Research Article
Jul 1978
Nonlinear Finite Element Analysis of Farm Silos
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 104, Issue 7
Abstract
A finite element formulation for nonlinear viscoelastic analysis has been synthesized with direct application to the problem of silage-silo interaction as a typical example of farm silo analysis. The formulation is based on basic theories in continuum mechanics and employs a single integral constitutive relation for nonlinear viscoelastic materials. This nonlinear formulation has been found, through its applications, to be a more versatile and accurate scheme when compared with the conventional piecewise-linear viscoelastic finite element formulations. Among the other features of the formulation are its capability of taking prescribed load, simulating incremental construction and its convenience in incorporating the silage-silo wall interface friction mechanism. The devised formulation was applied to predict stress histories, deformations, and resulting capacities produced during sequential loading of a 24x70-ft top unloading drained silo, using materials' constitutive functions that have been previously established through triaxial creep tests on corn silage.
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Information
Published In
Journal of the Structural Division
Volume 104 • Issue 7 • July 1978
Pages: 1045 - 1059
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Jul 1978
Published online: Feb 1, 2021
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Authors
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Karoon Chandrangsu
Grad. Research Assoc., Dept. of Civ. Engrg., The Ohio State Univ., Columbus, Ohio
Alfred G. Bishara, M.ASCE
Prof. of Civ. Engrg., The Ohio State Univ., Columbus, Ohio
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.