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- W3089490740 abstract "The rail infrastructure and the track components are expensive assets with long life spans and high maintenance costs. The cost efficiency, performance and punctuality of train operations heavily depend on the track conditions. Ideally, the railway track would be completely smooth providing continuous support to the rolling stock running on it. In practice, however, the infrastructure cannot be installed without irregularities. These defects will increase over time due to the service loads imposed by the railway vehicles. The aim of this work is to use advanced computational tools to predict how the vehicles will respond to changing levels of track defects. For this purpose, the track and its maintenance conditions are characterized in realistic operation scenarios and modelled with detail in order to enable studying the interaction loads that are imposed to the vehicles by the track conditions. The presented methodology enables to identify the track health indexes that have higher influence on the dynamic loads transmitted to the rolling stock. It was observed that the track layout, track irregularities and degradation of the rails have the larger influence on the vehicle-track interaction loads with consequences in terms of safety and maintenance costs. In this way, this work contributes to the development of solutions with technological relevance, giving answer to the industry’s most recent needs in terms of reducing the maintenance costs and decreasing the incidents that cause traffic disruptions, contributing to improve the competitiveness of the railway transport." @default.
- W3089490740 created "2020-10-08" @default.
- W3089490740 creator A5050725692 @default.
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- W3089490740 date "2020-09-29" @default.
- W3089490740 modified "2023-10-06" @default.
- W3089490740 title "Impact of rail infrastructure maintenance conditions on the vehicle-track interaction loads" @default.
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- W3089490740 doi "https://doi.org/10.1177/0954406220962144" @default.
- W3089490740 hasPublicationYear "2020" @default.
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