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 …

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 …

Lower bound finite element limit analysis of geo-structures with non-associated flow rule

M Payan, H Fathipour, M Hosseini, RJ Chenari… - Computers and …, 2022 - Elsevier
The use of finite elements and limit analysis in the stability analysis of geo-structures is not
uncommon nowadays, with the assumption of associated flow rule and rigid perfectly plastic …

Evaluation of the active and passive pseudo-dynamic earth pressures using finite element limit analysis and second-order cone programming

H Fathipour, A Safardoost Siahmazgi, M Payan… - Geotechnical and …, 2023 - Springer
This paper presents a numerical model for the evaluation of the active and passive seismic
earth pressure coefficients against the retaining structures subjected to pseudo-dynamic …

Impact of transient infiltration on the ultimate bearing capacity of obliquely and eccentrically loaded strip footings on partially saturated soils

H Fathipour, SB Tajani, M Payan… - International Journal …, 2023 - ascelibrary.org
Soils above the groundwater table and near the ground surface are often partially saturated,
and the changes in the degree of saturation and matric suction caused by infiltration may …

Temperature-dependent lateral earth pressures in partially saturated backfills

S Bahmani Tajani, H Fathipour, M Payan… - European Journal of …, 2023 - Taylor & Francis
Stability analysis of retaining structures supporting variably saturated backfills is a topic of
great significance in civil engineering. However, the backfill soil may be exposed to elevated …

Seismic bearing capacity of shallow foundations subjected to inclined and eccentric loading using modified pseudo-dynamic method

MA Tavakoli, H Fathipour, M Payan, RJ Chenari… - Transportation …, 2023 - Elsevier
In this paper, a comprehensive parametric study is conducted to evaluate the seismic
bearing capacity of shallow strip foundations overlying dry and cohesionless granular soil …

Seismic bearing capacity of eccentrically and obliquely loaded strip footings on geosynthetic-reinforced soil

H Fathipour, M Payan - International Journal of Geomechanics, 2023 - ascelibrary.org
The paper aims to evaluate the pseudostatic seismic bearing capacity of shallow
foundations on geosynthetic-reinforced granular soil subjected to inclined/eccentric …

Numerical study on the bearing capacity of strip footing resting on partially saturated soil subjected to combined vertical-horizontal-moment loading

H Fathipour, M Payan… - European Journal of …, 2023 - Taylor & Francis
This study investigates the bearing capacity of strip footings resting on unsaturated soils
subjected to combined loading using the lower-bound limit analysis coupled with the finite …

Nonisothermal failure envelopes of strip shallow foundations resting on partially saturated clay subjected to combined inclined and eccentric loadings

MJ Chenari, M Payan… - International Journal of …, 2023 - ascelibrary.org
Shallow foundations are commonly resting on partially saturated soil and are very likely to
be exposed to severe variations of temperature. The degree of saturation and matric suction …