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Influence of velocity pulse effect on earthquake-induced track irregularities of high-speed railway track–bridge system under near-fault ground motions
The near-fault ground motion records show a noticeable velocity pulse effect, which poses a significant seismic threat to the high-speed railway...
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A seismic response prediction method based on a self-optimized Bayesian Bi-LSTM mixed network for high-speed railway track-bridge system
The construction of China’s high-speed railway (HSR) network has reached earthquake-prone regions, necessitating a timely and accurate post-disaster...
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A model considering the longitudinal track–bridge interaction in ballasted railway bridges subjected to high-speed trains
In this paper, a dynamic interaction model of the coupled system of railway bridge, foundation, subsoil, ballast, track, and high-speed train is...
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Influence of mortar gap on natural vibration frequencies of high-speed railway track-bridge system
Based on Hamilton’s principle, the differential equations of free vibration of track-bridge systems with mortar gap are derived. Hence, a method for...
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Effects of shear panel dampers on seismic response mitigation of high-speed railway simply supported bridge-track system under far-field and near-field ground motions
High-speed railway lines always have to cross the seismic zone with great earthquake risks leading to serious consequences. A replaceable steel panel...
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Acceleration Evaluation of a High-Speed Railway PC Box Girder Bridge with Slab Track
The resonance of railway bridges that occurs under high-speed trains passage is an important academic and practical issue. The bridge design code in...
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Seismic analysis of high-speed railway irregular bridge–track system considering V-shaped canyon effect
To explore the effect of canyon topography on the seismic response of railway irregular bridge–track system that crosses a V-shaped canyon, seismic...
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Vibration Transmission of Ballastless Track-bridge with Different Span Lengths under Updated High-speed Trains
As an important indicator of dynamic performance, the vibration transmission among multi-layer track-bridge structures for different bridge spans...
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Dynamic interaction analysis of a high-speed train vehicle and a thin-walled curved box-girder bridge with a sub-track system by finite element method
The merging tendencies of lightweight bridges carrying heavy and fast-moving trains have necessitated a greater understanding of the coupled dynamic...
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Seismic applicability analysis of high-speed railway multi-span simply-supported bridges based on simplified model
CRTS II ballastless track is more commonly used in railway operations since it can meet the railway comfort and smoothness requirements. The effects...
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Running safety and seismic optimization of a fault-crossing simply-supported girder bridge for high-speed railways based on a train-track-bridge coupling system
Bridges crossing active faults are more likely to suffer serious damage or even collapse due to the wreck capabilities of near-fault pulses and...
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High-Speed Railway Lines
Railway lines refer to all infrastructures except for power supply, overhead contact line system and communication signals, including subgrades,...
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Influence of pier height on the safety of trains running on high-speed railway bridges during earthquakes
Sudden earthquakes pose a threat to the running safety of trains on high-speed railway bridges, and the stiffness of piers is one of the factors...
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Dynamic responses of a train-track-bridge coupled system under earthquakes
The probability of a train running over a bridge when an earthquake occurs is increasing with the total mileage of China’s high-speed railway network...
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Transverse seismic analysis of high-speed railway bridge in China based on a simplified calculation model
In seismic analyses of high-speed railway simply-supported bridges, the constraint imposed by the track structure is non-negligible. Despite its...
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Dynamic analysis of railway bridges exposed to high-speed trains considering the vehicle–track–bridge–soil interaction
A new semi-analytical approach to analyze the dynamic response of railway bridges subjected to high-speed trains is presented. The bridge is modeled...
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High-Speed Railway Transportation Organization
High-speed railway is the product of modern economic and social development and transportation market competition. Its emergence and development have...
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High-Speed Railway Power Supply System
High-speed electrified railways refer to railways configured with the electric traction power supply system which provides the operating ability to...
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Superstructure System Selection for High-Speed Railway Tracks Considering Geotechnical Aspects: A Case Study
A decision-making model for high-speed railway track superstructure selection was developed in this paper. This model first evaluates the technical...
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Study on the influence of damage characteristics of longitudinal ballastless track on the dynamic performance of train-track-bridge coupled systems
High-speed railway bridges are inevitably damaged under external loads during operation, which may lead to abnormal vibration of trains, and even...
