Abstract: A wall block element (1, 2, 3) for building and/or landscaping purposes, such as for building a retaining wall (4), masonry wall (5) and/or a curb. The wall block element (1, 2, 3) comprises a first panel (6) and a second panel (7), at least said first panel (6) being a natural stone slab. At least two spacer elements (8, 9) made of steel are arranged at a distance from each other for placing and adjoining the first panel (6) and the second panel (7) together in parallel and at a distance in relation to each other. An inner space (10) is defined by the panels in-between the panels in which inner space a filling material (11), such as cast concrete, can be placed, said spacer elements each having connecting means (12) to attach at least the first panel to the spacer elements.

Abstract: An improved mechanically secured block building system generally for concrete masonry structures comprising a masonry block unit with a height and width essentially one-half the length of the unit, with multiple cavities through the block and with a recessed channel; an anchor bar with a plurality of threaded and non-threaded apertures in a special configuration to match the cavities in the block unit and able to lay in the recessed channel of the block; and a fastener wherein the mechanical secured block building system can be assembled in unique ways due to a cube effect of the masonry block to construct multiple width walls, grade beams, and horizontal decks. An alternative embodiment includes the preferred mechanical secured block building system further comprised of (d) a footer block and (e) a footer plate.

Abstract: Thermally-isolating wall anchors and anchoring systems employing the same are disclosed. A thermally-isolating coating is applied to the wall anchor, which is interconnected with a wire formative veneer tie. The thermally-isolating coating is selected from a distinct grouping of materials, that are applied using a specific variety of methods, in one or more layers and cured and cross-linked to provide high-strength adhesion. The thermally-coated wall anchors provide an in-cavity thermal break that severs the thermal threads running throughout the cavity wall structure, reducing the U- and K-values of the anchoring system by thermally-isolating the metal components.

Abstract: This invention relates to a method of making a dual panel composite truss having a pair of spaced apart prestressed concrete panels. The process includes assembling a truss frame, which includes connecting a plurality of steel posts and bent rod truss members and reinforcing rods and lifting and placing the assembled truss frame in a panel form for pouring a first prestressed concrete panel on one side of the truss frame. The truss frame with the first concrete panel is then stripped, lifted and placed on a turntable and turned to place the other side of the truss frame in the panel form for pouring a second concrete panel, to form a dual panel composite truss having parallel spaced prestressed concrete panels.

Abstract: A high-strength pullout resistant pintle and anchoring system employing the same is disclosed. The modified veneer tie utilizes ribbon pintles formed from a wire formative construct that is cold-worked with the resultant body having substantially semicircular edges and flat surfaces therebetween. The edges are aligned to receive compressive forces transmitted from the outer wythe. The ribbon pintles hereof, when part of the anchoring system, interengage with receptor portions of a wall anchor and are dimensioned to preclude significant lateral, vertical and horizontal movement.

Abstract: Improved concrete form insert assemblies (20) are provided for use in the construction of thermally insulated poured concrete sandwich wall structures (22). The insert assemblies (20) include a central sheet (32) of insulative material such as synthetic resin foam, which is preferably encapsulated by a sheath (78) to enhance the structural integrity of the sheet (32). A pair of reinforcing bar assemblies (46, 48) preferably made up of welded-together horizontal and vertical bars (50, 52) are respectively positioned adjacent the side surfaces (34, 36) of the sheet (32). The bar assemblies (46, 48) are secured to sheet (32) by means of connector elements (54) extending through the sheet (32) and presenting oppositely outwardly extending, apertured segments (56, 58).

Abstract: A block wall system including a block wall having a multiplicity of courses of blocks; at least one longitudinal reinforcement bar that extends through the block wall; and at least one bracket for locating the longitudinal reinforcement bar; wherein the longitudinal reinforcement bar passes through the void of at least one block in the block wall and through a capture zone of the bracket located within the block wall.

