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Joined: Mon, Jan 12, 2009
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Hi- I'm trying to find the best way to model a masonry building. I've used Revit for wood, steel, and concrete foundations, but have no experience with masonry, yet. Does anyone know of any tools for creating masonry walls & lintels? We'll be using a structural block system on a project that will require us to create elevations and shop drawings to specify the quantities and locations of each individual block. This seems like the sort of thing that Revit could be good at (draw a wall, and let the software build it out of individual blocks for you - making wall elevations super-easy), but I can't think of any good way to do it. Any suggestions? Much appreciated, Andersen
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Joined: Fri, Sep 22, 2006
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have you designed any block buildings, and are you in the USA? generally important to stay on block modules as much as possible and have the fewest amount of cuts possible. You can quantify the number of blocks by using a factor for the area of walls. Counting halfs and if you are are going to use something tricky like split face etc. getting the quantities of these correct can be pretty complicated. Numerous conditions exist in a building. split one side, split two sides, split one side one end, etc. and halfs. I generally, model my masonry walls with the two faces masonry and the center grout as concrete. good luck. I've never tried to get the software to count the blocks. If you use the concrete block pattern and align patterns at edges and floor lines as needed it will help with block cutting etc.
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Thanks. We're using a lightweight concrete product that will be new to the contractors, which is one reason why we need to be really explicit about the placement of blocks & rebar in our drawings. We'll also be specifiying quantities & sizes for all the materials. I've done a couple of projects with this product so far in AutoCAD, but have been instructed to do this one in Revit. Just hoping to find a way to leverage some of the BIM tools try to make the project less, rather than more, complicated. The more I look at it, the more it seems like I'll be stuck counting up everything by hand. I can calculate volumes and areas with Revit's schedules - but there don't seem to be any tools I can use to figure the sizes of blocks around tricky spots like corners, openings, etc. I'll have to look into how to align the hatch patterns (haven't had to do that in Revit, yet - is it pretty straightforward?).
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Well, as you have discovered while we call what we are doing BIM there is a long way to go before individual components such as CMU, brick, studs, drywall etc. are really part of the model. Walls can have layers which are assigned materials and the materials are assigned model or drafting patterns. You can derive the quantities of things in Revit by knowing the area of a wall for instance and determining the amount of drywall to order. Knowing the amount of drywall you can determine pounds of drywall screws and gallons of premixed joint compound. Knowing the length of a wall you can determine the number of studs and top and bottom track (steel framing). In your case if you are talking standard CMU sizes, then your best bet is area then account for corners and openings. If you are talking larger sizes like 48"x 48" then you could explore using the curtain wall tool to create the blocks as 'panels' then you can do a curtain panel schedule. The BIM software and computers that run it have a long way to go before we get to true BIM. Until then we are stuck with the wanna be version of BIM.
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Tom www.reviteer.com http://twitter.com/Reviteer |
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