Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment

In this study, to investigate the effect of multiple countermeasure on the flow characteristics of debris flows, a real-scale experiment was conducted in a natural gully by reproducing a debris flow with a installation of multiple countermeasures. In addition, the topographic changes before and afte...

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Main Authors: Jang Woojae, Kim Beom-Jun, Choi Shin-Kyu, Kwon Tae-Hyuk, Yune Chan-Young
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_06007.pdf
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author Jang Woojae
Kim Beom-Jun
Choi Shin-Kyu
Kwon Tae-Hyuk
Yune Chan-Young
author_facet Jang Woojae
Kim Beom-Jun
Choi Shin-Kyu
Kwon Tae-Hyuk
Yune Chan-Young
author_sort Jang Woojae
collection DOAJ
description In this study, to investigate the effect of multiple countermeasure on the flow characteristics of debris flows, a real-scale experiment was conducted in a natural gully by reproducing a debris flow with a installation of multiple countermeasures. In addition, the topographic changes before and after experiment by debris flow were investigated using UAV-LiDAR. Based on the experiment results, the effect of multiple countermeasures and the topographic changes against the gully erosion and deposition caused by debris flow were also analyzed. The installation of multiple countermeasures significantly decreased the frontal velocity of debris flow. Furthermore, the countermeasure induced the deposition of debris material on the back of the countermeasure.
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spelling doaj.art-dd79f7c6e7874d94bad2f2d7c1e2f7f22023-08-21T09:02:38ZengEDP SciencesE3S Web of Conferences2267-12422023-01-014150600710.1051/e3sconf/202341506007e3sconf_dfhm82023_06007Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experimentJang Woojae0Kim Beom-Jun1Choi Shin-Kyu2Kwon Tae-Hyuk3Yune Chan-Young4Korea Advanced Institute of Science and Technology, Department of Civil and Environmental EngineeringGangneung-Wonju National University, Department of Civil EngineeringKorea Electric Power Research InstituteKorea Advanced Institute of Science and Technology, Department of Civil and Environmental EngineeringGangneung-Wonju National University, Department of Civil EngineeringIn this study, to investigate the effect of multiple countermeasure on the flow characteristics of debris flows, a real-scale experiment was conducted in a natural gully by reproducing a debris flow with a installation of multiple countermeasures. In addition, the topographic changes before and after experiment by debris flow were investigated using UAV-LiDAR. Based on the experiment results, the effect of multiple countermeasures and the topographic changes against the gully erosion and deposition caused by debris flow were also analyzed. The installation of multiple countermeasures significantly decreased the frontal velocity of debris flow. Furthermore, the countermeasure induced the deposition of debris material on the back of the countermeasure.https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_06007.pdf
spellingShingle Jang Woojae
Kim Beom-Jun
Choi Shin-Kyu
Kwon Tae-Hyuk
Yune Chan-Young
Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
E3S Web of Conferences
title Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
title_full Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
title_fullStr Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
title_full_unstemmed Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
title_short Effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real-scale experiment
title_sort effect of multiple debris flow countermeasures on flow characteristics and topographic changes through real scale experiment
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2023/52/e3sconf_dfhm82023_06007.pdf
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