castellated-beam
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castellated beam
Also called: castellated girder
HB50
castellated beam
HB50
beam formed by cutting the web of an I-beam longitudinally in a zigzag pattern and welding the two halves at the crests of the cuts to give a deeper beam with a higher moment of resistance
A castellated beam is lighter than an equivalent full-web beam and allows the passage of building services through the hexagonal holes in the web.