• Staad.PRO Seismic Response Spectrum (CQC)

    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…
  • RE: whats the difference between CQC SRSS ABS 10PCT SHEAR in output anl file ?

    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…