Abstract: A tilt-up wall panel formed on a horizontal support surface within a form comprises an outer foam layer having a top surface, and an outer surface with an outer finish layer applied thereto. An intermediate concrete layer having a bottom surface and a top surface is applied, at the bottom surface thereof, to the top surface of the outer foam layer. An intermediate foam layer having a bottom surface and a top surface is applied, at the bottom surface thereof, to the top surface of the intermediate concrete layer. A concrete inner layer having a bottom surface and a top surface is applied, at the bottom surface thereof, to the top surface of the intermediate foam layer. The tilt-up wall panel is then raised to a vertical position to form part of a wall of a building. Methods of forming the tilt-up wall panel are disclosed.

Abstract: A connection assembly for connecting a bolt to a slab includes a first connection part and a second connection part. The first connection part and the second connection part may be capable of being assembled to the slab in a manner so as to sandwich the slab with a first clamping member of the first connection part and a second clamping member of the second connection part between two opposite surfaces of the slab. The first connection part and the second connection part may be connected in a manner such that a connection between a first hollow-tubular-connecting-structure of the first connection part and a second hollow-tubular-connecting-structure of the second connection part may be within a through-hole in the slab, which extends between the two opposite surfaces of the slab.

Abstract: Concrete coupling assembly comprises a base holder for being attached to a concrete forming surface, the base holder including a central opening; a coupler having one end disposed within the central opening, the coupler having an axis for being positioned substantially transverse to the forming surface, the coupler having first and second threaded bores through the one end for attachment of a threaded rod; and a separate anchor body threadedly attached to another end of the coupler.

Abstract: A portable building is disclosed, having a wall section including a first upwardly extending support member, a second upwardly extending support member and a header supported by the first upwardly extending support member and the second upwardly extending support member, the header having a header channel. The wall section also includes a floor beam secured to the first upwardly extending support member and the second upwardly extending support member, the floor beam having a floor beam channel. Further, the wall section includes a plurality of wall panels, where each of the plurality of wall panels are removably retained within the header channel and the floor beam channel, such that each of the plurality of wall panels are slidable along the floor beam and the header while retained within the header channel and the floor beam channel.

Abstract: A concrete forming system for reducing the time and labor required for the framing, pouring, and curing of concrete walls. The concrete forming system generally includes concrete forms including a first wall, a second wall opposing the first wall, and a pair of sidewalls. A cavity is formed between the walls; with an opening being fluidly connected to the cavity. A first vehicle is connected to the first wall and a second vehicle is connected to the second wall. Using the vehicles, the positioning and orientation of the walls may be adjusted. After the walls have been placed and oriented, the vehicles will hold the walls in place as concrete is poured into the cavity through the opening. The concrete is allowed to cure into a structure; after which the vehicles and walls may be moved to another location to repeat the process.

Abstract: A building module comprising a bearing wall element having the form of a rectangular parallelepiped with openings intended for installation of window and/or door units and/or hinged elements, heat-insulating, reinforcing and finishing layers, having the same surface area, successively attached onto a bearing wall reinforced concrete element, the said surface area indents from an edge of the bearing wall element along the perimeter, the bearing wall element is made of lightweight reinforced concrete comprising a concrete mixture with lightweight fillers and a spatial frame formed by plane reinforced frames interconnected in a horizontal plane and embedded connectors and transport loops located on an outer edge, with extra reinforcing elements having a form of parallel rods positioned in an upper part of the spatial frame are located between plane frames, and the spatial frame is filled with concrete and is made using lightweight filler.

Abstract: The system includes a structure including a crossbar and a series of pillars connected to the crossbar by hinged joining means, and a fixing system to secure each pillar to the crossbar, where the hinged joining means are configured to operate as the crossbar is lifted from the ground, causing the pillars to be lifted to a final position in which the fixing systems secure the pillars to the crossbar in a stable position.

