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Thread: dodecagon

  1. Aug 11th, 2005, 11:29 AM #1
    mykaltx
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    Question dodecagon

    Does anyone know the formula for calculating the weight of a dodecagon in steel? Such as a steel pole?
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  2. Aug 12th, 2005, 07:20 AM #2
    Rassis
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    Re: dodecagon

    Total weight (Kg) = Base area (cm2) x Height (cm) x Specific weight (between 7,8.10^-3 and 8,7.10^-3 Kg/cm3 depending on the alloy)
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  3. Aug 12th, 2005, 08:49 AM #3
    Rassis
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    Re: dodecagon

    In case the cross section is not constant and its width varies linearly along the height, replace "base area" in my previous post by "middle cross section area".
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