Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study
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| Ngôn ngữ: | English |
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Springer
2023
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| Truy cập trực tuyến: | https://link.springer.com/article/10.1007/s40534-023-00310-8 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8031 |
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oai:localhost:PNK-80312023-04-18T04:10:15Z Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study Longlong, Fu Yuexiao, Zheng Yongjia, Qiu high-resolution sensors DEM CC BY Cyclic load is widely adopted in laboratory to simulate the effect of train load on ballast bed. The effectiveness of such load equivalence is usually testified by having similar results of key concerns of ballast bed, such as deformation or stiffness, while the consistency of particle scale characteristics under two loading patterns is rarely examined, which is insufficient to well-understand and use the load simplification. In this study, a previous laboratory model test of ballast bed under cyclic load is rebuilt using 3D discrete element method (DEM), which is validated by dynamic responses monitored by high-resolution sensors. 2023-04-18T04:10:15Z 2023-04-18T04:10:15Z 2023 Book https://link.springer.com/article/10.1007/s40534-023-00310-8 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8031 en application/pdf Springer |
| institution |
Digital Phenikaa |
| collection |
Digital Phenikaa |
| language |
English |
| topic |
high-resolution sensors DEM |
| spellingShingle |
high-resolution sensors DEM Longlong, Fu Yuexiao, Zheng Yongjia, Qiu Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| description |
CC BY |
| format |
Book |
| author |
Longlong, Fu Yuexiao, Zheng Yongjia, Qiu |
| author_facet |
Longlong, Fu Yuexiao, Zheng Yongjia, Qiu |
| author_sort |
Longlong, Fu |
| title |
Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| title_short |
Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| title_full |
Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| title_fullStr |
Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| title_full_unstemmed |
Inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| title_sort |
inconsistent effect of dynamic load waveform on macro- and micro-scale responses of ballast bed characterized in individual cycle a numerical study |
| publisher |
Springer |
| publishDate |
2023 |
| url |
https://link.springer.com/article/10.1007/s40534-023-00310-8 https://dlib.phenikaa-uni.edu.vn/handle/PNK/8031 |
| _version_ |
1763543256956665856 |
| score |
8.891145 |