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Experimental investigation of dry granular flow impact via both normal and tangential force measurements
Jiang, Y. -J.; Zhao, Y.
Corresponding AuthorY.-J. Jiang
2015
Source PublicationGEOTECHNIQUE LETTERS
ISSN2049-825X
EISSN2045-2543
Volume5Pages:33-38
SubtypeArticle
AbstractThe study of granular flow is important for natural hazards such as avalanche and debris flow. In this context, granular flow impact against a retaining wall was investigated through the measurement of both normal and tangential sub-forces. The tangential sub-forces change from positive to negative with respect to the wall in the impact process, which can be classified into two impact states according to the development of the stagnant zone. In the process, interface friction between the granular material and the wall is calculated according to normal and tangential forces and defined as the equivalent interface friction angle, which is observed to vary, and is smaller than the value measured in interface friction tests. The absolute value of the equivalent interface friction angle decreases with slope angle. It was also observed that a reduction in the interface friction angle of the wall has a negligible influence on the impact force calculation, while a reduction in the interface friction angle of the flume base leads to a significant overestimation of the force. These findings should significantly aid the study of granular flow and its applications.
KeywordEarth Pressure Laboratory Tests Retaining Walls Soil/structure Interaction
WOS HeadingsScience & Technology ; Technology
DOI10.1680/geolett.15.00003
URL查看原文
WOS Subject ExtendedEngineering
Indexed BySCI
WOS KeywordBEHAVIOR
Language英语
Quartile4区
TOP
WOS SubjectEngineering, Geological
WOS IDWOS:000352653600006
Funding OrganizationNational Natural Science Foundation of China(41030742) ; Hundred Young Talents Program of the Institute of Mountain Hazards and Environment(SDSQB-2013-01) ; West Light Foundation of Chinese Academy of Sciences ; Science Foundation of the Institute of Mountain Hazards and Environment for Young Scholars
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/8765
Collection山地灾害与地表过程重点实验室
AffiliationChinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, 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
Jiang, Y. -J.,Zhao, Y.. Experimental investigation of dry granular flow impact via both normal and tangential force measurements[J]. GEOTECHNIQUE LETTERS,2015,5:33-38.
APA Jiang, Y. -J.,&Zhao, Y..(2015).Experimental investigation of dry granular flow impact via both normal and tangential force measurements.GEOTECHNIQUE LETTERS,5,33-38.
MLA Jiang, Y. -J.,et al."Experimental investigation of dry granular flow impact via both normal and tangential force measurements".GEOTECHNIQUE LETTERS 5(2015):33-38.
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