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Thread: Sloped, Curved Building Pad?

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    Default Sloped, Curved Building Pad?

    Anyone have any ideas? I have a bowl shaped auditorium and I need to get a very accurate toposurface in place. The auditorium floor is slab on grade so common sense tells me to use a pad, but I can't make a pad curve and slope into the bowl shape I need. The grader wants this file so he can input it into the GPS on his scraper; any ideas?

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    Default Re: Sloped, Curved Building Pad?

    This might work.

    Using the split surface tool, cut out the piece of toposurface within your building footprint and delete that piece.

    Then go to the modeling tab, and create an in-place family, selecting topography as the category.

    Place a solid extrusion in the hole created in the topo for your building footprint to the depth plus a few feet of your foundation.

    Then carve up that solid using voids to match your bowl foundation.

    See attached image of a quick example...
    Attached Images Attached Images

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    Default Re: Sloped, Curved Building Pad?

    I would make a mass using Revolve. You can draw the profile of the sloped slab which may have the occasional flat cross aisle in section and then draw the axis of revolution. If you want you can then make a void extrusion to trim the revolved object. Next I use the Roof by Face tool to create a slab out of the face of the mass. The advantage to this step is that you can easily adjust the slab thickness or you could add a layer to the "roof assembly' that could be 6" of compacted gravel base.
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    • File Type: jpg 4.jpg (35.7 KB, 66 views)

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