Railway Sciences: Volume 3 Issue 2 , Open Access

Theory and practice for assessing structural integrity and dynamical integrity of high-speed trains

Weihua Zhang, Yuanchen Zeng, Dongli Song, Zhiwei Wang

The safety and reliability of high-speed trains rely on the structural integrity of their components and the dynamic performance of the entire vehicle system. This paper aims to…

Research on uninterruptable power supply technology for auxiliary winding of electric locomotive while passing the neutral section

Yuliang Du

Auxiliary power system is an indispensable part of the train; the auxiliary systems of both electric locomotives and EMUs mainly are powered by one of the two ways, which are…

Research on the evolution law of dynamic performance of CR400BF EMU train based on stochastic dynamics simulation

Di Cheng, Yuqing Wen, Zhiqiang Guo, Xiaoyi Hu, Pengsong Wang, Zhikun Song

This paper aims to obtain the evolution law of dynamic performance of CR400BF electric multiple unit (EMU).

Analysis of wheel-rail adhesion redundancy considering the third-body medium on the rail surface

Chun Tian, Gengwei Zhai, Mengling Wu, Jiajun Zhou, Yaojie Li

In response to the problem of insufficient traction/braking adhesion force caused by the existence of the third-body medium on the rail surface, this study aims to analyze the…

A critical review of wheel/rail high frequency vibration-induced vibration fatigue of railway bogie in China

Xingwen Wu, Zhenxian Zhang, Wubin Cai, Ningrui Yang, Xuesong Jin, Ping Wang, Zefeng Wen, Maoru Chi, Shuling Liang, Yunhua Huang

This review aims to give a critical view of the wheel/rail high frequency vibration-induced vibration fatigue in railway bogie.

Analysis on the development of chemically-improved soil in railway engineering

Feng Chen, Zhongjin Wang, Dong Zhang, Shuai Zeng

Explore the development trend of chemically-improved soil in railway engineering.

Study on physical and mechanical properties of cement asphalt emulsified mortar under track slab

Tao Wang, Shaoliang Wu, Hengqiong Jia, Shanqing Peng, Haiyan Li, Piyan Shao, Zhao Wei, Yi Shi

During the construction process of the China Railway Track System (CRTS) I type filling layer, the nonwoven fabric bags have been used as grouting templates for cement asphalt…

Key technologies of earthquake early warning system for China’s high-speed railway

Geming Zhang, Lin Yang, Wenxiang Jiang

The purpose of this study is to introduce the top-level design ideas and the overall architecture of earthquake early-warning system for high speed railways in China, which is…