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Research on crack detection method of ballastless track slab based on infrared thermometer
Infrared Physics & Technology, 2021Abstract It is a trend that the crack detection method of ballastless track slab changes from manual detection to high-speed vehicle detection. A crack detection method based on an infrared thermometer is presented in this paper. The basic principle of this method is introduced.
Shuanglong Cui +3 more
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Effect of Slab Void on Mechanical Properties of Longitudinal Connected Ballastless Track
ICTE 2011, 2011According to structure characteristics of longitudinal connected ballastless track on subgrade and the theory of beam and plate on elastic foundation, three dimensional finite element analysis model of train load and longitudinal connected ballastless track system was derived.
Yong Zeng, Xueyi Liu
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Research on CRTSIII Ballastless Track Slab Cracks of High-Speed Railway
Applied Mechanics and Materials, 2013At present ballastless track has been widely applied to railway line for passenger in our country, therefore it has broad prospect. Cracks in ballastless track slabs are inevitable in the construction and operation of high-speed railway. Based on comprehensive investigation of documents, and taking cracks in ballastless track slabs as the main object ...
Xiang Min Li, Suo Yan Zhang, Jun Liu
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Jordan Journal of Civil Engineering, 2023
Temperature has a significant impact on the structural performance of the China Railway Track System (CRTS) Ⅱ slab ballastless track-bridge and the structure is susceptible to fatigue damage under long-term loading. Therefore, it is crucial to conduct cyclic-loading test on the track-bridge structure to reveal the evolution of its mechanical properties
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Temperature has a significant impact on the structural performance of the China Railway Track System (CRTS) Ⅱ slab ballastless track-bridge and the structure is susceptible to fatigue damage under long-term loading. Therefore, it is crucial to conduct cyclic-loading test on the track-bridge structure to reveal the evolution of its mechanical properties
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Mud Pumping in Ballastless Slab Track of High-Speed Railway and Its Remediation
2021Mud pumping is an increasing subgrade distress in ballastless slab track of high-speed railway, which heavily affects the driving comfort and even threatens the driving safety. However, the existing researches mostly focused on the water-induced distress in ballasted railway, and little attention was paid on the mud pumping in ballastless slab track ...
Zhangbo Wan +3 more
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The Exploration and Research of CRTS I Slab Ballastless Track Used in the Freight Lines
Applied Mechanics and Materials, 2012The CRTSⅠslab ballastless track structure was the research object of this thesis and the truck vehicle-track dynamics coupled model had established in this thesis. Germany track interference spectrum was used as the track irregularity. The study analyzed the force conditions of the CRTSⅠslab ballastless track under the action of heavy freight trains in
Dong Hui Peng, Zi Sen Wei, Jue Fei Liu
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Study on the Resistance to Water of CA Mortar Used in CRTSII Ballastless Slab Track
Applied Mechanics and Materials, 2014This paper studied mechanical properties and microscopic changes of CRTSⅡtype CA mortar under the roles of the conditions of water immersion, acid soaking, wet and dry cycling, etc. The results show that: under the role of water immersion, the relative compressive strength decreases and elastic modulus decreases firstly and then increases with the ...
Hong You Sun, Xu Feng Ma, Ping Wang
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The Research on Dynamic Characteristics of Ballastless Track Slab on 32m Simple Box Girder
2010 International Conference on Intelligent Computation Technology and Automation, 2010According to the fact that the ballastless track system study results often deviate from the actual value greatly using the method of simplified box girder in the high-speed railway at present. The new overall 3D models with simple box girder and ballastless track slab are built by using ANSYS software, and dynamic response results of ballastless track
Jiwen Zhang +3 more
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Wireless Monitoring of Ballastless Track Slab Deformation for High-Speed Railway
IEEE Transactions on Instrumentation and Measurement, 2022Ling Deng +5 more
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Design method of pile-slab structure roadbed of ballastless track on soil subgrade
Journal of Central South University, 2013Pile-slab structure roadbed is a new form of ballastless track for high speed railway. Due to lack of corresponding design code, based on the analysis of its structure characteristics and application requirements, it is proposed to carry out load effect combination according to ultimate limit state and serviceability limit state, and the most ...
Yong-xiang Zhan +2 more
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