Jul 16, 2008 #1 McQSE Structural Feb 4, 2008 60 What are some rules of economy you use for steel joist roofs? Maximize spacing? Use heavier joist to eliminate special bridging requirements?
What are some rules of economy you use for steel joist roofs? Maximize spacing? Use heavier joist to eliminate special bridging requirements?
Jul 16, 2008 #2 SlideRuleEra Structural Jun 2, 2003 5,527 http://www.steeljoist.org/graphics/...s-MSC/MSC 2005-04 THoltermann Efficiently.pdf http://www.SlideRuleEra.net http://www.VacuumTubeEra.net Upvote 0 Downvote
http://www.steeljoist.org/graphics/...s-MSC/MSC 2005-04 THoltermann Efficiently.pdf http://www.SlideRuleEra.net http://www.VacuumTubeEra.net
Jul 16, 2008 #3 JrStructuralEng Structural Aug 9, 2007 147 I follow the manuf. recommendations for economy. A company like Vicwest has done several tables up for different loadings and most economic joists. Upvote 0 Downvote
I follow the manuf. recommendations for economy. A company like Vicwest has done several tables up for different loadings and most economic joists.
Jul 17, 2008 #4 dik Structural Apr 13, 2001 26,063 Start with the depth (in) equal to approx 0.7 times the span (ft). For eg. a 30' span would have a most economical depth of about 0.7 x 30' = 21" say 22"... Dik Upvote 0 Downvote
Start with the depth (in) equal to approx 0.7 times the span (ft). For eg. a 30' span would have a most economical depth of about 0.7 x 30' = 21" say 22"... Dik
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