The invention relates to a system for erecting a building structure, the system comprising a foundation for receiving the building structure, and a plurality of inner and outer walls, roof and floor panels, the panels being adapted to engage each other for defining at least one story of the building structure, wherein the foundation comprises a first section and a second section, the first section being adapted to bear the load of the building structure and the second section being adapted to provide access to the interiors of the building structure.

A tray-like modular building component adapted for filling with concrete after assembly with like components into a building frame, said tray-like modular building component comprising: a substantially rectangular frame with a pair of opposed sides and a pair of opposed ends defining an interior therebetween; a sheet mounted to said building frame and extending over said interior; a pair of beams, each mounted to said building frame along each said pair of sides respectively; and a pair of end plates, each mounted to said building frame along each said pair of ends respectively, wherein said sheet, said pair of beams and said pair of end plates together form an open-topped tray for receiving the concrete therein.

A system is provided for constructing a building structure, and specifically a wall of the structure, using a toolpath generation system and method to compensate for an uneven or unlevel foundation surface on which the wall is additively formed. The system includes a printing assembly and a mechanism for measuring a three dimensional topology of the surface. A processor is provided to receive a measured topology and to generate one or more sublayers and corresponding sub toolpaths. A nozzle mounted on the printing assembly can then extrude a sublayer bead in select recess or valley portions of the surface and below a subsequently extruded bead placed on high portions of the foundation surface. The sublayer beads compensate for the uneven foundation surface to produce a more even or level ensuing foundation surface using the additive printing process itself.

A system is provided for constructing a building structure, and specifically a wall of the structure, using a toolpath generation system and method to compensate for an uneven or unlevel foundation surface on which the wall is additively formed. The system includes a printing assembly and a mechanism for measuring a three dimensional topology of the surface. A processor is provided to receive a measured topology and to generate one or more sublayers and corresponding sub toolpaths. A nozzle mounted on the printing assembly can then extrude a sublayer bead in select recess or valley portions of the surface and below a subsequently extruded bead placed on high portions of the foundation surface. The sublayer beads compensate for the uneven foundation surface to produce a more even or level ensuing foundation surface using the additive printing process itself.

A building structure assembly for use with constructing buildings (e.g., dwellings, offices, and so on) is described. In some embodiments, the building structure assembly includes a fillable container structure formed of a drop stitch fabric or material, and a removable shoring structure configured to position the container structure in a desired configuration when filled by building material, such as cement or concrete. In some cases, the container structure can include reinforcement components, which move into suitable positions when the container structure is filled with the building material.

A building structure assembly for use with constructing buildings (e.g., dwellings, offices, and so on) is described. In some embodiments, the building structure assembly includes a fillable container structure formed of a drop stitch fabric or material, and a removable shoring structure configured to position the container structure in a desired configuration when filled by building material, such as cement or concrete. In some cases, the container structure can include reinforcement components, which move into suitable positions when the container structure is filled with the building material.

A nuclear fuel assembly is constructed with fuel assembly components that are wire wrapped and positioned in hexagonal rings within a fuel assembly duct. The fuel assembly components positioned in an outermost ring of the fuel assembly are wire wrapped with a pitch that is shorter than fuel assembly components positioned at an interior ring of the fuel assembly. The shorter pitch at the outer ring of the fuel assembly increases pressure drop of a coolant fluid at the edge and corner subchannels and thereby reduces the temperature gradient across the fuel assembly, which provides a higher output temperature of the nuclear reactor without substantially increasing peak temperature of the fuel cladding.

A hose management system for a 3D printing system having a print medium pump and a print nozzle may include a base, a vertical tower extending upward from the base, a vertical pipe rotatably coupled to the vertical tower, a boom pipe extending laterally outward from and rotating with the vertical pipe, a stick connected to the boom pipe for relative rotation about at least two perpendicular axes, and a print hose connected between the boom pipe and the print nozzle so that the vertical pipe, the boom pipe and the print hose place the print medium pump in fluid communication with the print nozzle. The print hose may be suspended from the stick such that the vertical pipe, the boom pipe, the stick and the print hose follow movement of the print nozzle by the 3D printing system to print a 3D object.

A hose management system for a 3D printing system having a print medium pump and a print nozzle may include a base, a vertical tower extending upward from the base, a vertical pipe rotatably coupled to the vertical tower, a boom pipe extending laterally outward from and rotating with the vertical pipe, a stick connected to the boom pipe for relative rotation about at least two perpendicular axes, and a print hose connected between the boom pipe and the print nozzle so that the vertical pipe, the boom pipe and the print hose place the print medium pump in fluid communication with the print nozzle. The print hose may be suspended from the stick such that the vertical pipe, the boom pipe, the stick and the print hose follow movement of the print nozzle by the 3D printing system to print a 3D object.

An elongated building element (14) having a pair of longitudinally extending generally parallel co-extensive side walls (15) joined by transverse webs (16). The walls (15) and webs (16) enclose a longitudinally extending space (30) within which there is located a tube (31). The tube (31) is connected to the walls (15) and webs (16) by flanges (33). The tube (31) provides a space (33) with the spaces (30, 33) being intended to be filled with concrete. The building element (14) is intended to be attached to light elements (14) to form a wall.