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RE: LRFD, ASD, and USD

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They do up to 24 ksi.  Remember we're talking about the actual loads
causing cracks.

> ----------
> From: 	Kravets, Pavel[SMTP:PKravets(--nospam--at)heery.com]
> Sent: 	Tuesday, July 28, 1998 12:08 PM
> To: 	'seaint(--nospam--at)seaint.org'
> Subject: 	FW: LRFD, ASD, and USD
> 
> 
> 
> "If you put the same amount of Grade 60 reinforcing in as would be
> required
> for Grade 40, then the stress in both (and the strain) would be the
> same for
> the same load.  Therefore, the cracks should be the same width, both
> at the
> reinforcing level and at the surface.  "
> A. Roger Turk, P.E.(Structural)
> Tucson, Arizona
> 
> This statement means that Grade 40 nad 60 have same stress-strain
> curve
> ?????
> 
> Pavel Kravets
> 
>