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    Outer supports for array of steps

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    • pbacotP Offline
      pbacot
      last edited by

      Hard to say what you have to start. On the simplest level, here is an idea, which might apply to different scenarios. Do not explode the components.


      Screen shot 2012-12-14 at 6.45.47 PM.png

      MacOSX MojaveSketchUp Pro v19 Twilight v2 Thea v3 PowerCADD

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      • C Offline
        cattz
        last edited by

        Thank you. I realised about editing componants after I posted.

        http://www.longshots.co.uk/pics/treads.jpg

        Reality is only how the mind perceives it to be.

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        • TIGT Offline
          TIG Moderator
          last edited by

          That's a looooong staircase. ๐Ÿ˜ฒ

          For a stair's 'structure' it's normal to have 'stringers' - i.e. steel-beams running along the stair's sides to support the ends of the treads; or perhaps a beam, or beams, located below the flight to support it.
          These beams in turn are supported off adjacent cross-beams, walls or have columns/post to support them down to the ground/foundations.

          Incidentally, there are building-codes and safety-regulations that apply to all stairs - depending on their 'usage' - there should be horizontal 'landings' every so often - probably 12 to 16 steps. Also a long staircase should change direction after about 36 steps by at least 30 degrees in plan...
          A step's rise and its tread-going are also predicated...

          TIG

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          • C Offline
            cattz
            last edited by

            @tig said:

            That's a looooong staircase. ๐Ÿ˜ฒ

            Yes it's for the outside of an aircraft hanger.
            I'm only just trying different things out in GSU - not trying to comply with building regs. ๐Ÿ˜† but appreciate your input. Thank you.

            Reality is only how the mind perceives it to be.

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            • TIGT Offline
              TIG Moderator
              last edited by

              Even on large structures like Hangars and Gas-holders the stairs must be safe to use...
              Having hundreds of steps is a single line, without any landings would never get built, because someone will trip and fall and die... it'd also be extremely tiring to use, let alone frightening ๐Ÿ˜ฎ

              TIG

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              • massimoM Offline
                massimo Moderator
                last edited by

                Here in Italy is max 14 steps before a landing.

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                • TIGT Offline
                  TIG Moderator
                  last edited by

                  In the UK it's 12 in 'public building' and 16 inside houses and all other areas that are only accessed by able-bodied people - e.g. plant-rooms, hangar-roofs etc.

                  TIG

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                  • Dave RD Offline
                    Dave R
                    last edited by

                    No matter how many steps are allowed, it isn't GSU anymore and hasn't been since the summer. ๐Ÿ˜‰

                    Etaoin Shrdlu

                    %

                    (THERE'S NO PLACE LIKE)

                    G28 X0.0 Y0.0 Z0.0

                    M30

                    %

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                    • C Offline
                      cattz
                      last edited by

                      @dave r said:

                      No matter how many steps are allowed, it isn't GSU anymore and hasn't been since the summer. ๐Ÿ˜‰

                      What is it now then?

                      Trimble sketchup - is that right?

                      Reality is only how the mind perceives it to be.

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                      • Dave RD Offline
                        Dave R
                        last edited by

                        Yes.
                        tsu.png

                        But you can just call it SketchUp. ๐Ÿ˜‰

                        Etaoin Shrdlu

                        %

                        (THERE'S NO PLACE LIKE)

                        G28 X0.0 Y0.0 Z0.0

                        M30

                        %

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                        • GaieusG Offline
                          Gaieus
                          last edited by

                          @tig said:

                          ...there should be horizontal 'landings' every so often... Also a long staircase should change direction after about 36 steps by at least 30 degrees in plan...

                          Something like this?


                          proper-staircase.jpg

                          Gai...

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                          • Bob JamesB Offline
                            Bob James
                            last edited by

                            ๐Ÿคฃ

                            i7-4930K 3.4Ghz, 2x GTX780 6GB, 32GB DDR3-1600 ECC, OCZ Vertex 4 500GB, WD Black 3TB, 32TB NAS, 4x 27" Monitors, SpaceMouse Pro, X-keys XK-60

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                            • GaieusG Offline
                              Gaieus
                              last edited by

                              What??? ๐Ÿ˜•

                              Joking aside... Some architects would deserve living in the buildings they design. We have a certain one with quite a bit of fame here (all national awards they can get, professor of architecture at the university and such) and I know of a two storey house he designed where he forgot to add a staircase inside the house. Now imagine going upstairs every evening on the outside staircase in winter. ๐Ÿ˜’

                              (Worst thing is that the design and plan got the building permit)

                              Gai...

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