Can you apply the formula and get an equivalent modulus based on not center loading the members?
R/ Matt Matthew J. Willis Living Water Fire Protection, LLC. 1160 McKenzie Rd. PO Box 877 Cantonment, FL. 32533 850-937-1850 Voice 850-937-1852 Facsimile [EMAIL PROTECTED] ----- >-----Original Message----- ----- >From: [EMAIL PROTECTED] ----- >[mailto:[EMAIL PROTECTED] On ----- >Behalf Of Randy Knutson ----- >Sent: Tuesday, May 20, 2008 11:05 AM ----- >To: [email protected] ----- >Subject: Trapeze lengths beyond 10'-0" ----- > ----- >Forumites, ----- > ----- > ----- > ----- >I searched the archives and didn't find a discussion on ----- >this topic. ----- > ----- >Here's my question? ----- > ----- > ----- > ----- >Can I extrapolate out beyond the 10'-0" length on the ----- >section modulus required for trapeze in table ----- >9.1.1.6.1(a) '07ed.? ----- > ----- > ----- > ----- >A fitter called this morning wanting 14' trapeze hangers ----- >for 4" pipe. He was placing the main in the wrong ----- >location but it brought up an interesting question. I ----- >noticed that the section modulus has a linear increase ----- >with trapeze length. ----- > ----- >For 4" Sch 10 y=.085x, where y=section modulus & ----- >x=Trapeze length. So, for a 14' trapeze for 4" sch 10, ----- >would a 1.19 section modulus work? ----- > ----- >Do I have to have the initials PE after my name to think ----- >these thoughts? ----- > ----- > ----- > ----- >Thanks, ----- > ----- > ----- > ----- >Randy Knutson ----- > ----- >Shilo Automatic Sprinkler, Inc. ----- > ----- >_______________________________________________ ----- >Sprinklerforum mailing list ----- >[email protected] ----- >http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum ----- > ----- >To Unsubscribe, send an email ----- >to:[EMAIL PROTECTED] ----- >(Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum To Unsubscribe, send an email to:[EMAIL PROTECTED] (Put the word unsubscribe in the subject field)
