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SJI joist girder as moment frame

SJI joist girder as moment frame

SJI joist girder as moment frame

(OP)
Steel Joist Institute fabricators can design their products for end moments for use in moment frames.  Can a SJI joist girder be used for seismic loads in an IBC06 seismic design category D building?  If so what would you use for the basic seismic force resisting system and response modification coefficient?

RE: SJI joist girder as moment frame

In a SDC "D" - No way you can use a joist system as your primary lateral members.

RE: SJI joist girder as moment frame

(OP)
That is what I figured.  The SJI manual only talks about wind moments.  I have also asked SJI about this and apparently they have a new release of their Technical Digest #11 that is due out this week, which deals with lateral moments.  They have told me that it is greatly expanded and includes seismic moments.  I will repost once I see what they have.

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