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Re: Sorry Mathcad question (delete if you don't want to read)
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- Subject: Re: Sorry Mathcad question (delete if you don't want to read)
- From: "Laura Watson" <lwatson(--nospam--at)alltel.net>
- Date: Wed, 1 Nov 2000 09:18:41 -0500
Wherever your expression for shear equals zero along the beam, the moment in the beam is at a maximum or a minimum, i.e. dM/dx =0, since shear is the rate of change of moment. If you draw a moment diagram for your beam from, say, left to right, and the shear diagram changes from positive to negative, the moment will be at a positive maximum where the shear diagram changes from positive to negative. There are cases, however, where this will not apply, like a cantilever beam under gravity loading where the maximum moment and the maximum shear occur at the fixed end of the beam. Laura H. Watson, P.E. ---------- > From: Rodriguez, Marlou <mrodriguez(--nospam--at)BiggsCardosa.com> > To: 'SEAINT Newslist' <seaint(--nospam--at)seaint.org> > Subject: Sorry Mathcad question (delete if you don't want to read) > Date: Tuesday, October 31, 2000 12:31 PM > > Sorry this is a mathcad question, > > I am trying to find the maximum moment on a beam with several loads. > > I have writen a function to plot the moment diagram, > > My question is, How do I extract the maximum moment out of my moment > function. > > Thanks to all the mathcad masters > > ************************************************************* > Marlou B. Rodriguez > Biggs Cardossa Associates Inc. > Structural Engineers > 1871 The Alameda, Suite 200 > San Jose, California 95126 > 408-296-5515 Fax 408-296-8114 > > Note: The opinions that I write are my opinions and > are not necessarily the opinions of BCA. > ************************************************************* > >
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