Reinforcing for a Rectangular Opening in a Plate

by Robert R. Snell,
Marion B. Scott,

Serial Information: Journal of the Structural Division, 1965, Vol. 91, Issue 4, Pg. 169-180

Document Type: Journal Paper


A plate, containing a sizeable rectangular opening with circular corner fillets, subjected to uniaxial tension, is analyzed by a finite element method. Values are obtained for the maximum stress in an unreinforced plate, a plate with a ring of reinforcing around the edge of the opening, and for several cases with strips of reinforcing parallel to the direction of the applied load. These values are used as a measure of the effectiveness of the various reinforcing configurations studied. Experimental confirmation of the magnitude of the maximum stress is presented for the unreinforced plate and for one reinforced case. The results presented give some insight into the relative effectiveness of the different reinforcing configurations in reducing the maximum stresses occurring in the plate.

Subject Headings: Finite element method | Plates | Tension members | Maximum loads | Load factors | Stress analysis

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