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Commidities and rail damage

  • A roll-plane simplified model, representing the suspended body-cargo of a railway car, was developed to simulate thedynamic response of a railway car while subjectedto lateral acceleration derived from its traveling along curved tracks. The model provides the means to calculate the suspension forces, which are supposed to be transmitted to the bogie´s wheelset. For the analysis of the potential effect of such forces on the railway fatigue life, different performance measures were considered, under different concepts. A family of curves were produced to analyze the effect of the height of the center of gravity of the body-cargo system, on the different performance measures. The resultingdiagramswereused to assess the rail damage potentials offour different railway cars. Results suggest that the height of the center of gravity, associated to the different types of railway cars, nonlinearly and strongly affects the fatigue lifeof the rail, with the double stack car being theA roll-plane simplified model, representing the suspended body-cargo of a railway car, was developed to simulate thedynamic response of a railway car while subjectedto lateral acceleration derived from its traveling along curved tracks. The model provides the means to calculate the suspension forces, which are supposed to be transmitted to the bogie´s wheelset. For the analysis of the potential effect of such forces on the railway fatigue life, different performance measures were considered, under different concepts. A family of curves were produced to analyze the effect of the height of the center of gravity of the body-cargo system, on the different performance measures. The resultingdiagramswereused to assess the rail damage potentials offour different railway cars. Results suggest that the height of the center of gravity, associated to the different types of railway cars, nonlinearly and strongly affects the fatigue lifeof the rail, with the double stack car being the moreinfrastructure-aggressive. In this respect, experimental evidence should be provided about such remarkable effects, so as to supportsome operational recommendationsthat shouldbe taken to mitigate these effects, including, for example, the regulation of the traveling speed of some vehicles.zeige mehrzeige weniger

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Metadaten
Autoren/innen:José-Antonio Romero-Navarrete, Frank Otremba, A. A. Lozano -Guzmán
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Proceedings of the ASME 2018 International Mechanical Engineering Congress and Exposition
Jahr der Erstveröffentlichung:2018
Organisationseinheit der BAM:3 Gefahrgutumschließungen
3 Gefahrgutumschließungen / 3.2 Gefahrguttanks und Unfallmechanik
Verlag:ASME
Erste Seite:86008-1
Letzte Seite:86008-6
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Commidities; Damage; Rail
Themenfelder/Aktivitätsfelder der BAM:Infrastruktur
Infrastruktur / Transport und Lagerung von Gefahrstoffen und -gütern
Veranstaltung:IMECE 2018 International Mechanical Engineering Congress and Exposition
Veranstaltungsort:Pittsburgh, PA, USA
Beginndatum der Veranstaltung:09.11.2018
Enddatum der Veranstaltung:15.11.2018
URL:http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000465189900035
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.11.2018
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:23.05.2019