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    Foundation Plugin

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    • facerF Offline
      facer
      last edited by

      Crawl Space - Access
      Suggest an "access opening" in the stud spacing for any future inspection or maintenance.
      Centre location would be logical, miss one stud and design support for floor joist.

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      • medeekM Offline
        medeek
        last edited by

        For a stud wall your right you need access doors or openings. I will make another function that lets one place the opening after the fact, that way they can be located by the user.

        Nathaniel P. Wilkerson PE
        Medeek Engineering Inc
        design.medeek.com

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        • medeekM Offline
          medeek
          last edited by

          Does anyone have any details showing the access door through a strip footing and bearing stud wall. I have one here but I would be interested in seeing what others use so I can determine the most popular way of framing this up and then implement it.

          Nathaniel P. Wilkerson PE
          Medeek Engineering Inc
          design.medeek.com

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          • M Offline
            MtnArch
            last edited by

            What I've done in the past (and seems to work the best) is simply frame it as a door opening (36" or 48") with a 4x4 (or 4x6) with the top flush with the double top plate.

            Highest Regards,

            Alan T. Hendry, RA
            Architect

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            • medeekM Offline
              medeek
              last edited by

              Something like this?

              http://biotoxinjourney.com/wp-content/uploads/2016/02/Sealed-Crawl-Space.jpg

              Nathaniel P. Wilkerson PE
              Medeek Engineering Inc
              design.medeek.com

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              • facerF Offline
                facer
                last edited by

                Medeek,
                I am curious about the "white" membrane, is there to be a concrete slab poured?
                If so what was the construction sequence?
                If it is a moisture barrier how is it protected?

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                • M Offline
                  MtnArch
                  last edited by

                  Nathaniel -

                  Yep, that's basically it (though I've also see the top plates lapped into the header as well).

                  Highest Regards,

                  Alan T. Hendry, RA
                  Architect

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                  • medeekM Offline
                    medeek
                    last edited by

                    Version 1.0.3 - 08.28.2016

                    • Enabled interior bearing wall(s) with strip footing.

                    http://design.medeek.com/resources/images/foundation_su10_800.jpg

                    View model here:

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                    3D Warehouse

                    3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

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                    I still need to enable the ability to add framed openings into the interior stud walls. Interior stud/bearing walls can be created with single or double top plates and can be full span or partial spanning as shown in the image above.

                    Also note that the studs are aligned from the right side of the stemwall foundation edge so that they line up directly under the floor joists.

                    Nathaniel P. Wilkerson PE
                    Medeek Engineering Inc
                    design.medeek.com

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                    • medeekM Offline
                      medeek
                      last edited by

                      My new job has kept me away for the last few weeks so that getting anything done on the plugins has been a real challenge. Even so I've been giving some thought to stepped footings/foundations and would like some input from the designers and architects out there on what is common practice and what they would like to see available for this sort of feature within the plugin.

                      http://design.medeek.com/resources/images/foundation_su11_800.jpg

                      View mode here:

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                      3D Warehouse

                      3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

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                      Note that I messed up on this model the exterior cripple/pony walls should have only had one top plate so that the combined top plate from the shallow sections and the single top plate would have created the typical double top plate.

                      Nathaniel P. Wilkerson PE
                      Medeek Engineering Inc
                      design.medeek.com

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                      • medeekM Offline
                        medeek
                        last edited by

                        One question I've had is how much should the stemwall overshoot the step in the footing before stepping down itself? I've seen different ratios used (ie. rise/run) but I'm trying to find a consensus on what is common practice.

                        Nathaniel P. Wilkerson PE
                        Medeek Engineering Inc
                        design.medeek.com

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                        • medeekM Offline
                          medeek
                          last edited by

                          A typical step in the footing might look something like this:

                          http://design.medeek.com/images/misc2/STEPPED_FOOTING1.jpg

                          Nathaniel P. Wilkerson PE
                          Medeek Engineering Inc
                          design.medeek.com

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                          • medeekM Offline
                            medeek
                            last edited by

                            I've repackaged the .rbz file this evening so that when it installs into SU 2017 the extension will have the appropriate hash file and appear as "signed". The foundation plugin may have the same issue with hashed file as the truss plugin, however it does not in any way affect the functionality of the plugin.

                            Nathaniel P. Wilkerson PE
                            Medeek Engineering Inc
                            design.medeek.com

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                            • medeekM Offline
                              medeek
                              last edited by

                              Version 1.0.4 - 11.27.2016

                              • Enabled rebar and mesh reinforcement for slab on grade foundations.

