Re: Rho and Omega

maybe that doesn't clear up what you asked, but QE is QE, and it is amplified by rho for overall design and omega for discontinuities, collectors, etc...  it need not be rho * omega * QE...

'Bout as clear as mud, huh?

On Mon, Jan 12, 2009 at 4:32 PM, David Topete <d.topete73@gmail.com> wrote:

I believe the intent is that when the overstrength factor is used in any of the applicable load combinations, you need not use Rho (+ = 1.3).  

On Mon, Jan 12, 2009 at 4:05 PM, <Tom.Hunt@fluor.com> wrote:

ASCE 7 Section 12.3.4.1 Items 5 and 6 state that the redundancy factor, rho, may be taken as 1.0 when the overstrength factor omega has been used (a slight paraphrase).  In looking closely at all the load combinations, including the ones for overstrength (i.e. collector elements, connections, etc.), I do not see any combinations where rho and omega are used together so what is the point of Items 5 and 6??

Thomas Hunt, S.E.
Fluor

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David Topete, SE

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David Topete, SE