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The Influence of an EPS Concrete Buffer Layer Thickness on Debris Dams Impacted by Massive Stones in the Debris Flow
Yu, Xianbin1,2,3; Chen, Xiaoqing1,2; Zhao, Wanyu1,2; Chen, Jiangang1,2
Corresponding AuthorYu, Xianbin
2015
Source PublicationSHOCK AND VIBRATION
ISSN1070-9622
EISSN1875-9203
PagesDOI:10.1155/2015/463640
SubtypeArticle
AbstractThe failure of debris dams impacted by the massive stones in a debris flow represents a difficult design problem. Reasonable materials selection and structural design can effectively improve the resistance impact performance of debris dams. Based on the cushioning properties of expanded polystyrene (EPS) concrete, EPS concrete as a buffer layer poured on the surface of a rigid debris dam was proposed. A three-dimensional numerical calculation model of an EPS concrete buffer layer/rigid debris dam was established. The single-factor theory revealed change rules for the thickness of the buffer layer concerning the maximal impact force of the rigid debris dam surface through numerical simulation. Moreover, the impact force-time/history curves under different calculation conditions for the rigid debris dam surface were compared. Simulation results showed that the EPS concrete buffer layer can not only effectively extend the impact time of massive stones affecting the debris dam but also reduce the impact force of the rigid debris dam caused by massive stones in the debris flow. The research results provide theoretical guidance for transferring the energy of the massive stone impact, creating a structural design and optimizing debris dams.
KeywordMassive Stones Eps The Failure Of Debris Dams Impacted
WOS HeadingsScience & Technology ; Technology
DOI10.1155/2015/463640
URL查看原文
WOS Subject ExtendedAcoustics ; Engineering ; Mechanics
Indexed BySCI
Language英语
Quartile4区
TOP
WOS SubjectAcoustics ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000360212700001
Funding OrganizationChinese Academy of Sciences(KZZD-EW-05-01-04) ; National Key Technology R&D Program of the Ministry of Science and Technology(2014BAL05B01)
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10918
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Yu, Xianbin,Chen, Xiaoqing,Zhao, Wanyu,et al. The Influence of an EPS Concrete Buffer Layer Thickness on Debris Dams Impacted by Massive Stones in the Debris Flow[J]. SHOCK AND VIBRATION,2015:DOI:10.1155/2015/463640.
APA Yu, Xianbin,Chen, Xiaoqing,Zhao, Wanyu,&Chen, Jiangang.(2015).The Influence of an EPS Concrete Buffer Layer Thickness on Debris Dams Impacted by Massive Stones in the Debris Flow.SHOCK AND VIBRATION,DOI:10.1155/2015/463640.
MLA Yu, Xianbin,et al."The Influence of an EPS Concrete Buffer Layer Thickness on Debris Dams Impacted by Massive Stones in the Debris Flow".SHOCK AND VIBRATION (2015):DOI:10.1155/2015/463640.
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