...Dong Doan Van; Phuoc Nguyen Huu; Hieu Vo Dinh; Tri Tran Cong Purpose High-speed railway development in Vietnam requires an early assessment of wheel-rail degradation mechanisms. This study investigates wheel wear evolution and rolling contact fatigue (RCF) risk under representative high-speed...

...Huizhang Xu Purpose This study investigates the impact of flagship trains on high-speed railway capacity utilization and develops a brand value-oriented optimization framework that balances service quality enhancement with operational efficiency. Design/methodology/approach A mathematical...

... of the track slab is determined according to the track slab type. An example of surface parameters is shown in Table 2 . Software development Digital design Subgrade High-speed railway Railway subgrade plays a pivotal role in providing track support, distributing loads, and ensuring...

...Bolun An; Jiapeng Liu; Guang Yang; Feng shou Liu; Tong Shi; Ming Zhai Purpose To investigate the influence of vehicle operation speed, curve geometry parameters and rail profile parameters on wheel–rail creepage in high-speed railway curves and propose a multi-parameter coordinated optimization...

... a rapid decrease in the lateral stability of the high-speed EMU. High-speed railway Periodic hunting Rapid diagnosis CEEMDAN STFT Permutation entropy High-speed turnouts are one of the important yet fragile pieces of equipment in high-speed railway track systems; therefore...

... is to develop a specific acoustic roughness spectrum tailored for China’s high-speed railway system, as no such spectrum currently exists. Design/methodology/approach A long-term tracking study was conducted on major railway lines in China, monitoring rail roughness throughout the initial operational period...

...Xin Bai; Jiaxu Chen Purpose Safety management is a key point and poses a challenge in joint testing. To detect and address potential accidents' hidden dangers early, this paper conducts research on the safety control technology for high-speed railway joint tests by incorporating the concept...

... of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode Track geometry inspection equipment High-speed comprehensive inspection Potential tapping requirements and technological direction High-speed railway The high-speed comprehensive inspection train is high...

...), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode High-speed railway Centralized traffic control Risk assessment Game theory Cloud model The CTC system is a telecontrol...

... of studying the impact of EMI as an unavoidable and widespread risk factor in the external environment of high-speed railway operations and continuous development. The current status of research methods and achievements from the perspectives of standard systems, reliability analysis and safety assessment...

... principles for revising the regulations on railway technical management (RRTM) are proposed and suggestions and evaluation methods according to the main clauses are put forward. Findings Basic principles for revising the RRTM are proposed, namely “to meet the actual needs of on-site high-speed railway...

...Shuxin Ding; Tao Zhang; Kai Sheng; Yuanyuan Chen; Zhiming Yuan Purpose The intelligent Central Traffic Control (CTC) system plays a vital role in establishing an intelligent high-speed railway (HSR) system. As the core of HSR transportation command, the intelligent CTC system is a new HSR...

...Rongsheng Wang; Tao Zhang; Zhiming Yuan; Shuxin Ding; Qi Zhang Purpose This paper aims to propose a train timetable rescheduling (TTR) approach from the perspective of multi-train tracking optimization based on the mutual spatiotemporal information in the high-speed railway signaling system...

...), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode Rock tunnel Surrounding rock Heterogeneity Support vector machine High-speed railway The excavation section area...

... synchronization MPC High-speed railway The train control system, central to high-speed railways, consists of core technical equipment that ensures the operational safety and improves the operational efficiency of high-speed railways. At present, Chinese Train Control System Level 3 (CTCS-3) uses a train...

...Qinghong Fu Purpose This study aims to investigate the service performances of a new full-section asphalt concrete waterproof sealing structure (FSACWSS) for the high-speed railway subgrade through on-site tracking, monitoring and post-construction investigation. Design/methodology/approach...

...Yangsheng Ye; Degou Cai; Lin Geng; Hongye Yan; Junkai Yao; Feng Chen Purpose This study aims to propose a semiempirical and semitheoretical cyclic compaction constitutive model of coarse-grained soil filler for the high-speed railway (HSR) subgrade under cyclic load. Design/methodology/approach...

...), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode High-speed railway Trains passing each other Vehicle-bridge coupling system Crosswind Speed threshold With bridge...

..., the prediction time window was established at an interval of 0.5 s. 12 P-wave characteristic parameters were selected as the model input parameters to construct the earthquake early warning (EEW) magnitude prediction model (SVM-HRM) for high-speed railway based on SVM. Findings The magnitude...

..., and synchronously take into account the increase of train density and weight. At the stage of developing high-speed railway, train speed, density and weight are co-developing on demand. Findings The train speed of high-speed railway will be 400 km h⁻¹, the interval time of train tracking will be 3...