Journal
COMPUTERS AND GEOTECHNICS
Volume 161, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2023.105593
Keywords
Pile; Lateral response; Sand; Inhomogeneous disturbance characteristics; SW model
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This paper presents an analytical model to calculate the lateral response of piles in homogeneous sand, taking into account the distribution of inhomogeneous disturbance characteristics. The disturbed soil in front of the pile is divided into strain wedge (SW) model elements, and the characteristics of each element are calculated through coordinated pile-soil deformation. The model also considers the limit of the stress level of the SW model element and provides two geometric characteristic distributions. A hyperbolic model is used to calculate the shear stress on the pile side. The proposed model is validated through four pile tests, demonstrating its accuracy. The study also discusses the distributions of soil strain, stress level, fan angle, and three critical depths.
This paper proposes an analytical model for calculating the lateral response of piles in homogeneous sand by considering inhomogeneous disturbance characteristics distribution. The disturbed soil in front of the pile is separated into strain wedge (SW) model elements, with the characteristics of each element calculated through coordinated pile-soil deformation. The limit of the stress level of the SW model element is also considered, and two geometric characteristic distributions are provided. A hyperbolic model is used to calculate the shear stress on the pile side. The proposed model is verified through four pile tests, and the accuracy of the new model is demonstrated by comparison. Additionally, the distributions of soil strain, stress level, fan angle and three critical depths are discussed. The results demonstrate that the model can realistically reveal the inhomogeneous stress-strain status distribution and geometric characteristics of the disturbed soil.
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