Analytical Modeling of Tube‐In‐Tube Structure
Publication: Journal of Structural Engineering
Volume 111, Issue 6
Abstract
Tube‐in‐tube structures are analyzed using a continuum approach in which the two beams are individually modeled by a “tube beamr” that accounts for flexural deformation, shear deformation, and shear‐lag effect. The beams are forced to have equal lateral deflections, and the amount of load carried by each beam is a function of its relative stiffness. The analyses are performed using the Minimum Potential Energy principle, and the results are compared with results of finite element analyses. It is shown that the continuously compatible condition reasonably models tube‐in‐tube structures with as few as five stories.
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Information & Authors
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Published In
Journal of Structural Engineering
Volume 111 • Issue 6 • June 1985
Pages: 1326 - 1337
Copyright
Copyright © 1985 ASCE.
History
Published online: Jun 1, 1985
Published in print: Jun 1985
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