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  1. 防災科研関係論文

Evaluation of vehicle running performance on ash-covered roads

https://nied-repo.bosai.go.jp/records/6492
https://nied-repo.bosai.go.jp/records/6492
47a76093-5732-488a-8daf-d9901129b50f
Item type researchmap(1)
公開日 2023-12-26
タイトル
言語 en
タイトル Evaluation of vehicle running performance on ash-covered roads
著者 Tatsuji Nishizawa

× Tatsuji Nishizawa

en Tatsuji Nishizawa

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Mitsuhiro Yoshimoto

× Mitsuhiro Yoshimoto

en Mitsuhiro Yoshimoto

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Tomohiro Kubo

× Tomohiro Kubo

en Tomohiro Kubo

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Ryo Honda

× Ryo Honda

en Ryo Honda

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Setsuya Nakada

× Setsuya Nakada

en Setsuya Nakada

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Nobuko Kametani

× Nobuko Kametani

en Nobuko Kametani

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Yasuhiro Ishimine

× Yasuhiro Ishimine

en Yasuhiro Ishimine

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Shinya Yamamoto

× Shinya Yamamoto

en Shinya Yamamoto

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抄録
内容記述タイプ Other
内容記述 Abstract

The scale of volcanic eruptions influences the effects of wide-ranging disasters involving ashfall, such as the disruption of lifelines and paralysis of urban functions. This highlights the importance of vehicle availability on ash-covered roads for disaster management personnel involved in rescue and recovery efforts and for citizens who must evacuate or continue their social lives. We conducted tests to scientifically verify the running ability of vehicles on ash-covered roads. Results revealed that all-wheel-drive vehicles showed better running performance than two-wheel-drive vehicles, which get stuck when ashfall thickness exceeds 10 cm. Most of the vehicle’s drive power is consumed as energy to scrape ash grains from under the tires, hindering sufficient propulsion. In addition, the tires sink into the ash layer, which increases driving resistance and causes the vehicle to get stuck. Running ability on ash-covered roads is mainly determined by the relation between the “drive system” of the vehicle and the “thickness of ash” on the roads. In addition, road surface conditions, including ash thickness, could change in time and space because of traffic volume and weather conditions.
言語 en
書誌情報 en : Scientific Reports

巻 13, 号 1, 発行日 2023-12-06
出版者
言語 en
出版者 Springer Science and Business Media LLC
ISSN
収録物識別子タイプ EISSN
収録物識別子 2045-2322
DOI
関連識別子 10.1038/s41598-023-47122-8
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