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Forums >> Revit Structure >> Technical Support >> 2.5K Joist

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Thu, Jun 5, 2008 at 12:28:10 PM | 2.5K Joist



Grr8 Avatar

Joined: Mon, Jan 14, 2008
11 Posts
2 Stars: 1 Votes

Ok,  I have finally created the 2.5K jost I want as a family and it imports great when I import it into a project but one little problem. I want the joist to be adjustable and it stays at only one length is there any code or formula I am missing out on or ref. plane?? I created the joist at 10' and thats close to the limits of a 2.5K joist for load and length or be able to shorten it down near 2' but it stays at 10' when I draw it out in the project after inserting. Why is it that I can draw a standard joist out of component manager and it o the length I need but I create this custom 2.5K joist which looks like a beam made of (4) 1 1/4" X 1/8" angles just stay at one length? I need to know how to make my custom joist adjustable to length with the dimension limits between 2' and 10',   please help, thanks    email me back at or reply to the thread here, thanks!



 Matthew Gore 

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Thu, Jun 5, 2008 at 4:11:52 PM | 2.5K Joist




Joined: Mon, Dec 17, 2007
6 Posts
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Hi i can't open the file to look, but this problem could be caused bythe elements not being locked to the reference planes. If it isn't locked to the plane it will draw the memeber at the length it is drawn in the family.I hope this of some help.good luck.Phill

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Thu, Jun 5, 2008 at 6:24:30 PM | 2.5K Joist



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Typhoon Avatar

Joined: Tue, May 22, 2007
5921 Posts
4 Stars: 200 Votes

Hi, I think the problem it's in the first family "L-Angle.rfa", you have 2 profiles (two in one) duplicated and itsn't correctly attached to the left and right ref. lines, i think (and i'm not specialist in structurals) the dimensions on that are very confused, so my opinion is go to "L-ANGLE.RFA" and check all dimensions, ref. lines and so one, and attach correctly that element(s)... then importe to the other family ...





I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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