Abstract: The present invention encompasses a process for initially combining and thereafter uniting two or more modular units to one another in order thus combined to be able to form a house body, for instance a cellar-adapted house body. A liquid-resistant layer is advantageously wholly or partly to be able to cover a base slab and in any event lower wall sections allocated to the wall portion, proximal the base slab, in order principally to prevent damp permeation. A first modular unit, with in any event a first open wall portion, is placed on a substrate prepared within a building site, a second modular unit, with in any event a second open wall portion, is placed on the substrate prepared within the building site, so that an open wall portion allocated to the first modular unit will connect to an open wall portion allocated to the second modular unit. The base slab of the one modular unit and the base slab of the second module form a free space defined by the mutually facing edges of the base slabs.

Abstract: An uniquely improved mortar less masonry structure comprising a plurality of concrete masonry units connected to each other by metal bars and metal threaded fasteners thereby forming a reinforcing skeletal system for the masonry to utilize a post tensioned structure. The unique system has been developed with full recessed channels in the masonry unit, anchor bars that fit into the channels and extend across a plurality of masonry units and bolts that act as the tendon for the post tensioning system. This is an improved, rapidly constructed building system that demountably couples each individual masonry unit by an extended bar and bolt system. This extended bar is more efficient and easier to build with as compared to other traditional masonry structures.

Abstract: A wall construction system includes a footer attached to a floor or footer; vertical reinforcing bars attached to the footer; horizontal reinforcing bars attached to vertical reinforcing bars at predetermined heights above the footer; blocks attached onto the footer, each layer including a row of blocks, each block including a pair of flat major surfaces and four contoured minor surfaces, and a plurality of longitudinal grooves parallel to the major surfaces and incorporated into the edges of the minor surfaces; a plurality of joining strips, the strips placed end to end and pressed into each longitudinal groove, with about half their width protruding from the longitudinal grooves; a plurality of lateral clips attached to pairs of joining strips across the top of the blocks, perpendicular to the longitudinal grooves; and a quantity of concrete in horizontal and vertical air gaps between adjacent blocks enveloping horizontal and vertical reinforcing bars.

Abstract: Methods and apparatus are provided for lining one or more surfaces of concrete structures during fabrication thereof. A structure-lining apparatus comprises a plurality of structure-lining panels and a plurality of concrete-anchoring components. The panels, which may extend in longitudinal and transverse directions, are interconnected to one another in edge-to-edge relationship at their transverse edges to line at least a portion of the interior of the structural form. The concrete-anchoring components extend in an inward/outward direction from the panels. The concrete-anchoring components may: be integrally formed with the panels; connect to the panels via suitably configured connector components; and/or connect edge-adjacent panels to one another. The concrete-anchoring components may comprise concrete-anchoring features which may extend in the longitudinal and transverse directions (e.g. in a plane parallel to the panels) to provide concrete-anchoring surfaces.

Abstract: A plurality of pre-formed panels are provided. Each panel comprises construction boards held apart from each other by spaced apertured metal strength members (2) to form a sandwich construction. Each strength member is provided with at least one bar (10) extending beyond an edge of the construction boards. Each strength member has a bar receiving portion (63) associated with its end opposite the at least one bar. To construct a wall, a first such panel is first erected with its strength members (2) extending vertically and with the bars (10) projecting above the remainder of the panel. The void between the construction boards is then filled with a settable material. A second panel is located vertically above the first by slotting the bars of the first panel into bar receiving portions of strength members in the second panel. Thereafter, the void between the construction boards of the second panel is filled with the settable material.

Abstract: An insulating concrete form with two opposing panels, each panel having on each end thereof both a tongue and a groove for interconnecting with a similar form, the tongues and grooves positioned such that a similar form may be reversibly positioned and still interconnected, the opposing panels on each form joined by a plurality of metal wire ties with both horizontal and vertical members, preferably welded one to another, with each horizontal wire bent to form a right angle on each end with a metal attachment strip disposed within such right angle.

