Short Edge Margin: Is 1.36D Sufficient to Prevent Shear-Out?

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har_rai
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Hello All,
I have short edge margin condition of 1.36D on one of the part.Actually 3 parts of aluminum are joined together by bolts and one part has short edge margin.

All the parts have sufficient bearing strength.So if I understand right bearing failure occurs before shear-tear-out-failure.So if this is right then is 1.36D okay to prevent shear-out as there is no bearing failure due to sufficient bearing strength?

Thanks
 

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Hi
If somebody is confused I just want to say that my bearing allowable is much higher than shear tear out so I think I shouldn't be worried for shear-tear out failure even though it is 1.3 D<2D.

Am I right in this?

And is shear tear out always occur after bearing failure?

Thanks