Abstract: A monocoque concrete structure includes a core structure comprised of foam panels presenting opposite sides and arranged in a desired shape of the monocoque concrete structure. A layer of concrete is applied to each of the opposite sides of the core structure to form a double monocoque concrete structure having a load bearing concrete shell on each of the opposite sides of the core structure.

Abstract: A technique for forming an insulated monocoque concrete shell house, wherein the house structure is built using foamed plastic interlocking and noninterlocking blocks in a manner similar to that in which a log cabin is built using logs. Once the structure is built, openings can be manually cut with ease into the wall of the structure to accommodate windows and doors. The inner and outer surfaces of the foamed plastic block structure, as well as, part of the foundation adjacent to the walls of the structure are sprayed with concrete forming a concrete monocoque shell house.