Jan 6, 2007 #1 jeepman5 Structural Jan 6, 2007 1 0 0 US What does a o/s #3 message mean on etabs when doing concrete design?
Jan 9, 2007 #2 drp181 Structural Aug 22, 2003 8 0 0 US O/S #3 signifies "Shear stress exceeds maximum allowed" - i.e., a shear failure. Upvote 0 Downvote