ON THE CRITIAL VELOCITY OF A VEHICLE MOVING ON THE BRIDGE

Nguyễn Văn Khang, Nguyễn Thị Vân Hương, Nguyễn Đức Phong

Abstract


Vibration model of a vehicle on the bridge is modeled by a mass - spring - damper system moving on an elastic beam. This paper presents the results of a new study on determining the critical velocity of a vehicle moving on the beam bridge. The critical velocity of the vehicle calculated according to the new model is much smaller than that calculated according to the old formula.

 


Keywords


elastically vibration, modeling, critical velocity of the vehicle, numerical simulation, prestressed beam.



DOI: https://doi.org/10.15625/0866-708X/54/3/5930 Display counter: Abstract : 149 views. PDF (Tiếng Việt) : 433 views.

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Published by Vietnam Academy of Science and Technology