On 4/25/2010 2:41 PM, Cuyler Page wrote:
> Always wondered if in wood pegs or metal rivets the internal bending 
> elements of tension and compression were only passing miniscule events 
> within the cellular wood or crystalline structure that functioned 
> until their moment of failure, at which point shear was identified and 
> a measurement assigned.
cp in bc,

Yeah, I'm with you on this one.

"A shearing stress occurs when two forces act on a body in opposite 
directions but not in the same plane."  Simplified Engineering for 
Architects and Builders, Harry Parker, John Wiley & Sons.

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