Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil

A simplification of existing analytical solutions together with an extended hybrid model is proposed for estimating the horizontal impedance of batter pile groups subjected to harmonic loading. The solutions are given through compact interaction factors and analogue pile‐soil‐pile interaction elemen...

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Veröffentlicht in:Earthquake engineering & structural dynamics 2021-11, Vol.50 (14), p.3894-3915
Hauptverfasser: Cemalovic, Miran, Husebø, Jan B., Kaynia, Amir M.
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Kaynia, Amir M.
description A simplification of existing analytical solutions together with an extended hybrid model is proposed for estimating the horizontal impedance of batter pile groups subjected to harmonic loading. The solutions are given through compact interaction factors and analogue pile‐soil‐pile interaction elements. Benefits and pitfalls of the simplified models are elucidated through a comprehensive comparison with a refined finite element model. The effect of varying center‐to‐center pile distance with respect to depth is discussed. It is shown that the analytical model is able to represent pile‐soil‐pile interaction rather well within the specified framework.
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source Wiley Online Library - AutoHoldings Journals
subjects Batter piles
batter piles groups
complex stiffness
Computer applications
Depth perception
Estimation
Exact solutions
Finite element method
geodynamics
Impedance
interaction factor
Mathematical models
Pile groups
Piles
pile‐soil‐pile interaction
Soil
Soil dynamics
Soils
strucutral dynamics
title Simplified computational methods for estimating dynamic impedance of batter pile groups in homogeneous soil
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