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Slope stability analysis for fill slopes using finite element limit analysis

Lim, K., Li, A., Lyamin, A. and Cassidy, M. 2015, Slope stability analysis for fill slopes using finite element limit analysis, in ECSMGE 2015 : Geotechnical Engineering for Infrastructure and Development : Proceedings of XVI European Conference on Soil Mechanics and Geotechnical Engineering, ICE (Institution of Civil Engineers), London, Eng., pp. 1597-1602, doi: 10.1680/ecsmge.60678.

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Title Slope stability analysis for fill slopes using finite element limit analysis
Author(s) Lim, K.
Li, A.
Lyamin, A.
Cassidy, M.
Conference name European Conference on Soil Mechanics and Geotechnical Engineering (16th : 2015 : Edinbugh, Scotland)
Conference location Edinburgh, Scotland
Conference dates 13-17 Sep. 2015
Title of proceedings ECSMGE 2015 : Geotechnical Engineering for Infrastructure and Development : Proceedings of XVI European Conference on Soil Mechanics and Geotechnical Engineering
Publication date 2015
Start page 1597
End page 1602
Total pages 6
Publisher ICE (Institution of Civil Engineers)
Place of publication London, Eng.
Summary This paper investigates the stability of fill slopes often found in embankment cases where frictional fill materials are placed on purely cohesive undrained clay with increasing strength. By using finite element upper and lower bound limit analysis for this investigation, the limit load can be truly bounded. It is known that two-dimensional analysis yields a more conservative result due to plain strain condition when compared to three-dimensional analysis. Therefore, this paper will focus on three-dimensional (3D) slope stability analysis and for comparison purposes two-dimensional analysis results will be employed. In fact, the final results are presented in the form of comprehensive chart solutions for the convenience of practicing engineers during preliminary slope design. The failure mechanism will also be discussed in order to further illustrate the situation during failure. It should be highlighted that the failure mechanisms are obtained through the numerical method itself and no prior assumptions are required, therefore, are more realistic and able to provide a better understanding for the slope failure surfaces.
ISBN 9780727760678
Language eng
DOI 10.1680/ecsmge.60678
Field of Research 090501 Civil Geotechnical Engineering
Socio Economic Objective 870201 Civil Construction Design
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, ICE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081780

Document type: Conference Paper
Collection: School of Engineering
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