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Pile installation using FLAC

Assaf Klar,Itai Einav-2003-01-01-UWA Profiles and Research Repository (University of Western Australia)
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This paper presents a numerical simulation of pile installation using FLAC. A new contact formulation between rigid and deformable bodies is employed. This formulation utilizes equations of motion to describe the behavior of the deformable nodal point along the contact surface. Unlike FLAC’s own embedded interface formulation, the new formulation does not encounter discontinuities problem along nonlinear or piecewise linear surfaces. dant. To learn more about the use of cavity expansions in the solution of pile and cone penetration, one may refer to the excellent book by Yu (2000). Figure 1. Cavity expansion zones along the pile. 2.3 Strain path method The strain path method was first suggested by Baligh (1985). In this method, a flow field of soil is assumed to exist around the pile. From this assumed flow field, strains are derived, while stresses can then be determined according to a particular constitutive relation. Two main drawbacks are associated with this method: (a) equilibriu

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This paper presents a numerical simulation of pile installation using FLAC. A new contact formulation between rigid and deformable bodies is employed. This formulation utilizes equations of motion to describe the behavior of the deformable nodal point along the contact surface. Unlike FLAC’s own embedded interface formulation, the new formulation does not encounter discontinuities problem along nonlinear or piecewise linear surfaces. dant. To learn more about the use of cavity expansions in the solution of pile and cone penetration, one may refer to the excellent book by Yu (2000). Figure 1. Cavity expansion zones along the pile. 2.3 Strain path method The strain path method was first suggested by Baligh (1985). In this method, a flow field of soil is assumed to exist around the pile. From this assumed flow field, strains are derived, while stresses can then be determined according to a particular constitutive relation. Two main drawbacks are associated with this method: (a) equilibriu

Keywords

PileFinite element methodConstitutive equationClassification of discontinuitiesNonlinear systemMaterial point methodFlow (mathematics)Geotechnical engineering

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