Local Buckling of Steel Plates in Double Skin Composite Panels under Biaxial Compression and Shear
Publication: Journal of Structural Engineering
Volume 130, Issue 3
Abstract
Steel plates in double skin composite (DSC) panels are restrained by a concrete core and welded stud shear connectors at discrete positions. Local buckling of steel plates in DSC panels may occur in a unilateral mode between stud shear connectors when subjected to combined states of stresses. This paper studies the local and postlocal buckling strength of steel plates in DSC panels under biaxial compression and in-plane shear by using the finite element method. Critical local buckling interaction relationships are presented for steel plates with various boundary conditions that include the shear stiffness effects of stud shear connectors. A geometric and material nonlinear analysis is employed to investigate the postlocal buckling interaction strength of steel plates in biaxial compression and shear. The initial imperfections of steel plates, material yielding, and the nonlinear shear–slip behavior of stud shear connectors are considered in the nonlinear analysis. Design models for critical buckling and ultimate strength interactions are proposed for determining the maximum stud spacing and ultimate strength of steel plates in DSC panels.
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Information
Published In
Journal of Structural Engineering
Volume 130 • Issue 3 • March 2004
Pages: 443 - 451
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: May 10, 2002
Accepted: Mar 19, 2003
Published online: Feb 19, 2004
Published in print: Mar 2004
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