Beams

Beams are linear members that resist loads through bending. They are one-dimensional counterparts of slabs. Both beams and slabs can only resist loads if there is enough room for them to deform. Therefore, the designer must always allow enough space under beams or slabs so that they can freely deflect. For example, leave enough gap between the underside of the beams or slabs and the non-load-bearing partition wall below such that there will be no load transfer. 

Beam Bending

Loads are usually spread over the length of beams, therefore, in most cases beams have two internal forces (shear ,V, and moment, M).

Beam Internal Force

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