Collapse Behavior and Strength of Steel Silo Transition Junctions. Part II: Parametric Study
Publication: Journal of Structural Engineering
Volume 117, Issue 12
Abstract
This paper presents the results of a major parametric study of the plastic collapse behavior and strength of the complex transition junctions in steel silos using an elastic‐plastic large‐deflection finite element analysis for axisymmetric shells. Both small‐deflection and large‐deflection theories are employed to obtain classical limit loads and to clarify the effect of changes in geometry. The collapse loads determined by the finite element analysis are compared with those predicted by a simple hand method derived by Rotter and an improved method developed in a companion paper. These comparisons show that Rotter's simple method is satisfactory only for junctions at which the shell segments are of similar thickness. The modified method gives a much closer overall approximation to the finite element results over the wide range of parameters studied. This paper also discusses the alternative possibilities of skirt or hopper collapse when a strong junction is used.
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References
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Rotter, J. M. (1985). “Analysis and design of ringbeams.” Design of steel bins for the storage of bulk solids, School of Civil and Mining Engineering, University of Sydney, Sydney, Australia, 164–183.
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Rotter, J. M. (1987). “The buckling and plastic collapse of ring stiffeners at cone/cylinder junctions.” Proc., Int. Colloquim on Stability of Plate and Shell Structures, Ghent, Belgium, 449–456.
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Teng, J. G., and Rotter, J. M. (1989a). “Elastic‐plastic large deflection analysis of axisymmetric shells.” Comput. Struct., 31(2), 211–233.
6.
Teng, J. G., and Rotter, J. M. (1989b). “Plastic collapse of restrained steel silo hoppers.” J. Constr. Steel Res., 14(2), 135–158.
7.
Teng, J. G., and Rotter, J. M. (1991). “Collapse behavior and strength of steel silo transition junctions. Part 1: Collapse mechanics.” J. Struct. Engrg., ASCE, 117(12), 3587–3604.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 117 • Issue 12 • December 1991
Pages: 3605 - 3622
Copyright
Copyright © 1991 ASCE.
History
Published online: Dec 1, 1991
Published in print: Dec 1991
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