
#1
Feb2611, 12:50 PM

P: 140

Suppossedly, it is a possible for a moment to occur (with the same magnitude) at any point along a beam. But this not mean that there is any corresponding force. (So if you choose a point to calculate the moment about, the concentrated moment is a constant). So, how exactly does this work?




#2
Feb2611, 01:58 PM

P: 5,462

Since your question makes no sense otherwise I am going to assume you mean zero shear force and that you understand beam loadings for shear and moment.
The attachment shows a two span continuous beam with a uniform loading. Beneath are shear and moment diagrams. Notice that at certain sections the shear force is zero  this corresponds to local maxima in the bending moment. Depending upon the sign convention you use, you may be familiar with such diagrams the other way up. 


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