The Impact of Traffic on the Aerodynamic Stability of Long-Span Bridges
https://doi.org/10.30932/1992-3252-2024-22-3-4
Abstract
Under certain conditions, wind effects on long-span bridges can cause aeroelastic instability phenomena. Currently, the main method for studying such structures for occurrence of aeroelastic instability phenomena is experimental modelling in wind tunnels.
Experimental modelling is usually based on the assumption that the cross-sectional shape of the bridge remains unchanged over time. Obviously, such a proposal cannot be true, since the presence of vehicles on the bridge structure changes the crosssectional profile of the bridge. In this regard, it is extremely important to find out whether it is justified to ignore the change in the crosssectional profile of bridges due to the presence of traffic. The present study is aimed at obtaining, using experimental modelling in wind tunnels, a notion of the effect of changes in the cross-section of the bridge due to the presence of traffic on its aerodynamic stability.
Keywords
Supporting agencies: this work was supported by a 2024 grant for fundamental and applied scientific research (R&D) for research teams of the National Research Moscow State University of Civil Engineering, project No. 01–392/130.
About the Authors
O. I. Poddaeva
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Poddaeva, Olga I., D.Sc. (Eng), Associate Professor, Head of the Educational, Scientific and Production Laboratory for Aerodynamic and Aeroacoustics Testing of Building Structures
Moscow
Web of Science Researcher ID: H‑1030-2019; Scopus Author ID: 56002141900; Russian Science Citation Index Author ID: 410581
A. A. Loktev
Russian University of Transport
Russian Federation
Russian Federation
Loktev, Alexey A., D.Sc. (Physics and Mathematics), Professor, Head of the Department of Transport Construction
Moscow
Web of Science Researcher ID: W‑1762-2017; Scopus Author ID: 35618959900; Russian Science Citation Index Author ID: 16528.
P. S. Churin
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Churin, Pavel S., Ph.D. (Eng), Deputy Head of the Educational, Scientific and Production Laboratory for Aerodynamic and Aeroacoustics Testing of Building Structures
Moscow
Web of Science Researcher ID: AAD‑1005-2022; Scopus Author ID: 56002171000; Russian Science Citation Index Author ID: 690208
A. N. Fedosova
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Fedosova, Anastasia N., Ph.D. (Eng), Senior Researcher at the Educational, Scientific and Production Laboratory for Aerodynamic and Aeroacoustics Testing of Building Structures
Moscow
Web of Science Researcher ID: S‑2955-2016; Scopus Author ID: 56001803200; Russian Science Citation Index Author ID: 676314
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For citations:
Poddaeva O.I., Loktev A.A., Churin P.S., Fedosova A.N. The Impact of Traffic on the Aerodynamic Stability of Long-Span Bridges. World of Transport and Transportation. 2024;22(3):28-38. https://doi.org/10.30932/1992-3252-2024-22-3-4
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