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Wood Floor Trusses for Dummies?

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    Wood Floor Trusses for Dummies?

    I'm trying to create a wood floor truss (or modify an existing) similar to the attached image and not having much luck.

    floor-trusses.jpg

    I can cobble together a basic truss but the end condition keeps lining up on the center of the end piece rather than flush. I know just about jack and squat about what all the options in the trusses mean other than the dimensions and framing type so I don't know what to adjust or how to adjust it.

    Any guidance (or a family) would be most appreciated.:beer:

    edit: the structural for the project is being done in CAD, so no model to link in. The trusses are, at least for the moment, only needed for sections / details however I'm trying to be as correct and parametric as possible rather than just making a static detail component.
    Last edited by cellophane; February 23, 2012, 05:08 PM.
    Revit for newbies - A starting point for RFO


    chad
    BEER: Better, Efficient, Elegant, Repeatable.

    #2
    Try modeling just one "section" as a family. Nest it into another family, probably line based, and array? Just a thought.

    Actually, on second thought, you would need a way to adjust the array to suit any length. So the nested family would have to "flex", and you'll need some formulas in the parent family. This could get complicated. :hide: Where's Munk, Aaron, or Alf when you need them?
    Dan

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      #3
      Yeah, I tried yesterday to make a generic family and just ended up confused. Too many formulas after talking to plan reviewers all day :banghead:
      Revit for newbies - A starting point for RFO


      chad
      BEER: Better, Efficient, Elegant, Repeatable.

      Comment


        #4
        Chad, did you ever get this worked out? I'm searching for solutions for this as well...
        Leanne Zaras, CDT, LEED AP
        AutoCAD 2010 Certified Professional / Revit Architecture 2012 Certified Professional / Revit Structure 2015 Certified Professional
        ACAD2021, RST2014-2021 / Windows 10, 64-bit

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          #5
          I believe Alex set me up with something - family attached (2013). It's just a detail component though - not a truss. I'll double check to see who fixed the family for me.

          yup. here's the other thread: http://www.revitforum.org/architectu...irections.html
          Attached Files
          Last edited by cellophane; June 1, 2012, 01:24 PM.
          Revit for newbies - A starting point for RFO


          chad
          BEER: Better, Efficient, Elegant, Repeatable.

          Comment


            #6
            What?? Just a detail component?? Dude, this is Revit. Model it!

            I'm so disappointed in you , Chad. :laugh:
            Dan

            Comment


              #7
              Originally posted by dzatto View Post
              What?? Just a detail component?? Dude, this is Revit. Model it!

              I'm so disappointed in you , Chad. :laugh:
              Only so many hours in the day and everyone wants their stuff last week
              Revit for newbies - A starting point for RFO


              chad
              BEER: Better, Efficient, Elegant, Repeatable.

              Comment


                #8
                I don't know much about the RST side of things, however if you only need it for sections and details, why not make every web its own box? Sure you'd have to place each one individually, but it might be faster than running the calculations and would be able to account for slight length variations in web sizing.

                Obviously this wouldn't work if you needed one truss all the way down the line.
                Developer at Anguleris BIMsmith Marketplace.
                Previously at Sumex Design for ARCAT.com

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                  #9
                  In this particular case I was cutting a section through a porte cochere and due to the amount of stuff in it I needed to show the entire width. I have a line based DC that does something similar to what you mention for the areas where I only need to show a partial truss.
                  Revit for newbies - A starting point for RFO


                  chad
                  BEER: Better, Efficient, Elegant, Repeatable.

                  Comment


                    #10
                    Sorry, wasn't clear there. I meant model it in 3D that way instead of using a 2D detail.
                    Developer at Anguleris BIMsmith Marketplace.
                    Previously at Sumex Design for ARCAT.com

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