Waffle Slab Concrete Bridges: Ultimate Behavior

by John B. Kennedy, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of Windsor, Windsor, Ontario, Canada,
Ibrahim S. El-Sebakhy, Research Asst.; Dept. of Civ. Engrg., Univ. of Windsor, Windsor, Ontario, Canada,


Serial Information: Journal of the Structural Division, 1982, Vol. 108, Issue 6, Pg. 1285-1301


Document Type: Journal Paper

Abstract: The structural response of reinforced and prestressed concrete waffle slab bridges has been examined under working loads as well as under ultimate collapse loads. Bridges of rectangular and skew planforms are studied. The elastic analysis is based on a Fourier series solution, while the ultimate load analysis is formulated using yield-line theory. The results from the theoretical analyses are compared to those from experiments on five 1/8-scale models of reinforced and prestressed waffle slab bridges. The serviceability and load-carrying capacity of reinforced versus prestressed waffle slab bridges are compared.

Subject Headings: Concrete bridges | Failure loads | Prestressing | Ultimate loads | Elastic analysis | Reinforced concrete | Concrete slabs

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