John P. Morrissey
John P. Morrissey
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Trackbed settlement
Trackbed settlement and associated ballast degradation due to repeated train moving loads
With increasing train speed and wheel axle load, severe vibrations can occur in a ballasted trackbed, thereby accelerating the degradation of the ballast particles and ultimately causing excessive settlement. To gain insights into the long-term trackbed behavior and the ballast degradation evolution, a full-scale ballasted track experiment with eight sleepers was designed and tested on a validated physical model test platform (ZJU-iHSRT).
Qiusheng Gu
,
Chuang Zhao
,
Xuecheng Bian
,
John P. Morrissey
,
Jin Y. Ooi
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34
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34
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