What type of beam is typically used in structures for its stability and strength?

The flitch plate girder is recognized for its unique construction that combines the tensile strength of steel with the compressive strength of wood or concrete, providing exceptional stability and strength. This hybrid design addresses the weaknesses of traditional materials alone and allows for longer spans and reduced deflection under load.

In many structural applications, particularly those needing to support heavy loads or where space restrictions prevent the use of larger beams, the flitch plate girder excels. It can be particularly advantageous in instances where the beam must traverse large openings, making them suitable for bridges or expansive commercial buildings.

The other types of beams mentioned may serve specific purposes but do not offer the same level of versatility and strength as the flitch plate girder in high-load situations. For instance, simple beams are generally used for less demanding spans. Overhanging beams can be limited in application due to their cantilevered nature, while box beams, although strong, may not always allow for the same level of custom engineering as a flitch plate girder. Thus, the flitch plate girder emerges as the preferred choice for demanding structural applications.