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Civil-Comp Conferences
ISSN 2753-3239 CCC: 6
PROCEEDINGS OF THE SEVENTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: P. Ivanyi, J. Kruis and B.H.V. Topping
Paper 2.5
Experiences from Analysis and Experiment Considering the Vehicle Scanning Method J. Bayer and S. Urushadze
Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Czech Republic J. Bayer, S. Urushadze, "Experiences from Analysis and Experiment
Considering the Vehicle Scanning Method", in P. Ivanyi, J. Kruis, B.H.V. Topping, (Editors), "Proceedings of the Seventeenth International Conference on
Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 6, Paper 2.5, 2023, doi:10.4203/ccc.6.2.5
Keywords: VSM, moving loads, bridges, finite element method, modal analysis, initial conditions.
Abstract
Application of the Vehicle Scanning Method (VSM) on real bridges requires more
precise analysis that can be provided by the closed form solution. Analytical solutions
applied the previously proposed hybrid time effective method using ANSYS and
MATLAB that makes possible to account for a vehicle mass, initial condition of the
spring mass and damping. The effect of initial conditions and vehicle mass was
studied in the following case study. The computed results were compared to
experiments. The relation between the exciting forces caused by the scanning vehicle
and vibration noise from other sources affecting the sprung mass seems to be decisive
for a successful application of the VSM. A higher vehicle damping can reduce the
adverse effects of initial vibration state of the vehicle when entering a bridge.
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