Behavior of Cylindrical Steel Shells Supported on Local Brackets
Publication: Journal of Structural Engineering
Volume 134, Issue 8
Abstract
The connection of a local support to an elevated cylindrical metal silo shell is a long-standing difficult problem in shell analysis, and most designs are based on simple ideas using past experiences of successes and failures. Smaller silo structures are often supported on local brackets attached to the side of the shell, but very few investigations of the behavior or strength of such an arrangement have ever been made. This paper presents an outline description of the behavior of a cylindrical steel shell that is discretely supported on several brackets, each rigidly connected to a stiff column or floor. The linear, materially nonlinear, geometrically nonlinear, and bifurcation behaviors of the shell under these conditions are outlined. In this problem the prebuckling deformations, bifurcation mode, and plastic collapse mode are each local. This configuration presents some interesting questions concerning the relative importance of geometric nonlinearity and geometric imperfections. The problem is recommended to advanced shell analysts as a benchmark test of their analysis and interpretation techniques.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 134 • Issue 8 • August 2008
Pages: 1269 - 1277
Copyright
© 2008 ASCE.
History
Received: Apr 2, 2007
Accepted: Jan 28, 2008
Published online: Aug 1, 2008
Published in print: Aug 2008
Notes
Note. Associate Editor: Benjamin W. Schafer
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