Abstract: A lifting anchor assembly that is configured to be embedded in a tilt-up concrete structure includes an anchor member that has a pair of legs extending downward from a central portion of the anchor member to form a generally inverted U shape. A spacer is disposed at a lower end portion of each of the pair of legs, where the spacers each include a plurality of spacing arms that extend radially at different lengths from an engagement portion of the spacer that adjustably attaches at the anchor member. The engagement portion of the spacer is configured to engage the anchor member in different rotational positions to selectively position one of the plurality of spacing arms in a downward position for accommodating different thickness dimensions of concrete structures.

Abstract: A concrete forming system for reducing the time and labor required for the framing, pouring, and curing of concrete walls. The concrete forming system generally includes concrete forms including a first wall, a second wall opposing the first wall, and a pair of sidewalls. A cavity is formed between the walls; with an opening being fluidly connected to the cavity. A first vehicle is connected to the first wall and a second vehicle is connected to the second wall. Using the vehicles, the positioning and orientation of the walls may be adjusted. After the walls have been placed and oriented, the vehicles will hold the walls in place as concrete is poured into the cavity through the opening. The concrete is allowed to cure into a structure; after which the vehicles and walls may be moved to another location to repeat the process.

Abstract: Modules for use in an assembly for managing the flow of water beneath a ground surface and assemblies of such modules are disclosed. The modules include supports and a deck portion and the supports are spaced apart and form channels with a main section of the deck portion. The deck portion also includes at least one section extending from a main section.

Abstract: Modules for use in an assembly for managing the flow of water beneath a ground surface and assemblies of such modules are disclosed. The modules include supports and a deck portion and the supports are spaced apart and form channels with a main section of the deck portion. The deck portion also includes at least one section extending from a main section.

Abstract: A concrete intermodal building unit for a prefabricated building structure including corner castings attached to contiguous rebars defining each corner of the concrete building unit. The corner castings can be mounted to the concrete building unit using solder, attachment plates for reinforcement, or rebar housings that connect the structural frame of the concrete building unit to the corner casting. Optionally, the corner castings can be mounted to the structural frame using I-beams.

Abstract: A lifting anchor for embedment into a concrete component, the anchor having a head for releasable engagement with lifting equipment, and at least one leg extending from the head, the leg being profiled so as to lock into the surrounding concrete, wherein the profiling is formed by a series of formations arranged along at least a face and adjacent edge of the leg.

Abstract: An edge lift anchor for embedment into a concrete panel, the anchor having a head of generally plate-like form for releasable attachment with lifting equipment, and at least one leg extending from the head, for locking into the surrounding concrete, the head having an eye for receiving a locking bolt of a lifting clutch in the form of a ring clutch, the head having an upper edge engageable by the body of the ring clutch when the clutch body is inclined at the commencement of lifting a cast panel from the horizontal configuration in which it is cast to a generally vertical configuration, wherein the width of the head is such that engagement between the clutch body and the edge of the head at the commencement of lifting from a horizontal configuration is at a sufficient distance from the end of the head that any deformation of the edge of the head caused by engagement with the clutch body under the applied lifting load will be wholly contained within the width of the head.

Abstract: A method for transporting cast panels is disclosed including providing a cast panel having a body with a first side and a second side, opposite the first side, the body defining a first recess disposed on the first side and defining a second recess disposed on the second side. A first hook-like member is inserted into the first recess to couple the first hook-like member with the body, the first hook-like member operably coupled to a lifting assembly. Thereafter, a second hook-like member is inserted into the second recess to couple the second hook-like member with the body, the second hook-like member operably coupled to the lifting assembly. Finally, the cast panel is transported by applying a lifting force, through the lifting assembly, to the first and second hook-like members.

