Rahe,
That's why NFPA-13 has the following section 9.1.1.6.6, so that rods
used to support trapeze members are sized to support the pipe itself,
not the pipe used for the trapeze.
PARSLEY CONSULTING
Ken Wagoner, SET
760.745.6181 voice
760.745.0537 fax
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> e-mail
www.ParsleyConsulting.com <http://www.ParsleyConsulting.com> website
[EMAIL PROTECTED] wrote:
Bill,
I would like to point out that the page shown is for uniform loading. Pipe
hanging from a trapeze is a point load and must be considered and
calculated as such. I would also like to point out that if the pipe being
supported is not in the middle of the span, the hanger rods will not be
supporting equal weight. This might come into play when you are
considering hanging a 6 inch pipe with two 3/8" all thread rod. It is very
easy to overload one of the all thread rods. I find it best to use the
size of hanger rod that the pipe requires.
Thank You
Rahe Loftin, P.E.
Region 7 - GSA
Office - 817-978-7299
Fax - 817-978-8644
Cell - 817-371-3102
"Bill Minkel"
<[EMAIL PROTECTED] To
com> sprinklerforum@firesprinkler.org
Sent by: cc
sprinklerforum-bo
[EMAIL PROTECTED] Subject
er.org RE: Section moduli of Unistrut
07/23/2007 10:14
AM
Please respond to
[EMAIL PROTECTED]
resprinkler.org
Try this:
http://www.unistrut.com/Browse/cat_detail.php?S=S02&P=P1000
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of G. Tim Stone
Sent: Monday, July 23, 2007 8:59 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: Section moduli of Unistrut
Travis,
Check out the following link to Power Strut:
http://www.powerstrut.com/psjan2005/fibergl182.jpg
G. Tim Stone
NICET Level III Engineering Technician
Fire Protection Sprinkler Design
and Consulting Services
117 Old Stage Rd. - Essex Jct., VT. 05452
TEL: (802) 434-2968 Fax: (802) 434-4343
[EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:sprinklerforum-
[EMAIL PROTECTED] On Behalf Of Travis Mack
Sent: Monday, July 23, 2007 8:29 AM
To: sprinklerforum@firesprinkler.org
Subject: Section moduli of Unistrut
Does anyone have a datasheet or link to download one for Unistrut (or
something similar) that gives the section modulus. We need to size
some unistrut for trapeze hangers. I remember a table in the unistrut
catalogues from many years ago, but can't find it any more.
Thanks for your help.
Travis
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