huangyhg

single shear joint with packer - bolt bending
i've searched through this site and my useful toolbox (i.e. bruhn, kuhn & various structural handbooks) and have not yet succeeded in finding a method to calculate the bolt bending due the eccentricities involved in a single shear joint.
i've attempted to assume the moment ( = p * the distance between the forces) is supported at the ends of the bolt, half each end, so p*h/2. however this is much too conservative and the original joint doesn't work with this method let alone the one with the packer (non - strucutral). i was going to then interact this tensile stress with the shear stress to calculate the bolt rf, however, the tensile component is much too high.
any assistance or specific ideas with this would help. thanks in advance.
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can you describe your connection a little better please? how many bolts? load in plane or out of plane? single row, multiple rows? vertical load, load at angle?
aashto provides a design method in chapter 5 of the standard specifications for structural supports for highway sighns, luminaires, and traffic signals.
check out the aircraft analysis book by micheal niu (i think it is the green on). he has some information on shims and bolt/bearing loads due to joint eccentricity.
jetmaker

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