• Controlling Fundamental Building Period

    I am running the seismic analysis for a 3 story structure and have questions about how to determine the appropriate building period to use for the seismic analysis. Gravity system is typical steel frame, with composite slab/framing at 2nd and 3rd Floors…
  • Modal Frequency Calculation output details

    Good day, everyone! My query is about using the Modal Frequency Calculation... I've been checking the modal frequency of the structure as a whole but the client asked how we deal with the concentrated loads in the middle of the beams. I said that…