Results 81 to 90 of about 643,218 (189)

Mapping Law of CRTS Ⅱ Type Slab Ballastless Track Static Deformation Due to Subgrade Horizontal Deformation

Chengshi guidao jiaotong yanjiu
Objective Aiming at the insufficient control indexes for high-speed railway subgrade horizontal deformation currently, it is necessary to study the influence law and limit values of ballastless track subgrade horizontal deformation.
YIN Wei, NI Wanyu, YAN Guangpeng
doaj   +1 more source

Temperature field characteristics of slab ends of double-block ballastless track in large daily temperature difference region

Case Studies in Thermal Engineering
In regions with large daily temperature differences, double-block ballastless tracks have experienced severe interface damage and warping deformation at the slab ends.
Youxin Wei, Yu Liu, Bin Yang, Shiping Zhang, Yanxi Zhao   +4 more
doaj   +1 more source

Investigation into the critical speed of ballastless track

, 2019
As train speeds are increased, the issue of the critical speed must be faced, especially when tracks run across soft ground. This is the phenomenon describes the amplification of the track deflections due to coincidence of the train speed with the ...
Hu, Jing, Bian, Xuecheng, Thompson, David, Xu, Weichang   +3 more
core   +1 more source

Experimental and Numerical Investigation on Repairing Effect of Polymer Grouting for Settlement of High-Speed Railway Unballasted Track

Applied Sciences, 2019
Uneven settlement of high-speed railway subgrade leads to the irregularity of high-speed railway line, which seriously affects high-speed train operation.
Hongyuan Fang, Yingjie Su, Xueming Du, Fuming Wang, Bin Li   +4 more
doaj   +1 more source

Slab track systems for high-speed railways.

, 2012
In the last 40 years an increase in train speed and axle load around the world and other challenges in the conventional ballasted track system gave birth to ballastless railway track system.
Michas, Georgios
core   +2 more sources

Train‐Induced Concrete Fatigue Damage of CRTS III Slab Ballastless Track

This study explores the fatigue damage of concrete components in the CRTS III slab ballastless track under repeated high‐speed train loading. A stochastic damage‐based computational framework is developed and implemented in a finite element track model ...
Yude Xu, Daobin Yan
core   +1 more source

Analysis of Results of Monitoring and Prediction of Quality Development of Ballasted and Ballastless Track Superstructure and its Transition Areas

, 2016
Securing durability of parameter quality of track alignment design and track geometry is a goal of each railway infrastructure manager. To accomplish this goal, various methods and procedures are applied, but they are all based on regular diagnostics ...
Michal Smalo, Libor Izvolt, Janka Sestakova   +2 more
core   +1 more source

Long-Term Behavior and Performance of Ballastless Track Superstructure on China’s Suining-Chongqing Railway Line

, 2010
This paper briefly shows the experimental ballastless track section of Suining-Chongqing railway line in southwest China, which was designed by China Railway Eryuan Engineering Group Co. Ltd (CREEC) and was put into operation in 2007. The design speed of
Hua Yan, Hong-song Lin, Juan-Juan Ren, Xue-yi Liu   +3 more
core   +1 more source

Future trends in railway engineering [PDF]

, 2009
This article reviews the current state of railway engineering with a focus on the steady development of conventional technology that has led to the 575 km/h run of the French TGV train in 2007.
Iwnicki, Simon D., Iwnicki, S.
core   +1 more source

Refined dynamic analysis of three slab tracks on bridge structures under various high-speed train loads

Journal of Low Frequency Noise, Vibration and Active Control
The dynamic performance of three slab ballastless tracks in the China Railway Track System (CRTS), which is supported by a simply supported box girder under various train loads, were comprehensively investigated with refined rigid-flexible coupled models.
Hanlin Liu, Yi Wang, Rui Zhou, Jingmang Xu, Xi Sheng, Fei Xu   +5 more
doaj   +1 more source