Listar por autoría "a73e338f-3768-4f37-abae-bf4186afc3e8"
Mostrando ítems 1-20 de 38
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3D analysis of railway induced vibrations on skew girder bridges including ballast track-bridge interaction effects
Sánchez Quesada, Juan Carlos; Romero Ordóñez, Antonio; Galvín, Pedro; Moliner, Emma; Martínez-Rodrigo, María D. Elsevier (2023-01-11)This work is devoted to the analysis of the vibratory response of High-Speed (HS) multi-track railway bridges composed by simply-supported spans. In particular, it aims to investigate the influence of three geometrical ... -
3D printed energy harvesters for railway bridges-Design optimisation
Cámara Molina, Javier Cristóbal; Moliner, Emma; Martínez-Rodrigo, María D.; Connolly, D. P.; Yurchenko, D.; Galvín, Pedro; Romero, A. Elsevier (2023)This paper investigates the optimal design of 3D printed energy harvesters for railway bridges. The type of harvester studied is a cantilever bimorph beam with a mass at the tip and a load resistance. These parameters ... -
A case study on the application of passive control and seismic isolation techniques to cable-stayed bridges: A comparative investigation through non-linear dynamic analyses
Martínez-Rodrigo, María D.; Filiatrault, A. Elsevier (2015-09-15)This paper investigates the seismic performance of an existing steel cable-stayed bridge located in a high seismic zone. In 1988 the structure experienced the failure of one of its anchorage plates needing closure and ... -
An equivalent additional damping approach to assess vehicle-bridge interaction for train-induced vibration of short-span railway bridges.
Yau, J. D.; Martínez-Rodrigo, María D.; Doménech Monforte, Alejandro Elsevier (2019-06-01)Constant moving load models are widely adopted in the dynamic analysis of railway bridges under moving trains. However, the use of this simple model may overestimate the resonant response of simply supported bridges if the ... -
Analysis of the Effect of Soil-Structure Interaction on the Response of Railway Bridges using Boundary Element - Finite Element Methods
Doménech Monforte, Alejandro; Martínez-Rodrigo, María D.; Galvín, Pedro; Romero Ordóñez, Antonio Civil-Comp Press (2016)The dynamic behaviour of short simply-supported railway bridges under convoy circulations and, especially, the effect of soil structure interaction (SSI) in the maximum expectable deck transverse response is the aim of ... -
Ballast shear effects on the dynamic response of railway bridges
Chordà Monsonís, Josep; Romero Ordóñez, Antonio; Moliner, Emma; Galvín, Pedro; Martínez-Rodrigo, María D. Elsevier (2022-10-09)Single-track railway bridges are susceptible of experiencing high levels of vertical acceleration on the deck that may be dangerously accentuated at resonance. This is especially critical for short-to-medium span simply ... -
Ballasted track interaction effects in railway bridges with simply-supported spans composed by adjacent twin single-track decks
Sánchez Quesada, Juan Carlos; Moliner, Emma; Romero, A.; Galvín, Pedro; Martínez-Rodrigo, María D. Elsevier (2021-09-08)This paper is devoted to track-bridge interaction phenomena in railway bridges of short simply-supported (SS) spans composed by ballasted tracks. These structures may experience high vertical acceleration levels under ... -
Dynamic load allowance of long-span modular steel bridges
Chordà Monsonís, Josep; Moliner, Emma; Galvín, Pedro; Martínez-Rodrigo, María D.; Zacchei, Enrico; Tadeu, Antonio; Ferraz, I.; Romero Ordóñez, Antonio Elsevier (2023-02-22)Modular steel bridges are structures whose construction is based on regular prefabricated truss units. This presents several advantages, such as rapid and easy deployment, high adaptability to the terrain and reduced ... -
Dynamic performance of existing double track railway bridges at resonance with the increase of the operational line speed
Moliner, Emma; Martínez-Rodrigo, María D.; Museros, P. Elsevier (2017)This article addresses the dynamic behaviour of double track simply supported bridges of short to medium span lengths (10 m < L < 25 m) belonging to conventional railway lines. These structures are susceptible to experience ... -
Dynamic performance of existing double track railway bridges at resonance with the increase of the operational line speed
Moliner, Emma; Martínez-Rodrigo, María D.; Museros, P. Elsevier (2017-02-01)This article addresses the dynamic behaviour of double track simply supported bridges of short to medium span lengths (10 m < L < 25 m) belonging to conventional railway lines. These structures are susceptible to experience ... -
