I would like to get some feedback from fellow structural engineers on what eccentricity is typically used for square tube steel columns (HSS's) that are concentrically loaded and are not part of a frame (resist gravity loads only). The columns would support steel beam(s) on one or both sides with equal or unequal spans. The steel beams are connected to the column with a through knife plate, so they are not connected to just one face of the column. The columns sizes would be anywhere from 4" to 10" square. I typically use 1" eccentricity. I have heard others use 10% of the column size, (i.e. 6" col. would have 0.6" of eccentricity).
Your thoughts? Thank you,
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