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Forums >> Revit Structure >> Technical Support >> Joist Curvey Web
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Joined: Sun, Nov 15, 2020
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I am at a loss ... I need to make a proprietary joist that has a rolled / curved / radiused web member and cannot get a sweep to make a shape similar to the picture. Anything I try breaks.
Does anyone have any suggestions on making something like this? I am fairly versed in revit families…the constraints just wont stay. I have tried sweeps, extrusions, reference lines, … anything please.
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Joined: Wed, Aug 19, 2015
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The sweep would need to be set up as arrayed smaller elements as shown in the attached picture. Then in that nested family you would need to set up several referene planes and parameters which are driven by the radius and overall segment length. Need to look into formulas for length of chords to make the curves align properly.
Needless to say this would be a fairly in depth complicated family with several parameters to control its sizing.
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I quickly made a parametric family (Revit 2017) for just the start/end sections and the mid section that will need to be arrayed.
both these families will need to be loaded into a host family and positioned as required and have the parameters linked.
Then you will need to create some formulas for the array to get the proper section length and counts of the mid section.
Edited on: Mon, Feb 22, 2021 at 12:28:53 PM
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well... that is a crap-ton more elegant than all the junk I hasve been trying! Thanks you so much!
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Yeah I was originally thinking it would be more complicated to make sure the straight lines meet the curves in the sweep path correctly but I forgot about being able use the tangent lock. makes things so easy.
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161338_Web_Array_Section.rfa