2D train-track-bridge interaction analysis considering the effect of ballasted tracks
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Từ khóa:
Train-track-bridge interaction
ballasted track
FEM
vertical dynamic response
urban railway line
Tóm tắt
This paper investigates the effect of ballasted tracks on the dynamic interaction between train, track, and bridge systems. A 2D interaction model is developed, incorporating detailed representations of the bridge, train, and track, with and without ballasted tracks. The Cat Linh - Ha Dong urban railway line on a simply supported bridge in Hanoi is used as a case study to perform parametric analysis, evaluating how variations in track parameters influence the dynamic responses of the bridge, train, and track. The numerical results reveal a significant dynamic vertical coupling between the bridge decks, highlighting the critical importance of including ballasted tracks in the modeling process of these structures.
Tài liệu tham khảo
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Nov 30, 2024
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Cách trích dẫn
Duc, T. L. A., P. H. Nam, N. V. My, T. D. Quang, và F. Paolacci. “2D Train-Track-Bridge Interaction Analysis Considering the Effect of Ballasted Tracks”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 22, số p.h 11B, Tháng Mười-Một 2024, tr 1-7, doi:10.31130/ud-jst.2024.509E.
