On Plastic Collapse of Media With Random Yield Strength

[+] Author and Article Information
A. P.-D. Ku, R. P. Nordgren

Department of Civil Engineering, Rice University, Houston, TX 77005

J. Appl. Mech 68(5), 715-724 (Feb 06, 2001) (10 pages) doi:10.1115/1.1388011 History: Received June 14, 2000; Revised February 06, 2001
Copyright © 2001 by ASME
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Grahic Jump Location
Element discretization for (a) Hill mechanism and (b) Prandtl mechanism
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Failure mechanism of a three-dimensional half-space and random field discretization mesh
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Deterministic upper and lower-bound results for a plane half-space indentation problem
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Element discretization of 78 elements and 36 random field nodes
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Convergence of reliability index with increasing number of random field nodes
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Convergence of reliability index with increasing number of random field nodes
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Variation of reliability index with increasing correlation length
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Cumulative probability distribution of collapse pressure for the plane half-space problem with Hill’s mechanism
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Variation of reliability index with respect to increasing failure length for three-dimensional half-space under load p=0.85p*




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