Mostrando ítems 1-4 de 4
García Álvarez, Alberto (Fecha de defensa: 2012-04-13)
The thesis analyses the effect of an increase in speed on energy consumption, pollutant emissions and railway operating costs. Besides focusing on the direct consequences of speed variation, the analysis ...
Teixeira, Paulo Fonseca (Fecha de defensa: 2004-01-21)
La experiencia adquirida en las líneas de alta velocidad en explotación comercial ha puesto de relieve la importancia de la rigidez vertical de la vía y en particular la conveniencia de limitar su ...
Sánchez Borràs, Marta (Fecha de defensa: 2009-07-21)
European railways have been immersed since the nineties in a restructuring process aimed at improving the effectiveness, quality and economic efficiency of the provision of railway services, as well as ...
González Franco, Ignacio (Fecha de defensa: 2015-12-21)
Over the past 30 years, high speed railway in Europe has experienced a great development due to, among other things, the reduction of travel times, the increase of frequency and the continuous improvement ...