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RE: Definition of "Service" Loads

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AISC calls it "Allowable Strength", but ASCE 7-10 still refers to "Allowable 
 Stress", as do some material codes -- masonry, for instance.  But they use 
 the same ASD (pick your meaning for the "S") load combinations.  Just more 
 mud in the water.

-- Joel

the structural alliance
Joel Adair, PE, LEED AP
Principal

-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On 
Behalf Of Paul Ransom Sent: Friday, June 13, 2014 8:55 AM
To: seaint-seaosc(--nospam--at)mail-list.com
Subject: Re: [SEAINT-SEAOSC] Definition of "Service" Loads

That would actually be . factored downward for Allowable "Strength"
combinations. It just looks like Allowable Stress concepts.

> Date: Thu, 12 Jun 2014 16:48:42 -0500
> From: "Joel Adair" <jadair(--nospam--at)tsa-eng.com>
> Subject: RE: Definition of "Service" Loads
> 
> It does start to get a little muddy, though, when you consider wind
> and seismic.  These loads used to be calculated at the "service"
> level, and
then
> factored upward for LRFD combinations.  Now, they're calculated at the
> ultimate level and factored downward for allowable stress combinations.
> 
> -- Joel
> 
> the structural alliance
> Joel Adair, PE, LEED AP
> Principal

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