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