IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
Stability analysis of the slope of debris-flow fan under artificial rainfall
Language英语
Zhu, Y.-Y.1; Cui, P.1; Zou, D.H.S.1,2
2007
Source PublicationROCK MECHANICS: MEETING SOCIETY'S CHALLENGES AND DEMANDS, VOLS 1 AND 2: VOL: FUNDAMENTALS, NEW TECHNOLOGIES & NEW IDEAS ; VOL 2: CASE HISTORIES
Author of SourceEberhardt, E ; Stead, D ; Morrison, T
Pages979-986
meeting1st Canada/United States Rock Mechanics Symposium
Conference DateMAY 27-31, 2007
Conference PlaceVancouver
CountryCANADA
Publication PlaceLONDON
PublisherTAYLOR & FRANCIS LTD
Contribution Rank1
AbstractThe slope failure of debris flow fans is distinct from common rock and soil slope failures due to the unique geotechnical features of debris flow sediment. This type of failure was not comprehensively and systematically studied in the past. In our recent research, based on the unique characteristics of debris flow fans, the Spencer slicing method with varying side force inclination is used to search for the possible critical slip surface, and the seepage force acting on the slip surface is considered in the calculation. This is done using spreadsheet-automated constraint optimization. A practical subroutine is developed to interpret the stability of a slope with varying physical parameters along the slope depth by using Visual Basic Application embedded in Microsoft Excel. To simulate the observed behavior of the slope failure, a series of triaxial tests was conducted to seek the varying physical parameters of in-situ debris flow sediment. The results of calculation are then compared with the actual slip surface observed in the field experiment. Significant findings result, regarding the mechanism of slope failure in debris flow fans.
DOI10.1201/NOE0415444019-c122
ISBN978-0-415-44401-9
Indexed ByEI ; CPCI
Accession numberAccession number:20084711725680
WOS IDWOS:000252215300122
Citation statistics
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33472
Collection成都山地所知识仓储(2009年以前)
山地灾害与地表过程重点实验室
Corresponding AuthorZhu, Y.-Y.
Affiliation1.Key Laboratory of Mountain Hazards and Surface Process, Chinese Academy of Sciences, Chengdu, China;
2.Dalhousie University, Halifax, NS, Canada
Recommended Citation
GB/T 7714
Zhu, Y.-Y.,Cui, P.,Zou, D.H.S.. Stability analysis of the slope of debris-flow fan under artificial rainfall[C]//Eberhardt, E, Stead, D, Morrison, T. LONDON:TAYLOR & FRANCIS LTD,2007:979-986.
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