Results 31 to 40 of about 29,036 (116)

Track Deflection Monitoring for Railway Construction Based on Dynamic Brillouin Optical Time-Domain Reflectometry

open access: yesSensors
Real-time online monitoring of track deformation during railway construction is crucial for ensuring the safe operation of trains. However, existing monitoring technologies struggle to effectively monitor both static and dynamic events, often resulting ...
Tianfang Zhang   +3 more
doaj   +1 more source

Numerical Analysis of Additional Stresses in Railway Track Elements Due to Subgrade Settlement Using FEM Simulation

open access: yesApplied Sciences, 2021
The prediction of additional stresses in ballasted track due to subgrade deformation is the main objective of the present paper. In this context, a 2D finite element model of ballasted railway track was built using the ANSYS Workbench program.
Ahmed Nabil Ramadan   +3 more
doaj   +1 more source

The Effect of First-Order Bending Resonance of Wheelset at High Speed on Wheel-Rail Contact Behavior

open access: yesAdvances in Mechanical Engineering, 2013
The first-order bending deformation of wheelset is considered in the modeling vehicle/track coupling dynamic system to investigate its effect on wheel/rail contact behavior.
Shuoqiao Zhong   +3 more
doaj   +1 more source

Vertical Deformation Extraction Using Joint Track SBAS-InSAR Along Coastal California, USA

open access: yesJournal of Marine Science and Engineering
Ground deformation poses a major threat to socioeconomic development, especially in coastal regions where compounding effects of anthropogenic activities and natural processes exacerbate its destructive consequences. This urgency calls for comprehensive,
Shunyao Wang   +7 more
doaj   +1 more source

STUDY OF DEFORMATION PROCESSING OF A RUT WITH FASTENERS OF ARS-4 TYPE

open access: yesNauka ta progres transportu, 2008
In the given article the analysis of dynamic characteristics of the railway track with fastenings АРС-4 is presented.
V. V. Rybkin   +3 more
doaj  

Monitoring and Analysis of Surface Deformation in Mining Area Based on LuTan-1 and Sentinel-1A Data

open access: yesRemote Sensing
High-intensity mining activities in coal mining areas have produced large-gradient surface deformation, posing severe challenges to deformation monitoring using Interferometric Synthetic Aperture Radar (InSAR) techniques based on C-band Synthetic ...
Zisu Cheng   +5 more
doaj   +1 more source

Research on zoning of soft rock large deformation considering state of ballastless track and train comprehensively based on FEM-MBD

open access: yesAlexandria Engineering Journal
Severe foundation heave arises during tunnel excavation and operation, especially in the soft rock sections, detrimentally impacting track service performance and train operational safety.
Shuai Ma   +5 more
doaj   +1 more source

Effect of temperature gradient-induced periodic deformation of CRTS Ⅲ slab track on dynamic responses of the train-track system [PDF]

open access: yesRailway Sciences
Purpose – Temperature is an important load for a ballastless track. However, little research has been conducted on the dynamic responses when a train travels on a ballastless track under the temperature gradient.
Wang Jijun   +3 more
doaj   +1 more source

MODELING OF DEVELOPMENT VERTICAL DEFORMATION OF RAILWAY TRACK

open access: yesNauka ta progres transportu, 2016
Purpose. State of railway track must meet the conditions of safety, comfort and smooth ride. The presence of irregularities deteriorates the dynamics of interaction of track and rolling stock, causes speed limiting, creates the possibility of movement ...
D. M. Kurhan
doaj   +1 more source

Polymer Injection Rehabilitation Technology for Lifting Differential Settlement of Turnout Ballastless Track

open access: yesMATEC Web of Conferences, 2018
The turnout ballastless track is an advanced track structure with high stability and integrity. However, due to complicated geological conditions, local groundwater level declined, and many other unavoidable objective reasons, the roadbed foundation of ...
Liu Jing   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy