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  1. seismiczone

    Steel Moment Frame connections

    That's great Kalico. I tend to write in a criptic way for these responses. Actually, non-qualified connections can be used with an R value of 1 as per an administrative bulletin for San Diego County. It is not in FEMA 350.
  2. seismiczone

    Offset wood shearwalls-omega factor

    I have a 3-story wood framed structure with offset shearwalls. Do I increase the lateral loads specific to the offset lines by 280% and then specify for unit shear values and holdowns? These values get to be very large by the time I get to the 1st floor. What happens if I'm offset vertically...
  3. seismiczone

    Beam to Column Joints in OMF

    Which brings to mind another issue! I have received plan check comments from San Diego on a two story steel frame residence. Evidently the City has a memo that allows non-qualified connections if the R value equals 1.0 in calculating the shear for non-qualified connections. I guess the...
  4. seismiczone

    Beam to Column Joints in OMF

    Son't forget that AISC 2002 may not be adopted in your jurisdiction. You may be stuck with 1997 code.
  5. seismiczone

    Steel Moment Frame connections

    Non-qualified connections as per FEMA 350 can be used in seismic zone 4 with CBC 2001 (UBC97) if they are designed with an R value = 1.0
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