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Re: Knee Brace Literature

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If comparing apples to apples (say, tree-piece frames with identical columns and beams), the knee braced frame should be more rigid than the moment frame. 
 
45 years - that's a lot.  I wonder, is there anybody on the List with more experience?  
 
Steve Gordin SE
Irvine CA
  
----- Original Message -----
Sent: Wednesday, February 01, 2006 12:47 PM
Subject: RE: Knee Brace Literature

>>my experience (45 yrs.) is that knee braces always reduce deflection significantly.

Compared to what?  No bracing at all?  Of course it will reduce deflection.

 

But compared to properly designed moment resisting connections, the deflection is either similar or slightly higher typically.  Compared to standard concentric bracing (X-bracing), there is no contest.

 

~~ Eli G

 

-----Original Message-----
From: sscholl2(--nospam--at)juno.com [mailto:sscholl2(--nospam--at)juno.com]
Sent: Wednesday, February 01, 2006 12:26 PM
To: seaint(--nospam--at)seaint.org
Subject: Re: Knee Brace Literature

 

my experience (45 yrs.) is that knee braces always reduce deflection significantly.

all knee braces I have used are under beams only.

Stan Scholl, P.E.

Laguna Beach, CA