Statically
Indeterminate Axial Members
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In a Nut Shell: An axial member with more
supports provided than needed to maintain equilibrium of
the member is said to be statically indeterminate. In such a case neither the support forces
nor the internal forces can be determined from the equilibrium equations. More information is required to analyze
this type of problem. This same concept also applies to
torsion and bending members. Statically indeterminate
means that the forces in various portions of the structure cannot be determined by statics
alone. Deformation must also be
considered. Usually there are three ingredients in a
statically indeterminate problem:
The same three ingredients
are in any problem in deformable bodies – either statically determinate or indeterminate. But in the indeterminate case, they must
usually be considered simultaneously. Click here for a
discussion of strategy for statically indeterminate problems. Click here for examples of
indeterminate axial applications. |
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