Patent ID: 7900410

Claim:
A building construction of composite load-bearing vertical wall-panels and composite roof-ceiling units, said building comprising wall-panels of a height greater than 9 meters, aligned and rigidly fixed as cantilevers from strip precast foundations having longitudinal sockets arranged along a perimeter of the building, and each wall panel including a cast concrete inner layer and a cast concrete outer layer, and two interspaced layers of mesh reinforcement placed in each of the cast concrete inner layer and in the cast concrete outer layer, on opposite sides of an insulation layer and an air layer, widths of the wall-panels exactly coinciding with widths of a ceiling unit and a floor unit to ensure precise coincidence of connecting details so that the building having all flat inner surfaces avoids a need for either columns or beams, a width of the ceiling unit being greater than 20 meters, tops of the wall panels being attached to stiff horizontal plane formed ceiling plates interconnected along adjacent edges to be laterally restrained against sideway forces by joining ending plates of the ceiling plates to the wall panels, two steel tubes being anchored to and extending across the cast concrete inner layer and the cast concrete outer layer of each of the wall panels, one of the two tubes supporting the ceiling unit and the other of the two tubes supporting the floor unit, the floor unit being formed of two spaced concrete layers interconnected by steel strip webs, steel strip webs spacing the concrete inner layer and the concrete outer layer of each of the wall panels, the steel strip webs interconnecting the concrete inner layer and the concrete outer layer of each of the wall panels and extending continuously along a length of the concrete layers of the wall panels, the steel strip webs of the wall panels being secured to the steel strip webs of the floor unit, and supports located at an upper end of the two concrete layers of the wall panels bearing the ceiling unit, the supports being formed by a top end portion of an inner concrete layer of the two concrete layers being shorter than a top end portion of the outer concrete layer.