classical shear stress formula called Zhuravsky shear stress. Based on Hamilton’s principle, two differential equations of motion are obtained. These equations are analytically solved and the fundamental natural frequency of flexural vibration for this beam is derived. Examplary calculations are carried out for selected five I-beams.
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A shear effect in a bending non-standard I-beam under uniformly distributed load Ewa Magdalena Magnucka-Blandzi, Krzysztof Magnucki Rail Vehicles/Pojazdy Szynowe
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