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RE: Adjustment Factors Cd for timber column

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Did not realize I posted this.
 
My question is regarding EnerCalc: "For wood beam design we are unable to locate the input location for CD, load duration factor
 
Paul

>>> "Michel Blangy" <mblangy(--nospam--at)satco-inc.com> 02/05/2009 9:47 AM >>>
Seem that a weighted average would be most appropriate.

-----Original Message-----
From: IRV FRUCHTMAN [mailto:ifaeng(--nospam--at)yahoo.com]
Sent: Thursday, February 05, 2009 9:36 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: Adjustment Factors Cd for timber column


There is a very good discussion of Cd factors in Breyer's Book: Design of
Wood Structures, 6th Ed.
Irv


--- On Thu, 2/5/09, ken ng <zy7up(--nospam--at)yahoo.com> wrote:

> From: ken ng <zy7up(--nospam--at)yahoo.com>
> Subject: Adjustment Factors Cd for timber column
> To: seaint(--nospam--at)seaint.org
> Date: Thursday, February 5, 2009, 12:07 PM
> I'm looking at 2005 Examples Structural Wood Design
> Problem  #2.  Column has D+S, and the example used Cd =
> 1.15 which is Snow load and neglected Cd=0.9 for Dead load.
> Does anyone know why Cd=0.9 was not apply?




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