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Dynamic stiffness of deep foundations with inclined piles
Authors:L A Padrón  J J Aznárez  O Maeso  A Santana
Institution:Instituto Universitario de Sistemas Inteligentes y Aplicaciones Numéricas en Ingeniería (IUSIANI), Universidad de Las Palmas de Gran Canaria, Edificio Central del Parque Científico y Tecnológico del Campus Universitario de Tafira, 35017 Las Palmas de Gran Canaria, Spain
Abstract:The influence of inclined piles on the dynamic response of deep foundations and superstructures is still not well understood and needs further research. For this reason, impedance functions of deep foundations with inclined piles, obtained numerically from a boundary element–finite element coupling model, are provided in this paper. More precisely, vertical, horizontal, rocking and horizontal–rocking crossed dynamic stiffness and damping functions of single inclined piles and 2 × 2 and 3 × 3 pile groups with battered elements are presented in a set of plots. The soil is assumed to be a homogeneous viscoelastic isotropic half‐space and the piles are modeled as elastic compressible Euler–Bernoulli beams. The results for different pile group configurations, pile–soil stiffness ratios and rake angles are presented. Copyright © 2010 John Wiley & Sons, Ltd.
Keywords:inclined piles  soil–  structure interaction  pile group  dynamic stiffness
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