Geotechnical stability analysis

SW Sloan - Géotechnique, 2013 - icevirtuallibrary.com
This paper describes recent advances in stability analysis that combine the limit theorems of
classical plasticity with finite elements to give rigorous upper and lower bounds on the …

Upper bound limit analysis using simplex strain elements and second‐order cone programming

A Makrodimopoulos, CM Martin - International journal for …, 2007 - Wiley Online Library
In geomechanics, limit analysis provides a useful method for assessing the capacity of
structures such as footings and retaining walls, and the stability of slopes and excavations …

Limit analysis of lateral earth pressure on geosynthetic-reinforced retaining structures using finite element and second-order cone programming

H Fathipour, M Payan, RJ Chenari - Computers and Geotechnics, 2021 - Elsevier
In this paper, a thorough numerical study is conducted to rigorously evaluate the lateral
earth pressures exerted on the retaining walls backfilled with geosynthetic-reinforced soil …

Limit analysis of modified pseudodynamic lateral earth pressure in anisotropic frictional medium using finite-element and second-order cone programming

H Fathipour, AS Siahmazgi, M Payan… - International Journal …, 2021 - ascelibrary.org
This paper aims at analyzing the active and passive lateral earth pressures exerted on
retaining walls due to the anisotropic medium of dry and noncohesive backfill subjected to …

Undrained stability of plane strain active trapdoors in anisotropic and non-homogeneous clays

S Keawsawasvong, B Ukritchon - Tunnelling and Underground Space …, 2021 - Elsevier
Despite a large number of studies on the active failure of trapdoors conducted in the
literature, there are very limited studies examining the combined influences of undrained …

Influence of transient flow during infiltration and isotropic/anisotropic matric suction on the passive/active lateral earth pressures of partially saturated soils

H Fathipour, SB Tajani, M Payan, RJ Chenari… - Engineering …, 2022 - Elsevier
In this study, the influence of transient flow on the active and passive lateral earth pressures
of variably saturated backfills is thoroughly evaluated employing the lower bound theorems …

Mesh adaptive computation of upper and lower bounds in limit analysis

H Ciria, J Peraire, J Bonet - International journal for numerical …, 2008 - Wiley Online Library
An efficient procedure to compute strict upper and lower bounds for the exact collapse
multiplier in limit analysis is presented, with a formulation that explicitly considers the exact …

Application of discontinuity layout optimization to plane plasticity problems

C Smith, M Gilbert - Proceedings of the Royal Society A …, 2007 - royalsocietypublishing.org
A new and potentially widely applicable numerical analysis procedure for continuum
mechanics problems is described. The procedure is used here to determine the critical …

Evaluation of the lateral earth pressure in unsaturated soils with finite element limit analysis using second-order cone programming

H Fathipour, AS Siahmazgi, M Payan… - Computers and …, 2020 - Elsevier
This paper aims at studying the active and passive earth pressures on the retaining
structures having an unsaturated backfill. To this end, the well-established lower bound limit …

General failure envelope of eccentrically and obliquely loaded strip footings resting on an inherently anisotropic granular medium

H Fathipour, M Payan, RJ Chenari, B Fatahi - Computers and Geotechnics, 2022 - Elsevier
Soil is a cross anisotropic particulate medium with different strengths in various directions;
this is primarily due to its geological deposition process and the very fact that particles …