Kinematic interaction between soil and structure originates from the incompatibility of the seismic free-field motion and the displacements of a more rigid embedded foundation. Foundation piles will actually experience deformations not only due to the loads directly transmitted by the superstructure, but also due to the passage of the seismic waves through the surrounding soil. In particular, bending moments may reveal quite important and, under certain circumstances, should be taken into account in the design, as prescribed by recent seismic codes (EN 1998-5; D.M. 14.1.2008). In this paper, the main results of a theoretical study are illustrated and some preliminary elements to be considered for seismic building codes are suggested.
Soil-pile kinematic interaction: new perspectives for EC8 improvements
CAIRO, Roberto;CONTE, Enrico;DENTE G;
2009-01-01
Abstract
Kinematic interaction between soil and structure originates from the incompatibility of the seismic free-field motion and the displacements of a more rigid embedded foundation. Foundation piles will actually experience deformations not only due to the loads directly transmitted by the superstructure, but also due to the passage of the seismic waves through the surrounding soil. In particular, bending moments may reveal quite important and, under certain circumstances, should be taken into account in the design, as prescribed by recent seismic codes (EN 1998-5; D.M. 14.1.2008). In this paper, the main results of a theoretical study are illustrated and some preliminary elements to be considered for seismic building codes are suggested.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
