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Foundation Plugin

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  • M Offline
    medeek
    last edited by 26 Apr 2017, 19:41

    I just realized that there may be a few items I missed in the last update with respect to the polygon stemwall tool and metric templates. I will do some more bug testing tonight to verify that all of the issues are addressed. I usually do all of my own work in standard US imperial units so sometimes in my rush to get a release out I forget to check all of the options and possible permutations using a metric template. I apologize for any inconvenience this may have caused. If you do notice an error please feel free to post here or notify me directly. Please give as much specifics as possible, that always helps.

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

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    • M Offline
      medeek
      last edited by 26 Apr 2017, 20:55

      The trim tool in the Truss Plugin comes in quite handy when dealing with more complex foundation geometry:

      https://3dwarehouse.sketchup.com/warehouse/getpubliccontent?contentId=a2e9a8ec-3df7-44e3-a89e-7011cdd79d3b

      For this foundation I used the stemwall (rectangle and polygon) function and the slab (polygon) function. I had to trim the garage stemwall and also manually create the smaller interior post/beam assemblies. I also adjusted the position of some of anchor bolts once I cut the doors into the garage stemwall.

      View model here:

      Link Preview Image
      3D Warehouse

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

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      (3dwarehouse.sketchup.com)

      Throwing a roof onto this foundation is fairly straightforward:

      https://3dwarehouse.sketchup.com/warehouse/getpubliccontent?contentId=0893714a-0a63-41f4-acc8-6efc2a837efc

      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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      • M Offline
        medeek
        last edited by 3 May 2017, 15:05

        Recently I've received a number of requests for concrete columns to be added to the foundation plugin:

        https://courses.cit.cornell.edu/arch264/calculators/example7.5/01.jpg

        I'm still trying to figure out how to best add a concrete column module, I think it could gain some serious traction. This would cater more to the industrial rather than the residential side.

        I'll use ASDIP Concrete Software as a guide in establishing the various options to include:

        https://media.licdn.com/mpr/mpr/shrinknp_800_800/AAEAAQAAAAAAAAgkAAAAJDM0YTFiNDVkLTc2MjMtNDFkMy1hZjQ2LTAwOGE2NjU1NWRlYQ.png

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

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        • J Offline
          juju
          last edited by 4 May 2017, 09:17

          This is a very interesting development. However, here is something to think about...

          You need to consider if you want to expose yourself (or the persons using the extension) to possible legal action. Soil and load conditions differ from place to place and instance to instance. This would require the input a structural engineer to certify the correct steel choice and configuration. This would then mean that the steel reinforcing in the extension is really reduced to "for illustrative purposes only".

          Which begs the question, just how much effort is thus justified with steel reinforcing options? Do you have a section for regular (non structural engineer) users with a "for illustrative purposes" type of output and a separate section (with all the "bells and whistles") you can only access with the completion / agreement of an indemnity?

          Save the Earth, it's the only planet with chocolate.

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          • F Offline
            facer
            last edited by 4 May 2017, 12:24

            It looks like the "engineer" in medeek has taken over!

            I agree with "juju's" thread of thinking.

            The depth of detail suggested may be useful in medeek's engineering practice but have less value
            for I guess the majority of users and prospective users.

            My suggestion would be these proposed changes are at the edge of "the bell curve".
            It may be more prudent to stay within the "bulk" of users and prospective users requirements.

            Food for thought! 😄

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            • M Offline
              medeek
              last edited by 4 May 2017, 14:12

              A couple of things:

              1.) Based on a conversation in the other forum I will be adding a global setting that allows one to specify the number of segments in the circular arcs that make up the rebar/mesh. This will allow a more lightweight model. The anchor bolts are pre-modeled and then dropped into the model as components. I will need to create some light weight versions of them for this purpose.

              2.) So far this foundation plugin has been mostly geared toward the residential designer/architect. Concrete columns, beams, and more complicated footings and retaining walls are typically more the area of the commercial and industrial market.

              It might make more sense to create a separate plugin that deals specifically with these reinforced concrete elements (Medeek RC). My engineering side wants to also integrate the calcs inside the plugin as well, so yes that element of me comes out sooner or later.

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

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              • pbacotP Offline
                pbacot
                last edited by 4 May 2017, 16:27

                Great work. I'd say we use a lot of conc. piers, columns and retaining walls in residential work, probably more than some, due to the soils and topography. Also because the buildings might be larger and less conventional, but still wood framed.

                MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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                • M Offline
                  medeek
                  last edited by 6 May 2017, 17:57

                  Version 1.1.2 - 05.06.2017

                  • Added "Circle Segments" option within the global settings, rebar and mesh polygon counts can now be controlled.

                  http://design.medeek.com/resources/images/foundation_su42_800.jpg

                  In this example I set the segment number to "5".

                  The global setting circle segment number will default to 24.

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

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                  • M Offline
                    medeek
                    last edited by 7 May 2017, 14:27

                    The foundation of the that goofy donut house:

                    http://design.medeek.com/resources/images/foundation_su41_800.jpg

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

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                    • M Offline
                      medeek
                      last edited by 7 May 2017, 18:51

                      Some common configurations of concrete columns:

                      http://design.medeek.com/resources/images/foundation_su43_800.jpg

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

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                      • M Offline
                        medeek
                        last edited by 8 May 2017, 01:49

                        A slightly darker version with shading pops out a little more:

                        http://design.medeek.com/resources/images/foundation_su44_800.jpg

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

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                        • D Offline
                          db11
                          last edited by 31 May 2017, 17:10

                          In our Passivhaus builds, this is the preferred foundation type for several reasons.

