Finite Element for Rock Joints and Interfaces

by Jamshid Ghaboussi, (M.ASCE), Sr. Staff Engr.; Agbabian Assocs., El Segundo, CA,
Edward L. Wilson, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of California, El Segundo, CA,
Jeremy Isenberg, Principal Engineer; Agbabian Assocs., El Segundo, CA,

Serial Information: Journal of the Soil Mechanics and Foundations Division, 1973, Vol. 99, Issue 10, Pg. 849-862

Document Type: Journal Paper


The objective of this paper is to present a method for dynamic stress analysis of saturated soil structures subjected to earthquake loading. The soil is idealized as a fluid saturated porous solid. The coupled equations of motion of the finite element discretized system are solved by a step-by-step integration scheme to determine the motion of the constituent materials along with the intergranular stresses and the pore pressure. Finally, some results of an illustrative example of an earth dam-reservoir system are presented and analyzed.

Subject Headings: Saturated soils | Soil dynamics | Equations of motion | Finite element method | Rocks | Joints | Stress analysis | Soil analysis

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