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Re: STIFFENER HELP

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Hi, I think the C)with diagnal stiffnener from left to right is correct, since the bending moment  tends to close the connection, and the  compress stess intensity will be very high at the inner corner of the joint.

Kent Hou
P.E
Guangdong Provincial Architectural Design Institute
PR China 
----- Original Message ----- 
From: Juan José Treff De la Mora <jjtreff(--nospam--at)hotmail.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Friday, February 02, 2001 4:12 AM
Subject: STIFFENER HELP


> Hi,
> I have seen a lot of "knee" connections of rafters and columns in metal
> buildings with rigid frames and tapered members. Some of them have (see
> drawing for public access at http://www.seaint.org/listfiles/knee.gif):
> 
> a) No stiffener
> b) A vertical one
> c) A diagonal one from left to right
> d) A diagonal one from right to left
> 
> Which one is the correct criteria?
> 
> THX,
> 
> Juan Jose
> 
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> 
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