Seismic Zones vs. Seismic Design Categories

Seismic Zones vs. Seismic Design Categories

Postby DaveW » Mon Jan 06, 2014 11:17 pm

I noticed some reference material on Seismic Safety Commission using the Seismic Zones for areas of California. I thought seismic zones are from the UBC days? The latest code references ASCE 7 which requires design considerations be made for the following parameters:

Spectral response
Occupancy category
Site category

These considerations lead to a Seismic Design Categories SDC which should replace the old UBC "seismic zones."

http://www.cab.ca.gov/candidates/cse_re ... rial.shtml

Do we still need to go by the older seismic zones that Seismic Safety Commission is referencing in its outdated property guides?

http://www.seismic.ca.gov/pub/CSSC_2006-02_COG.pdf

Thanks,

Dave
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