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Forums >> Revit Building >> Tips & Tricks >> Curving a Truss to align with a mass

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Sat, Feb 28, 2009 at 1:57:49 PM | Curving a Truss to align with a mass

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Ebramwell


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I've created my studio project using a blended sweep, so I have an irregular shaped building envelope. I would like to support that envelope with a truss system a-la free university of berlin (the picture of this is below). The trusses would wrap around this almost spherical building (but an irregular shape). Do you have any suggestions on how I could make those?

Perhaps wrap a railing?



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Sun, Mar 1, 2009 at 8:22:48 AM | Curving a Truss to align with a mass

#2

Typhoon


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Double thread...

 


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Wed, Oct 27, 2010 at 4:15:40 AM | Curving a Truss to align with a mass

#3

rnwrevit


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I have the same problem here. What is the solution to this? How can I make the truss having the same shape as the dome? I have attached a picture showing what I wanna do with the truss.

Can anyone help me =)

Thanks.

I tried using the in-place model for the truss which extends down to the floor to support the dome. I have no luck getting it done... 



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Wed, Oct 27, 2010 at 7:08:08 AM | Curving a Truss to align with a mass

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WWHub


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You would have to build a truss family to that shape.  For something as special as this, you can't expect to do it with "stock" items.

Build 1/2 truss in a family with extruded or swepth forms.  I would not try to make it parametric. 


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Wed, Oct 27, 2010 at 9:42:25 PM | Curving a Truss to align with a mass

#5

rnwrevit


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If the shape of the roof is more of an elipse instead of dome (maybe like a shape of a boat), then each truss surrounding its perimeters would have different shape of truss right? How do I determine the shape of it? Do I create a specific paramenters or do I have to create the different  shapes of truss to fit the boat shape?

Thanks =)


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Thu, Oct 28, 2010 at 6:33:57 AM | Curving a Truss to align with a mass

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WWHub


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If each truss is unique, I would build them all in place.  Set a ref-plane (work plane) and cut a section at each location.  Then build your truss from the geometry that shows.

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Fri, Oct 29, 2010 at 9:48:28 AM | Curving a Truss to align with a mass

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chasetifer


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I've got an even more complex truss issue - I'm trying to create a triangular cross section space-frame/truss that curves in 2 directions... similar to the beams seen in the Dos Hermanas Velodrome roof. [ http://en.structurae.de/structures/data/index.cfm?id=s0010217 ]  Is there an easy way to do this?  I don't  have time to create a unique family for each truss.  I with there was a way to create a space frame from just a swept mass.  thoughts?

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Fri, Oct 29, 2010 at 12:07:35 PM | Curving a Truss to align with a mass

#8

alabaster2513


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do you ever use the conceptual massing tools? they would work great for this

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Fri, Oct 29, 2010 at 1:17:55 PM | Curving a Truss to align with a mass

#9

Typhoon


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Alabaster is right, check this blog: http://buildz.blogspot.com/

 


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Fri, Oct 29, 2010 at 7:12:08 PM | Curving a Truss to align with a mass

#10

chasetifer


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Thanks.  Yeah, I found a video tutorial on how to use reference points in the conceptual mass to create my truss elements as a series of sweeps along a zigzag. 

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