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Product Second Moment of Area Ixy - Help!

  1. Apr 25, 2007 #1
    hi, ive been tryign to work out the stress at a point for a T X-section area of a beam. However, the T-shape IS NOT symmetrical.
    The general formula is Ixy = Ixy g + AXY (X = X bar and Y = Y bar)
    I have X bar and Y bar and Area of course too.
    i Dont know how to calculate the first term of this equation which is the Ixy g bit.
    Could someone please help. this is driving me nuts.:grumpy: :grumpy: :cry:
     
  2. jcsd
  3. Apr 25, 2007 #2

    radou

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    What does "g" represent? I assume Ixy g meant the centrifugal moment of area through the centroid axis? I don't know why it wouldn't work. Apply Steiner's rule (the one you wrote down) a few times, and you should be able to calculate it.
     
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