Abstract: A metallic stud for use in the framing of structures, the stud definable in terms of an x, y, z coordinate system, in which the z-axis corresponds to the gravity vector. The metallic stud includes a z-axis elongate generally rectangular integral xz plane web having a width (thickness) in a yz plane. The stud also includes a series of xz plane tabs each having a parallelogram-like geometry and an outer major base. The series of xz plane tabs project within at least one of a positive or negative x-axis direction, in which the tabs interdigitate with void spaces along at least one z-axis edge of the web. The metallic stud also includes a z-axis elongate apex element, within xz plane web, projecting in a y-axis plane and integrally dependent from the web of the stud.

Abstract: A load bearing building panel (10) is composed of light weight concrete and reinforcing within the panel body (11) adjacent to the first and second major faces (12, 13). The reinforcing (18, 19) extends in a horizontal direction for most of the width of the panel and in a vertical direction for most of the height. In addition, the reinforcing extends about apertures near the upper and lower faces (16, 17). The apertures a suitable for fasteners to extend there through. A load bearing column is disclosed with top and bottom portions engageable with a structure they are resting upon. A triangular cross-section tubular member extends between and is attached to the top and bottom portions.

Abstract: The invention relates to a reinforced concrete section (1, 23, 26–28) comprising two commercially available pre-cast floor elements (2, 3) of the same type. Each element consists of a substantially rectangular concrete slab (4, 21) and at least one lattice girder (5, 7) attached thereto. The two pre-cast floor elements are arranged in a laterally reversed manner so that their concrete slabs (4, 21) are situated parallel to and at a distance from each other and their lattice girders face one another. The pre-cast floor elements (2, 3) are fixedly attached to one another by their lattice girders (5–7). The reinforced concrete section (1, 23, 26–28) can be used with site-mixed concrete to rapidly produce a foundation for a building on the building site, without erecting the shuttering and dismantling the shuttering.

Abstract: A building component having first and second high density foam panels and improved bridging members for connecting the panels that extend between and may be molded into the panels. The bridging members include a pair of elongated end plates oriented in a top to bottom direction of the panels, a pair of substantially identical web members joining the end plates and being substantially symmetrically disposed above and below a central horizontal axis of the bridging member, and a pair of strip members oriented in the top to bottom direction of the panels intersecting the web members. The web members have a unique configuration that maximizes load bearing capacity with a minimum amount of material. The strip members may abut against and be substantially flush with respective inner surfaces of the foam panels to assist in positioning and forming the panels during molding. Seating areas for positioning horizontally and/or vertically disposed rebar in predetermined positions are also provided.

Abstract: A composite building block with a connective structure between the inner and outer wall units is presented. The wall units can be made of cement, clay brick, or similar materials. The connective structure is made of a material different than the wall units and may be integrally formed per the requirements of a particular wall construction project. In one embodiment, the connective structure comprises a center form, and one or more arms have connectors that connect to corresponding connectors integrally formed on the wall units. The center form may partition the cavity between the inner and outer wall units into two or more cavities, which may then be partially filled with, for example, insulative material or load-bearing materials, such as concrete.

Abstract: A tie bracket for supporting opposing synthetic foam insulating panels of a concrete receiving form, and a form utilizing such brackets. The tie bracket has intersecting horizontal and vertical members forming circumferentially closed openings therein. Most openings are arranged in horizontal series. An upwardly open trough is formed in each tie bracket. The horizontal members span and connect spaced apart parallel plates. The plates of each tie bracket are embedded in one foam insulating panel and are of height equal to that of the insulating panel. Each insulating panel has projections formed in its upper surface and cooperatively formed notches formed in its lower surface to enable interlocking and alignment of vertically stacked forms.

