Results 11 to 20 of about 643,218 (189)

Fatigue Performance of the CA Mortar Used in CRTS I Ballastless Slab Track under Simulated Servicing Condition [PDF]

Materials, 2018
The cement and asphalt mortar (CA mortar) used in the China Railway Track System (CRTS) I ballastless slab track may encounter a coupling fatigue effect under the high-frequency vibration, load and high-and-low temperature cycles, and the deterioration ...
Deyu Kong
exaly   +3 more sources

Application Study on Fiber Optic Monitoring and Identification of CRTS-II-Slab Ballastless Track Debonding on Viaduct

Applied Sciences (Switzerland), 2021
China Railway Track System (CRTS)-II-slab ballastless track is a new type of track structure, and its interlayer connection state is considerably important for the operation safety and ride comfort of high-speed trains. However, the location and multiple
J F Wang, Bowen Du, Gäoran Guo
exaly   +4 more sources

Vertical Dynamic Analysis of Ballastless Tracks on Train-Track- Bridge System [PDF]

MATEC Web of Conferences, 2020
In order to investigate the vertical dynamic response characteristics of train-track-bridge system on CWR (Continunously Welded Rail) under dynamic load of train on HSR (High-Speed Railway) bridge.
Xie Haoran, Yan Bin, Huang Jie
doaj   +4 more sources

Vertical Vibration Characteristic Analysis of Subway Train Height-Adjustable Slab Ballastless Track in Ground Fissure Environment

Chengshi guidao jiaotong yanjiu
[Objective] Limited by engineering conditions such as the reserved connecting line on the hanging wall of the ground fissure, the existing ballastless track structure cannot meet the height adjustment function of subway track structure under large ground
KANG Xiaoli
doaj   +2 more sources

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

Advances 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

Fracture Modeling of the Bi-Block Ballastless Track System Resulting from Early-Aged Relative Humidity during the Construction Process

Advances in Civil Engineering, 2021
Drying-induced cracks are an important issue for bi-block ballastless track system consisting of foundation, precast sleepers, and cast-in-place track slab, which not only significantly affects the comfortableness and safety of rapid transit railway but ...
Shihao Cao, Wang Hui, Shufang Zhai, Kui Hu, Yujing Chen, Junqi Chen   +5 more
doaj   +2 more sources

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

Jixie 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

Service life evaluation of ballastless track construction

Вестник Научно-исследовательского института железнодорожного транспорта, 2019
The article presents method for calculating service life of ballastless track structure using the track oscillation model as a structure containing three infinitely long beams, the lower of which lies on the modified Winkler base, and the upper and ...
S. V. Mikhaylov
doaj   +2 more sources

Mechanical Properties of Ballastless Track Considering Freeze–Thaw Deterioration Damage

Mathematics, 2023
In order to investigate the stress characteristics of ballastless track under high latitude, and multi-source and multi-field extreme temperature conditions.
Haoran Xie, Lingyan Xu, Bin Yan
doaj   +2 more sources

Research on the design of ballastless track in the subgrade section of high-speed railway in high earthquake-intensity area

High-Speed Railway, 2023
According to the characteristics of complex terrain and bad geological conditions in the southwest mountainous area of China, it is proposed that cast-in situ double-block ballastless track with layers and blocks structure should be adopted ...
Li Yao
doaj   +2 more sources