2011
DOI: 10.1061/(asce)gt.1943-5606.0000534
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Simplified Constitutive Model for Simulation of Cyclic Response of Shallow Foundations: Validation against Laboratory Tests

Abstract: The nonlinear response of shallow foundations has been studied experimentally and analytically. However, the engineering community is not yet convinced of the applicability of such concepts in practice. A key prerequisite is the ability to realistically model such effects. Although several sophisticated constitutive models are readily available in the literature, their use in practice is limited, because (1) they typically require extensive soil testing for calibration; (2) as they are implemented in highly sp… Show more

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Cited by 148 publications
(78 citation statements)
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“…The model is embedded in ABAQUS and modified through a user subroutine, as presented by Anastasopoulos et al [22], to be applicable also for sands.…”
Section: Soil Constitutive Modelsmentioning
confidence: 99%
“…The model is embedded in ABAQUS and modified through a user subroutine, as presented by Anastasopoulos et al [22], to be applicable also for sands.…”
Section: Soil Constitutive Modelsmentioning
confidence: 99%
“…The 8 latter is also modeled with hexahedral continuum elements. Nonlinear soil behavior is modeled with a kinematic hardening model, with a Von Mises failure criterion and associated flow rule [Anastasopoulos et al, 2011]. The evolution law of the model consists of a nonlinear kinematic hardening component, which describes the translation of the yield surface in the stress space, and an isotropic hardening component, which defines the size of the yield surface as a function of plastic deformation [Gerolymos & Gazetas, 2005].…”
Section: Problem Definition and Analysis Methodologymentioning
confidence: 99%
“…Details of this model can be found in the paper by Anastasopoulos et al (2011). Despite its lack of generality, the model has been shown to capture satisfactorily the nonlinear response of a shallow foundation on compliant soil (Anastasopoulos et al, 2011).…”
Section: Soil Propertiesmentioning
confidence: 99%
“…Details of this model can be found in the paper by Anastasopoulos et al (2011). Despite its lack of generality, the model has been shown to capture satisfactorily the nonlinear response of a shallow foundation on compliant soil (Anastasopoulos et al, 2011). Moreover, in an attempt to provide a more realistic representation of the pressuredependent sand behaviour, a user subroutine was encoded to provide variation of strength and stiffness properties with depth according to the relationships ϕ-σ v and E-z shown in Figure 5.…”
Section: Soil Propertiesmentioning
confidence: 99%