VERTICAL VIBRATION AND ADDITIONAL DISTRESS OF GROUPED PILES IN LAYERED SOIL

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概要

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• Analytical solutions are developed for calculating the harmonic steady-state axial stiffness, damping, and internal forces of pile groups embedded in multi-layered soil. Pile-soil interaction is represented through a dynamic Winkler model, with frequency-dependent spring and dashpot moduli. Pile-to-pile interaction is taken into account analytically by considering the wave field originating along an oscillating ("source") pile and the diffraction of this field by an adjacent ("receiver") pile. In the case of uniform and two-layer soil profiles, closed-form expressions are derived for both pile impedances and dynamic interaction factors between piles. A solution is finally presented for the additional axial forces developed in piles due to pile-to-pile interaction. The predictions of the model compare well with results of earlier studies, while its simplicity offers a versatile alternative to complicated numerical solutions.

• 社団法人地盤工学会の論文
• 1998-03-15

著者

• Gazetas George

  National Technical Univ. Athens Grc

• Mylonakis George

  The City College City Univ. Of New York

関連論文

• PHENOMENOLOGICAL MODEL APPLIED TO INELASTIC RESPONSE OF SOIL-PILE INTERACTION SYSTEMS
• A THERMO-PORO-VISCO-PLASTIC SHEAR BAND MODEL FOR SEISMIC TRIGGERING AND EVOLUTION OF CATASTROPHIC LANDSLIDES
• VERTICAL VIBRATION AND ADDITIONAL DISTRESS OF GROUPED PILES IN LAYERED SOIL
• A Study on Lateral Dashpots for Soil-Structure Interaction and Its Application to a Simplified Technique(福和伸夫他著本誌29巻3号,1989年9月掲載)

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