Abstract: A vertical reinforcement for masonry wall comprising a void reinforcement within a vertical housing within the wall placed through vertical access grooves. The grooves may be opened on the unexposed face of the masonry wall and served for the accurate positioning of the longitudinal reinforcement within the full width of the wall. In addition to the longitudinal reinforcement, the system also includes fixed or moveable transverse connectors or spacers which supplement the reinforcement; lateral or end anchorages to secure the reinforcement and by way of suitable supports, the wall itself; and supplementary elements which may be retention anchors, plum and leveling lines and support sections set for the overhanging masonry base.

Abstract: In an element (40b) for introducing shear forces into a concrete body a loop element (43b) is arranged on a shear force mandrel (41b), which loop element has an arc section (47b) in proximity to the surface of the concrete. When the element (40b) is subjected to a shear force (arrow 53) the arc section (47b) transmits this force to the concrete core inside the arc only through tensile forces in the loop element (43b) or in the arc element (47b). To absorb the resulting moment a second arc element (57b) aligned in the opposite direction is advantageously provided behind the first arc element (47b).

Abstract: A modular assembly for creating formwork for casting vertical concrete structures is characterized by elongated wall elements which are disposed in edge to edge relationship in two facing rows and which are simultaneously retained in edge to edge relationship and in facing relationship by connecting members. Retaining elements slidably engage connecting members and wall elements in diagonal relationship. Connecting members include engagement means for cooperating with notches in rigid panels which are disposed against the interior surfaces of flat walls formed by the formwork.

Abstract: A concrete construction block includes a pair of opposing spaced apart concrete side panels, a plurality of fasteners carried by the concrete side panels and arranged in pairs, and a plurality of panel couplers extending between respective opposing pairs of fasteners for holding the concrete side panels in an opposing spaced apart relation. Each panel coupler includes a pair of support plates secured to respective fasteners and an attachment member extends between the support plates. The support plates strengthen the concrete construction block under load conditions.

Abstract: A method and system for installing an insulated concrete wall includes insulation panels placed in an upright manner. Generally T-shaped wall studs are placed next to the insulation panels such that the front section of the wall stud is on the outside of the insulation panels and an anchoring section of the wall stud extends beyond the insulation panels into the gap into which concrete will later be poured. Concrete pouring forms are placed so as to render the gap into which concrete will be poured a desired thickness. The wall stud may also include slots for receiving cross-ties that secure the concrete pouring forms in proper position and retaining nubs that prevent the insulation panels from floating when concrete is poured. Concrete is then poured into the gap, surrounding the anchoring section the T-shaped wall stud.

Abstract: A positioning device for positioning a reinforcement bar within a masonry block. The positioning device includes a core with a central opening and an openable seam, a support structure having support arms connected to the core and arranged and configured for holding the positioning device in a desired position in a cavity of the masonry block. The core is arranged and configured such that a gap can be formed along the seam, the gap being configured to receive the reinforcement bar, and the core encloses the reinforcement bar within the central opening when the gap is closed.

Abstract: An insulating construction form consisting of a pair of spaced apart panels and a plurality of ties is applied to the building of structural walls. The tie members include pairs of resilient retainer arms, which define a series of adjacent receptacles. A reinforcing bar is typically inserted into the receptacles and its displacement therefrom is inhibited by abutment surfaces. Markings are positioned on each panel to guide the attachment of a cladding. In one aspect, the construction form serves for the formation of a corner, wherein a vertical rod is positioned for the attachment of the cladding. In another aspect, the panels includ a plurality of openings made at the time of manufacture.

Abstract: A positioning device for positioning a reinforcement bar 11 within a masonry block 20. The positioning device includes a core 110 with a central opening 112 and an openable seam 114, a support structure having support arms 122 connected to the core and arranged and configured for holding the positioning device in a desired position in a cavity 22 of the masonry block. The core 110 is arranged and configured such that a gap 118 can be formed along the seam, the gap being configured to receive the reinforcement bar 11, and the core 110 encloses the reinforcement bar within the central opening when the gap is closed.

