Structural Engineering: RE: Lag Bolts in Sht. Metal Straps

Marlou,

Thanks for that info. re. being able to wrap a 16 ga. strap around the tank
perimeter- that is what I will use.

Larry Hauer

>From: "Marlou Rodriguez" <mbrodrig@mbrodriguez.com>
>Reply-To: <seaint@seaint.org>
>To: <seaint@seaint.org>
>Subject: RE: Lag Bolts in Sht. Metal Straps
>Date: Fri, 7 Sep 2007 09:12:34 -0700
>
>I have used 16 ga straps to wrap around tanks in the past. The key is to
>make sure that the effective section at your connections can resist your
>tensile load. Use wider straps if necessary. Depending on your load I
>would not use anything less than 18 ga.
>
>Marlou Rodriguez, S.E.
>MBRodriguez Engineering Inc.
>2355 Oakland Road, Suite 14
>San Jose, CA 95131
>Tel: (408) 432-4866
>Cel: (408) 761-5013
>
>-----Original Message-----
>From: Larry Hauer [mailto:lrhauer@hotmail.com]
>Sent: Friday, September 07, 2007 7:09 AM
>To: seaint@seaint.org
>Subject: Re: Lag Bolts in Sht. Metal Straps
>
>I'd love to use a thicker strap, but the straps have to be flexible to wrap
>around small diamter tanks. Did you know that those seismic straps around
>hot water heaters are only 26 gage, (0.018" thick)!!
>
>Larry Hauer
>
>
> >From: "Robert Kazanjy" <rkazanjy@gmail.com>
> >Reply-To: <seaint@seaint.org>
> >To: seaint@seaint.org
> >Subject: Re: Lag Bolts in Sht. Metal Straps
> >Date: Thu, 6 Sep 2007 21:38:14 -0700
> >
> >14 gage is ~.075" thick, a much more reasonable thickness
> >
> >cheers
> >Bob
> >
> >On 9/6/07, Josh Comfort <jcomfort@ggbse.com> wrote:
> > >
> > > Table 11K in the 2005 NDS has single shear values for 3/8" diam. lag
> > > screws
> > > w/ 14 ga. side member thickness: G=0.5, Z(par)=200#, Z(perp)=130#.
> >Those
> > > values are for a penetration (p) of 8D into the wood. For 4D< p< 8D,
> >you
> > > multiply the values by p/8D.
> > >
> > > -----Original Message-----
> > > From: Larry Hauer [mailto:lrhauer@hotmail.com]
> > > Sent: Thursday, September 06, 2007 1:32 PM
> > > To: seaint@seaint.org
> > > Subject: Lag Bolts in Sht. Metal Straps
> > >
> > >
> > > I'm working on the anchorage of equipment to existing wood stud walls
> >and
> > > need to know what the minimum thickness of sheet metal strapping is
>for
> > > both
> > > a 3/8" diam. and 1/2" diam. lag bolt acting in shear and what those
> >shear
> > > values are. I understand the values ares in some light gauge metal
> > > handbook
> > > which I do not have. I would like the thickness to be the minimum
> > > possible,
> > > (24 ga.?), and still get an allowable shear value of about 400#.
> > >
> > > Thanks in advance.
> > >
> > > Larry Hauer S.E.
> > >
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Friday, September 7, 2007

RE: Lag Bolts in Sht. Metal Straps