What is Beam?

A beam is a structural element that primarily resists loads applied laterally to the beam’s axis Its mode of deflection is primarily by bending.

Cantilever Beam

A cantilever beam is a member with one end projecting beyond the point of support, free to move in a vertical plane under the influence of vertical loads placed between the free end and the support.

Simply supported Beam

A simply supported beam rests on two supports and is free to move horizontally. Typical practical applications of simply supported beams with point loadings include bridges, beams in buildings, and beds of machine tools.

Continuous Beam

  • A continuous beam, i.e. a beam that has more- than two supports, is statically indeterminate.
  • The reactions in the supports of a continuous beam cannot be obtained with the equations of static equilibrium only.
  • For the calculation of the reactions in the supports, each section is considered as an independent beam.

Over Hanging Beam

If the end portion of a beam extends beyond the support, then the beam is known as an overhanging beam. Overhanging may be on one of the supports or on both sides.

Fixed Beam

  • A fixed beam is supported between two fixed ends. It is also called a fixed-end beam, built-in beam, or restrained beam.
  • It is classified as a statically indeterminate beam, which involves more than three unknowns and the equilibrium equations of statics alone are not sufficient to determine the support reactions.

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