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Response Reduction factor for steel portal frames

 
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v.goel
SEFI Member
SEFI Member


Joined: 26 Jan 2003
Posts: 10

PostPosted: Wed Oct 06, 2004 5:46 am    Post subject: Response Reduction factor for steel portal frames Reply with quote

°Dear sefians

What shall be the Response Reduction factor (as per IS1893-2000) for
ordinary steel moment resisting frames, not designed as per SP6(6)?

Regards
Virender Goel

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mc.upadhyay1
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Joined: 26 Jan 2003
Posts: 134

PostPosted: Wed Oct 06, 2004 6:52 am    Post subject: Response Reduction factor for steel portal frames Reply with quote

Hi
According to the draft IS 800 response reduction factor for
OMRF is     4.0
but acc. to table 7 of IS 1893: 2002
R is 3 for ordinary RC moment -resisting frames
But when we read note no. 2 which says OMRF are those designed & detailed
as per IS 456
or IS 800 but not meeting ductile detailing requirement as per IS 13920 or
SP 6 (6) respectively.
So i think it appears that it (R=3)  is applicable for RC as well as Steel
frames.

Regards
Mukesh Upadhyay






v.goel@eil.co.in                                                                                                
To:      mc.upadhyay@jil.co.in                                                          
10/06/04 11:18           cc:                                                                                    
AM                       Subject: Response Reduction factor for steel portal frames                      
Please respond                                                                                                  
to general                                                                                                      





Dear sefians

What shall be the Response Reduction factor (as per IS1893-2000) for
ordinary steel moment resisting frames, not designed as per SP6(6)?

Regards
Virender Goel

Posted via Email
Back to top
View user's profile Send private message
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