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Investigation of influence of baffles on landslide debris mobility by 3D material point method
Li, Xinpo1,2,3; Yan, Qiwei2,3; Zhao, Shuxi2,3; Luo, Yu1,2,3; Wu, Yong1,2,3; Wang, Dongpo4
Source PublicationLANDSLIDES
SubtypeArticle; Early Access
Contribution Rank1
AbstractIn mountainous terrain, landslide debris is a common occurrence around the world that can potentially result in catastrophic consequences to downstream residents and facilities. Arrays of baffles are increasingly used as energy dissipaters for the protection from debris flow due to their low cost and environmental impact. However, the development of a numerical tool for the rational design of such structures is still a challenge. In this work, a material point method computational framework is presented, using two contact models to describe the landslide debris movement and interaction with structures, respectively. Flume model experiments are adopted as calibration and good agreements are exhibited in flow kinematics between computed results and physical model tests. Simulations on an idealized scenario of landslide debris flow show how the baffle geometry/arrangement has key effects on the debris movement and deposition. The impact force in soil-structure interaction has also been studied, showing the ability of this method on evaluation force characteristics acted on baffle structures.
KeywordMaterial point method Landslide debris Baffles Impact force Soil-structure interaction
Indexed BySCI ; EI
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000508728800001
EI Accession NumberAccession number:20200508091455
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi, Xinpo
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China;
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
4.Chengdu Univ Technol, State Key Lab Geohazard Prevent & Geoenvironm Pro, Chengdu 610041, 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
Corresponding 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
Li, Xinpo,Yan, Qiwei,Zhao, Shuxi,et al. Investigation of influence of baffles on landslide debris mobility by 3D material point method[J]. LANDSLIDES,2020,17:1129-1143.
APA Li, Xinpo,Yan, Qiwei,Zhao, Shuxi,Luo, Yu,Wu, Yong,&Wang, Dongpo.(2020).Investigation of influence of baffles on landslide debris mobility by 3D material point method.LANDSLIDES,17,1129-1143.
MLA Li, Xinpo,et al."Investigation of influence of baffles on landslide debris mobility by 3D material point method".LANDSLIDES 17(2020):1129-1143.
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