Hi,
I'm currently working on tunnel model.
I've model tunnel in Civil 3D and imported it to Revit.
Portal of the tunnel is similar to portal on picture below.
I've tried to get that shape using void extrusion, but I didn't manage.
There was always error "can't unjoin elements".
Does anyone know how to get that shape?
Thank you in advance.
Model in Revit: https://we.tl/t-5LFbQnUA42
Sanja ![]()
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Import dwg into In-Place Mass, close out and apply Roof or Wall by Mass Face. You can cut Walls/Roofs with In-Place Model Voids.
...BTW: this would be very easy to model directly in a Revit Project or Family environment. You don't really need the dwg except as a reference.
What if cross section of the road changes (superelevation) and whole geometry of the tunnel changes regarding to superelevation?
Would you use Revit to model road and tunnel in that case?
@sanjacolic2020.3 wrote:
What if cross section of the road changes (superelevation) and whole geometry of the tunnel changes regarding to superelevation?
Would you use Revit to model road and tunnel in that case?
Sure. Why not?
@sanjacolic2020.3 wrote:
What if cross section of the road changes (superelevation) and whole geometry of the tunnel changes regarding to superelevation?
Would you use Revit to model road and tunnel in that case?
That portal is the extension of the tunnels profile slice is at an angle (35/45) and u get that shape...the Question is: Why would you model the entrance portal in Revit if your intention is not to model the whole thing in Revit? Do the portal in Civil 3D and spare your self the trouble.
The workflow is quite similar to that of bridges ... model tunnels using parametric/adaptive components either for the whole or split components (tunnel/road/side walk...etc). The key to that is a little bit of math to construct the parametric profiles in the adaptive components...it is not that complicated if you have mastered your math and know the essential of how to construct geometric forms using lines/curves/dots and formula...once done you place those components at coordinates from a csv file extracted from civil 3D using dynamo.
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I've already modelled whole tunnel (including portals) in Civil 3D using Subassembly Composer.
So, everything is already modelled in Civil 3D.
The question is: would it be easier to model whole tunnel (with portals) in Revit?
I ask this for future work.
It seems I've lost a lot of time using Subassembly Composer.
Ok, I'm absolute beginner, but still...
Well if you would just use a path and a sweep or a mass and a roof by face, yeah it would be super easier but I'm not sure if there is anyone out there who would buy that from you!!!
Some other software do offer more in terms of tools to model profiles or 3D shapes where in Revit one might find himself going back to the essentials of Geometry, Trigonometry and algebra to construct a 3 Centered Arch...and me personally I find it fun modeling geometric forms from lines, dots and formulas.
So no I wouldn't say it is easier to model it in Revit but I can for sure say that Revit will offer you some advantages over Civil 3D... Besides, if you want to consider the automation and computational aspects of the design, things tend to be more fun and interesting when Revit is paired with dynamo....
!!! Well they are always paired together on such projects.
YOUTUBE | BIM | COMPUTATIONAL DESIGN | PARAMETRIC DESIGN | GENERATIVE DESIGN | VISUAL PROGRAMMING
If you find this reply helpful kindly hit the LIKE BUTTON and if applicable please ACCEPT AS SOLUTION
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