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Showing results for tags 'mass/volume modfiers'.
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AOA everyone, Apart from assigning the usual stiffness modifiers of 0.35 for beam, 0.25 for slabs etc , should we assign mass and weight modifiers to beams? Or does ETABS automatically account for overlapping volumes of slab at beam center line? Also should I be taking torsion modifier for ALL the beams as 0.1? and for complex frame structures where there are irregular or non-orthogonal beams, should I take torsion stiffness as 0.1 at all? I mean how do I know if its a case of compatibility torsion or equilibrium torsion. I am attaching a snapshot of the frame. See the chamfer edge at grid 8. Thanks
