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Julia was browsing tiny house videos on YouTube today and ran across this unusual shelter system. It’s been developed for military and disaster relief missions as a quickly deployed hardened shelter. The dome is made out of a concrete impregnated fabric. To setup one of these structures you simple unroll it, inflate with a fan, and literally spray it with water. The structure will cure quickly and is usable in 12 to 24 hours depending on the size.
When I first heard of these remarkable structures, I was a little hesitant, to say the least, who including me, wanted to live in a "cement igloo"? It was similar to a geodesic dome, but without the flat spots. How things have changed since that first 20' diameter dome home 8 years ago.
By Robert F. Stovell November/December 1978 It certainly ain't a mansion, but this cute little concrete dome — built by Jill Abrahamson and Charles Buell In upstate New York — has already provided the young couple with snug quarters through a frigid winter. The structure rests on a 3'-deep 14"-wide foundation trench that was filled up to ground level with fieldstone and concrete.
Peter Roberts has been building a unique dome structure in the woods and is sharing it with us. I discovered Peter when he posted a picture on the Tiny House Blog’s Facebook page .
The concrete dome is similar in shape and structure to an egg which has always been a fascination. The egg shows us that a relatively soft and weak material can be used to create a very strong structural shape. A simple demonstration illustrating the strength of an egg was made using a 2′ × 10′ wood plank, supported on one end by a rigid support and on the other end by one hard boiled egg. Four bags of Portland Cement were placed on the plank, at center span, one at a time, for a total of 376 pounds or 188 pounds on one egg.