<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>32</ref-type><contributors><secondary-authors><author><style face="normal" font="default" size="100%">Silva, Manuel A. G.</style></author><author><style face="normal" font="default" size="100%">Paul Hölscher</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Long-term Behaviour of Railway Transitions under Dynamic Loading</style></title><secondary-title><style face="normal" font="default" size="100%">Universidade Nova de Lisboa</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2013</style></year></dates><pub-location><style face="normal" font="default" size="100%">Lisbon</style></pub-location><work-type><style face="normal" font="default" size="100%">PhD thesis</style></work-type></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>32</ref-type><contributors><secondary-authors><author><style face="normal" font="default" size="100%">J.P. Bilé Serra</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">Modelling dynamic superficial excitation of subsoil (in Portuguese)</style></title><secondary-title><style face="normal" font="default" size="100%">Instituto Superior Técnico da Universidade Técnica de Lisboa</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2005</style></year></dates><urls><related-urls><url><style face="normal" font="default" size="100%">https://docentes.fct.unl.pt/sites/default/files/jnsf/files/t_mestrado_jnv_versao_definitiva.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Lisbon</style></pub-location><work-type><style face="normal" font="default" size="100%">Msc thesis</style></work-type></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Varandas, J.N.</style></author><author><style face="normal" font="default" size="100%">Bilé Serra, J.P.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Relatório 151/97 - NF, Equipamento para realização dos ensaios segundo as normas ASTM D 4253-93 e D 4254-91</style></title></titles><dates><year><style  face="normal" font="default" size="100%">1997</style></year></dates><publisher><style face="normal" font="default" size="100%">LNEC - Laboratório Nacional de Engenharia Civil</style></publisher><pub-location><style face="normal" font="default" size="100%">Lisbon</style></pub-location></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Z. Dimitrovová</style></author><author><style face="normal" font="default" size="100%">Varandas, J.N.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Critical velocity of a load moving on a beam with a sudden change of foundation stiffness: Applications to high-speed trains</style></title><secondary-title><style face="normal" font="default" size="100%">Computers &amp; Structures</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Critical velocities</style></keyword><keyword><style  face="normal" font="default" size="100%">Foundation stiffness</style></keyword><keyword><style  face="normal" font="default" size="100%">High-speed trains</style></keyword><keyword><style  face="normal" font="default" size="100%">Induced vibration</style></keyword><keyword><style  face="normal" font="default" size="100%">Moving load</style></keyword><keyword><style  face="normal" font="default" size="100%">Transition radiation</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><volume><style face="normal" font="default" size="100%">87</style></volume><pages><style face="normal" font="default" size="100%">1224 – 1232</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
</style></abstract><notes><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Varandas, J.N.</style></author><author><style face="normal" font="default" size="100%">Hölscher, P.</style></author><author><style face="normal" font="default" size="100%">Silva, M. A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Dynamic behaviour of railway tracks on transitions zones</style></title><secondary-title><style face="normal" font="default" size="100%">Computers &amp; Structures</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Ballast</style></keyword><keyword><style  face="normal" font="default" size="100%">Hanging sleepers</style></keyword><keyword><style  face="normal" font="default" size="100%">Measurements</style></keyword><keyword><style  face="normal" font="default" size="100%">Non-linear</style></keyword><keyword><style  face="normal" font="default" size="100%">Transition zones</style></keyword><keyword><style  face="normal" font="default" size="100%">Uneven track</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2011</style></year></dates><number><style face="normal" font="default" size="100%">13-14</style></number><volume><style face="normal" font="default" size="100%">89</style></volume><pages><style face="normal" font="default" size="100%">1468–1479</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;{{\textless}p{\textgreater}{\textless}br/{\textgreater}Transition} zones between structures as bridges or box culverts frequently present higher degradation rates compared to the remaining railway. This paper presents a numerical model for the dynamic loads on the ballast caused by trains passing a transition. The model was validated with field data obtained from an extensive field survey conducted in two transition zones in the Netherlands. Results show that the forces on the ballast vary significantly both in time and space on a transition, especially with the appearance of voids under the sleepers. Implications of the results on the long-term behaviour of transition zones are presented.{\textless}/p{\textgreater}&lt;/p&gt;
</style></abstract><notes><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
</style></notes></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Varandas, J.N.</style></author><author><style face="normal" font="default" size="100%">A. Paixão</style></author><author><style face="normal" font="default" size="100%">Fortunato, E.</style></author><author><style face="normal" font="default" size="100%">Hölscher, P.</style></author><author><style face="normal" font="default" size="100%">R. Calçada</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Numerical Modelling of Railway Bridge Approaches: Influence of Soil Non-Linearity</style></title><secondary-title><style face="normal" font="default" size="100%">International Journal of Railway Technology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><volume><style face="normal" font="default" size="100%">3</style></volume><pages><style face="normal" font="default" size="100%">73-95</style></pages><issue><style face="normal" font="default" size="100%">4</style></issue></record><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Varandas, J.N.</style></author><author><style face="normal" font="default" size="100%">Hölscher, P.</style></author><author><style face="normal" font="default" size="100%">Silva, M. A. G.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Settlement of Ballasted Track Under Traffic Loading. Application to Transition Zones</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2014</style></year></dates><volume><style face="normal" font="default" size="100%">228</style></volume><pages><style face="normal" font="default" size="100%">242-259 </style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
</style></abstract><issue><style face="normal" font="default" size="100%">3</style></issue><notes><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
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G.</style></author><author><style face="normal" font="default" size="100%">N. Lopes</style></author><author><style face="normal" font="default" size="100%">Hölscher, P.</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">J. Pombo</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">The Impact of Rail Corrugation on the Degradation of Ballast</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the First International Conference on Railway Technology: Research, Development and Maintenance</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2012</style></year></dates><publisher><style face="normal" font="default" size="100%">Civil-Comp Press</style></publisher><pub-location><style face="normal" font="default" size="100%">Las Palmas de Gran Canaria, Spain</style></pub-location><pages><style face="normal" font="default" size="100%">543–546</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;n/a&lt;/p&gt;
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</style></abstract><notes><style face="normal" font="default" size="100%">&lt;p&gt;paper 19&lt;/p&gt;
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