ok in the grand some day plan i want to move to mexico and make a huge dome PC of course. like a supported second floor sleeping area.
i was thinking about a spray application over hardware cloth near the interior (and possibly exterior somehow) to prevent cracking. this brings support issues to keep it upright long enough to apply PC ... any ideas will be appreciated. i was thinking a actual half round dome i can pivot a form of wood metal or fiberglass set off from the centerpoint with a triangular frame.
or seeing space man's dome i was reminded of the PC fence where 'flat' panels were capped with what appeared to be steel/aluminum framing.. i could very well make traingles of thin ~2 inch edge capped with steel studs. then to assemble by quickly tack welding on the inside of the dome where geometry would place the edges close enough to make it possible.
this brings me to the dis-simmular expantion rates of steel and PC. will this create problems?
then i can fill out the structure of the dome by stapling chicken wire and placing wire condiuts and pex water lines and spraying PC and finish coats on either side. bringing the total thickness to what 18-24 at the base and thinner at the top.
also i am wondering what the 'open' time on papercrete is like if i was to spray 2 inches in a pass to allow the initial drainage to happen. how long will i have when the PC is set or initial drainage has occured and when the chemicial reaction has slowed or stopped. making for the maximum bond
i am also also wondering about any possible density difference between sprayed and block. as in strength and insulation properties
thanks for any input
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