Abstract: A concrete insert for casting in a concrete wall panel, having a housing having an elongate center portion and two opposing longitudinal sides, and two opposing longitudinal flanges. The elongate center portion is bounded by opposing outer longitudinal bend lines, the elongate center portion defining a longitudinally oriented nut access slot. The opposing longitudinal sides depend inwardly from the opposing outer longitudinal bend lines to opposing inner longitudinal bend lines. The opposing longitudinal flanges depend from opposing inner longitudinal bend lines transversely to the opposing longitudinal sides and extend in mutually divergent relation. The housing and the nut box insert comprise a nut box. The nut box insert comprises at least one resilient layer having resilient end walls compressed against the housing by the compression plate for substantially preventing wet cement from entering the nut box. In another approach, end walls substantially prevent wet cement from entering the nut box.

Abstract: A lift anchor assembly is characterized by a lift anchor defining a longitudinal axis, a bilaterally symmetrical lift plate, an opening through the lift plate bisected by the longitudinal axis, a bilaterally symmetrical embedment portion spaced away from and coupled with the lift plate, and a pair of elongate legs, each coupled with the embedment portion and with the lift plate parallel to the longitudinal axis. A recess insert is characterized by a pair of pivotably coupled concave insert shells defining a chamber and a longitudinal plane of symmetry. An elongate rod-like shear bar is characterized by a U-shaped bend. The recess insert is engageable with the lift anchor by coupling the insert shells on either side of the lift anchor through the opening. The shear bar is engageable with the lift anchor and recess insert by positioning the U-shaped bend over the lift plate and the opening.

Abstract: A method for the installation of a lifting loop in a fresh hollow core slab, said hollow core slab having its top surface broken for an opening substantially in line with a neck between the cavities, and said method comprises placing in the obtained opening a lifting loop-forming part set to bear against the hollow core slab's pre-stressing strands, the lifting loop-forming part's end sections being placed under the hollow core slab's pre-stressing strands by providing either a permanent or temporary deformation in the lifting loop-forming part. The invention relates also to an apparatus for implementing such a method, as well as to a lifting loop-forming part compatible with the method.

Abstract: An anchoring assembly for anchoring a liner of a cured lining material applied in liquid form to metal objects, comprising a fixing device welded or soldered to a metal object, the fixing device comprising a weld element and a fixing element provided with a through hole, and an anchoring element configured to be passed through the through hole of the fixing device, wherein the weld element comprises a weld or solder stud.

Abstract: A lifting insert for a concrete sandwich panel is disclosed. The lifting insert includes a fiberglass rod and two end sleeves secured to two opposite ends of the fiberglass rod. The two end sleeves create confinement of fibers of the fiberglass rod to improve stress resistance of the fiberglass rod. The two end sleeves are also separated by a predetermined distance apart from each other to prevent/reduce thermal bridging. The lifting insert further includes two anchoring members secured to the two end sleeves for anchoring the fiberglass rod within the concrete sandwich panel.

Abstract: A flange connection system for a concrete structure comprising a plurality of adjacent precast concrete members including a platform having a center panel and a first and second flange extending outward from the center panel in opposing directions. The system includes a first and second bent plate each having a horizontal member attached to the bottom surface of the adjacent flanges and a vertical member perpendicular to the horizontal member. The system includes a spacer plate extending in a vertical direction from about a lower edge of the first vertical member to below the first horizontal member and secured between the vertical members of the first and second bent plate with a plurality of fasteners. The first and second vertical member may flex at an upper portion allowing adjacent flange ends to move relative to one another.

Abstract: A tension bar for an edge lift anchor for a concrete panel, the tension bar being shaped to provide a central portion to lie adjacent a head portion of the anchor and legs extending from each end of the central portion, an inner side of each leg being profiled to lock into the surrounding concrete, the profiling being formed by a series of longitudinally spaced formations each of generally saw-toothed shape with a leading edge of each formation facing towards the head portion such that on application of tensile load to the tension bar, the leg will lock into the concrete with a generally compressive loading being applied to the concrete in the zone between the two legs.

