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Thread: Rebar Chairs (Standees)

  1. #1
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    Rebar Chairs (Standees)

    Has anyone had any luck modeling standees? I have attempted to sketch the bar, but have been unsuccessful. Using the Multi-Planar option I come close to modeling standee type 26 in attached image. I can get the correct bar length in my reinforcing schedule however it isn't modeled correctly (see image). It seems like I almost need another plane to have bottom leg of the standee bend the opposite direction of the other.

    Thanks in advance for your help,

    Kyle
    Attached Thumbnails Attached Thumbnails Rebar Chairs (Standees)-standee-type-26.jpg   Rebar Chairs (Standees)-standees.jpg  

  2. #2
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    It's really easy to do without the radii at each corner. Just draw an extrusion in the shape of the dashed box in your pic. Then, use the set work plane command (create tab, work plane panel, set). Choose "pick plane" and select the top of the box, then draw a model line for the top leg from midpoint to midpoint. Set another work plane on the right side and draw a model line for the bottom leg, and one from the top line to the bottom line (at an angle). Repeat for the left side.

    Then, do a sweep and choose pick path. Select the lines, sketch a profile, and you're done.

    Putting in the radii is going to be a bit harder, and I'm not quite sure how to do that. I don't see where you would need it though.
    Attached Thumbnails Attached Thumbnails Rebar Chairs (Standees)-box.png   Rebar Chairs (Standees)-no-box.png  
    PijPiwo and Ning Zhou like this.

  3. #3
    Senior Member PijPiwo's Avatar
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    Dan, it doesn’t really matter if square or radius corners. As per your advice, setting up the work planes, drawing model lines with fillet arc and creating a sweep will do the job.
    Attached Thumbnails Attached Thumbnails Rebar Chairs (Standees)-standees.jpg  

  4. #4
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    I can see where you would get the radii for that shape since the adjacent legs are on the same plane. I couldn't get it to work on the one I did because the angled legs aren't on plane with anything. I tried, but gave up.

    But, like you said, it shouldn't matter unless he really wants it to be perfect.

  5. #5
    Senior Member PijPiwo's Avatar
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    Yep, ...it requires some extra work with angled ref planes.
    Attached Thumbnails Attached Thumbnails Rebar Chairs (Standees)-standees2.jpg  

  6. #6
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    Hi kfitz, Hi All,
    With the next release of “SOFiSTiK Reinforcement Detailing” (spring 2015) you’ll be able to create this rebar shape as real rebar object. Of course, that’s what we need at the end of the day and everything else is a workaround.

    For the meantime we’ve already created a workaround and you can just start using it. The family you try to create is part of the supplied content of “SOFiSTiK Reinforcement Detailing 2015”. On the right hand side in the screen capture below, you see the rebar shape chair (aka standee). This family fits automatically to its host and in the properties palette of the family you can:
    - Set an additional cover offset for the top and bottom face of the floor.
    - Change the bar diameter
    - Change the bend diameter
    - Change the partial lengths of the chair (standee)

    Rebar Chairs (Standees)-chair.png

    You may share your experience in this thread… looking forward hearing from you

    With the following link you can download the 30days trial version of SOFiSTiK Reinforcement Detailing 2015”.
    Roland Suhr
    SOFiSTiK AG
    Last edited by Alex Cunningham; December 10th, 2014 at 02:13 PM. Reason: Removed commercial link, please review our forum rules for links.

  7.    #7
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    Hi, do you have the rfa file for this rebar chair? I would really appreciate it if you could share it with me.

    Thanks

  8.    #8
    Junior Member Nurlan's Avatar
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    There is a "hacked" rebar family if interested. Pros - it is in Rebar category, Cons - it doesn't behave like a native rebar.
    Attached Files Attached Files

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