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  1. odu0485

    Slope Deflection Method for Beam with Varying Cross Section

    Celt83: Good catch. Once I include the chord rotation parameter in the slope deflection equations to account for deflection at points B & D, how do I solve for that parameter? So far, I have 5 unknowns (rotations at all 5 points) and 5 moment equilibrium equations. But when I add in the 2...
  2. odu0485

    Slope Deflection Method for Beam with Varying Cross Section

    Hi, Attached is an example problem in which I am trying to use the slope deflection method to determine moments in the indeterminate beam shown. The beam consists of a W12x50 (EI) with a W14x53 (1.38 EI) used from point B to point D. The problem I am trying to figure out how to handle by hand...
  3. odu0485

    Indeterminate Beam Formulas

    Got it. So I'd still calculate fixed-end moments on each side of the flange transition whether at a support or not and calculate rotations at each transition as well as at supports, then finally calculate moments at ends of each beam segment?
  4. odu0485

    Indeterminate Beam Formulas

    Great, thanks. For some reason, I always had a hard time remembering moment-distribution method. I always liked slope-deflection method. If you were to use slope-deflection, how would you handle a flange transition in mid-air (not at a support)? I know at supports, you'd break the beam up into...
  5. odu0485

    Indeterminate Beam Formulas

    Are commonly published indeterminate beam formulas for continuous beams only for use with a constant cross-section? I assume so. When you have varying cross-sections as in many steel bridge plate girders with flange transitions, you can't just simply apply these common equations, correct? You'd...
  6. odu0485

    Bridge Engineer vs. Land Development Engineer Career Guidance

    I think I'm starting to realize that I may not want to be a structural engineer for a very long time. Being on the outside looking in during college and while job searching, I really though I would like it but now I'm finding it to be a little different than what I expected. I'm finding I may...
  7. odu0485

    Bridge Engineer vs. Land Development Engineer Career Guidance

    Thanks for all the input guys.
  8. odu0485

    Bridge Engineer vs. Land Development Engineer Career Guidance

    Hi, I have been a bridge engineer for about 6 months now at my firm and for a short time at a previous employer. Now that I am working in a multi-disciplinary environment, I'm finding that my interests are broadening rather than being focused on one thing (bridges) as before. I've been thinking...

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