A methodology for analyzing the lateral train-structure interaction: application in two case studies
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 449
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شناسه ملی سند علمی:
ICRARE06_013
تاریخ نمایه سازی: 6 بهمن 1398
چکیده مقاله:
A methodology for analyzing the lateral train-structure interaction is proposed in this article. The wheel-rail contact formulation incorporated in the methodology consists inthree main steps: the geometrical problem, where the contact point position is detected; the normal contact problem, in which the forces are determined based on the Hertz theory, and the tangential contact problem, where the creep forces are calculated using the rolling friction laws proposed by Kalker. Two application cases are presented related to the running safety assessment of a train moving over bridges subjected to earthquakes and a crosswinds. The dynamic response of both the bridges and the train are discussed and the running safety is assessed using criteria existent in the literature
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نویسندگان
P.A Montenegro
CONSTRUCT - LESE, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n,۴۲۰۰-۴۶۵ Porto, Portugal
Robert Calçada
CONSTRUCT - LESE, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias s/n,۴۲۰۰-۴۶۵ Porto, Portugal