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# Re: Min. and Max. weld lengths

• To: seaint(--nospam--at)seaint.org
• Subject: Re: Min. and Max. weld lengths
• From: "William Haynes" <gtg740p(--nospam--at)gmail.com>
• Date: Mon, 3 Nov 2008 14:06:24 -0500

```There is also the requirement on p.16.1-96 of AISC 13th that the
minimum length be at least equal to the perpendicular distance between
2 weld lines when used at the end of a flat bar tension connection. I
also apply this provision for angles in tension where only one leg is
connected to a plate.

Will H.

On Mon, Nov 3, 2008 at 1:02 PM, Jason Christensen <jason(--nospam--at)wcaeng.com> wrote:
> Thanks that's the reference I was looking for.
>
>
>
> Jason
>
>
>
>
>
> From: Tom.Hunt(--nospam--at)fluor.com [mailto:Tom.Hunt(--nospam--at)fluor.com]
> Sent: Monday, November 03, 2008 10:55 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: Min. and Max. weld lengths
>
>
>
> Jason,
>
> For minimum and maximum fillet weld lengths see AWS D1.1 Section 2.3.2.3 and
> 2.3.2.5.  The minimum length of a fillet weld shall be at least four times
> the nominal size, or the effective size of the weld shall be considered not
> to exceed 25% of its effective length.  For end-loaded fillet welds with a
> length up to 100 times the leg dimension, it is allowed to take the
> effective length equal to the actual length.  When the length of  end-loaded
> fillet welds exceeds 100 but not more than 300 times the weld size, the
> effective length shall be determined by the reduction coefficient B (Beta):
>
> B (Beta) = 1.2-.02(L/100w) <_ 1.0
>
> B (Beta) = reduction coefficient
> L = actual length of end-loaded weld
> w = weld leg size
>
> When the length exceeds 300 times the leg size, the effective length shall
> be taken as 180 times the leg size.
>
> Thomas Hunt, S.E.
> Fluor
>
>
> "Jason Christensen" <jason(--nospam--at)wcaeng.com>
> 11/03/2008 09:23 AM
>
> To
>
> <seaint(--nospam--at)seaint.org>
>
> cc
>
> Subject
>
> Min. and Max. weld lengths
>
>
>
>
> Can anyone direct me to where or if there are requirements for the minimum
> and maximum length of a weld.  For example, if using a 1/4" fillet weld,
> what would be the min and max values?
>
>
> Jason
>
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