Results 21 to 30 of about 15,657 (289)

Evaluating the Service Performance of Heavy Axle Load Ballasted Railway by Using Numerical Simulation Method

Applied Sciences, 2022
To evaluate the service performance of the track substructure of heavy axle load (HAL) railway transportation, an inverse analysis was performed to estimate the resilient modulus values of the track substructure, based on the deflection data obtained ...
Shuang Tian, Xianzhang Ling, Ting Li, Andrew Chan, Ionut-Razvan Georgescu   +4 more
doaj   +1 more source

Enhancing railway track stiffness and sustainability through flowable dredged soil backfill

Tạp chí Khoa học và Công nghệ, 2023
This study investigates flowable dredged soil backfill using air-foam technology and simulates a bridge approach structure under high-speed train loads.
Tri Ho Minh Le
doaj   +1 more source

Diagnostics of the Deformation Resistance of the Track Bed in the Inter -Station Section Palárikovo - Nové Zámky - Track No. 1

Civil and Environmental Engineering, 2023
The fundamental pillars of the emerging European integrated railway area include improving the safety of rail transport and the quality parameters of railway lines and ensuring their interoperability.
Ižvolt Libor, Dobeš Peter, Mečár Martin   +2 more
doaj   +1 more source

A Coupled Biomechanical-Smoothed Particle Hydrodynamics Model for Horse Racing Tracks

Frontiers in Bioengineering and Biotechnology, 2022
Distal limb injuries are common in racing horses and track surface properties have been associated with injury risk. To better understand how track surfaces may contribute to equine limb injury, we developed the first 3D computational model of the equine
Simon M. Harrison, R. Chris Whitton, Susan M. Stover, Jennifer E. Symons, Paul W. Cleary   +4 more
doaj   +1 more source

Analytic Method for Vibration Analysis of Track Structure Induced by High-Speed Train

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2021
Nowadays, the increase in heavy freight rail transport and high-speed train (HST) operations has encouraged scientists to investigate the dynamic response of rail structures under moving load using analytically and numerically computational methods.
Mehmet Akif Koç
doaj   +1 more source

RECENT RESEARCHES OF THE LATERAL FLEXIBILITY OF RAIL THREAD UNDER COMBINED ACTION OF VERTICAL AND HORIZONTAL FORCES

Nauka ta progres transportu, 2015
Purpose. Studying the characteristics of spatial flexibility of rail thread is necessary for solving problems in calculation rails durability in full formulation, namely under combined action of vertical and horizontal forces and torque moment on the ...
E. I. Danilenko
doaj   +1 more source

Rutting Performance of Semi-Rigid Base Pavement in RIOHTrack and Laboratory Evaluation

Frontiers in Materials, 2021
Through a simple performance dynamic modulus test (SPT), standard rutting test, Hamburg rutting test, French rutting test and asphalt pavement analyzer rutting test, the rutting resistance of asphalt mixtures in the middle and lower courses of three semi-
Sheng Li, Mengmeng Fan, Lukai Xu, Wendi Tian, Huanan Yu, Ke Xu   +5 more
doaj   +1 more source

Generation mechanism and remedy method of rail corrugation at a sharp curved metro track with Vanguard fasteners

Journal of Low Frequency Noise, Vibration and Active Control, 2020
In Chinese metro lines, Vanguard fastener system is widely used as vibration damping fastener. However, the rails mounted with this fastener system are deeply affected by rail corrugation.
BW Wu, GX Chen, JZ Lv, Q Zhu, X Kang
doaj   +1 more source

Scoping prediction of re-radiated ground-borne noise and vibration near high speed rail lines with variable soils [PDF]

, 2014
This paper outlines a vibration prediction tool, ScopeRail, capable of predicting in-door noise and vibration, within structures in close proximity to high speed railway lines.
Woodward, P. K., Verlinden, Olivier, Connolly, D. P., Connolly, D.P., Giannopoulos, Antonis, Woodward, Peter, Kouroussis, Georges, Forde, Mike C, Forde, M.C., Connolly, David, Forde, M. C., Giannopoulos, A, Woodward, P.K., Forde, MC, Kouroussis, G., Verlinden, O, Forde, Mike, Giannopoulos, A.; id_orcid, Giannopoulos, A., Verlinden, O., Woodward, PK, Connolly, DP, Kouroussis, G, Woodward, Peter Keith   +23 more
core   +1 more source

Assessing the Impact of Sand-Induced Ballast Fouling on Track Stiffness and Settlement

Geotechnics
This study investigates the impact of sand-induced ballast fouling on railway track performance, focusing on track stiffness (modulus), settlement, and overall degradation.
Mohammed A. Alzhrani, Joseph W. Palese, Allan M. Zarembski    +2 more
doaj   +1 more source