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Forums >> Revit Building >> Technical Support >> highrise towers slabs-walls joining
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Joined: Thu, May 27, 2004
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hello every one,
i'm working on a 50 stories bldng, and i've real problem of joining walls to slabs, to get sections and wall section from it correctlly. there're 2 problems:
1-there're many many walls and floors.
2-the very detailed model ,37 Mb revit file, is very slow in anything relating to regeneration like joining.
i tried to make groups of the slabs to treat them like one, so i wait it once till it render "sorry" join those objects, but no way.
anyone can help
Post edited on 2004-05-28 14:20:43
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Joined: Fri, Dec 12, 2003
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One approach that Revit support folks recommend with tall bldg projects is to make the floor slab a floor family outside the project. If you examine your floors you may find that there a few different types based on penetrations for chases and circulation elements.
Making a few floor families can reduce the modeling effort to make your floors and reduce the load on Revit at the same time. One family copied many times has a smaller impact than many objects created natively.
Export a floor plan to dwg, link the dwg to your floor family, "cut" out all penetrations in the floor and delete the dwg when done. Import the floor family in your project and copy/paste aligned and pick the levels it applies to. Now any changes to floor design can be made in "one" effort and reloaded.
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Joined: Sun, Jan 19, 2003
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offhand I don't know how well this would work or if it's a good solution or not, but the first thing I thought of when reading your post was linking in different parts of your building as separate revit files. Again, I don't know the pros and cons of this but it's an idea.
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Hiroshi Jacobs
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Joined: Tue, Mar 30, 2004
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Ammar -
I have a two story building - (the bank posted in the gallery) that is in construction documents now - Two story and its file size is 64 megs. Your file size will be huge on the 50 story building in one file. I've not used the worksets yet, but that might be a solution.
I am working on a final rendering of my project and the memory usage went to 820 MEGS of RAM on the machine during processing. If you are working on a large file and it is slow you need to running a dual processor machine with at least one gig if not two of memory.
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thanks everyone for ur help,
i used only 2 floor families (with diferent layers, one for balconies, the other for interior slabs) may i made a mistake that i defined many layers in each, may i had to wait the project till it finishes, then i add more layers into walls and floors families.
i think some of u friends didn;t get my question, that the problem not in the oppenings in the floors, but in joining the walls (multistory ones) with slabs to get correct section.
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Joined: Mon, Jan 12, 2004
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We have done many high-rise building in our office on revit. Some file sizes have been nearly 200MB in size so I don't really see 37MB as a problem. We usually do the floors as external families using a generic model and then load them into revit and place them into an in-place floor family so they can still act as a floor (ie: walls attach top & bottom). Another method is to have walls that align over multiple levels as one wall. This saves effort if they move then all you need to do is join it to the multiple floors. I don't suggest putting the floors in a group as if on one level you decide to move a wall - floors have a tendency to want to move with the wall and then you will receive error messages telling you a group has changed and you cannot move the wall.
Hope this is helpful.
Cheers,
Chris.
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Regards,
Chris.
Co-Founder | BIM Consultant | Software Designer  B. Arch)
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