Abstract: A blast shelter for protecting individuals during a blast or a natural disaster. The blast shelter includes an outer perimeter wall and an inner perimeter wall. The inner perimeter wall is positioned generally adjacent to the outer perimeter wall. A plurality of coupling members securely couples the inner perimeter wall to the outer perimeter wall such that the inner and outer perimeter walls are in a spaced relationship to each other. A door frame extends through the inner and outer perimeter walls. The door frame is securely attached to the inner and outer perimeter walls. A concrete material is poured between the inner and outer perimeter walls.

Abstract: In a structural reinforcement system of the present invention, a reinforcing material of a bundled fibrous material is positioned spanning a joint between structural members, and then opposite end sections of the reinforcing material are inserted into apertures formed in each of the structural members and fixed in place by anchoring with an adhesive. An angle formed between a center line of each aperture and a line connecting openings of the apertures should preferably ranges between 135° to 160°. The reinforcing material is preferably a bundle of fibers selected from the group consisting of aramid fiber, nylon fiber, carbon fiber, glass fiber, and steel fiber, and the bundle of fibers is impregnated with a resin.

Abstract: A formwork for building bearing walls comprises a plurality of pairs of facing panels (PE, PI) connected together so as to form an inside space between them, said pairs of facing panels being arranged in superimposed rows, the panels of each pair being connected to each others by braces (6) of adjustable length with both the braces (6) and the panels (PE, PI) being left in the wall formed when a cementitious material poured in said inside space has solidified. The so formed walls are provided with bearing partition members and ventilating duct, and are strongly insulated and already finished (FIG. 6).

Abstract: A pre-cast concrete form for cast-in-place beams and columns and a method of forming the same. The form includes a form body having a channel through a length thereof and a shear bonding key along the length, the channel being adapted to receive cast-in-place concrete therein to form a beam or column. The shear bonding key is integrally formed in the body and has a grooved portion and a ribbed portion for bonding the cast-in-place concrete to the form body. The form body may further include a reinforcing stirrup tie cast therein and extending into the channel, adapted to secure the form body to an opposed form body. The form body may include a plurality of shear bonding keys and reinforcing stirrup ties spaced apart along the length thereof.

Abstract: A sealing plate for use with a building, the building having an inner wall structure, an air impermeable sheet material for covering the inner wall structure and defining an air impermeable barrier, an insulation material on top of the sheet material and an outer wall structure outside of the insulation material uses a wall tie mounted on the inner wall structure and to attached to the outer wall structure for support. The wall tie has a first plate portion which is vertically mounted on the inner wall structure, a second plate portion connected to the first plate portion and extending therefrom inserted vertically through a slit on the sheet material, through a second slit on the insulation material, the second portion has at least one hole in which a suitable mount means is inserted and attached to the outer wall structure connecting the inner wall structure and the outer wall structure.

Abstract: An improved mounting for attaching an outer and inner facing material to a wall. The wall comprises a plurality of interlocking foam blocks with each of the plurality of interlocking foam blocks having an inner and an outer block surface for defining an outer and inner wall surface. Each of the plurality of interlocking foam blocks has a vertical aperture for filling with a curable material. A plurality of grooves are defined in the outer and inner block surface of the plurality of interlocking blocks. The plurality of grooves are aligned with the plurality of grooves in an adjacent layer for providing a plurality of continuous wall grooves. A plurality of outer and inner mounting strips are insertable within the plurality of outer and inner continuous wall grooves.

Abstract: A pre-cast concrete form for cast-in-place beams and columns and a method of forming the same. The form includes a form body having a channel through a length thereof and a shear bonding key along the length, the channel being adapted to receive cast-in-place concrete therein to form a beam or column. The shear bonding key is integrally formed in the body and has a grooved portion and a ribbed portion for bonding the cast-in-place concrete to the form body. The form body may further include a reinforcing stirrup tie cast therein and extending into the channel, adapted to secure the form body to an opposed form body. The form body may include a plurality of shear bonding keys and reinforcing stirrup ties spaced apart along the length thereof.

