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- W4316170930 abstract "In this study, a unified p–y curve model is developed for clays in undrained conditions using the results of 3D finite element (FE) modeling. The p–y curves are primarily used in the analysis of laterally loaded piles. Formulas for the ultimate lateral bearing capacity factor ( N p ), and the reference deflection in the p–y curve ( y 50 ), were obtained using the results of parametric studies and regression analysis. The tangent hyperbolic function was used to model the p–y curve shape. In the FE models, the clay soil material was modeled as elastic-perfectly plastic material using Mohr–Coulomb criteria, and the pile material was modeled as elastic only. The parametric study results show that N p varies nonlinearly with depth. The proposed model for N p is composed of two regions: a nonlinear zone and a linear zone. The model for N p used the undrained shear strength ( s u ), effective unit weight of soil ( γ′), and pile width ( D) as parameters. Further, the proposed model for y 50 was found to be dependent on the soil stiffness ( E s ), D, and N p . The dependency of y 50 on N p was often overlooked in previous studies. Finally, the proposed model was imported in LPILE program and the results from previous case studies were compared with the proposed model predictions." @default.
- W4316170930 created "2023-01-15" @default.
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- W4316170930 date "2023-07-01" @default.
- W4316170930 modified "2023-09-27" @default.
- W4316170930 title "Development of unified <i>p–y</i> curve model for clays using finite element analysis of laterally loaded piles" @default.
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- W4316170930 doi "https://doi.org/10.1139/cgj-2021-0014" @default.
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