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Re: Use of Side Friction to Resist Overturning - Spread Footing

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>The calculations 
> assume a value of 500 psf for side friction on the 2' thick footing.  The 
> forces generated by this side friction are supposed to help resist the 
> overturning moment imposed to the footing.
Relying on friction is the way engineers provide the something that can 
go wrong when we demonstrate Murphy's Law.

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)skypoint.com        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)
http://www.skypoint.com/~chrisw