Abstract: A prefabricated lintel having two spaced apart parallel upstanding legs extending along the length of the lintel and having laterally aligned holes defined therethrough and spaced therealong. The lintel further has a flat lower surface and an upper surface defining flat, horizontal shoulders positioned along outer edges of the lintel on opposite sides of the upstanding legs and extending the length of the lintel. The lintel is placed to span a doorway and a course of blocks is laid on the flat shoulders, with a second course laid on the first course and a rebar positioned on the upper surface. A plurality of wire stirrups, each defining a rebar receiving loop, are engaged over the rebar and extend through openings in the two courses with end portions of the stirrups engaged in each of the holes defined in the upstanding legs of the lintel. The block openings are filled with grout.

Abstract: An internal form with exterior surfaces corresponding to the interior surfaces of the access chamber adapted to be contacted by corrosive gasses; spraying such exterior surfaces of the form with a release agent and allowing the release agent to cure; spraying the cured release agent with a first layer of gel coat having a first color and allowing the gel coat to cure; spraying the cured first layer of gel coat with a second layer of gel coat having a second color contrasting to the first color and allowing the second layer of gel coat to cure; spraying the cured second layer of gel coat with resin and chopped strands to form a first fiberglass coating; attaching half cylinder pockets to the first fiberglass coating; spraying the first fiberglass coating and pockets with resin and chopped strands to form a second fiberglass coating; rolling the second fiberglass coating to remove air bubbles and to improve the bonding between the layers and coatings; laying up metal reinforcing rods interior of the pockets and

Abstract: A sectional smokestack wherein each section is assembled from multiple precast concrete segments having aligned vertical ribs. The sections are stacked axially one upon the other during erection of the smokestack. Concentrated reinforcement extends vertically through aligned apertures in each rib from the bottom of the smokestack to the top of the smokestack. Each of the segments which are used to assemble a section have structural tie rods which extend laterally within a segment and extend into the aperture on opposite sides of the concentrated reinforcement to transfer wind loads and heat stress loads to the concentrated reinforcement.

Abstract: An apparatus (26) is disclosed which assists in tying a foundation reinforcing bar (18) to a reinforcing bar (24) extending through a wall of cinder blocks (12) after the wall has been constructed. The apparatus includes a low cost carrier (28) which is placed atop a block as the wall is constructed at the position where the reinforcing bars are to be tied together. The carrier carries a cable tie (40) in an open loop with the ends of the tie extending out of the wall. When the reinforcing bars are to be tied together, the ends of the cable tie are simply pulled to disengage the tie from the carrier and closed the loop about the reinforcing bars. Cement is then poured into the open cells of the wall and around the reinforcing bar. The exposed ends of the cable tie can be simply cut off and mortar used to fill the small hole through which they pass.

Abstract: This invention relates to a pre-cast, prestressed hollow core beam unit for use in a two-way building system and is adapted to be supported in continuous spanning relationship on two or more building supports. The beam unit has floor panel supports along opposite edges thereof, and comprises an elongate, continuous body of pre-cast, prestressed concrete having a plurality of hollow cores extending longitudinally throughout its length, with the hollow cores being selectively openable through the top surface of the beam unit to vary the design characteristics of the beam unit. In use, at least one of the hollow cores is opened through the top surface of the beam unit along at least a portion of its length, preferably at a point of high stress where the beam rests on a support, for example.

Abstract: An approved self-supporting form for use in constructing walls is adapted to be reinforced with cementitious materials poured therein, while securely supporting additional building materials on the outside thereof. The walls of the forms themselves are generally comprised of resilient, insulating materials, such as foamed plastics or the like. An anchored securement member is embedded in the concrete interiorly cured in the forms, and also extends to the exterior of the forms, where it is adapted for receipt of conventional attachment elements such as nails or screws. A plurality of the forms may be used to construct walls, much like conventional building blocks. Then, finishing cladding materials such as panelling, wallboard, or the like may be safely secured to the exterior of the forms with such attachment elements, even if the actual foamed sidewalls of such forms become damaged by heat or the like.

Abstract: A masonry wall structure comprising hollow concrete block units laid in courses, wherein each of the block units comprises front and rear panel members and a pair of side panel assemblies which form a gap between adjacent two of the block units. The side panel assemblies are connected to the front and rear panel members by means of reinforcing bars projecting rearwardly and forwardly from the front and rear panel members, respectively, into the gaps on both sides of each block unit, connecting bars projecting forwardly and rearwardly from the side panel assemblies into the gaps, steel wires binding overlapping end portions of the reinforcing and connecting bars together, and a body of cementitious material such as mortar filling the gaps and having completely buried therein those end portions of the bars which are bound together by the steel wires.

Abstract: A combination of decorative elements or blocks of various shape and of fastening elements for applying adaptably for the elements against a wall for decorating it by relief elements.

Abstract: A moulded building sheet (1) has opposed side edges (5) of increased thickness with respect to the general thickness of the sheet. The thicker side edges each accommodate a rebate (6) which extends along the respective side edge and into which the free ends of reinforcing wires (7) project.

