Impact of high-speed Trains on Vibration-Induced Wear and Fatigue in Rail Tracks
Abstract
The global expansion of high-speed trains (HSTs) presents significant challenges related to rail track integrity, particularly concerning vibration-induced wear and fatigue that impact the safety and efficiency of railway systems. This study investigates the effects of HST operations on track deterioration, with a focus on the dynamic behavior of rail structures under high-speed movement. Finite Element Analysis (FEA) simulations and rig tests conducted over millions of loading cycles were used to evaluate stress distribution, vibration frequencies, wear rates, and fatigue life of rail tracks. The findings indicate that increased HST activity leads to higher stress and vibration levels, consequently reducing the fatigue life of rail infrastructure. Mitigation strategies explored in this research include enhanced track support systems, advanced rail materials, vibration-damping instruments, and improved monitoring technologies. The results demonstrate that adopting these techniques can significantly reduce vibration effects and improve rail durability. This study offers valuable insights for rail network operators and engineers in designing and maintaining robust infrastructure capable of withstanding the demands of highspeed rail transport.
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