Results 11 to 20 of about 6,316,137 (108)

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

Performance of CRTS-II Ballastless Track–Bridge Structural System Rebars under Fatigue Loading Test

Applied Sciences, 2021
To study the evolution of mechanical properties of steel rebars in the China Railway Track System Type II (CRTS II) ballastless track–bridge structural system under repeated train loads, a 1/4 scale three-span ballastless slab track simple-supported ...
Lingyu Zhou, Lifan Zou, Lei Zhao, Yahui Yuan, Akim D. Mahunon, Yongzhi Gong   +5 more
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, Volume 2021, Issue 1, 2021., 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 also reduces the service life of ballastless track.
Shihao Cao, Wang Hui, Shufang Zhai, Kui Hu, Yujing Chen, Junqi Chen, Qinghua Zhang   +6 more
wiley   +2 more sources

Research on Mechanical Performance of CRTS III Plate‐Type Ballastless Track Structure under Temperature Load Based on Probability Statistics

Advances in Civil Engineering, Volume 2019, Issue 1, 2019., 2019
CRTS III (China Railway Track System III) slab ballastless track structure is one of the high‐speed railway ballastless track structures which has Chinese independent intellectual property rights. The mechanical performance of CRTS III slab ballastless track structure under temperature load has not been clear yet.
Zhiwu Yu, Ying Xie, Xiuquan Tian, Dimitris Rizos   +3 more
wiley   +2 more sources

Interlayer Mechanical Behavior in CRTS II Slab Ballastless Tracks Under Vertical Loading

Applied Sciences
Reliable in situ quantification of interlayer mechanics in CRTS-II ballastless track slabs remains limited by the poor instrumentability of the CA mortar layer. This study implements a quasi-distributed fiber-optic sensing scheme by encapsulating FBGs in
Xiao Guo, Xiaonan Xie, Xuebing Zhang, Li Wang, Ping Xiang   +4 more
doaj   +2 more sources

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

Materials (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, Liu P, Yu Z, Kuang Y, Liu L, He S, Zhang X, Li Q, Xu W, Lv M.   +9 more
europepmc   +2 more sources

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   +2 more sources

Research on the Variable-Temperature Cracking Mechanism of CRTS I Type Double-Block Ballastless Track on a Bridge. [PDF]

Materials (Basel), 2022
The CRTS I type double-block ballastless track (CRTS I TDBBT) has the advantages of convenient construction and low cost, but it has low crack resistance and the temperature field distribution of the railway on the bridge is uneven and frequently changes,
Zeng Z, Peng G, Wang W, Huang X, Shen S, Shuaibu AA, Meng X.   +6 more
europepmc   +2 more sources

A Probabilistic Model of Fatigue Life at the Interface of CRTS II Slab Ballastless Track. [PDF]

Materials (Basel)
The gradual deterioration of interfacial performance in CRTS II (China Railway Track System II) slab ballastless tracks during long-term service can significantly affect structural stability and durability.
Song A, Guo Y, Yao G, Yu X.
europepmc   +2 more sources

Line Shape Analysis and Dynamic Response of Ballastless Track during Jacking Rectification Fixing. [PDF]

Materials (Basel), 2022
In order to study the railway line deformation and dynamic response of ballastless track structure under train load during jacking rectification fixing, a three-dimensional numerical model of the CRTS II slab ballastless track on subgrade is established ...
Chen W, Wang C, Fang L, Liu C, Zeng Z, Lou P, Zhang T.   +6 more
europepmc   +2 more sources