Search
Search Results
-
Performance Evaluation of a Combined Transition System in Slab-Ballasted Railway Track Using a Vehicle-Track-Substructure Interaction Model
Abrupt stiffness variations along the railway track may increase the geometrical and mechanical defects of railway lines. The conjunction points of a...
-
Modeling of Large Sliding Between Contacting Bodies by Penalty-Based Element-Free Galerkin Method Using Node-to-Segment Approach
The present study investigates large sliding contact behavior between solid bodies by employing the element-free Galerkin method (EFGM), which is a...
-
Investigation of Concrete Damage on a Prefabricated Steel Spring Floating Slab Track by Finite Element Modelling
To investigate the concrete damage of prefabricated steel spring floating slab tracks (SSFST), a three-slab prefabricated SSFST system was...
-
Vehicle–track–tunnel dynamic interaction: a finite/infinite element modelling method
The aim of this study is to develop coupled matrix formulations to characterize the dynamic interaction between the vehicle, track, and tunnel. The...
-
A Three-Stage Prediction Method for Track Displacement During Shield Tunneling
Track displacement is an important factor of track irregularity. Existing researches related with track displacement prediction generally ignore the...
-
Ground movement and settlement prediction induced by double-track curvature shield tunneling
In this paper, the deformation response of the stratum in the vicinity of a tunnel is investigated based on a case study in Tian**. A method to...
-
The Ground Segment
This chapter provides an overview of the ground segment design and the most common functional requirements it needs to fulfil. These functions...
-
Investigation of Metro Train-Induced Environmental Vibration Using a Coupled Sliced Finite Element-Infinite Element Model
A coupled sliced finite element-infinite element model is developed to analyse the train-induced environmental vibration from metro tunnel by...
-
An innovative rheological approach for predicting the behaviour of critical zones in a railway track
The poor performance of critical zones along a railway line has long been a subject of concern for rail infrastructure managers. The rapid...
-
Finite Element Modelling of Geogrids Reinforced Ballasted Tracks
This paper presents results obtained from three-dimension finite element modelling (FEM) to study the effects of geogrids on the deformation...
-
A combined method for simulating track irregularities with full information and small samples
In order to improve the accuracy and efficiency of the train-track-bridge coupled system (TTBS) dynamics random analysis under the excitation of...
-
Characteristics of elastic wave propagation and anomalous Doppler effect in the periodic structure of floating slab track
Floating slab track is widely used in urban rail transit because of its proven vibration attenuation and isolation performance. To investigate the...
-
Dense velocity reconstruction with VIC-based time-segment assimilation
The vortex-in-cell time-segment assimilation (VIC-TSA) method is introduced. A particle track is obtained from a finite number of successive time...
-
Algorithm and Software Implementation of Track Chain Automatic Assembly for Tracked Vehicle
With the high-speed improvement of computer processing speed and the continuous development of multibody dynamics commercial software, these...
-
Effect of Crack Length, Depth, and Location on Natural Frequencies of Railway Track
Damages such as a crack location and length in a vibrating component might cause catastrophic failures. The existence of cracks alters the physical...
-
Investigation of wave propagation and attenuation in periodic supported rails using wave finite element method
The identification of frequency zones where waves propagate freely (i.e., propagation zones) and where they are attenuated (i.e., attenuation zones)...
-
Track System Dynamic Analysis by the Riccati Multibody System Transfer Matrix Method
The track systems are an important part of the tracked vehicle dynamics modeling. The Riccati Multibody System Transfer Matrix Method (RMSTMM) is...
-
Self-Propelled Ultrasonic Rail Testing (SPURT) Car Using Ultrasonic Technique to Monitor Railway Track Defects: An Innovation Model for Indian Railway
To enhance safety measures, the Indian Railways is embracing an advanced approach to detect track defects early and prevent derailments. This new...
-
On dynamic analysis method for large-scale train–track–substructure interaction
Train–track–substructure dynamic interaction is an extension of the vehicle–track coupled dynamics. It contributes to evaluate dynamic interaction...
-
Influence of Frost Heave Induced Track Deformation on Ballast Settlement of Culvert Transition Zone in Freezing Period
In the seasonally frozen regions, railway subgrades are subjected to freeze-thaw cycles due to environmental temperature change. The railway track is...