The present invention is a support structure including elongate hollow cylinder and flat plates secured thereto. A first rigid flat plate is horizontally disposed in overlying relation to each hollow cylinder and a second rigid flat plate is horizontally disposed in underlying relation to each hollow cylinder. Stress-distributing strengthening members are circumferentially positioned about the hollow cylinder and secured to their associated rigid flat plates. A key may extend from a first end of each hollow cylinder and a mating socket may be formed in a second end of each hollow cylinder to facilitate end-to-end interconnection of a plurality of hollow cylinders.

A building system that includes a modular panel with side members, at least one of the side members having an associated coupling for hooked connection with a corresponding shaped fixture of an adjacent structure, the coupling and fixture being adapted to be held together by a locking device that, when engaged, acts to lock the structure and the side member together and, when disengaged, allows for play between the panel and structure in order to free the panel from the structure.

A support framework (101) for building casings (200) using pultruded uprights, a building casing (200) and a building structure (300). A process for realizing and installation of the building structure (300), as well as manufacturing processes of the various components of the framework.

A profile bar (10, 10a) formed as an extruded part and consisting of a light metal alloy, in particular an aluminum alloy, with a rectangular in particular square, cross-section, wherein a longitudinal groove pair (20, 20a), comprising two longitudinal grooves arranged parallel to one another and at a distance from one another, is provided in each case on at least one lateral surface, preferably on all four lateral surfaces, and with at least two, preferably four, longitudinal channels which extend parallel to the longitudinal grooves and which form in each case an opening (40) for fastening in each case a pen (34) on each of the two end faces (36) of the profile bar (10, 10a), wherein each longitudinal channel is arranged on an imaginary intersection line of planes extending at a right angle to one another and arranged perpendicularly to in each case a lateral surface, wherein at least one of the planes is a longitudinal center plane of a longitudinal groove of a longitudinal groove pair (20).

An extrusion profile and cap system is provided. The extrusion profile may be made of metals, polymers, ceramics, and the like. The extrusion profile may include an outer perimeter forming an internal cavity. At least one channel may be formed along the outer perimeter and protruding into the internal cavity. The cap is releasably attachable to the extrusion profile and may cover at least a portion of the channel. The cap may hide bolts, screws, angle bars, wires and the like within the channel.

A mullion connection system for resisting wind load reactions using a connection clip structurally engaged with a mullion without a hole or a fastener penetrating into the mullion surface. The connection clip can undergo stress-free vertical sliding relative to the mullion along the entire length of the mullion without impairing the structural connection strength; therefore, the building construction tolerance in the vertical direction is eliminated as a design consideration of the curtain wall system. The design also eliminates the need for pre-fabricating mullion holes for the connection locations. The design does not require the pre-determination of the elevation of the connecting point and thus is most beneficial for a curtain wall renovation project where the available locations in the building structure for structural connection cannot be determined prior to the demolition of the existing wall. The uninterrupted mullion tube cavities can be conveniently utilized for inter-floor distribution of utility lines.

The present technology relates to beams having a cross section defining a plurality of channels and assemblies comprising the beams. The beams can be used to form a beam assembly that is installed inside the truck bed of a pick-up truck. A ladder loader and a solar panel assembly can be pivotably secured to the beam assembly along either the driver side wall or the passenger side wall of the truck bed.

A hollow groove pipe structure is disclosed and includes a hollow groove pipe, first fixing sliding members, second fixing sliding members, and fixing members. The hollow groove pipe has a first surface, a second surface, a third surface, and a fourth surface for surrounding a hollow space. At least two opposite surfaces have grooves, and the bottoms of the grooves are greater (wider) than the opening and provided with trough holes. The plates having a plurality of protruding portions can be clamped in the grooves. The first and second fixing sliding members having protruding portions surround and clamp the plates with the space between the two through holes of the grooves, such that the fixing members pass through the holes of the first fixing sliding member, and the holes of the groove the holes of the second fixing sliding member fix and combine the plates into a whole.

A support column extends in a longitudinal dimension and includes a plurality of outer hollow longitudinal structures. Each longitudinal structure defines an interior passage extending along a length of the longitudinal structure. The support column includes a plurality of inner members. The plurality of outer hollow longitudinal structures are aligned end-to-end along a single axis. The interior passages of the plurality of outer hollow longitudinal structures cooperate to define an interior passage of the support column. The inner members are aligned end-to-end along the single axis within the interior passage of the support column so that opposed longitudinal ends of each of the inner members extend to respective longitudinal ends of each adjacent inner member. At least one end of at least one inner member is longitudinally offset from every longitudinal end of the plurality of outer hollow longitudinal structures.

A beam can comprise a plurality of steel channel members that extend along a longitudinal axis. The plurality of steel channel members can cooperate to define an interior volume that is configured to receive concrete therein. The plurality of steel channel members can comprise a first C-shaped channel member defining a channel therein and having first and second flanges. The channel of the first C-shaped channel member can define a portion of an outer boundary of the interior volume. The first and second flanges can extend into the interior volume. A plurality of internally projecting members can be spaced along the longitudinal axis. The plurality of internally projecting members can extend into the interior volume from a steel channel member of the plurality of steel channel members. A strap can extend across the interior volume so that when the interior volume is filled with concrete, the strap engages the concrete.