Hi. I am working on a steel structure and i have some issues with the seismic loads.
That are the flexure MZ diagrams for the pure seismic load case in X direction (longitudinal).
It caught my attention the results for the beam element marked in…
These are 4 different ways in which results from the modes are combined to arrive at the final response. Since you used CQC as your modal combination method when defining the spectrum input, I would suggest that you go with the CQC shear. The CQC is a…