A folding slab and a central column composite joint and an assembly method thereof, wherein the folding slab and a prefabricated column-beam composite joint adopting a steel-wood composite structure guarantees a construction quality, improves a construction efficiency, and optimizes a seismic performance of a structure. The folding slab and the central column composite joint including a steel-wood composite column, square wood columns, connecting assemblies for connecting the steel-wood composite column and the square wood beams, and folding wood slabs connected with and supported by the steel-wood composite column, the square wood columns and the connecting assemblies.

An apparatus interconnects a metal stud fastened with a metal fastener and a wood stud fastened with a wood fastener. The metal stud includes a face wall and two side walls each extending away from the face wall to define a channel in between. Also included are two stud connector supports opposed to one another and a connector cross-support fixed to two stud connector supports transversely spaced apart to define a first stud receiver opposite a second stud receiver. The first stud receiver includes two side tabs each defined by a different one of the two stud connector supports, a medial tab defined by the connector cross-support, and two slots each defined between the medial tab and a different one of the two side tabs. A first one of the two side tabs defines a first tab aperture to receive the metal fastener to fasten the metal stud to the first stud receiver. The second stud receiver includes two side rails each defined by a different one of the two stud connector supports. A first one of the two side rails defines a first rail aperture to receive the wood fastener to fasten the wood stud to the second stud receiver.

A set including a coupling element, a first building element, a first building panel and a second building panel, wherein the coupling element is configured for assembling the first building panel and the second building panel to the first building element, wherein the coupling element includes a primary coupling portion configured to cooperate with a first mechanical locking system of a first edge of the first building element to thereby lock the coupling element from displacement along a secondary axis and a perpendicular tertiary axis each being orthogonal the primary axis; wherein the coupling element includes a secondary coupling portion extending in a direction along the tertiary axis and configured to cooperate with a second mechanical locking system of the second building panels, wherein the second locking system is configured for locking the first and second panels by a folding displacement of the second panel about its second edge.

A rolling block restraint connector for forming a moment resisting connection at a joint intersection between a continuous column and at least a first continuous beam that intersects the continuous column is disclosed. The connector includes a first restraint assembly, a second restraint assembly, wherein the second restraint assembly is configured to be located diagonally across the joint intersection from the first restraint assembly, a first linkage that couples the first restraint assembly with the second restraint assembly, the first linkage including (i) a first saddle configured to couple with an exterior of a first end of a first tubular shaft of the first restraint assembly, and (ii) a second saddle configured to couple with an exterior of a first end of a second tubular shaft of the second restraint assembly, and a second linkage that couples the first restraint assembly with the second restraint assembly.

Generally described, an airtight building, or Construx Airtight Hybrid Building (CAHYB), includes an internal structural support, for example, a core anchored to a concrete foundation wall or a concrete slab, to form the structural frame of the airtight building, and a plurality of insulated metal panels to provide atmospheric stability such that the atmosphere within the airtight building may be controlled. In some configurations, the insulated metal panels are used as the outside perimeter wall. Structural caulking is applied to the interface between the core and the plurality of insulated metal panels to form a building with a degree of airtightness.

A building construction includes a plurality of vertically oriented studs, each extending between a floor and a ceiling of a building, each stud including a first and second stud sections in parallel, spaced apart relation, and a connecting wall which connects together the first and second stud sections in the parallel, spaced apart relation, each stud section including a central wall having lengthwise extending recesses, and two wing walls extending from opposite side edges of the central wall; and side connecting panels for connecting together wing walls of horizontally spaced apart studs, with the outer surface of each side connecting panel being coplanar with the outer surface of each respective central wall.

A hanger for connecting a structural member to a structural support including a base sized and shaped for receiving the structural member thereon. First and second side panels extend upward from the base. First and second back panels each extend from a respective one of the side panels. First and second top flanges each extend from a respective one of the back panels. An opening in one of said first and second side panels and said first and second back panels is configured to receive a fastener to attach the hanger to one of the structural member and the structural support. A slot is adjacent the opening. An area between the opening and the slot defines a yieldable portion selected to deform at a load that is less than the shear load capacity of the fastener when received through the opening for connecting the hanger to one of the structural member and the structural support.

A post assembly includes an elongate first portion having a upper first end and an opposing lower second end. The first portion configured for supporting a structure. The post assembly also includes a second portion formed from a non-deteriorating material coupled to the second end of the first portion. A coupling device couples the first portion to the second portion.

An assembled self-recovery circular concrete-filled steel-tube composite joint includes a circular steel-tube column and H-shaped steel beams, where steel bars penetrate through the circular steel-tube column; the circular steel-tube column includes an upper steel-tube column section, a central inserted-connection column section and a lower steel-tube column section; the upper steel-tube column section is connected to the central inserted-connection column section through an upper sleeve connector, and the central inserted-connection column section is connected to the lower steel-tube column section through a lower sleeve connector; and the H-shaped steel beams are connected to the circular steel-tube column through the upper sleeve connector and the lower sleeve connector. According to the assembled self-recovery circular concrete-filled steel-tube composite joint, all members are machined in a factory and are connected on site through bolts.

Channel framing includes an elongate body having a longitudinal axis and defining an interior extending along the longitudinal axis. The body includes a first side defining a continuous slot extending lengthwise of the body and into the interior of the body. A second side is generally opposite the first side and defines a fitting groove extending lengthwise of the body. The fitting groove is configured for receiving at least one type of fitting to secure the fitting to the channel framing.