Dynamic performance of existing high-speed railway bridges under resonant conditions following a retrofit with fluid viscous dampers supported on clamped auxiliary beams
Lavado, J.; Doménech Monforte, Alejandro; Martínez-Rodrigo, María D. Elsevier (2014-02)This contribution investigates the application of Passive Control techniques to reduce the severe transverse vibrations that railway bridges of moderate lengths may experience under resonant conditions. The proposed solution ... -
Dynamic performance of existing high-speed railway bridges under resonant conditions retrofitted with fluid viscous dampers
Martínez-Rodrigo, María D.; Lavado, J.; Museros, P. Elsevier (2010)This paper deals with the application of Passive Control techniques to mitigate the excessive vibrations that short simply supported railway bridges may undergo under the circulation of High-Speed trains. A possible solution ... -
Dynamic properties of two pedestrian woodn bridges incluiding seasonal effects
Hallak, John; Ibisevic, Aida; Ugur, Hasanhüseyin; Battini, Jean-Marc; Crocetti, Roberto; Pacoste, Costin; Martínez-Rodrigo, María D. National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research (2020-09)The dynamic properties of two pedestrian wooden bridges situated in the Stockholm area have been determined experimentally. The main purpose was to investigate if these properties are season dependent. For that, tests ... -
Effect of soil properties on the dynamic response of simply-supported bridges under railway traffic through coupled boundary element-finite element analyses
Martínez-Rodrigo, María D.; Galvín, Pedro; Doménech Monforte, Alejandro; Romero Ordóñez, Antonio Elsevier (2018-09-01)Railway induced vibrations on short-to-medium span simply-supported (SS) bridges is addressed in this contribution. Such structures may experience high levels of vertical acceleration at the platform, leading to adverse ... -
Effect of the end cross beams on the railway induced vibrations of short girder bridges
Moliner, Emma; Romero Ordóñez, Antonio; Galvín, Pedro; Martínez-Rodrigo, María D. Elsevier (2019-12-15)This work is devoted to the analysis of the railway-induced vertical vibrations of simplysupported double track bridges composed by pre-stressed concrete girder decks. Despite the low torsional stiffness that this particular ... -
Energy harvesting analysis in railway bridges: an approach based on modal decomposition
Romero, A.; Cámara Molina, Javier Cristóbal; Moliner, Emma; Galvín, Pedro; Martínez-Rodrigo, María D. Elsevier (2021)In this paper the authors investigate the energy harvesting in railway bridges and analyse the performance under different operational conditions. An approximation based on modal superposition is proposed for the computation ... -
Experimental and Numerical Dynamic Properties of Two Timber Footbridges Including Seasonal Efects
Neilson, John Hallak; Ibisevic, Aida; Ugur, Hasanhüseyin; Battini, Jean-Marc; Crocetti, Roberto; Pacoste, Costin; Martínez-Rodrigo, María D. Springer (2021-05-06)This paper deals with experimental and numerical dynamic analyses of two timber footbridges. Both bridges have a span of 35 m and consist of a timber deck supported by two timber arches. The main purpose is to investigate ... -
Experimental study of railway bridges of several structural typologies
Galvín, Pedro; Moliner, Emma; Romero Ordóñez, Antonio; Martínez-Rodrigo, María D. National Technical University of Athens (NTUA). Institute of Structural Analysis and Antiseismic Research (2020-09)This work is devoted to the experimental evaluation of the dynamic response of railway bridges with common typologies in short-to-medium spans. -
Fast simulation of railway bridge dynamics accounting for soil–structure interaction
Galvín, Pedro; Romero Ordóñez, Antonio; Moliner, Emma; Connolly, David P.; Martínez-Rodrigo, María D. Springer (2021)A novel numerical methodology is presented to solve the dynamic response of railway bridges under the passage of running trains, considering soil–structure interaction. It is advantageous compared to alternative approaches ... -
Free vibrations of simply-supported beam bridges under moving loads: Maximum resonance, cancellation and resonant vertical acceleration
Museros, P.; Moliner, Emma; Martínez-Rodrigo, María D. Elsevier (2013)The advent of high-speed railways has raised many concerns regarding the behaviour of bridges. Particularly, the analysis of the free vibrations generated by each load is of great interest because they can possibly accumulate ...