R=3
R=3
(OP)
In designing steel for seismic forces, where does it say if you use R=3 or less you dont need to design with the special seismic provisions? AISC? FEMA350?
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: R=3
Part 'E' of inverted pendulum systems.
Why it is under inverted pendulum systems, I have no clue, but this is what the bldg. departments are going by (so I have been told).
RE: R=3
RE: R=3
As I understand it, you still have to use the omega and Cd values that is at the end of the table I mentioned as well. You can't use R=3 and then whatever omega and Cd values you find that match your actual system from the table.
RE: R=3
IBC misprinted the early versions of the code putting Structural Steel not detailed for seismic... under Item 6.
It is now separated into its own Category, Item 7.