Single piles under monotonic lateral loads-Full scale tests and numerical modelling
Keywords:Pile, Full-scale test, Lateral loading, FEM modelling, P-Y curves
This paper aims to present the results of the analysis of full-scale lateral loading tests of a single pile driven into a bi-layered soil located in Plancoet (France). The pile was subjected to a monotonic sequence of loads, and the P-Y curves along the pile were derived and compared to those recommended by the current design methods. Displacement analysis was then undertaken by inputting these P-Y curves, as well as those currently recommended in the literature, into the software SPULL to predict the load-deflection curve. The calibration process was conducted by a 3D finite element model using Abaqus software based on the elastic-perfectly plastic Mohr–Coulomb constitutive model, and the surface-to-surface contact method was used to take into account the nonlinear response at the pile/soil interface. The determined soil elastic modulus was used to predict the pile deflections by using some usual elasticity-based methods, which led to good prediction of the small pile deflections.
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Copyright (c) 2022 Hocine Haouari, Ali Bouafia
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