Plastic Analysis of Orthotropic Skew Metallic Decks

by John B. Kennedy, (M.ASCE), Prof. and Head; Dept. of Civ. Engrg., Univ. of Windsor, Windsor, Ontario, Canada,
Pijush K. Chowdhury, Sr. Struct. Engr.; Harley Ellington Pierce Yee Assocs., Southfield, Mich.,


Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 3, Pg. 533-546


Document Type: Journal Paper

Abstract: A solution is developed to predict the structural response of orthotropic skew metallic decks undergoing large deflections into the elastoplastic range leading to their ultimate load-carrying capacity. The iterative solution is based on finite difference approximation of the two coupled fourth-order differential equations of equilibrium and compatibility; the method accounts for the reduction of stiffness after initiation of first yield. Influence of skew is examined. The solution is verified and substantiated by tests on model structures.

Subject Headings: Skewness | Orthotropic materials | Decks | Load bearing capacity | Approximation methods | Model tests | Plastic analysis | Structural response

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