The failure load characteristics of finite width strips containing eccentrically located collinear cracks have been determined for a variety of crack combinations. In addition to single cracks, the three cases of two edge cracks of unequal lengths, one edge crack with one internal crack, and two internal cracks have been investigated and analyzed. Combined with the confirmed behaviors for the center crack, the single edge crack, and the symmetrical double edge crack, criteria have been developed to characterize the failure loads for each case. Two internal cracks are described by an elliptical failure load surface with limits of single eccentrically located cracks. The elliptical failure load surface also applies to the case of one edge crack with one internal crack. Two edge cracks demonstrate behaviors which are described by a hyperbolic failure load surface, and are limited by the single edge crack condition. The axis of symmetry for this type of surface is the symmetrical double edge crack behavior.
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