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Simulation and test of the movement process of mixed flow composed of slurry and coarse particle
Ji, Xian-jun1,2; Liang, Ying1; Ou, Guo-qiang2; Pan, Hua-li2
Corresponding AuthorLiang, Ying(jifeng988@163.com)
2019-04-08
Source PublicationEUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING
ISSN1964-8189
Pages13
AbstractMixed flow composed of coarse particle and mud is a common mountain disaster. Because of its typical granular material characteristics, fluid theory based on continuum hypothesis is difficult to describe discontinuous deformation. Therefore, the rotary shear and normal bonding experiments of clay mud are carried out by MCR301 to determine the mechanical parameters of the normal and the tangential direction of the mud (131% moisture content). According to the theory of granular material, with PFC3D as the platform, write the numerical viscosity slope model test programme, according to the mud test results, set the parameters of the numerical model, reproduction process and the discontinuous deformation phenomenon, and is verified by the same size physical model test. The results show that the PFC3D discrete element method based on granular material theory can well reproduce the movement process and discontinuous deformation phenomenon of the coarse particle mud mixing flow slope, and provide a new way for in-depth analysis of the complex landslide movement process.
KeywordMixed flow of particle and mud numerical simulate model experiment discrete element method
DOI10.1080/19648189.2019.1570345
Indexed BySCI
WOS KeywordMODEL
Language英语
Funding ProjectNational Natural Science Foundation[41672357] ; National Natural Science Foundation[41372331] ; National Natural Science Foundation[51679229] ; Henan Provincial Department of Science and Technology Research Project[182102310779] ; Henan Provincial Department of Science and Technology Research Project[162102310253]
WOS Research AreaEngineering
WOS SubjectEngineering, Civil ; Engineering, Geological
WOS IDWOS:000466683700001
Funding OrganizationNational Natural Science Foundation ; Henan Provincial Department of Science and Technology Research Project
PublisherTAYLOR & FRANCIS LTD
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/25951
Collection山地灾害与地表过程重点实验室
Corresponding AuthorLiang, Ying
Affiliation1.Nanyan Inst Technol, Nanyang, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Sichuan, 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
Ji, Xian-jun,Liang, Ying,Ou, Guo-qiang,et al. Simulation and test of the movement process of mixed flow composed of slurry and coarse particle[J]. EUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING,2019:13.
APA Ji, Xian-jun,Liang, Ying,Ou, Guo-qiang,&Pan, Hua-li.(2019).Simulation and test of the movement process of mixed flow composed of slurry and coarse particle.EUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING,13.
MLA Ji, Xian-jun,et al."Simulation and test of the movement process of mixed flow composed of slurry and coarse particle".EUROPEAN JOURNAL OF ENVIRONMENTAL AND CIVIL ENGINEERING (2019):13.
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