Results 31 to 40 of about 67,564 (151)

Effects of Differential Subgrade Settlement on Slab Track Deformation Based on a DEM-FDM Coupled Approach

open access: yesApplied Sciences, 2021
Slab track structures become deformed under the effects of differential subgrade settlement. According to the properties of the China Railway Track System (CRTS) II slab track on a subgrade, a three-dimensional (3D) coupled model based on both the ...
Xuhao Cui   +4 more
doaj   +1 more source

Fault Slip and Exhumation History of the Willard Thrust Sheet, Sevier Fold‐Thrust Belt, Utah: Relations to Wedge Propagation, Hinterland Uplift, and Foreland Basin Sedimentation [PDF]

open access: yes, 2019
Zircon (U‐Th)/He (ZHe) and zircon fission track thermochronometric data for 47 samples spanning the areally extensive Willard thrust sheet within the western part of the Sevier fold‐thrust belt record enhanced cooling and exhumation during major thrust ...
Barber, D. E.   +5 more
core   +2 more sources

Behaviour of non-ballast pre-stressed and precast track structures in high speed railway based on multiscale finite element model

open access: yesHigh-Speed Railway, 2023
In order to make further study on the mechanical property of CRTSIII type slab non-ballast track structures, which was self-designed in China, based on the method of the multiscale finite element model (FEM), the traditional FEM of slab non-ballast track
Yuhang Wang   +4 more
doaj   +1 more source

Safety assessment of underground vehicles passing over highly resilient straight tracks in the presence of a broken rail [PDF]

open access: yes, 2008
In this paper, vehicle-track interaction for a new slab track design, conceived to reduce noise and vibration levels has been analyzed, assessing the derailment risk for trains running on curved track when encountering a broken rail.
Fernández, Ignacio   +3 more
core   +2 more sources

Field Tests on Eco-Friendly Railway Precast Concrete Slab

open access: yesApplied Sciences, 2020
This study focuses on evaluating the field performance of a newly developed eco-friendly precast concrete slab track structure for railway/subway systems in Seoul, South Korea.
Taehoon Koh, Moochul Shin
doaj   +1 more source

Shakedown for slab track substructures with stiffness variation

open access: yes, 2018
In this paper, shakedown analyses are carried out to predict the long-term response of slab track substructures under repeated moving train loads.
Biot M   +6 more
core   +1 more source

Influence of slab length on dynamic characteristics of subway train-steel spring floating slab track-tunnel coupled system

open access: yesLatin American Journal of Solids and Structures
A subway train-steel spring floating slab track-tunnel coupling dynamic model, considering short and middle-long wavelength random track irregularities, and longitudinal connection between adjacent slabs of steel spring floating slab track, was developed.
Qing-yuan Xu   +3 more
doaj   +1 more source

Performance Analysis of Prefabricated Steel-Spring Floating-Slab Track and Its Application to Urban Express Rail Transit

open access: yesAdvances in Civil Engineering, 2020
The aim of the research is the design of prefabricated steel-spring floating-slab track to be applied in urban express rail transit systems. Using a developed vehicle-track dynamic-coupling equation for steel-spring floating-slab track, the effects of ...
Xudong Huang   +5 more
doaj   +1 more source

Long-Term Monitoring for Track Slab in High-Speed Rail via Vision Sensing

open access: yesIEEE Access, 2020
Track slab deformation has become a challenging issue in high-speed rail (HSR) operation in recent years. This article proposed a novel approach for track slab deformation monitoring based on computer vision techniques.
Zai-Wei Li   +3 more
doaj   +1 more source

The Failure of Monte Carlo Radiative Transfer at Medium to High Optical Depths [PDF]

open access: yes, 2018
Computer simulations of photon transport through an absorbing and/or scattering medium form an important research tool in astrophysics. Nearly all software codes performing such simulations for three-dimensional geometries employ the Monte Carlo ...
Baes, Maarten, Camps, Peter
core   +2 more sources

Home - About - Disclaimer - Privacy