Abstract: A lift anchor for a precast pre-stressed concrete tee includes a pair of slender parallel legs each characterized by a longitudinal axis, a first end, and a second end. The first ends join at a slender head. The longitudinal axes define a plane. A pair of oval-shaped feet are forged with the legs perpendicular thereto and characterized by a major axis. The forged feet are configured so that the major axes are either perpendicular or parallel to the plane. The legs and feet can be embedded in a precast pre-stressed concrete tee so that the head is exposed for coupling with a hoisting device.

Abstract: An anchor for embedment in a concrete slab to provide for the lifting of the slab comprises first and second elongate plates adapted to be arranged in facing relationship for form a composite anchor. Each of the first and second plates has a distal end and a proximate end and at one hole between the distal and proximate ends. The proximate end of each plate has a flange bent outwardly of the outer planer face thereof. The distal end of each plate has laterally projecting feet that are bent laterally of a planar face. The side edges of each of the plates have converging side edges that extend downwardly to the feet.

Abstract: A building panel comprises 2 parallel slabs separated by a layer of insulation. Each of a pair of planar plate-like lift wings has a 1st and a 2nd lift wing portion. Each of the 1st lift wing portions is penetrated by at least one through opening. A planar plate-like lift head defines a plane of symmetry orthogonal thereto. 1st and 2nd lift head portions are symmetrically disposed on either side of the plane of symmetry. Each lift head portion is penetrated by at least one through opening symmetrically disposed relative to the plane of symmetry. Each lift head portion is penetrated by at least one through opening symmetrically disposed relative to the plane of symmetry. The lift head is attachable to both lift wings when the 1st lift wing portions are orthogonal to the plane of symmetry. The lift head is detachable from both lift wings to eliminate thermal conductivity between the lift wings.

Abstract: An alignment and bracing assembly and method of using the same to erect a bucket elevator. The assembly has first and second cross braces that are attached to trunking members of a bucket elevator in spaced relation where a plate is secured to each of the cross braces. The plate includes diagonal sections for additional bracing and in addition alignment openings so that alignment pins can be disposed therethrough to align additional sets of trunking members with one another during the erection process.

Abstract: A lifting apparatus to be embedded within a precast concrete panel or slab to enable the panel to be lifted, positioned atop a road bed, and elevated above the road bed. A lifting apparatus is located at each corner of the panel. Each lifting apparatus has a threaded sleeve extending through the panel to receive a removable threaded lifting bolt by which to establish a lifting point at which a lifting force is applied to lift and position the panel. When the threaded lifting bolt is rotated completely through the threaded sleeve, a pushing force is applied against a base plate, whereby to elevate the panel above the road bed as is necessary to make the panel level with adjacent panels during the construction or repair of a roadway. Grout is pumped through the panel to fill the space between the panel and the road bed.

Abstract: This cement mortar panel with prestressed biaxial reinforcement is formed by a slab of cement mortar which, having a thickness ranging from 2 to 7 cms, includes a biaxial reinforcement. The slab has occluded in the cement mortar mass means for versatile operating on the panel assembly allowing for its handling and/or fixation to a building structure, which versatile operating means constitute of themselves, on one part, means for retaining them in the set mass of cement mortar and, on another part opposite to the former, anchoring means either for panel handling members or members for its fixation to the building structure.

Abstract: Disclosed herein is a large concrete block for crane lifting. The large concrete block includes a large concrete block body (110) made of concrete, and a connection-wire-rope insert tube (120) made of synthetic resin. The connection-wire-rope insert tube is embedded at a medial portion thereof in the concrete block body in such a way that opposite ends of the connection-wire-rope insert tube are disposed at an upper surface of the concrete block body and oriented upwards. The present invention having the above construction can solve problems which have been caused in the conventional technique that uses a lifting eye member.

