Simplified Analysis of Edge Stiffened Cantilever Slabs

by Baidar Bakht, Sr. Research Officer; Research and Development Div., Ontario Ministry of Transportation and Communications, 1201 Wilson Avenue, Central Building, Downsview, Ontario M3M 1J8 Canada,

Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 3, Pg. 535-550

Document Type: Journal Paper


A realistic analysis of edge stiffened cantilever slabs having linearly varying thickness in one direction (and subjected to concentrated loads) is usually done by rigorous methods that are either computer based or are too complex for everyday design office use. Semigraphical manual methods are presented which provide solutions comparable to those given by rigorous methods. The methods provide longitudinal moments in the slab and also the maximum hogging and sagging moments in the edge beams. The charts are based on grillage analogy analyses of slabs and therefore are subjected to the same limitations as the grillage analogy method, which is demonstrated to conform closely to the classical plate solution for plates of varying thickness.

Subject Headings: Stiffening | Cantilevers | Slabs | Thickness | Moment (mechanics) | Plates | Linear analysis | Concentrated loads

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