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    Column Area is Wrong

    HI all,

    I noticed something today when looking through my Navisworks file, the areas for the columns seems to be wrong.

    The image below show a 500mm x 500mm x 5000mm column, so by my calculation the surface area should be 10.50m2
    Single side (.5m x 5m = 2.5m2)
    4 sides (2.5m2 x 4 = 10m2)
    Top (.5 x .5 = 0.25m2)
    Base (.5 x .5 = 0.25m2)

    10 + .25 + .25 = 10.5m2

    Navisworks is telling me that the Area is half of that ie 5.25m2

    Have I missed something here? Why would this be?
    Attached Files
    Andrew Harp
    BIM Manager GHD
    If you are not willing to learn, no one can help you.
    If you are determined to learn, no one can stop you.

    #2
    SA=2 x (l x w + l x h + w x h)

    SA=2 x (500 x 500 + 500 x 5000 + 500 x 5000)
    SA=2 x 2625000
    SA=5250000 square millimeters

    1 mm2 = .000001 m2

    So 5.25 m2 is correct

    Square area is L X W....you multiplied 2L x 2W when figuring your sides.

    EDIT....:banghead: Reworking own results above and I get 10.5... grrr
    Last edited by MPwuzhere; July 18, 2017, 08:24 PM.
    Michael "MP" Patrick (Deceased - R.I.P)

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      #3
      I make it 10.5m2 like Andrew.

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        #4
        Well....I get 10.5 too. All I can think is Navis is showing the area that is exposed vs the total area.
        Michael "MP" Patrick (Deceased - R.I.P)

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          #5
          No, as in my my paper-maths makes it 10.5m2 - I don't follow your first post's math logic.

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