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T-Beams in Etabs

T-Beams in Etabs

T-Beams in Etabs

(OP)

In negative moment, the flange in T-beam has additional tension strength and no compressive block advantage (which is on the bottom), and many codes ignore the contribution of the flange in tensile strength. I guess Etabs ignore this too.

How about the compression block at positive moment in midspan at the flange. Does Etabs take this into account? I'd like to know if designers who uses ETABs has the ETABS program automatically take into account this flange compressive block or not.

How about you. When you do manual computations of building. Do you use the compressive block of the original beam width or included the action of the flange (hence bigger compression block) at midspan?

RE: T-Beams in Etabs

I can't confirm what ETABS does, but manual calculations normally take into account the flange of the T-beam as a compression block for positive moment. The effect is to increase the effective depth, d.

BA

RE: T-Beams in Etabs

One correction...the flange does not assist in tension. It is the reinforcement in the flange within the vicinity of the web which helps.

RE: T-Beams in Etabs

(OP)
Thank you.

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