The disclosed technology provides a seismic yielding connector. The seismic yielding connector includes a U-shaped plate configured to connect a side stud of a panel to another component of a panel and a yielding plate located between the U-shaped plate and the side stud of the panel. A high-strength bolt connects the U-shaped plate, the yielding plate, and the side stud of the panel to a structural column. A bushing is located between the U-shaped plate and the structural column.

A reinforcement structure includes compound trusses placed horizontally symmetrically, and each compound truss is constituted by a first truss and a second truss. Each first truss has: a vertical side; a first inclined side extending obliquely downward from an upper end of the vertical side; and a second inclined side connecting between the vertical side and a lower end of the first inclined side. Each second truss shares the first inclined side with the first truss and has: a horizontal side extending horizontally from the upper end of the vertical side; and a second inclined side connecting between a tip end of the horizontal side and the lower end of the first inclined side. Each compound truss is coupled to the construction in a state where the vertical side is along an inner side surface of the construction and the horizontal side is along a ceiling surface of the construction.

A modular building unit is disclosed. The modular building unit includes at least nine elongated frame members, each forming one edge of a prism, which prism has at least three side faces and two end faces, with each end of each frame member being rigidly attached to an end of two other frame members. At least three parallel frame members include a channel running therethrough, which channel is open at both ends and adapted to receive a tensioning cable therethrough, whereby like modular building units can be held together at adjoining end faces by tensioning cables. Modular building systems for combining modular building units using tensioned cables are also disclosed.

The disclosed technology provides a seismic yielding connector. The seismic yielding connector includes a U-shaped plate configured to connect a side stud of a panel to another component of a panel and a yielding plate located between the U-shaped plate and the side stud of the panel. A high-strength bolt connects the U-shaped plate, the yielding plate, and the side stud of the panel to a structural column. A bushing is located between the U-shaped plate and the structural column.

A connection node assembly for use in connecting an upper prefabricated building module to a lower module. Hollow vertical edge supports of the building modules have top and bottom connection parts. A connecting bolt can be passed through the top part of an upper vertical support in the upper building module and seated within the bottom part of that vertical support with the shank extending downward. The shank engages a threaded aperture in a connecting nut secured within the top part of a corresponding lower vertical support in the lower building module. Diaphragm plates sandwiched between the upper and lower vertical supports are used to tie horizontally placed modules together.

The present invention relates to using interlocking spacer braces between support members to construct wood and metal framed walls, floors and building trusses. Spacer braces have indentations, extensions, with hook fingers, hook tongues and hook receivers along with U & W shaped clips that interlock horizontally, vertically or diagonally between support members. The spacer braces can form diagonal and lateral wall bracing, diagonal and vertical chords within building truss with either horizontally or vertical orientations, headers above doors and windows and shear walls. The spacer braces can be installed individually or in tandem between wood or metal framing.

A fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure includes steel columns, H-shaped steel beams and a shear wall assembly. The shear wall assembly includes left and right groups of slotted wall plates and is connected with flanges of the H-shaped steel beams through angle steel. Connecting ring plate assemblies are fixed to upper and lower ends of each steel column and each comprise an outer ring plate, an inner ring plate and a short side plate. A long side plate is fixedly arranged on each steel column tube and is connected with one slotted wall plate through a plurality of self-locking hasps. A plurality of pre-stressed steel strands are arranged on two sides of each long side plate.

A fabricated self-resilient energy-dissipation double-steel-plate slotted shear wall structure includes steel columns, H-shaped steel beams and a shear wall assembly. The shear wall assembly includes left and right groups of slotted wall plates and is connected with flanges of the H-shaped steel beams through angle steel. Connecting ring plate assemblies are fixed to upper and lower ends of each steel column and each comprise an outer ring plate, an inner ring plate and a short side plate. A long side plate is fixedly arranged on each steel column tube and is connected with one slotted wall plate through a plurality of self-locking hasps. A plurality of pre-stressed steel strands are arranged on two sides of each long side plate.

A connector assembly, having an upper connector coupled to a lower connector and a gusset plate sandwiched between the upper and lower connectors. The upper and lower connectors allow for coupling to adjacent upper and lower connectors, respectively, allowing for addition of a modular unit to a pre-existing modular structure. Also, ways of coupling adjacent upper connectors and coupling of adjacent lower connectors when coupling a modular unit to a pre-existing modular structure are provided.

A beam coupler adapted to couple two beams mounted side by side. One coupler comprises a central plate mounted to the first beam, comprising two central-plate side faces in the coupling orientation; and a longitudinal oblong hole providing a passage connecting the two side faces. The coupler also comprises a pair of side plates mounted to the second beam, each comprising an interior face to neighbor the central plate; an exterior face; and a circular side-plate hole providing a passage connecting the interior face with the exterior face. The coupler further comprises compression means applying an inward preload over the plates, comprising a body extending between the exterior faces through the circular and oblong holes. The oblong holes allow displacement of the body of the compression means therein in the longitudinal direction upon a displacement of the plates resulting from a deflection of the beams.