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Article Dans Une Revue Bulletin of Earthquake Engineering Année : 2016

Centrifuge modeling of batter pile foundations under sinusoidal dynamic excitation

Résumé

Batter pile (or inclined pile) foundations are widely used in civil engineering structures. However, their behavior under dynamic loadings is not yet thoroughly understood. This paper presents an experimental work on the behavior of batter and vertical piles considering dynamic soil-pile-superstructure interactions. A series of dynamic centrifuge tests were performed using sinusoidal excitations. The influence of the base shaking (frequency content and amplitude) and of the height of the center of gravity of the superstructure is investigated. Seismic responses are analyzed considering the pile cap displacements and forces (total base shear, overturning and residual moments, axial forces). It is found that in certain cases batter piles play a beneficial role on the dynamic behavior of the pile foundation system. This novel experimental work provides an important database on the behavior of batter pile foundations under dynamic loadings.
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Dates et versions

hal-01300250 , version 1 (11-11-2019)

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Zheng Li, Sandra Escoffier, Panagiotis Kotronis. Centrifuge modeling of batter pile foundations under sinusoidal dynamic excitation. Bulletin of Earthquake Engineering, 2016, 14 (3), pp.673-697. ⟨10.1007/s10518-015-9859-2⟩. ⟨hal-01300250⟩
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