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Vehicle speed influence on the dynamic amplification factor of bridges

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2019
NS2019.014.pdf (627.9Kb)
Authors
Savatović, Siniša
Salatić, Ratko
Mišković, Zoran
Conference object (Published version)
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Abstract
The paper presents an analysis of the influence of vehicle speed movement along bridge on dynamic amplification factor for the case of simply supported, continuous and clamped beam structural system. The analysis was conducted analytically and numerically. Theoretical expressions was developed for the case of movement a concentrated force over the bridge over simply supported beam structural system, while other cases were analyzed numerically. Two cases, movement of concentrated force and system of concentrated forces were considered. The comparative results for the most unfavorable case, with the valid domestic and foreign regulations, compared and presented. The results showed that it is a more unfavorable case when vehicles are moving at higher speeds on short-span bridges, as well as that one concentrated force produces greater dynamic effects than a system of concentrated forces, as well as the simply supported beam system is the most sensitive on dynamic loads respect ...to other structural systems.

Keywords:
Dynamic Amplification Factor / vehicle speed movement / bridges structures
Source:
7Th International Conference Contemporary Achievements in Civil Engineering, Subotica, April 2019., 2019, 179-188
Publisher:
  • Faculty of Civil Engineering Subotica University of Novi Sad
Projects:
  • Research on condition assessment and improvement methods of civil engineering structures in view of their serviceability, load-bearing capacity, cost effectiveness and maintenance (RS-36048)

DOI: 10.14415/konferencijaGFS2019.014

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URI
https://grafar.grf.bg.ac.rs/handle/123456789/2251
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