                              http://design.medeek.com/resources/images/foundation_su13_800.jpg

                              http://design.medeek.com/resources/images/foundation_su12_800.jpg

                              Footing reinforcement is #3 - #8 bar.

                              Slab reinforcement is welded wire mesh or #3 - #5 bar.

                              European metric sizes are available in the metric mode.

                              View model here:

                              Link Preview Image
                              3D Warehouse

                              3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                              favicon

                              (3dwarehouse.sketchup.com)

                              Nathaniel P. Wilkerson PE
                              Medeek Engineering Inc
                              design.medeek.com

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                              • medeekM Offline
                                medeek
                                last edited by

                                There are quite a few options to play with, rebar size and quantity. Notice in this example I've used #3 bar for the slab reinforcement rather than the mesh and I've doubled up bars on top and bottom of the footing (#5 bars):

                                REBAR_EXAMPLE.jpg

                                On a related note does anyone have a good texture for rebar that they would be willing to share.

                                Nathaniel P. Wilkerson PE
                                Medeek Engineering Inc
                                design.medeek.com

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                                • pbacotP Offline
                                  pbacot
                                  last edited by

                                  You asked about the piers. A common design is 16"-24" square piers with top at grade. with a smaller block eg. 8x8 to raise the post above grade. the girders are often 4x6 so the spacing is about 6'-7' o.c. Larger spans mean larger beams & pads. And of course soils, as you mention may mean larger pads. I notice on your grade beam design the posts are sitting on top of the grade beam with no blocks or pedestals. The way you've drawn it, this would also be the subgrade height and posts are generally raised above the subgrade, even if they are pressure treated.

                                  I wonder how many contractors actually do monolithic garage slabs as opposed to T-footings and "floating" slabs? They're both used in California.

                                  MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                  • pbacotP Offline
                                    pbacot
                                    last edited by

                                    @medeek said:

                                    One question I've had is how much should the stemwall overshoot the step in the footing before stepping down itself? I've seen different ratios used (ie. rise/run) but I'm trying to find a consensus on what is common practice.

                                    Good question but I'd pose it the other way around. The top of the stemwall is based on grade and building design, then the footing step would be placed accordingly.

                                    MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                    • medeekM Offline
                                      medeek
                                      last edited by

                                      With regards to Posts and their footings I usually see this sort of configuraton:

                                      Post, pedestal and square footing

                                      POST_EXAMPLE.jpg

                                      I will make the post, pedestal, reinforcement and post base bracket optional. The actual footing will not be optional.

                                      I would like to use pre-drawn post base components (ie. Simpson Strong-Tie) but I have to figure out how to import those into the model with the API

                                      Nathaniel P. Wilkerson PE
                                      Medeek Engineering Inc
                                      design.medeek.com

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                                      • pbacotP Offline
                                        pbacot
                                        last edited by

                                        That looks good, but for a round pedestal they usually leave the Sonotube on. 😉

                                        MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                                        • G Offline
                                          Garry K
                                          last edited by

                                          You should be consistent with your post.skp files
                                          Probably have the center at the bottom of the post sitting on the ORIGIN

                                          
                                          def get_post_def(post_name)
                                            model = Sketchup.active_model()
                                            definitions = model.definitions
                                          
                                            definitions.each{ |my_def| return my_def if (my_def.name == post_name && my_def.valid?)}
                                          
                                            filename = File.join(path_to_your_plugin, "posts", "#{post_name}.skp")
                                          
                                            definitions.load(filename)
                                          end
                                          
                                          

                                          Then you need to place the post

                                          
                                          # get the post definition
                                          post_def = get_post_def(post_name)
                                          
                                          # where pt is where you want to place it
                                          tr = Geom;;Transformation.new(pt)
                                          
                                          instance = group.entities.add_instance(post_def, tr)
                                          
                                          
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                                          • medeekM Offline
                                            medeek
                                            last edited by

                                            Version 1.0.5 - 12.01.2016

                                            • Enabled reinforcement for stemwall foundations.

                                            http://design.medeek.com/resources/images/foundation_su14_800.jpg

                                            View model here:

                                            Link Preview Image
                                            3D Warehouse

                                            3D Warehouse is a website of searchable, pre-made 3D models that works seamlessly with SketchUp.

                                            favicon

                                            (3dwarehouse.sketchup.com)

                                            Nathaniel P. Wilkerson PE
                                            Medeek Engineering Inc
                                            design.medeek.com

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