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Thread: Beam deflection

  1. #1
    Associate Engineer
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    Beam deflection

    Hi, I was wondering if you can add beam defections together. Here is the problem, I have a 5 one-foot sections connected together. Can I add their individual deflections together to get an overall deflection for that whole span?

  2. #2
    Administrator Kelly Bramble's Avatar
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    How about a drawing or diagram?

    Also, for your loading configuration see:

    http://www.engineersedge.com/beam_calc_menu.shtml
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  3. #3
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  4. #4
    Administrator Kelly Bramble's Avatar
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    If they are rigidly connected - you calculate it as a single beam..
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  5. #5
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    Thank you. Can I use this in a technical report as long as I cite it?

  6. #6
    Principle Engineer Cragyon's Avatar
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    Quote Originally Posted by cannonslax21 View Post
    Thank you. Can I use this in a technical report as long as I cite it?
    I totally respect Kelly, but you do realize your asking permission to quote an unverified, unknown to you person from an internet forum?

    Here's how you should word your quote..

    A person named Kelly on the Engineers Edge website whom has never seen what I'm working on, does not know the details of how our beam is connected or how it will be used said it was A-OK to quote them in my technical report that is was good to calculate the deflections as follows...."

    You need an independent evaluation from somebody whom knows the details.... Just saying.

  7. #7
    Administrator Kelly Bramble's Avatar
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    I Agree

    Well said...

    Quote Originally Posted by Cragyon View Post
    I totally respect Kelly, but you do realize your asking permission to quote an unverified, unknown to you person from an internet forum?

    Here's how you should word your quote..

    A person named Kelly on the Engineers Edge website whom has never seen what I'm working on, does not know the details of how our beam is connected or how it will be used said it was A-OK to quote them in my technical report that is was good to calculate the deflections as follows...."

    You need an independent evaluation from somebody whom knows the details.... Just saying.
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

  8. #8
    Lead Engineer Cake of Doom's Avatar
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    Also: if you're unsure how rigidly connected beam sections work, are you sure you're the right bod to drafting a technical report? I know that sounds a bit snarky but if you need to fully fix sections like this and then put them under loading, you need to know your gravy.

  9. #9
    Technical Fellow jboggs's Avatar
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    Thank you for my early morning entertainment.

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