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Re: asd vs lrfd

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The point that I have been trying to make is that with different load
factors for dead load and live load, the shear and moment diagrams
that you get frequently can bear little similarity to the service load
shear and moment diagrams.  As a result, you have no idea what the
factor of safety is (or if there is even a factor of safety) where the
service load stresses are a maximum.

A. Roger Turk, P.E.(Structural)
Tucson, Arizona