Strength of Materials Cantilever Beam

Cantilever Beam

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A cantilever beam is simply defined as a beam that is rigidly supported only at one end and carries a load at the other or open end. 

A load applied to the beam is resisted by the shear stress and a moment at the point of attachment to the support. In this idealized situation, with axial loading, the beam experiences a shear stress parallel to the z-axis (vertical) and a moment. This moment consists of a force and an instantaneous axis of rotation about which the force is applied.


Advantages:
  • Very simple to construct.
  • Only one fixed support is required.
Disadvantages:
  • When the beam is loaded at one end, the moment at the fixed end is higher, if more load is applied, it can break free from the support.
 
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