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Title:
Upper-bound solutions of three-dimensional passive earth pressures
Authors:
ID
Škrabl, Stanislav
(Author)
ID
Macuh, Borut
(Author)
Files:
http://dx.doi.org/10.1139/T05-067
Language:
English
Work type:
Unknown
Typology:
1.01 - Original Scientific Article
Organization:
FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:
This paper presents a novel approach to the determination of passive soil pressures: using the upper-bound method within the framework of limit analysistheory. It is based on a three-dimensional, kinematically admissible, rotational, hyperbolical failure mechanism. The failure mechanism is composed of the central and two lateral bodies, which are connected by a common velocity field. This approach is similar to two-dimensional stability analyses, where the log spiral potential failure surface is considered. The front surface of the central body interacts with the retaining wallč the uppersurface can be loaded by surcharge loadingč and the log spiral segment defines the curved failure surface of the central part. The cross sections of the lateral bodies are in agreement with the cross section of the central body. On the outer side, they are laterally bounded by a curved and kinematically admissible hyperbolic surface, which is defined by enveloping the hyperbolical half cones and part of the case surface of the leading half cone. The results give values for the passive soil pressure coefficients that are for most cases lower than the values determined by the upper-bound method of limit analysis for a translational failure mechanism, as published in the literature.
Keywords:
geomechanics
,
soil-structure interaction
,
limit analysis
,
earth pressures
,
passive pressure
,
failure surface
Year of publishing:
2005
PID:
20.500.12556/DKUM-27118
UDC:
624.131.5
ISSN on article:
0008-3674
COBISS.SI-ID:
10333718
NUK URN:
URN:SI:UM:DK:PBDCTVYQ
Publication date in DKUM:
01.06.2012
Views:
1923
Downloads:
106
Metadata:
Categories:
Misc.
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:
ŠKRABL, Stanislav and MACUH, Borut, 2005, Upper-bound solutions of three-dimensional passive earth pressures.
Canadian geotechnical journal
[online]. 2005. [Accessed 13 April 2025]. Retrieved from: http://dx.doi.org/10.1139/T05-067
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Record is a part of a journal
Title:
Canadian geotechnical journal
Shortened title:
Can. geotech. j.
Publisher:
National Research Council of Canada
ISSN:
0008-3674
COBISS.SI-ID:
25184512
Secondary language
Language:
English
Keywords:
geomehanika
,
interakcija objekt-tla
,
limitna analiza
,
zemljinski pritiski
,
porušne ploskve
,
pasivni pritiski
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