Railway Sciences: Volume 2 Issue 4 , Open Access

Current state and predicted technological trends in global railway intelligent digital transformation

Ping Li, Rui Xue, Sai Shao, Yuhao Zhu, Yi Liu

In recent years, railway systems worldwide have faced challenges such as the modernization of engineering projects, efficient management of intelligent digital railway equipment…

Exceeding probability analysis for rail of high-speed railway under seismic excitations

Hongping Xing, Yu Liu, Xiaodan Sun

The smoothness of the high-speed railway (HSR) on the bridge may exceed the allowable standard when an earthquake causes vibrations for HSR bridges, which may threaten the safety…

Development of rail technology for high speed railway in China

FengShou Liu, Guang Yang, Zhaoyang Chen, Yinhua Zhang, Qingyue Zhou

The purpose of this paper is to summarize the status and characteristics of rail technology of high-speed railway in China, and point out the development direction of rail…

Influences of cement asphalt emulsified mortar construction on track slab geometry status

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

The construction of cement asphalt (CA) emulsified mortar can obviously disturb the slab status after the fine adjustment. To decrease or eliminate the influence of CA mortar…

Research on heavy-haul adaptive technology and strengthening measures for existing railway steel bridge

Xiaochen Ju

This research addresses the diverse characteristics of existing railway steel bridges in China, including variations in construction age, design standards, structural types…

Energy model based sensorless estimation method for operational temperature of braking resistor onboard metro vehicles

Leiting Zhao, Kan Liu, Donghui Liu, Zheming Jin

This study aims to improve the availability of regenerative braking for urban metro vehicles by introducing a sensorless operational temperature estimation method for the braking…

Typical faults and safety analysis of brake controller for AC locomotive

Yujie Ren, Hai Chi

The brake controller is a key component of the locomotive brake system. It is essential to study its safety.

Simulation study on the influence of longitudinal dynamic force on extreme-long heavy-haul trains

Chongyi Chang, Gang Guo, Wen He, Zhendong Liu

The objective of this study is to investigate the impact of longitudinal forces on extreme-long heavy-haul trains, providing new insights and methods for their design and…

Wheel/rail-force–based maintenance interval extension of the C80 series wagon

Qi Xiao, Weidong Yu, Guangrong Tian, Fangxuan Li

This study aims to introduce the achievements and benefits of applying wheel/rail-force–based maintenance interval extension of the C80 series wagon in China.

Research on design methodology for railway freight service combination plans to meet diverse demands

Yao Wang

Facing the diverse needs of large-scale customers, based on available railway service resources and service capabilities, this paper aims to research the design method of railway…

Research on revision of relevant provisions of high-speed railway emergency disposal in the regulations on railway technical management (RRTM)

Jiehang Deng, Gengjie Sun

This study aims to improve the rules and regulations system of high-speed rail emergency disposal.