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<p>In this paper, a plane strain numerical study applying finite-difference method is addressed to estimate the bearing capacity of shallow foundations adjacent to sloping grounds. Homogeneous soil conditions are modelled by means of a linear elastic perfectly plastic model with a Mohr–Coulomb failure criterion and non-associated flow rule. The study investigates the influence of key parameters, including the dilatancy angle, internal friction angle, slope angle and setback distance normalized by the foundation width, on the bearing capacity. The findings indicate that soil non-associated plasticity has proportional effect on the magnitude of footing bearing capacity. Moreover, to have an extensive insight into the effect of soil’s non-associativity on the footing capacity, a reduction factor is introduced against the case where the foundation rested on horizontal ground. The results are compared with previous studies in the literature.</p>

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Numerical Study of Bearing Capacity of Foundations Adjacent to Slopes Considering Non-Associated Plasticity

  • 期刊论文

  • 发表日期：

    2025年3月26日

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  • Mohamed-ElHadi Zobiri,
  • Mohamed Saddek Remadna,
  • Cheima Bouraoui,
  • Mohamed Nabil Houhou,
  • Franz Tschuchnigg

摘要

In this paper, a plane strain numerical study applying finite-difference method is addressed to estimate the bearing capacity of shallow foundations adjacent to sloping grounds. Homogeneous soil conditions are modelled by means of a linear elastic perfectly plastic model with a Mohr–Coulomb failure criterion and non-associated flow rule. The study investigates the influence of key parameters, including the dilatancy angle, internal friction angle, slope angle and setback distance normalized by the foundation width, on the bearing capacity. The findings indicate that soil non-associated plasticity has proportional effect on the magnitude of footing bearing capacity. Moreover, to have an extensive insight into the effect of soil’s non-associativity on the footing capacity, a reduction factor is introduced against the case where the foundation rested on horizontal ground. The results are compared with previous studies in the literature.