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Bending moments diagram at T intersection

  1. Aug 16, 2011 #1
    1. The problem statement, all variables and given/known data

    Draw the axial force, shear force and bending moment diagrams. Show the locations and magnitude of the maximum and minimum values.

    2. Relevant equations

    See diagram.

    3. The attempt at a solution

    I've worked out the values from points A-B and then from points B-D. I don't grasp how I am suppose to approach the T intersection at point D. Should I evaluate it from D-E and treat the post from D-F as a pin joint, with values of 36.13kN and 15.13kN?

    Then do the joint D-F after? If the D-E sections wasn't there I would just continue working around from D-F next, but because it is I'm not sure of how to work it out?

    Any help would be heaps appreciated. Thanks a lot!

    Cheers
     

    Attached Files:

  2. jcsd
  3. Aug 16, 2011 #2

    PhanthomJay

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    Section DE is just a cantilever. If you cut a section thru DE in a FBD that includes the 10 kN force, the shear and moment at that section are easily calculated (no axial force). In DF, your FBD is similar to that of AB ( but with different values).
     
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