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Slope stability analysis for filled slopes using finite element limit analysis method

conference contribution
posted on 2014-01-01, 00:00 authored by Kelvin Lim, An-Jui Li, A Lyamin
This paper uses the finite element upper and lower bound limit analysis to assess the stability of slopes mostly found in embankment cases where frictional materials are filled on purely cohesive undrained clay. For comparison purposes, the commonly used stability assessment method, limit equilibrium method (LEM) is also employed. The final results for both methods are then presented in the form of comprehensive chart solutions for the convenience of practicing engineers during preliminary slope designs. The failure mechanism will also be discussed in this paper. Ultimately, it should be noted that finite element limit analysis method holds the upper hand as its prior assumptions are not required. Thus, the obtained failure mechanism from the slope stability analysis will be more realistic. Hence, it will provide a better understanding for the slope failure surface. Therefore, engineers should design more carefully when the LEM is applied to the slopes with frictional materials filled on purely cohesive undrained clay. © 2014 American Society of Civil Engineers.

History

Event

GeoShanghai. Congress (2014 : Shanghai, China)

Issue

236 GSP

Pagination

615 - 624

Publisher

American Society of Civil Engineers (ASCE)

Location

Shanghai, China

Place of publication

Reston, Va.

Start date

2014-05-26

End date

2014-05-28

ISSN

0895-0563

ISBN-13

9780784413388

Language

eng

Publication classification

E Conference publication; E1 Full written paper - refereed

Copyright notice

2014, American Society of Civil Engineers (ASCE)

Editor/Contributor(s)

X Zhang, J Chu, R Bulut

Title of proceedings

GeoShangai 2014 : Soil behavior and geomechanics : Selected papers from the proceedings of the 2014 GeoShanghai International Congress

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