Salvador Zuriaga, Pablo; Real Herráiz, Julia Irene; Zamorano, Clara; Villanueva, Antonio(Elsevier, 2011-01)
In recent years, ground vibrations have become an important issue due to the growing awareness of the society about environmental living conditions. In this way, vibrations caused by trains running near houses or workplaces ...
Montalbán Domingo, María Laura; Fernández-Villa, J. A.; Masanet Sendra, Claudio; Real Herráiz, Julia Irene(SAGE PUBLICATIONS LTD, 2015)
The formula derived from Zimmermann s theory is commonly used in railway track design. However, this formula depends on variables such as the ballast coefficient, which are difficult to determine. In recent years, numerical ...
Real Herráiz, Julia Irene; Morales-Ivorra, Silvia; Zamorano-Martín, Clara; Soler Basauri, Vicente(Hindawi Publishing Corporation, 2015)
In recent years, there has been a significant increase in the development of the railway system. Despite the huge benefits of railways, one of the main drawbacks of this mode of transport is vibrations caused by vehicles ...
Real Herráiz, Julia Irene; Asensio Serrano, Tamara; Montalbán Domingo, María Laura; Zamorano, Clara(Research Center of the Public Institution "Vibromechanika", 2012-06)
Vibrations caused by trains and transmitted to the ground and structures nearby are a known source of problems related to railways. Therefore this phenomenon should be studied in detail to avoid a negative impact in the ...
Real Herráiz, Julia Irene; Zamorano, C.; Asensio Serrano, Tamara; Montalbán Domingo, María Laura(Argentinean Association of Computational Mechanics, Brazilian Association of Computational Mechanics, Mexican Association of Numerical Methods in Engineering and Applied Sciences, 2014)
[EN] The last years, ground vibrations have become an important study field due to the increase of the transports needs for society and its amount of running trains associated. The vibrations caused by trains are an important ...
Real Herráiz, Julia Irene; Zamorano, Clara; Hernández, C.; Comendador, R.; Real, T.(Research Center of the Public Institution "Vibromechanika", 2014-06)
The study of vibrations induced by a passing train is of utmost importance to understand
better this phenomenon and to design efficient mitigation measures. Within all the techniques used
to model vibrations, finite ...
Morales-Ivorra, Silvia; Real Herráiz, Julia Irene; Hernández Gracia, César; Montalbán-Domingo, Laura(Springer-Verlag, 2016)
[EN] The effect of the fastener s failure in a railway track on the dynamic forces produced in the wheel-rail
contact is studied using the simulation software VAMPIRE to assess the derailment risk of two different vehicles ...
Real, T.; Montrós Monje, Jorge; Montalbán Domingo, María Laura; Zamorano, Clara; Real Herráiz, Julia Irene(Research Center of the Public Institution "Vibromechanika", 2014-02)
Metropolitan railway transport has become an efficient solution to the mobility necessities in urban areas. Railway track maintenance tasks have to be improved and adjusted to metropolitan requirements, in particular the ...
Montalbán Domingo, María Laura; Real Herráiz, Julia Irene; Zamorano, Clara; Real Herraiz, Teresa Pilar(Argentinean Association of Computational Mechanics, Brazilian Association of Computational Mechanics, Mexican Association of Numerical Methods in Engineering and Applied Sciences, 2014)
The lack of lateral resistance in a curved railway track can produce misalignment problems due to the centrifugal forces when the trains pass through. Moreover, most of the times continuous welded rails (CWR) are used in ...
Real Herráiz, Julia Irene; Salvador Zuriaga, Pablo; Montalbán Domingo, María Laura; Bueno, M.(Professional Engineering Publishing, 2011)
Undergrounds and other metropolitan railway systems are characterized by their intense traffic, lasting up to 20 h per day, and so they need their maintenance work programmes to be optimized, implying an optimization of ...
Real Herráiz, Julia Irene; Montalbán Domingo, María Laura; Real, T.; Puig, V.(Research Center of the Public Institution "Vibromechanika", 2012)
Nowadays, metropolitan railway systems are in great demand, so they offer high-frequency services for the most part of the day. Therefore there are only a few hours during night available to carry out maintenance tasks. ...
Real Herráiz, Julia Irene; Zamorano, Clara; Velarte, José Luis; Blanco, Antonio Enrique(SpringerOpen, 2015-09)
Imperfections in the wheel-rail contact are one of the main sources of generation of railway vibrations. Consequently, it is essential to take expensive corrective maintenance measures, the results of which may be unknown. ...
Real Herraiz, Teresa Pilar(Universitat Politècnica de València, 2017-11-02)
[ES] Como bien es sabido, en los últimos años se han desarrollado numerosos estudios encaminados a ofrecer un transporte ferroviario más seguro y con altas tasas de confort para los usuarios. Sin embargo, las mayores ...
Montalbán Domingo, María Laura(Universitat Politècnica de València, 2015-09-08)
[EN] The increasing globalization of markets has led to a greater volume of both imports and exports in almost all countries over the world.
Regarding the modal split of freight transport, it is easy to see the great ...
Morales Ivorra, Silvia(Universitat Politècnica de València, 2016-10-20)
[EN] Nowadays, railway transport has experienced increases of traffic, axle loads and trains speed. Moreover, track quality, comfort and security requirements are today stricter than ever, especially in high-speed networks. ...
Andrés López, Laura(Universitat Politècnica de València, 2018-10-11)
[ES] Este trabajo fin de máster se realiza en colaboración con el Instituto Universitario de Matemática Multidisciplinar de la Universidad Politécnica de Valencia, en concreto el grupo de investigación liderado por Julia ...
Zornoza Arnao, Adrián(Universitat Politècnica de València, 2019-07-09)
[EN] The present TFM is about obtaining a new vibration-attenuating solution originated by rail transport. This solution consists in the installation of a barrier formed by precast concrete frames applied forming an anti-wave ...
Gallen Broch, Daniel(Universitat Politècnica de València, 2016-09-29)
[EN] In the last few years, the railway has become the most successful conveyance in the market shares. The railway has a huge load capacity and it has also a high utility that makes reduce the pollution in the environment. ...
Llorca Pellicer, Luis(Universitat Politècnica de València, 2015-11-17)
[ES] El fin de esta investigación es la obtención de las fuerzas de contacto-impacto generadas en el paso de una rueda por una junta. En este trabajo se considera más importante las fuerzas de impacto o sobrecargas generadas ...