Abstract: Interconnectable formwork elements for casting vertical concrete structures adapted to interconnect to one another along their longitudinal sides to create a formwork for casting concrete to form a wall other vertical structure.

Abstract: The invention concerns a prefabricated composite construction system for the production of internal and/or external building-walls. The composite construction system has a building panel for internal use of wooden material and a building panel for external use of a heat-insulating hard cellular material. Between the panels spacers are provided which are connected with them and form voids, which can be filled with concrete, in which steel lattices are arranged on the building panel for internal use which extend in concrete chuting direction.

Abstract: Disclosed is a prefabricated concrete formwork module that may be assembled with others similar modules in the manner of a brick wall to form a mold into which concrete is poured. The formwork module has a reinforcing structure preferably made of parallel grids connected by transverse tie-rods. It also has a pair of opposite panels forming spaced apart longitudinal side-walls. It further has arms defining a bridge for providing stability between adjacent modules when assembled to form a wall. Preferably, the panels are made of an insulating material.

Abstract: A building block that has two block walls joined by plastic webs. The block walls can be made of cement, clay brick, or similar materials. The block has the strength of a cinder block, but with much less weight. Moreover, the plastic webs are used as a handle to permit easy handling and placement of the blocks. Because of the thermal characteristics of the plastic webs, when a wall is finished using these blocks, it has the characteristics of a true double wall construction. The blocks are filled with concrete on one side of the block and filled with insulation on the other side of the center arm. This creates a structurally sound wall that is fully insulated. The blocks come in full-height, half-height, full-length and half-length sizes. There is also a corner unit design.

Abstract: A reinforcing bar support or hanger for use in a masonry block wall incorporates a pair of supporting arms for contacting the surface of a supporting block and includes vertically extending hanger members terminating in a rebar cradle for receiving and supporting a rebar to be positioned within the wall. The support arms have a transverse length less than the transverse thickness of the masonry wall and the vertical thickness of the support arms is equal to or less than the thickness of the mortar joints between successive courses of the wall. The hanger may include longitudinally extending ridges for assisting in the transverse positioning of the hanger within the masonry block.

Abstract: A form tie for interlocking parallel and spaced foam panels. The tie is formed of an elongate planar strap having a lattice arrangement of openings for flow of concrete. Each of the opposite ends of the strap have an end plate and an inside plate spaced to bracket a corner of a foam form panel with each of the plates extending in a perpendicular or "Y" axis direction to the longitudinal or "X" axis of the strap. Each of the end portions forming the bracket also has vane shelves extending between the end and inside plates in a "Z" axis direction to the strap for support of the foam form panel corner. "U" shaped holders in the edges of the strap and overcenter tabs in the openings provide retainers to hold reinforcement bars, commonly termed rebar. The strap is preferably formed of a heavy gauge polypropylene.

Abstract: A concrete-filled steel bearing earthquake resistant wall which has combined resistance to shearing forces exerted in the surface plane thereof has connecting members (1), a pair of surface steel plates (2 and 2') arranged in parallel spaced relationship to each other and secured by the connecting members (1) so that the space between these surface steel plates is filled with the wall unit concrete (7), and wall unit periphery binding steel reinforcements (8) constructed from inverted U-shaped steel bars or similar material and arranged along the peripheral part of the wall unit at predetermined intervals so as to be embedded in the concrete (7). Slippage preventing members (6) are arranged in a staggered arrangement on the aforementioned surface steel plates (2 and 2').

Abstract: A foam block wall system is formed from a plurality of interconnected individual foam blocks. The individual foam blocks have a plurality of vertically oriented, quadrilateral core members spaced evenly within the block. The spaces between the core members define a plurality of vertically oriented chambers which receive liquid concrete.A plurality of connectors serve to connect the individual blocks into an integrated structure. A generally U-shaped bracket is secured to the floor or other supporting structure to provide support for the bottom layer of blocks. A generally H-shaped connector rests between successive vertical layers to provide both vertical and lateral stability. Generally U-shaped connectors connect adjacent blocks to provide vertical and lateral stability. A cabling system secures the individual blocks to the floor, also providing vertical and lateral support.

