Results 61 to 70 of about 6,316,137 (108)

Effects of Performance Variations in Key Components of CRTS I Slab Ballastless Track on Structural Response Following Slab-Replacement Operations

Slab-replacement operations are crucial for restoring deteriorated CRTS I slab ballastless tracks to operational standards. This study investigates the structural implications of the operation by evaluating the strength characteristics and material ...
Yuelei He, Haitao Xia, Hongyao Lu, He, Yuelei, Wu, Wentao, Lu, Hongyao, Xia, Haitao, Wentao Wu   +7 more
core   +1 more source

Blast-Induced damage evolution and resilience assessment of CRTS III slab ballastless track systems considering rapid repair strategies

Explosive loading poses a severe threat to the structural integrity and operational reliability of ballastless tracks; however, a systematic approach for damage assessment, repair strategy selection, and post repair safety evaluation remains insufficient.
Yanhui Liu, Kezhou Jiang, Hongjin Chen, Xiangshen Song   +3 more
core   +1 more source

Calculation of Reasonable Tension Value for Longitudinal Connecting Reinforcement of CRTSII Slab Ballastless Track

, 2018
There is confusion in the original design concept for the tensioning of longitudinally connected reinforcement of the CRTSII (China Railway Track System) slab ballastless track.
Long Chen, Jianxi Wang, Jinjie Chen
core   +1 more source

Experimental study of the gap between track slab and cement asphalt mortar layer in CRTS I slab track

, 2018
Gap exists in the interface of cement asphalt emulsion mortar and CRTS I track slab universally, which is more severe at four corners than other parts of the track slab.
Tao Wang, Zhao Wei, Xiao Xie, Haiyan Li, Shaoliang Wu, Hengqiong Jia, Zike Liu   +6 more
core   +1 more source

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

Sci Rep, 2022
Xu Q, Sun S, Xu Y, Hu C, Chen W, Xu L.
europepmc   +1 more source

Performance Evolution and Damage Evaluation of CRTS I Track Slab in Service Status

This study develops a quantitative framework to assess performance degradation and damage evolution in CRTS I ballastless track slabs. Based on the impact-echo method, the internal void distribution characteristics of the new and old track slabs were ...
Yuelei He, Hongyao Lu, Wentao Wu
core   +1 more source

Flextural Performance of Ultra-High Performance Concrete Ballastless Track Slabs

, 2016
Ballastless track slab offers excellent stability and durability and has been well accepted in high-speed railways worldwide. Rails are typically laid on precast concrete slabs that are subjected to dynamic load transferred from the rails.
Meng, Weina, Kamal Henri Khayat, Khayat, Kamal, Weina Meng   +3 more
core   +1 more source

Experimental Study on the Influence of Transverse Crack on Chloride Ingress in Concrete Slab Track of High-Speed Railway. [PDF]

Materials (Basel), 2023
Liu X, Li H, Qi M, Yang Y, Zhu Z, Yu Z.
europepmc   +1 more source

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

[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
core   +1 more source

Investigation of the Fatigue Behaviour of a Ballastless Slab Track–Bridge Structural System under Train Load

, 2019
To probe into the time-dependent behaviour of the ballastless track–bridge structural system under train load, based on the import of the static and fatigue damage constitutive model of materials to simulate damage deterioration of the structural ...
Linqi Yang, Akim D. Mahunon, Lingyu Zhou, Xiusheng Peng, Zhi Shan   +4 more
core   +1 more source