Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle
On unpaved or snowy icy roads, it is known that corrugation pattern on road surface spontaneously emerges due to the repetition of loading by vehicle, and this phenomenon is named washboard road. Washboard road on snowy icy road causes serious problem on the driving of vehicles because the braking p...
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Online Access: | https://doi.org/10.1051/matecconf/201925805020 |
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doaj-11738b9bb99f444595b7d5d25691385b2021-02-02T03:20:59ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-012580502010.1051/matecconf/201925805020matecconf_scescm2019_05020Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicleIkeda Aiko0Hashimoto Kai1Srimahachota Teeranai2Zheng Hao3Kanie Shunji4Graduate School of Engineering, Hokkaido UniversityGraduate School of Engineering, Hokkaido UniversityGraduate School of Engineering, Hokkaido UniversityFucalty of Engineering, Hokkaido UniversityFucalty of Engineering, Hokkaido UniversityOn unpaved or snowy icy roads, it is known that corrugation pattern on road surface spontaneously emerges due to the repetition of loading by vehicle, and this phenomenon is named washboard road. Washboard road on snowy icy road causes serious problem on the driving of vehicles because the braking performance deteriorates due to lack of friction between road surface and tires. The authors developed an indoor experimental device to reproduce similar phenomenon in a laboratory. As the first step of the study, we chose fine dry sand as a surface material and we successfully reproduced the corrugation on the track. After scrutinizing the growing process of corrugation, we found that the running velocity of the track and the natural frequency of the oscillator are the most important factors for the growth. However, the frequencies of the corrugation converge to some specific value which is different from the natural frequency of the oscillator. Further, we adopted different road materials such as saturated sand, artificial snow and natural snow. This paper introduces interesting findings on formation process of washboard road.https://doi.org/10.1051/matecconf/201925805020 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ikeda Aiko Hashimoto Kai Srimahachota Teeranai Zheng Hao Kanie Shunji |
spellingShingle |
Ikeda Aiko Hashimoto Kai Srimahachota Teeranai Zheng Hao Kanie Shunji Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle MATEC Web of Conferences |
author_facet |
Ikeda Aiko Hashimoto Kai Srimahachota Teeranai Zheng Hao Kanie Shunji |
author_sort |
Ikeda Aiko |
title |
Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
title_short |
Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
title_full |
Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
title_fullStr |
Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
title_full_unstemmed |
Fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
title_sort |
fundamental study on spontaneous corrugation pattern on dry sand due to moving vehicle |
publisher |
EDP Sciences |
series |
MATEC Web of Conferences |
issn |
2261-236X |
publishDate |
2019-01-01 |
description |
On unpaved or snowy icy roads, it is known that corrugation pattern on road surface spontaneously emerges due to the repetition of loading by vehicle, and this phenomenon is named washboard road. Washboard road on snowy icy road causes serious problem on the driving of vehicles because the braking performance deteriorates due to lack of friction between road surface and tires. The authors developed an indoor experimental device to reproduce similar phenomenon in a laboratory. As the first step of the study, we chose fine dry sand as a surface material and we successfully reproduced the corrugation on the track. After scrutinizing the growing process of corrugation, we found that the running velocity of the track and the natural frequency of the oscillator are the most important factors for the growth. However, the frequencies of the corrugation converge to some specific value which is different from the natural frequency of the oscillator. Further, we adopted different road materials such as saturated sand, artificial snow and natural snow. This paper introduces interesting findings on formation process of washboard road. |
url |
https://doi.org/10.1051/matecconf/201925805020 |
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