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Forums >> Revit Structure >> Technical Support >> CMU + brick wall- brick is NOT bearing

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Mon, Dec 7, 2009 at 3:03:20 PM | CMU + brick wall- brick is NOT bearing

#1

phoulx


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Joined: Fri, Jul 13, 2007
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Two things about the CMU brick wall assembly that have always annoyed me- maybe someone has a solution. 

In our structural framing plan, we like to show the CMU heavier and the brick lighter since brick is not bearing.  I have not found a way to show our walls this way.  I prefer to use this brick to adjust my brick ledges and would like to keep it a single wall (not one CMU wall and one brick wall) that a concrete wall and footing can be centered under.  Can only the brick be set to a lighter lineweight or halftone or even not visible?

Similarly, any steel members really would bear on the masonry portion of the wall and should 'snap' to that material only.  It seems like Revit sees a 16" wide wall as 16" of bearing area when it's actually half that (8" CMU+4" air+4" brick).  Again, if there were some separation of the wall by structural usage, that would aid in more accurate placement of steel members.  Lintels should be centered in the CMU not the air space, framing from canopies or overhangs should pass through the brick to the block.  Any good techniques for this?


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Mon, Dec 7, 2009 at 3:15:00 PM | CMU + brick wall- brick is NOT bearing

#2

WWHub


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Do you include your brick in the core area of the wall?  If you do, perhaps it should move out to a finish.

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Mon, Dec 7, 2009 at 4:05:22 PM | CMU + brick wall- brick is NOT bearing

#3

phoulx


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Yes, the brick is already a finish, then air space then the block.  Filtering never really fixes it but I think this graphical problem is really tied into the ineffectual way the wall assembly works with non bearing elements shown as bearing.

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Tue, Dec 22, 2009 at 3:16:30 PM | CMU + brick wall- brick is NOT bearing

#4

andersen


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Joined: Mon, Jan 12, 2009
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That's a tough one.  I tried creating a new Material for the non-structural cladding that used light gray for all its lines & cut patterns, but when I cut a section of the wall, Revit still draws a bold line around the entire wall (not just the core).

I'm stumped.  Sounds like a really good suggestion for the Autodesk developers:  Add another parameter to the Object Styles so that we can control the lineweights of the Core and Finish sections of Walls seperately.

Anyone know a good place to make those suggestions?


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