Re: shear and moment diagrams
- From: "Kelly Jones" <kellytjones@xxxxxxxxxxx>
- Date: Fri, 12 Oct 2007 18:41:32 -0700
"Joe Pfeiffer" <pfeiffer@xxxxxxxxxxx> wrote in message
news:1b1wc0qrzo.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I'm working my way through the eighth edition of "Simplified Design of
Steel Structures" by Ambrose and Tripeny (Parker having died at some
point), and I'm finding it to be an odd mix of very basic definitions
and material that requires substantial background. In the latter
category, they've suddenly launched into shear and moment diagrams
with no explanation of just what the diagram is visualizing.
Can somebody point me at a good source for this?
The shear diagram is deisgned to help visuallize the total forces on a beam,
which are sometimes not obvious. The moment diagram helps visualize the
magnatide and location of the bending moment on the beam. The maximum
moment (and therefore the maximum bending stress) is located where the shear
diagram changes sign. The power of the diagrams comes when you have several
externally applied forces and moments on a beam.
.
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- From: Joe Pfeiffer
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