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Josh, Thanks for the reply. I will see if I can do what I want in Floor. In 3D I can see the grahical deflected shape using the plot options, but not with any deflection ratio values presented. Perhaps I need to get upgraded to V12. Also, I appreciate your contributions to this forum.

Does RISA 3D have the capability to suggest members based on deflection limits or set deflection limits in the section sets? I am switching from a software package that has this functionality which we use quite a bit. Thanks for any help.

I am designing some concrete stair towers as shear walls. Because I am in Seismic Zone D these must be 'Special reinforced' and I am following the requirements of ACI 318 section 21.7. In order to determine the need for special boundary elements I must compare the largest neutral axis depth...

Thanks guys, you are totally correct. I think I should go for a walk now.

Gentlemen, I am studying for the PE Exam using the NCEES Structural I sample question book. The question I am having trouble with is as follows: Determine the maximum allowable moment on the masonry wall based on the maximum allowable steel flexural stress. The wall is 8" block with #5's @...