Harmonic Response Of A Rigid Wall Retaining Poroelastic Soil By
Direct Approach
Author(s)
D.D. Theodorakopoulos, A.P. Chassiakos, D.E. Beskos
Abstract
Harmonic response of a rigid wall retaining
poroelastic soil by direct approach
D.D. Theodorakopoulos, A.P. Chassiakos and D.E. Beskos
Department of Civil Engineering, University of Patras, Greece
Abstract
The problem of the determination of the dynamic pressures and the associated
forces on a rigid, vertical cantilever wall retaining a semi-infinite, uniform, fully-
saturated poroelastic layer of soil is solved analytically under conditions of plane
strain. Hysteretic damping in the soil skeleton may also be present. The rigid
wall and the base of the soil layer are both excited by an acceleration
harmonically varying with time and spatially invariant. The governing partial
differential equations of motion, after separation of variables and the simplifying
assumption of zero vertical normal stresses, reduce to a system of two ordinary
differential equations for the amplitudes of the horizontal solid skeleton
displacement and the pore water pressure, which are easily so
Keywords
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