Progressive Collapse of Rigid-Plastic Circular Foundationsby George Gazetas, (A.M.ASCE), Assoc. Prof. of Civ. Engrg.; Rensselaer Polytechnic Inst., Troy, N.Y. 12181,
Serial Information: Journal of the Engineering Mechanics Division, 1982, Vol. 108, Issue 3, Pg. 493-508
Document Type: Journal Paper
The paper presents an analytical study of the behavior of a rigid-perfectly plastic circular foundation plate indenting an elastic two-parameter soil layer (Vlasov soil) under the action of a statically increasing applied load. Closed-form solutions are obtained for critical Loads, maximum surface settlements, foundation deflections and soil reactions in terms of the load intensity, after the plate has been transformed into a mechanism. Two distinct phases of metaplastic behavior are identified depending on whether or not full contact is maintained between soil and foundation. The results are compared with those obtained for a Winkler space and an elastic continuum halfspace.
Subject Headings: Foundations | Plasticity | Progressive collapse | Elastic analysis | Soil analysis | Soil settlement | Critical loads | Layered soils | Plates | Maximum loads
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