The two-dimensional problem of a rigid, unbonded plate embedded in an infinite medium with cracks emanating from the edges of the plate is solved with loading conditions approximating those found in pull-out testing and other engineering applications. The analysis employs the Green’s function approach of Lo, which leads to a singular integral equation that is solved numerically. Stress intensity factors are presented for several combinations of load geometry, crack length, and crack extension angle. These results are used to predict qualitively the crack propagation behavior under the assumptions of linear-elastic fracture mechanics.

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