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Application of incomplete similarity theory to the estimation of the mean velocity of debris flows
Wang, Tao1,2; Chen, Jiangang1,2; Chen, Xiaoqing1,2; You, Yong1,2; Cheng, Niansheng3
2018
Source PublicationLANDSLIDES
ISSN1612-510X
EISSN1612-5118
Volume15Issue:10Pages:2083-2091
SubtypeArticle
Contribution Rank1
AbstractThe mean velocity of debris flow is one of the most important parameters in the design of mitigation structures and in quantitative risk analysis. This study develops a model to predict the mean debris flow velocity observed in the field by applying the incomplete similarity argument. An equation for estimating the Darcy-Weisbach resistance coefficient for debris flows with a volumetric sediment concentration larger than 0.19 is accordingly derived using 128 sets of observation data from nine Chinese gullies, in which both the effect of the volumetric sediment concentration and channel slope on resistance are considered. The derived equation is then verified and compared against five previously published equations by using 61 sets of published observation data from six gullies located in four countries. The applications of the proposed equation are discussed, and the improvements made using the proposed equation are clearly very significant when compared with the previously published equations.
KeywordDebris flow Mean velocity Channel slope Volumetric sediment concentration Incomplete similarity
DOI10.1007/s10346-018-1045-6
Indexed BySCI
WOS KeywordSELF-SIMILARITY ; CHINA ; DISCHARGE ; DYNAMICS ; CHANNELS ; DESIGN ; CREEK
Language英语
Quartile2区
Funding ProjectNational Science Foundation of China[41661134012] ; National Science Foundation of China[51409243] ; National Science Foundation of China[41671112]
TOP
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000444120100015
Funding OrganizationNational Science Foundation of China
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23507
Collection山地灾害与地表过程重点实验室
Corresponding AuthorChen, Xiaoqing
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Sichuan, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
3.Nanyang Technol Univ, Sch Civil & Environm Engn, Nanyang Ave, Singapore 639798, Singapore
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
Wang, Tao,Chen, Jiangang,Chen, Xiaoqing,et al. Application of incomplete similarity theory to the estimation of the mean velocity of debris flows[J]. LANDSLIDES,2018,15(10):2083-2091.
APA Wang, Tao,Chen, Jiangang,Chen, Xiaoqing,You, Yong,&Cheng, Niansheng.(2018).Application of incomplete similarity theory to the estimation of the mean velocity of debris flows.LANDSLIDES,15(10),2083-2091.
MLA Wang, Tao,et al."Application of incomplete similarity theory to the estimation of the mean velocity of debris flows".LANDSLIDES 15.10(2018):2083-2091.
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