Results 31 to 40 of about 550,441 (188)

Investigations on ballastless tracks in tunnel without reinforcement [PDF]

open access: yesElectronic Journal of Structural Engineering, 2013
Ballastless track systems have delivered an optimal performance in the past decades. This ideal comes from the Continuously Reinforced Concrete Pavement or the Jointed Plain Concrete Pavement in road design.
Jia LIU, Stephan FREUDENSTEIN
doaj   +2 more sources

Influence of temperature gradient of slab track on the dynamic responses of the train-CRTS III slab track on subgrade nonlinear coupled system [PDF]

open access: yesScientific Reports, 2022
Temperature is an important load for ballastless track. However, there is little research on the system dynamic responses when a train travels on a ballastless track under the temperature gradient of ballastless track.
Qingyuan Xu   +5 more
doaj   +2 more sources

Study of Problems Related to Laying Ballastless Track in the Turnout of Ballasted Track at High-Speed Railway Stations

open access: yesAdvances in Materials Science and Engineering, 2022
Due to the complex dynamic interactions of the vehicle-track system in the turnout of high-speed railway stations on a ballasted track, the geometric position of the line changes rapidly. In order to improve the stability of the line, the ballasted track
Ma Xue-Ning   +4 more
doaj   +2 more sources

Effect of Cement Asphalt Mortar Debonding on Dynamic Properties of CRTS II Slab Ballastless Track [PDF]

open access: yesAdvances in Materials Science and Engineering, 2014
The debonding of cement emulsified asphalt mortar (CA mortar) is one of the main damage types in China railway track system II slab ballastless track.
Ping Wang, Hao Xu, Rong Chen
doaj   +2 more sources

MECHANICAL ANALYSIS OF HIGH-SPEED RAILWAY SLAB BALLASTLESS TRACK UNDER WORKING CONDITION

open access: yesJixie qiangdu, 2022
In order to study the mechanical properties of the ballastless track structure under the load of the train, this paper simplified the ballastless track structure to an infinite double-layer elastic beam.
HE Wei, LI GuiFeng
doaj   +2 more sources

Combined Method of Ballastless Track Examination

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2015
For obtaining precise enough values of the required probabilistic characteristics it is necessary to carry out a large number of full-scale experiments demanding for considerable expenditures (especially in the case of ballastless track examination).
A. V. Savin
openaire   +2 more sources

Changes in Material Properties and Damage Mechanism of Plate Ballastless Track Under Fire and High Temperature

open access: yesBuildings
The service status of rail, fasteners and track slabs is the key determinant of whether the ballastless track is ready for traffic after a fire. The track slab rail support bolt anchoring performance and the shoulder service performance damaged by fire ...
Hao Jin   +7 more
doaj   +2 more sources

Numerical Investigation of Interlaminar Stress of CRTS II Slab Ballastless Track Induced by Creep and Shrinkage of Concrete. [PDF]

open access: yesMaterials (Basel), 2022
The secondary development of ABAQUS was carried out to calculate the shrinkage and creep of concrete, and a finite element model of the China Railway Track System (CRTS) II slab ballastless track was established.
Zheng Z   +9 more
europepmc   +2 more sources

Dynamic Response of Train–Ballastless Track Caused by Failure in Cement–Asphalt Mortar Layer

open access: yesBuildings
Cement–asphalt (CA) mortar voids in earth’s structure are prone to inducing abnormal vibrations in vehicle and track systems and are more difficult to recognize.
Xicheng Chen, Yanfei Pei, Kaiwen Liu
doaj   +2 more sources

Railway superstructure for high-speed rails

open access: yesActa Polytechnica CTU Proceedings, 2021
The construction of the track is solved as a conventional (with track ballast) or as a ballastless track (without track ballast). When deciding on the choice of the most suitable track design for high-speed rail, it is necessary to emphasize that with ...
Lukáš Týfa   +2 more
doaj   +1 more source

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