Response to Dynamic Surface Pressure Distributionsby A. M. Wijesinghe, Grad. Student; Dept. of Mech. Engrg., Massachusetts Inst. of Tech., Cambridge, Mass.,
Herbert B. Kingsbury, Assoc. Prof.; Dept. of Mech. and Aerospace Engrg., Univ. of Delaware, Newark, Del.,
Serial Information: Journal of the Geotechnical Engineering Division, 1980, Vol. 106, Issue 1, Pg. 1-15
Document Type: Journal Paper
Abstract: This paper uses Biot's theory for poroelastic media to examine the response to dynamic surface pressure distribution of layered systems of fluid-filled soils or porous rock. Pressure distributions that are spacially fixed but varying harmonically with time as well as uniformly moving distributions are considered. A general solution is obtained using a Fourier integral transform technique, which is applied to a system consisting of a layer of sand over a base of porous sandstone. Calculated results for deformations, stresses filtering velocities, and fluid flow rates within the layer are presented.
Subject Headings: Pressure distribution | Dynamic pressure | Dynamic response | Soil dynamics | Layered soils | Porous media | Fluid velocity | Fluid flow
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