                          I think you would be surprised at the EPS insulation thickness under-slab... up to 14". Of course, this varies considerably with different climate zones. (We are in Quebec with winters where -40° is not unexpected)

                          There are modular slab insulation systems for FPSF. Iso-Slab is a Quebec-based one: http://www.iso-slab.com. Their web-site has technical info on these systems that may be of interest to you.

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                          • M Offline
                            medeek
                            last edited by 31 May 2017, 17:30

                            I've had a request for adding the option of insulation around a slab on grade, in short a frost protected shallow foundation (FPSF).

                            This should not be too hard to add in. There are a number of resources online I will study to come up with the most standard configuration as possible.

                            Are there any particular things anyone would like to see with regards to FPSF insulation.

                            The typical installation per the 2015 IRC:

                            FPSF.jpg

                            The NAHB has an upated publication at this link:

                            403 Forbidden

                            favicon

                            (liteform.com)

                            XPS vs. EPS? Not that this will affect the plugin but I am curious which is preferred by those who commonly install these types of systems.

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

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                            • M Offline
                              medeek
                              last edited by 1 Jun 2017, 04:54

                              An FPSF with 2" foam insulation along the wall and vertically. 2.5" foam insulation at the corners with the following horizontal dimensions:

                              A = 12"
                              B = 24"
                              C = 40"

                              http://design.medeek.com/resources/images/foundation_su45_800.jpg

                              The rectangle foundation is easy, the polygon shaped foundation will be more challenging.

                              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)

                              One thing to note is that if dimensions A or B exceed 24" then some form of protection for the horizontal insulation is required (ie. conc. slab, pavement, PT plywood).

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

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                              • M Offline
                                medeek
                                last edited by 2 Jun 2017, 02:54

                                An irregular shaped FPSF, note the 135 deg. corners. Once this angle becomes greater than 135 degrees I would probably just treat it the same as a straight wall.

                                http://design.medeek.com/resources/images/foundation_su46_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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                                • M Offline
                                  medeek
                                  last edited by 3 Jun 2017, 08:27

                                  Version 1.1.3 - 06.03.2017

                                  • Added "FPSF" option to rectangular slab-on-grade foundations.
                                  • Added "FPSF" option to rectangular stemwall foundations.
                                  • Added an insulation layer in the global settings under the "Layers" tab.

                                  http://design.medeek.com/resources/images/foundation_su47_800.jpg

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

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                                  • M Offline
                                    medeek
                                    last edited by 3 Jun 2017, 18:56

                                    http://design.medeek.com/resources/images/foundation_su48_800.jpg

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

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                                    • M Offline
                                      medeek
                                      last edited by 4 Jun 2017, 04:08

                                      Working on the square/rectangle spread footing tool:

                                      Post Footing

                                      I will start with wood posts as an option with the following sub-options for the wood post:

                                      Post Size: 4x4, 4x6, 6x6, 6x8, 8x8
                                      Post Height (in.)
                                      Post Base: None, ABA, ABU, ABW, CBSQ
                                      Post Cap: None, CCQ, ECCQ
                                      Post Rotation: 0, 90, 180, 270

                                      I also plan on having the option for steel posts with the following sub-options:

                                      Post Size: HSS4x4x1/2, HSS4x4x3/8, HSS 4x4x1/4, HSS3x3x3/8 etc... (round and square tube)
                                      Post Height (in.)
                                      Base Plate Size (in.) - square shape L x L
                                      Base Plate Thickness (in.)
                                      Base Plate Hole Dia. (in.): 1/4, 3/8, 1/2, 5/8 (4 bolts per baseplate)
                                      Vert. Offset (in.) - for non-shrink grout
                                      Post Cap: Not sure what to do with this yet.
                                      Post Rotation: 0, 90, 180, 270

                                      http://design.medeek.com/resources/images/foundation_su49_800.jpg

                                      http://design.medeek.com/resources/images/foundation_su50_800.jpg

                                      I've been contemplating using the Simpson Strong-Tie post caps and bases as provide in the warehouse but I'm worried that the polygon count is too high. I may have to generate my own dumbed down versions.

                                      http://design.medeek.com/resources/images/foundation_su51_800.jpg

                                      My 13 year old daughter asked, "What is this for? What good is it?". I replied, "It is good for all sorts of things, just like a Thneed." Then I proceeded to discuss decks, porches, carports etc...

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

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                                      • M Offline
                                        medeek
                                        last edited by 5 Jun 2017, 06:57

                                        Added "FPSF" option to polygon slab-on-grade foundations:

                                        http://design.medeek.com/resources/images/foundation_su52_800.jpg

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

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                                        • J Offline
                                          juju
                                          last edited by 5 Jun 2017, 07:05

                                          Can you do that with the option of putting it (as a vertical component only) on the inside of the foundation wall? It may be of use in climates that isn't as cold and you have the option of putting it either inside or outside of the foundation plinth wall.

                                          Save the Earth, it's the only planet with chocolate.

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