Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments
Research on the scraping effects of rock–ice avalanches remains relatively limited. This study investigates the evolution of rock–ice avalanches with varying ice content and initial accumulation forms during motion, scraping, and deposition using laboratory physical model experiments. Changes in pre...
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| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/14/24/11473 |
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| author | Ziyi Lin Zhouyi Li Shuang Luo Miao Huo Ping Yang |
| author_facet | Ziyi Lin Zhouyi Li Shuang Luo Miao Huo Ping Yang |
| author_sort | Ziyi Lin |
| collection | DOAJ |
| description | Research on the scraping effects of rock–ice avalanches remains relatively limited. This study investigates the evolution of rock–ice avalanches with varying ice content and initial accumulation forms during motion, scraping, and deposition using laboratory physical model experiments. Changes in pre- scraping velocity, scraping length, scraping depth, maximum deposition length, and deposition thickness were analyzed as functions of ice content. The analysis revealed the influence of ice content and initial accumulation on scraping effects, as well as on motion and deposition characteristics. The experimental results indicate that, compared to typical debris flows (without ice), the presence of ice significantly enhances the mobility, deposition features, and scraping effects of rock–ice avalanches. Through analysis, it is shown that the low friction of ice debris enhances the kinetic energy of ice-rock debris flows, thereby increasing the energy required for scraping. |
| format | Article |
| id | doaj-art-7dc60ded4ac84db1aa58cadfd4bd9cc6 |
| institution | DOAJ |
| issn | 2076-3417 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-7dc60ded4ac84db1aa58cadfd4bd9cc62025-08-20T02:55:42ZengMDPI AGApplied Sciences2076-34172024-12-0114241147310.3390/app142411473Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model ExperimentsZiyi Lin0Zhouyi Li1Shuang Luo2Miao Huo3Ping Yang4College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya’an 625014, ChinaCollege of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya’an 625014, ChinaCollege of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya’an 625014, ChinaCollege of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya’an 625014, ChinaCollege of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya’an 625014, ChinaResearch on the scraping effects of rock–ice avalanches remains relatively limited. This study investigates the evolution of rock–ice avalanches with varying ice content and initial accumulation forms during motion, scraping, and deposition using laboratory physical model experiments. Changes in pre- scraping velocity, scraping length, scraping depth, maximum deposition length, and deposition thickness were analyzed as functions of ice content. The analysis revealed the influence of ice content and initial accumulation on scraping effects, as well as on motion and deposition characteristics. The experimental results indicate that, compared to typical debris flows (without ice), the presence of ice significantly enhances the mobility, deposition features, and scraping effects of rock–ice avalanches. Through analysis, it is shown that the low friction of ice debris enhances the kinetic energy of ice-rock debris flows, thereby increasing the energy required for scraping.https://www.mdpi.com/2076-3417/14/24/11473rock–ice avalanchesphysical model experimentsice contentinitial accumulation formsscraping effect |
| spellingShingle | Ziyi Lin Zhouyi Li Shuang Luo Miao Huo Ping Yang Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments Applied Sciences rock–ice avalanches physical model experiments ice content initial accumulation forms scraping effect |
| title | Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments |
| title_full | Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments |
| title_fullStr | Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments |
| title_full_unstemmed | Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments |
| title_short | Influence of Ice Fragments on the Scraping Effect of Rock–Ice Avalanches: Insights from Physical Model Experiments |
| title_sort | influence of ice fragments on the scraping effect of rock ice avalanches insights from physical model experiments |
| topic | rock–ice avalanches physical model experiments ice content initial accumulation forms scraping effect |
| url | https://www.mdpi.com/2076-3417/14/24/11473 |
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