Saturday, October 24, 2009

Re: R for knee brace

To address the original R value question, I would recommend the same
for a knee braced frame as a moment resisting frame because they
respond more like a MRF than a braced frame.


- Jeremy

Quoting Jnapd@aol.com:

> If that's the case see if the Simpson bolt up frames will fit, they will be
> cheaper than welding.
>
> Joe Venuti
> Johnson & Nielsen Associates
> Palm Springs, CA
>
>
> In a message dated 10/23/2009 8:23:58 P.M. Pacific Daylight Time,
> leenlee_front@leenlee.net writes:
>
>
>
> Because there are existing ramp and SOG it is impossible to have can
> cantilevered column system. So it should be pinned connection at
> bottom of steel
> columns.
>
>
> In my opinion it will be O.K. to use OMRF at both directions because OMRF
> does not required pre-qualified connections. What do you think about this?
>
>
> Thanks.
>
>
> S&H
>
>
> LA, CA
>
>
>
>
>
>
>
> ____________________________________
> From: "jrgrill@cableone.net" <jrgrill@cableone.net>
> To: seaint@seaint.org
> Sent: Fri, October 23, 2009 7:23:02 PM
> Subject: Re: R for knee brace
>
> And if they were to be timber?
> Joe grill
> Sent from my Verizon Wireless BlackBerry
> ____________________________________
>
> From: Jnapd@aol.com
> Date: Fri, 23 Oct 2009 21:54:42 EDT
> To: <seaint@seaint.org>
> Subject: Re: R for knee brace
>
>
> Dave
>
> I would probably treat it like a Cantilevered Column and use 2.5
>
> Joe Venuti
> Johnson & Nielsen Associates
> Palm Springs, CA
>
>
> In a message dated 10/23/2009 5:11:25 P.M. Pacific Daylight Time,
> d.topete73@gmail.com writes:
>
> the columns are steel.
>
> On Fri, Oct 23, 2009 at 4:44 PM, <_Jnapd@aol.com_ (mailto:Jnapd@aol.com) >
> wrote:
>
>
> Are columns steel or wood ??
>
> Joe Venuti
> Johnson & Nielsen Associates
> Palm Springs, CA
>
>
>
>
>
> In a message dated 10/23/2009 2:40:45 P.M. Pacific Daylight Time,
> _leenlee_front@leenlee.net_ (mailto:leenlee_front@leenlee.net) writes:
>
> Hello, all
>
> I have small canopy project, 40' x 16' x 10' high having 4 steel columns
> at corner. OMRF(Ordinary Moment Resisting Frame) with R = 3.5 used at
> trasverse direction and I will have L shape knee braces at longitudinal
> direction. But I have no idea what R value is suitable for this
> knee bracing.
> Please give me some idea.
> Thanks in advance.
>
> LA, CA
>
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> --
> David Topete, SE
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