Elevated single column-borne house of precast concrete elements and posttensioned tendons

Claim 1

A building comprising a concrete foundation, a metallic reinforcing cage embedded in the concrete of said foundation including a plurality of threaded bars projecting above the upper surface of said foundation, a prefabricated hollow concrete column mounted on said foundation and extending vertically upwardly therefrom, said column having a plurality of vertical bores formed therein in aligned relation to said threaded bars, a plurality of tendon rods extending vertically through said bores and adjustably connected at their lower ends to said bars, a plurality of radially extending prefabricated concrete deck supporting beams having their inner ends supported on the upper end of said column spaced a substantial height from the ground and having a plurality of vertical bores through which said tendon rods extend, a second prefabricated hollow concrete column supported on the upper end of said first column and having a plurality of vertical bores through which said tendon rods extend, a second plurality of radially extending prefabricated concrete dEck supporting beams having their inner ends supported on said second column and having a plurality of vertical bores through which said tendon rods extend, means extending longitudinally through each of said beams connected to said first and second columns for securing said beams to said columns, means on the upper end of said tendon rods for tensioning said rods for binding said foundation, said columns and said beams together, a deck structure supported on said first plurality of beams and a deck structure supported in vertically spaced relation on said second plurality of beams.