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Effective width of H-beam plus deck plating?

Effective width of H-beam plus deck plating?

Effective width of H-beam plus deck plating?

(OP)
One of my H beam is not strong enouth, so I try to consider the plating(on top of h-beam).
Normally we can get the Effective width according the AISC
B section(such as T beam or angle).
But for H beam, the flange and the plating is a composite section, so the T should be the thichness of flange thichness or the thichness of total?

RE: Effective width of H-beam plus deck plating?

If the plate is secured to the 'H' (or W) section and welds supplied to develop the shear, then the thickness could incorporate the plate plus a small overhang of the plate on each side of the H.  I don't know what codes are in effect and whether they permit this (even, as a rational design approach).  Can you gain any benefit from using a limit states approach and if the section can be considered as 'compact' gain some additional strength by considering Z in lieu of S; this may give you an increased 10 to 15%...

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