Results 91 to 100 of about 19,165 (224)

A dynamic model of ballasted rail track with bituminous sub-ballast layer [PDF]

, 2012
The bituminous sub-ballast layer within the ballasted rail track allows some mechanical and environmental advantages. An analytical model of a ballasted rail track with sub-ballast layer has been proposed by considering the rail as viscous-elastic ...
Di Liberto, CM, DI MINO, Gaetano, Maggiore, C, NOTO, Silvia   +3 more
core   +1 more source

Modeling and Characterization of Complex Dynamical Properties of Railway Ballast

Applied Sciences
The nonlinear mechanical properties of ballasted tracks along railways result in complex dynamics of the vehicle–track systems. Employing localized characterization of ballast and a simplified model might underestimate the vehicle–track system’s ...
Xia Hua, Wael Zatar, Xiangle Cheng, Gang S. Chen, Yini She, Xiaotian Xu, Zhicheng Liao   +6 more
doaj   +1 more source

Efficient DEM simulations of railway ballast using simple particle shapes. [PDF]

Granul Matter, 2022
Suhr B, Six K.
europepmc   +1 more source

State-of-the-Art Review of Ground Penetrating Radar (GPR) Applications for Railway Ballast Inspection. [PDF]

Sensors (Basel), 2022
Wang S, Liu G, Jing G, Feng Q, Liu H, Guo Y.   +5 more
europepmc   +1 more source

Fast computation: a steady-state simulation of railways ballasted track settlement [PDF]

, 2017
Geometryofballastedrailwaystrackisamajorconcerninrailroadssafetyand efficiency. Settlement of railways ballast has been studied to help railway infrastructure managers to keep infrastructures in shape and to prevent accidents.
Badinier, Thibault, Maïolino, Siegfried, Maïtournam, Habibou   +2 more
core  

Microgrid reinforcement of scaled railway ballast

E3S Web of Conferences
Ballasted tracks are predominant on railways worldwide. Previous research on random fibre reinforcement of scaled ballast has shown that flexible polymeric fibres can increase the shear resistance and ductility of the ballast. Owing to the difficulty of testing very coarse materials in standard laboratory apparatus, scaled-down materials have been ...
Rafael Anjos, Victor Neto, Margarida Pinho-Lopes, William Powrie   +3 more
openaire   +1 more source

DEM modelling of railway ballast using the Conical Damage Model: a comprehensive parametrisation strategy. [PDF]

Granul Matter, 2022
Suhr B, Skipper WA, Lewis R, Six K.
europepmc   +1 more source

Modal identification of single-span railway viaducts [PDF]

, 2005
The paper reports on the results of the modal identification of several small to medium span railway viaducts. The identification was based mainly on the free vibration of each structure immediately after the train passages.
Rebelo, Carlos, Rigueiro, Constança, Silva, Luís Simões da   +2 more
core  

Wear and Fatigue of Railway Track Caused by Contamination, Sanding and Surface Damage [PDF]

, 2003
The wheel rail contact operates in an arduous environment. Damage to the surface of either component is possible during manufacture, installation, or operation.
Dwyer-Joyce, R.S., Gao, N., Grieve, D.G., Lewis, R.   +3 more
core  

Improving the performance of railway tracks through ballast interventions

, 2018
Maintenance and eventual renewal of a ballasted track constitute major operational costs for a railway network. Thus, significant benefits would accrue from a more robust track design having a longer service life and reduced maintenance requirements ...
Abadi, Taufan, Le Pen, Louis, Powrie, William, Zervos, Antonios   +3 more
core   +1 more source