Random vibration analysis of train-track-bridge systems considering random fatigue damage in cement asphalt mortar layers

Jianfeng Mao, Mansoor Khan, Xiaotong Chen, Zhiwu Yu, Jun Wu, School of Civil Engineering, Central South University, National Engineering Research Center of High-Speed Railway Construction Technology, China Railway Group Limited

Journal of Vibration and Control

Published online on October 24, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
The dynamic interactions in train-track-bridge (TTB) systems are crucial for high-speed railway (HSR) safety. The random fatigue damage (RFD) of cement asphalt (CA) mortar layers, a vital interlayer for force transmission, has not been fully explored in ...