On Fri, 18 Jan 2008 05:00:26 -0600, cavelamb himself
wrote:

Nick Mueller wrote:
Ed Huntress wrote:


The specific load imposed by a hard and
strong bolt may exceed the strength of the material being bolted together
by so much that the material being bolted fails, whereas it wouldn't fail
if the bolt deformed and thus redistributed the load on the joint itself.



Design flaw: The *bolt* is designed to take the shearing force. You are
fired! That is wrong by design! It always are the two parts and the
friction between the two and the preload given by the bolt. There is no
difference between different grades of bolts (- modulus). OK, there are


Actually, in aircraft work it's the exact opposite.
Bolts are never (?) loaded in tension.
Shear only.

For what it's worth...

Not quite true. The bolt is in tension to hold parts together so the
friction takes the shear. Clamping load is still tension.

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