I have an existing roof truss with double angles. Most of the double angles are SLBB. The truss is modeled in the X-Y plane and all of the double angles have the local 3-3 axis perpendicular to the truss. The top and bottom chords are modeled as continuous members. All of my loads are gravity loads -Y.
Why does the Ram Analysis and Design reports show values other than zero for M22 and show zero for M33 moments? Isn't this backward? There should be no out-of-plane moments.