Volume 12, Issue 1 And B (Transaction B: Geotechnical Engineering, January 2014)
IJCE 2014, 12(1 And B): 65-71 |
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Vieira C. A simplified approach to estimate the resultant force for the equilibrium of unstable slopes. IJCE 2014; 12 (1) :65-71
URL: http://ijce.iust.ac.ir/article-1-748-en.html
URL: http://ijce.iust.ac.ir/article-1-748-en.html
Abstract: (10634 Views)
This paper presents a simplified approach to estimate the resultant force, which should be provided by a retention system,
for the equilibrium of unstable slopes. The results were obtained with a developed algorithm, based on limit equilibrium
analyses, that assumes a two-part wedge failure mechanism. Design charts to obtain equivalent earth pressure coefficients are
presented. Based on the results achieved with the developed computer code, an approximate equation to estimate the
equivalent earth pressure coefficients is proposed. Given the slope angle, the backslope, the design friction angle, the height of
the slope and the unit weight of the backfill, one can determine the resultant force for slope equilibrium. This simplified
approach intends to provide an extension of the Coulomb earth pressure theory to the stability analyses of steep slopes and to
broaden the available design charts for steep reinforced slopes with non-horizontal backslopes
Type of Study: Technical Note |
Subject:
Geotechnique
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