Abstract: The invention herein is drawn to a plurality of structural products comprising segregated slabs, a process of making such structural products, and apparatus for performing such process of making such products and structures incorporating such products.The product comprises a plurality of slabs connected to each other only by an array of steel bar members extending therebetween and firmly attached thereto, whereby the slabs are movable relative to each other in directions transverse to the length of said bar members to the limit of flexibility of said steel bar members, so that many undesirable yet usually developed stresses and strains and failures developed in conventional reinforced concrete structures are obviated, and a light, strong, low-cost, thermal insulating structure is provided.

Abstract: A wall is formed of large, preformed structural slabs containing horizontally extending reinforcing members. The reinforcing members are made interlocking so that adjacent slabs in the same course are locked together horizontally. The slabs are placed in the wall vertically aligned, so that the reinforcing members and locking means (which extend outside the preformed concrete slabs) of slabs of successive courses can be welded together, giving a skeleton of steel which imparts great strength and earthquake resistance to the structure. Preferably, the structure is a silo and the slabs are arcuate.

Abstract: A veil section of a hyperbolic natural draft cooling tower is constructed on a lintel beam in the form of a closed planar curve provided with anchors spaced about the perimeter of the lintel beam for facilitating connection to the lintel beam of upstanding peripherally spaced column sections between which preformed panels are attached to fill the spaces between the spaced columns. Once the panels are affixed to the columns, the latter, as well as the adjacent portions of the adjoining panels, are encased in a cementitious material such as concrete. Additional sections of columns and panels are erected above the initial veil section by the same process as the latter in order to complete the veil. Vertically adjacent veil sections are attached to one another by connection of the columns in end-to-end relationship.

Abstract: A building structure including a beam of steel or rod reinforced concrete which is sheathed in a U-shaped cross section steel shell, a concrete column which is encased in a steel tube, diagonal bracings and connecting members thereof. The topside of the U-shaped steel shell is open to allow concrete to be filled therethrough. Steel rods are placed in the shell and a steel panel connecting member secures the opposed sidewalls of the shell. Steel bars extend from a floor slab into the beam shell through the aforesaid open topside, thereby rendering the beam integral with the slab. Frame-like steel members for confining reinforcing bars and/or shear connectors are disposed in the inside of the beam shell. A steel sleeve is also provided in the beam shell for defining a space for disposition of equipment. In addition, an opening is provided in the bottom wall of the beam shell so as to allow steel rods to extend from the wall into the beam shell, thereby rendering the beam integral with the wall.

Abstract: A construction panel suitable for flat roofs, walls, floors and the like. The panel is preformed employing a sheet steel member embedded therein having in addition intersecting reinforcement of steel bars. The panel is of cementitious material bent on both sides and formed in a U-shape.

Abstract: The wall structure is comprised of a building panel which includes U-shaped side members each having a web portion and outwardly disposed spaced apart flange members with a plurality of sheet members extending between the web portions of the side members. The sheet members dwell in the same plane and the adjacent edges of the sheet members may be spaced from each other. Pairs of stiffener members extend between the side members on opposite sides of the sheet members and cover the adjacent edges of adjacent sheet members. The stiffener members have a beveled outer surface so that particulate material will not lodge thereon when the panel is in a vertical position. The stiffener members form an enclosed compartment along the adjacent edges of adjacent sheet members.

Abstract: A building structure is disclosed in which precast columns and beam and deck members are used. Upper columns are supported in spaced apart relationship to lower columns by pairs of rods extending from each column respectively and clamped together by clamping means. Topping concrete is poured to lock the members together into a unitary structure. The structure provides for self-leveling of the columns.

Abstract: Wall panels are formed with horizontal edge faces. An edge portion integral with the panel projects from one of these edge faces. Another edge portion is recessed into the opposite edge face and is shaped to fit the projecting edge portion of another panel. A groove extends into each projecting and recessed edge portion to form a pair of grooves facing one another between the edge portions of successive panels. Sealing material, substantially filling the pair of grooves, completes the wall structures.

Abstract: The present invention relates to wall structure and components thereof and manufacturing methods therefor and, more particularly, in view of present energy crisis considerations, to a structural assembly comprising a plurality of individual components interconnected to form an integrated unitary structure of desired configuration such as but not limited to parabolic and/or other curved surfaces forming troughs, saucers, domes, flat wall structures and/or combinations thereof, some of which have particular utility in connection with reception and collection of various kinds of radiant energy including solar energy, without requiring or utilizing a pre-erected frame structure.

Abstract: The wall structure is comprised of a building panel which includes U-shaped side members each having a web portion and outwardly disposed spaced apart flange members with a plurality of sheet members extending between the web portions of the side members. The sheet members dwell in the same plane and the adjacent edges of the sheet members may be spaced from each other. Pairs of stiffener members extend between the side members on opposite sides of the sheet members and cover the adjacent edges of adjacent sheet members. The stiffener members have a beveled outer surface so that particulate material will not lodge thereon when the panel is in a vertical position. The stiffener members form an enclosed compartment along the adjacent edges of adjacent sheet members.