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Experimental Study on Impact Absorption Capacity of Various Expanded Materials for Rock Shed
http://hdl.handle.net/10258/00010411
http://hdl.handle.net/10258/00010411123c3a23-e372-4fb8-857d-6793cc3c81d7
名前 / ファイル | ライセンス | アクション |
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SAV_7412456 (5.6 MB)
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Item type | 学術雑誌論文 / Journal Article.(1) | |||||||||||
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公開日 | 2021-06-29 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Experimental Study on Impact Absorption Capacity of Various Expanded Materials for Rock Shed | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
KURIHASHI, Yusuke
× KURIHASHI, Yusuke× KOGURE, Naochika× NITTA, Shin-ichi× 小室, 雅人
WEKO
9434
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室蘭工業大学研究者データベースへのリンク | ||||||||||||
小室 雅人(KOMURO Masato) | ||||||||||||
http://rdsoran.muroran-it.ac.jp/html/100000258_ja.html | ||||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | In recent years, there has been a continuous increase in the intensity of natural disasters. Slope disasters such as rock falls occur along coastlines and in mountainous regions. Rock shed structures are implemented as measures to prevent rock fall damage; however, these structures deteriorate over time, and their impact resistance also decreases. As a supplementary measure, a method employing foam material as a cushioning material has been used in practical applications. However, the effect of the compressive strength characteristics on the cushioning performance of foamed materials has not been studied thus far. Therefore, in this study, falling-weight impact-loading tests involving various fall heights were performed to examine the absorption performance of various expanded materials. Moreover, we examined the case where core slabs were layered to effectively exploit the absorption performance of the expanded materials. The results of this study are summarized as follows: (1) the transmitted impact penetration stress-strain curves right under the loading points of various expanded materials exhibit properties similar to those obtained from the results of material testing. However, in the case of expanded materials with high compressive strengths, the compressive stress from the results of material testing tends to be lower. (2) In the case of expanded materials with high compressive strengths, with and without core slabs, the distribution of the transmitted impact stress is large, and the energy absorption capacity is high. (3) In this experiment, the energy absorption capacity was found to double when core slabs are layered, regardless of the type of expanded material used. This suggests that expanded materials with high compressive strengths may contribute towards a higher improvement in energy absorption capacities, by using layered core slabs. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : SHOCK AND VIBRATION 巻 2020, 発行日 2020 |
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出版者 | ||||||||||||
言語 | en | |||||||||||
出版者 | HINDAWI LTD | |||||||||||
出版者版へのリンク | ||||||||||||
10.1155/2020/7412456 | ||||||||||||
https://doi.org/10.1155/2020/7412456 | ||||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.1155/2020/7412456 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 511 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 1070-9622 | |||||||||||
権利 | ||||||||||||
言語 | en | |||||||||||
権利情報 | https://creativecommons.org/licenses/by/4.0/ | |||||||||||
著者版フラグ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf |