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Simple Beams
Introduction Simple beams are straight of single span and are generally simply supported and
are therefore statically determinate using the static equilibrium laws.
The single cantilever beam which is built in at one end comes within this category. Beams can be loaded in a variety of ways.
The superposition principle provides convenient method of calculating the stresses and deflections
for beams subject to a number of different loads. The effect of each load can
be established seperately and the effect of all the loads acting simultaneously can be obtained
by summing the seperate results... Beams normally have constant sections which for structural work include a variety of forms
many of which are included in the sections part of this website ( Sections ).
In mechanical engineering, generally, the sections considered are round sections (shafts), or rectangular
sections. Beams with sections which vary along their length are often encountered i.e when completing beam
calculations for springs, and gear teeth. These special cases
are dealt with in the notes related to these specific topics 
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Last Updated 25/01/2013