As a result, castellated beams are highly efficient when it comes to enhancing the load-bearing capacity. The principal property of a castellated beam is that we can increase the depth of the beam without increasing its weight. The properties of castellated beams are: 1. The Castellated beam name is derived from the Latin word "castellatus" meaning "built like a castle having regular openings in walls like a castle." These beams were designed as structural channels to improve the depth and strength of the beam without adding more material or weight.Įngineers faced steel shortages after WWII, and they discovered that castellated beams were cheap to build and had an excellent strength-to-weight ratio.Īs a result, castellated beams have been the preferred building solution since the 1950s and were commonly used in Europe to decrease the cost of steel structures due to the low ratio of labor cost to material cost.
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