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Combined Shear and Tension on A449 Bolts

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I am interested in combined tension and shear stresses for Grade 5 and Grade 8 bolts.  I think that the Grade 5 bolts are similar to A449 and the Grade 8 are A354 Grade BD.  For A449 bolts, Table J.3.3 of ASD 9th edition has a formula for calculating the allowable tensile stress in bolts greater than 1 1/2" diameter subject to shear.  
If I have 3/4" Grade 5 bolts, should I just use fa/Fa + fv/Fv <1.0  using Fa = .33Fu and Fv = 0.17Fu?
Should this same approach be used for the Grade 8's.
Thanks in advance,
Kenneth S. Peoples, P. E.
Lehigh Valley Technical Associates
1584 Weaversville Road
Northampton, PA 18067-9039
Phone: (610) 262-6345
Fax: (610) 262-8188
e-mail: kpeoples(--nospam--at)