On Tue, Jan 3, 2012 at 9:29 PM, kenwinston caine < [email protected]> wrote:
> I'm wanting to toss up a quick experimental building to test its ability > to withstand winter snowload and winter-spring winds. > > This is BASED ON the Hexayurt but is not a hex, rather an octo. And that's > where I need help. > > I will be using 4'x8'x2" foam panels. Walls will be eight feet tall and > eight feet wide. Eight of them connected in an octagon. > > Roof panels will be cut diagonally from 8 foam panels of 4'x12'x2". > (Specially fabricated.) (Or, alternately of 4'x16'x2" panels. See final > question below.) > > My questions: > > 1. What angles will I need to cut at the corners of each wall so they > butt together perfectly? > Mitered joints, 22.5⁰ Butted joints 45⁰ > 2. What angles will I need to cut along the lengths of the roof diagonals > so they fit together properly? > > 3. What angle will I need to cut along the width of the roof panels where > they butt together with the tops of the walls so they fit flush? > Length? Bevel 13⁰. > > Since this is a tension structure, I need to get those angles right. > Can someone who really understands this math tell me what those angles > should be? > > Final question: Will 12-foot-long roof panels give me a greater than > 30-degree angle roof pitch when I have a 64-feet-diameter structure? > Using the Octagon, 8' per side, the 12' panels will give you a 36⁰24' pitch angle. Cutting the edges at this angle will make them lie flat on top of the side panels. > If not, what would the pitch be if I use16-foot-long panels? And, if I do > that, what angles would I need to cut on their outside edges so they all > fit flush together properly and fit flush against the tops of > the walls? > The 16' panels would give 53⁰ pithc. > > Very grateful for the help. > > Hoping to put this up within two weeks if we continue to have 50- > degree days. Need the math calculations ASAP so can pick up the right > quantity of materials and begin cutting. > > Best, > kwc KrazyKyngeKorny (Krazy, not stupid) -- You received this message because you are subscribed to the Google Groups "hexayurt" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hexayurt?hl=en.
