Two-Way Flexure of Steel-Deck-Reinforced Slabs

by Charles R. Kubic, Lt.; CEC, United States Navy; formerly, Grad. Student in Civ. Engrg., Lehigh Univ., Bethlehem, Pa.,
J. Hartley Daniels, (M.ASCE), Prof.; Dept. of Civ. Engrg., Lehigh Univ., Bethlehem, Pa.,


Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 6, Pg. 1039-1054


Document Type: Journal Paper

Abstract: An elastically orthotropic finite element model with uniform thickness is developed that simulates the behavior of a structurally orthotropic steel-deck-reinforced concrete slab. The elastically orthotropic model accurately predicts the uncracked behavior of previously tested steel-deck-reinforced concrete slabs. The linear, elastic, uncracked behavior of a single panel of a typical steel-deck-reinforced concrete slab is examined for simply supported and fixed boundaries. Deflections and bending moments for two-way flexural action are compared with similar values for one-way bending. An expression is proposed for computing the optimum aspect ratio for a given orthotropic steel-deck-reinforced concrete slab. This study indicates that it is feasible to consider two-way action in the design of steel-deck-reinforced concrete slabs.

Subject Headings: Decks | Steel | Concrete slabs | Orthotropic materials | Elastic analysis | Finite element method | Structural behavior

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