| アイテムタイプ |
共通アイテムタイプ(1) |
| 公開日 |
2025-02-14 |
| タイトル |
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|
タイトル |
Quantifying the shear behavior of fine-grained soil with herbaceous plant roots under freeze-thaw conditions using X-ray CT scan |
|
言語 |
en |
| 著者 |
Song, Baiyang
Nakamura, Dai
Kawaguchi, Takayuki
川尻, 峻三
Rui, Dahu
|
| 著作権関連情報 |
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|
権利情報 |
Copyright (c) 2024 Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies. |
| 抄録 |
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内容記述タイプ |
Abstract |
|
内容記述 |
This study investigates the reinforcement effect of Kentucky bluegrass roots on slope soil under freeze-thaw conditions, with a focus on the Hokkaido region of Japan. Using direct shear tests combined with X-ray CT scanning, we analyzed the impact of root parameters (such as root mass and volume) on the shear strength of root-soil composites. The results revealed that freeze-thaw cycle did not cause significant root breakage or diminish the root system's ability to stabilize the soil compared to non-freeze-thaw conditions. Root-soil samples demonstrated notable ductility during shear deformation, with shear stress continuing to increase after reaching peak values. In contrast, soil samples stabilized after reaching peak shear stress without further increase. Although no significant differences in shear behavior were observed between root-soil and soil samples in the initial shearing stage, the freeze-thaw cycle led to some consolidation in root-soil samples, reducing their resistance to elastic deformation. Moreover, longer root growth periods resulted in a more pronounced increase in shear stress. CT scan image reconstruction allowed us to quantify root system parameters, such as root volume and distribution near the shear plane, which showed a strong correlation with maximum shear stress. Our findings demonstrate the effectiveness of herbaceous plant roots, particularly Kentucky bluegrass, in maintaining soil stability under freeze-thaw conditions. |
|
言語 |
en |
| 書誌情報 |
en : Soil and Tillage Research
巻 246,
p. 106326,
発行日 2024-10-15
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| 出版社 |
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出版者 |
Elsevier |
| キーワード |
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|
主題Scheme |
Other |
|
主題 |
Root-soil composites |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
Shear strength |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
Herbaceous plant roots |
| キーワード |
|
|
主題Scheme |
Other |
|
主題 |
Freeze-thaw action |
| キーワード |
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|
主題Scheme |
Other |
|
主題 |
X-ray CT scan |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
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|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
journal article |
| 出版タイプ |
|
|
出版タイプ |
AM |
|
出版タイプResource |
http://purl.org/coar/version/c_ab4af688f83e57aa |
| DOI |
|
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|
識別子タイプ |
DOI |
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|
関連識別子 |
https://doi.org/10.1016/j.still.2024.106326 |
| NCID |
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収録物識別子タイプ |
NCID |
|
収録物識別子 |
AA10625372 |
| ISSN |
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収録物識別子タイプ |
PISSN |
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収録物識別子 |
0167-1987 |
| ISSN |
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収録物識別子タイプ |
EISSN |
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収録物識別子 |
1879-3444 |
| 研究者情報 |
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|
URL |
https://hyokadb02.jimu.kyutech.ac.jp/html/100001538_ja.html |
| 論文ID（連携） |
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|
値 |
10448396 |
| 連携ID |
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|
値 |
13000 |
10448396.pdf (2.1 MB)
