A corrugated metal plate comprises a plate configured to define a series of crests and troughs, where the plate has longitudinal edges extending parallel to longitudinal axes of the crests and the troughs and transverse edges extending orthogonally to the longitudinal axes of the crests and the troughs. The corrugated metal plate further comprises at least one of: at least one longitudinal flange extending from each longitudinal edge, and at least one transverse flange extending from each transverse edge.

A building panel is provided. The building panel includes an exterior wall portion, an interior wall portion, a pair of opposing sidewalls, a first end portion and an opposite second end portion. The pair of opposing sidewalls spacing apart the interior wall portion from the exterior wall portion to define a cavity therebetween. The exterior wall portion, the interior wall portion and the pair of opposing sidewalls are arcuate in shape to define the building panel. The first end portion has a slip lock slot extending between the pair of opposing sidewalls. The second end portion has a slip lock tab member extending between the pair of opposing sidewalls. The slip lock slot of the building panel is configured to receive the slip lock tab member of a second building panel to adjoin the first and second building panels in a continuous fashion.

A method of making a geodesic shape is provided. The method comprises of providing and assembling a plurality of pre-made forms, and a plurality of struts. The pre-made forms have a triangular shape, first and second inner edges, and an outer edge. The length of each inner edge and outer edge are determined by the frequency of the geodesic shape, diameter of the geodesic shape, and known formulas for relating diameter and frequency when creating a geodesic dome or sphere. Using the pre-made forms and struts, a polygonal shape is assembled, each shape having either five or six pre-made forms. The resulting desired polygonal shape and additional desired polygonal shapes made using the same steps are connected at preset angles in known geodesic form and function. The desired polygonal shapes then combine to form a desired geodesic shape. Throughout the process, no struts are operably coupled to other struts.

Method and apparatus useful for the construction of exterior wall systems of buildings. The apparatus has an outer U-channel having a front formed lip thereon along with an inner wall together forming a base portion of the U-channel within which the bottom of the outer piece of siding is placed. The apparatus also includes a rear wall for supporting the inner piece of siding in an upright position along with a ledge upon which the bottom of the inner piece of siding rests. The rear wall of the apparatus may have apertures herein for receiving fasteners along with weep holes in the base of the U-channel.

The application relates to a standalone portable protective enclosure that forms a complete envelope surrounding and protecting its contents from the extreme forces of nature and man. The invention can have other uses other than a protective enclosure and will not be out of place in a living room of a home. The invention pertains to a protective enclosure that is resistant to high velocity projectiles and massive blunt forces. More particularly, this invention relates to a protective enclosure that can be site assembled from matching parts and may be disassembled and relocated to different locations.

A modular building system and method of construction that includes the steps of: assembling a structure to create a framework as part of a series of modular assemblies; arranging at least one dome, where the at least one dome includes the modular assemblies, and wherein the framework supports the at least one dome; creating four quadrants within each dome which creates a domed hemisphere, wherein each quadrant shape consists of at least three equal edges in a 90-degree arc; designing a first chord factor, second chord factor and a third chord factor associated respectively with a first chord length, a second chord length and a third chord length for each quadrant, where the chords are edge lengths that determine a radius of each dome and said edge length equals a chord factor multiplied by a desired dome radius; and attaching modular connectors along edges of the modules and the modular connectors enable the connection of the modular assemblies, further where each of modular connector includes square openings positioned in the center of each modular connector.

A modular wall structure can include a first modular unit having a first face defined by a first perimeter and a second modular unit having a second face defined by a second perimeter. The first modular unit can be operably and selectively coupled to the second modular unit. Base units can be provided to support the first and second modular units.

The invention is a structural connector used as a component to construct an arch consisting of a plurality of closely adjacent, polygonal rows of stringer beams. The multiple row polygonal arch is a low-cost, general purpose support structure for bridges, shelters and arbors applicable to many cost-, time- or environmentally-sensitive situations. The invention is a Y-shaped connector, typically made of sheet metal, with three brackets, two upper brackets and a lower bracket, which collectively enable a union of three beams forming one node of the multiple row polygonal arch. Using these Y-shaped connectors to join the beams at each node creates the arch structure, and additionally provides the features of cantilevering, modularity, generic component shape, reusability and safety. The invention is applicable to a variety of structures such as: pedestrian and vehicular bridges, shelters, arbors, as well as jewelry, furniture and toys.

An architectural building block system including a block having three side walls, each having an inside surface and an outside surface, the three side walls cooperate to form a triangular tube having three corners, the outside surface of each of the three side walls extending outwardly from the inner surface to the outer surface and the inside surface of each of the three walls is disposed substantially at right angle to each of the inner surface and the outer surface; and three channel pairs, each configured to receive a rebar, each channel pair including a first channel disposed on one of the three side walls on the inner surface and a second channel disposed on a corner of the three corners that is opposingly disposed from one of the three side walls.

A shelter is made from a plurality of connectable panels. The panels include a first panel which has a side edge, an exterior, and an interior, and a second panel which has a side edge, an exterior, and an interior. A connector is configured to hold the side edge of the first panel in abutting relationship with the side edge of the second panel. The connector includes an exterior segment which is configured to connect the exterior of the first panel to the exterior of the second panel, and an interior segment which is configured to connect the interior of the first panel to the interior of the second panel. The exterior and interior segments each include elastic cords which resiliently hold the two panels together. The edges of adjacent panels include ridges and mating grooves, and the panels include a viewing aperture which can be closed with a plug.