Abstract: Interlocking concrete form modules (21) suitable for creating a concrete wall form is disclosed. The modules (21) have the general shape of a right rectangular parallelepiped with parallel side walls (23a, 23b) joined by integral webs (25a, 25b, 27a, 27b, 27c) that define a plurality of parallel elongate cavities (31). The edges of the side walls (23a, 23b) include tongues (33a, 33b) and grooves (35a, 35b) that allow the modules (21) to be interlocked to form a wall. The ends of the webs are undercut such that cavities between the modules are created when the modules are suitably interlocked. The between-the-module cavities lie orthogonal to the through-the-module cavities. The modules (21) are formed of an insulating material and left in place. Preferably, the tongues along one edge include notches aligned with the webs. In one embodiment, the modules (21) substantially entirely are formed of relatively dense (3-5 lb./ft..sup.3) expanded polystyrene (EPS).

Abstract: Described herein is a method for reinforcing a cement block structure having a plurality of vertical cavities therein comprising:providing an access to at least one vertical cavity in the cement block structure large enough to insert a fiber reinforcing element;inserting a fiber reinforcing element through the access such that the element fills the cavity;introducing a slurry of cementitious material into the cavity through the access so that the slurry of cementitious material fills the cavity and infiltrates and encapsulates the fiber reinforcing element; andcuring the cementitious material.

Abstract: A flow-through cap and stirrup for reinforcement bars in a building wall and method of use thereof is disclosed. The building wall is formed from successive layers of masonry blocks having cells therethrough which form a hollow vertical core. Usually and particularly in earthquake prone areas, construction practices include the insertion and grouting in place of a pair of overlapping reinforcement bars within the core formed by the masonry blocks. The device of this invention is a cap and stirrup unit for holding the reinforcement bars in the requisite position. The device is formed from a coil spring with spaced apart coils, and has two elongated cells, namely, a cap portion and a stirrup portion. Each portion has a wall with a closed end and an open end. The cap has a channel which, when installed, accommodates the head of the lower reinforcement bar. Conversely, the stirrup has a channel which, when installed, accommodates the foot of the upper reinforcement bar.

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 form for walls and the like of the type formed by two parallel, facing molding surfaces each of the surfaces being formed by a plurality of panels, each panel having a rigid frame formed with an inner flange at one side and spaced holes, a plate with a major side attached to the inner flange of the frame, cellular reinforcing body made of plural wavy metallic strips in stacking condition and sandwiched between two wire nets, the reinforceing body is attached to the major side of the plate within the frame, and spacing units for simultaneously locking two layers of adjacent panels in opposed arrangement to provide great rigidity in the assembled form.

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 reinforcing frame work for covering structural steel bars of a reinforced concrete structure to be constructed is disclosed herein. The frame work comprises a plurality of frame units connected together and disposed along said structural steel bars, each of said frame units comprising a plurality of spacers extending in the transverse direction of said concrete structure and at least one guide steel bar extending in the longitudinal direction of said concrete structure and having said spacers secured thereto in laterally spaced relationship along the length of the guide steel bar.

Abstract: A embeddable mounting device and method for permanently affixing a fixture to a concrete block wall. The embeddable mounting device comprises a first rectangular metal plate member; a second rectangular metal plate member having dimensions equal to the first metal plate; and a pair of vertical spacer members secured between the first inner surface and the second inner surface in a manner to create at least one reinforcing bar and cement receiving cavity between the first and second metal plate members, and in a manner to hold the first and second metal plate members in parallel relationship with each other such that when said first and second metal plate members simultaneously contact a planar surface the first and second metal plate members are both perpendicularly oriented to the planar surface. A method of installing a fixture utilizing the mounting device is also described.