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Influence of Permanent Deflections on The Vibrations of Bridge Spans in Operating Conditions Cover

Influence of Permanent Deflections on The Vibrations of Bridge Spans in Operating Conditions

Open Access
|Mar 2022

Abstract

The paper presents the method and results of numerical simulations of the mutual dynamic interactions between vehicles and the bridge structure, which has defect in the form of excessive permanent deformations. The parametric analyses were carried out taking into account the following parameters: permanent deflections of spans, with a maximum value ranging from 0 to 150 mm, vehicle speed from 10 m/s (36 km/h) to 30 m/s (108 km/h), and two types of heavy vehicle suspension systems, each with very different properties. The presented analyses are based on the characteristics of real motorway bridge structure with permanent deflections of the multi-span main girders, constructed of steel beams and reinforced concrete slab. The proposed procedure of dynamic numerical analysis can also be useful in the assessment of the influence of permanent deflections on the interactions between vehicles and other types of bridge structures.

DOI: https://doi.org/10.2478/sgem-2022-0004 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
Language: English
Page range: 97 - 113
Submitted on: Jul 3, 2021
Accepted on: Dec 15, 2021
Published on: Mar 2, 2022
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2022 Mieszko Kużawa, Aleksander Mróz, Jan Bień, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.