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The effect of negative skin friction on piles and pile groups
2009Piles are often designed to resist axial loads acting on the pile head through the development of positive shaft resistance (PSR) and end-bearing resistance. In addition to the pile head loading condition, shear stresses are mobilized at the pile-soil interface when the soil settles more than the pile in consolidating ground owing to the development of
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Dynamic Lateral Pile‐Group Effects
Journal of Geotechnical Engineering, 1983Dynamic lateral pile‐group effects are studied parametrically for a linearly elastic soil‐pile‐structure system. The soil layer is assumed homogeneous, and all piles are identical and vertical. Pile‐group responses for the soil‐pile systems used in this study are affected primarily by the spacing ratio, the dimensionless frequency, and the directional ...
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Dynamic Group Effect in Axial Responses of Grouped Piles
Journal of Geotechnical Engineering, 1983Analytical expressions for soil stiffness for a group of piles were obtained for both plane strain and three dimensional conditions. A comparison between these two expressions revealed that a concept of a Winkler soil model could be applicable to pile group problems for the frequency range higher than the fundamental natural frequency of the soil ...
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Evaluating the effect of pile spacing and configuration on the lateral resistance of pile groups
Marine Georesources & Geotechnology, 2020In this study, the effects of pile spacing and pile group (PG) configuration on the static lateral resistance of PGs are investigated using finite element (FE) numerical modeling.
Ahmad Souri +2 more
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Effect of pile-cap connection on behavior of torsionally loaded pile groups
Journal of Zhejiang University-SCIENCE A, 2008To evaluate the responses of fixed and pinned pile groups under torsion, a method is presented to analyze the nonlinear behavior of free-standing pile groups with rigid pile caps. The method is capable of simulating the nonlinear soil response in the near field using p-y and τ-θ curves, the far-field interactions through Mindlin’s and Randolph’s ...
Kong, Ling-gang, Zhang, Li-min
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The effect of the propeller jet on pile groups
China Ocean Engineering, 2013The objective of this study is to determine the effect of jet propeller on the damage of berthing structures combined of armoured slope with pile groups. For this purpose, scour measurements were performed for four types berthing structures, which were armoured slope with tandem arrangements of piles for two and three piles and with side by side ...
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Effects of inclined piles on the seismic performances of pile groups
2010S Escoffier, J Chazelas, N Chenaf
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