The relevance of the pile-soil and pile heads-pile cap coupling assumptions in the dynamic response of a pile-cap system
The relevance of the pile-soil and pile heads-pile cap coupling assumptions in the dynamic response of a pile-cap system
When simulating the response of buildings on piled foundations due to ground vibration, the coupling conditions between the piles, the soil and the building structure may have an important effect on the results. In this paper, the significance of the coupling conditions between the piles and the soil, as well as the interaction assumptions adopted to connect pile heads with a pile cap are evaluated when the system is subjected to inertial excitations. To model the problem, the singular boundary method is employed to model the soil reaction, the piles are modelled through the classic linear structural theories and the piles cap systems are modelled by using the finite element method. The predicted vibration levels are numerically validated with the ones predicted by a 3D FE-BE method, and the discrepancies associated with the pile-soil and pile heads-pile cap coupling conditions are discussed
Pile-cap system, Singular boundary method, Pile-soil, Singular boundary methods, Soil structure interactions, Pile foundations, Dynamic response, Soil-structure interaction Beryllium alloys, Structural dynamics, Pile driving, Coupling condition, Soil-structure interaction, Pile head, Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica, Pile caps, Piled foundations, Pile drivers, Piles, Pile-pile, Singular boundary method (SBM)
Pile-cap system, Singular boundary method, Pile-soil, Singular boundary methods, Soil structure interactions, Pile foundations, Dynamic response, Soil-structure interaction Beryllium alloys, Structural dynamics, Pile driving, Coupling condition, Soil-structure interaction, Pile head, Àrees temàtiques de la UPC::Enginyeria mecànica::Mecànica, Pile caps, Piled foundations, Pile drivers, Piles, Pile-pile, Singular boundary method (SBM)
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