Abstract: A precast pervious concrete panel is formed in a containment vessel under controlled conditions and allowed to reach an acceptable strength before removal from the containment vessel, thereby producing standard sizes or shapes for installation in the field. Each piece of pervious concrete may include slots cut into the piece at predetermined locations allowing installation of a joint connector; either dry or with a bonding material thereby allowing connection of multiple pieces into a solid slab. A strip material may be used under the slab joints to dissipate load bearing and allow the panels to slide together when picked up by the embedded lifting device. Multiple pervious concrete pieces can be combined with a collection system allowing collection/reuse of water passing through the panels. Precast pervious concrete panels can be used as inserts in ready mix or cast in place concrete frames allowing for easy replacement of the pieces.

Abstract: A weldment that is embedded in a concrete slab-type structural member. There is a central plate having a planar, weldable surface and disposed along an outer edge of the concrete slab. A pair of divergingly extending arms extends from the weldable surface and is embedded in the concrete slab. One or both of the extending arms has an irregular upper edge to engage the surrounding concrete. The irregular edge may be a series of v-shaped notches or v-shaped raised portions or any combination forming a saw tooth configuration. A method of manufacturing the weldment in the concrete slab is accomplished by locating the weldment in a mold and fastening a cap around the central plate. The weldment and cap are attached to the mold. After the concrete is poured and hardens into the slab, the cap is removed exposing a clean weldable surface.

Abstract: A reinforcing bracket has a planar central portion extending parallel to the reinforcing members with at least one central opening to receive a lifting anchor. Two V-shaped wings extend out of the plane of the central portion from the opposing ends of the central portion. Sets of aligned openings pass through these wings to receive reinforcing members.

Abstract: A metal flange connection for concrete flanges comprising end members exposed at facing ends of a pair of adjacent, generally horizontal concrete flanges and a connecting member between the end members. Each of the end members has a surface along the end of the concrete flange and the connecting member has a first portion extending between the end members in a first generally horizontal plane and a second portion extending between the members in a second generally horizontal plane above or below the first generally horizontal plane. The first and second portions are connected by a third portion extending between the members and the first and second planes. The connecting member portions provide resistance to a force tending to translate the concrete flanges in a vertical direction with respect to each other.

Abstract: An edge lift anchor for a concrete product, the anchor having a head portion for coupling to lifting equipment and an anchoring portion, and a separate member mounted on the anchor and having integral legs extending to each side of the anchoring portion to increase the lifting capacity of the anchor. Alternatively or in addition, the separate member may provide a mounting for a tension bar to increase the lifting capacity. The invention also provides a support chair for retaining the edge lift anchor, together with an associated shear bar and tension bar if present.

Abstract: A shear bar for an edge lift anchor for a concrete panel, the shear bar being a bar of rectangular cross-section shaped to engage an upper edge of the lifting anchor when installed in the panel, the bar having opposed large area faces and opposed smaller area faces and the bar being so shaped that when engaged with the upper edge of the lifting anchor one of its opposed large area faces will face towards the upper surface of the panel in the casting configuration of the panel.

Abstract: A shear bar for an edge lift anchor for a concrete panel, the shear bar being a bar shaped to provide a central portion to engage an upper edge of the lifting anchor when installed in the panel and legs inclining downwardly from each end of the central portion, the underside of each leg being profiled to lock into the surrounding concrete, the profiling being formed by a series of longitudinally spaced formations each of generally saw-toothed shape with a leading edge of each formation facing towards the central portion such that on application of shear load to the shear bar the leg will lock into the concrete with a generally compressive loading being applied to the concrete in the zone between the two legs.

Abstract: A handling anchor for lifting, raising, turning over, transporting, and laying building elements, such as precast blocks or panels, essentially made of concrete and to be connected to a building element. The anchor includes a connecting head for connecting the building element to a handling machine, and a body portion including active parts that, when the anchor is connected to the construction element, ensure the adhesion of the anchor to the material of the building element. The body includes at least one land including at least one face.

Abstract: An anchor for construction elements, such as concrete panels, and including at least one flat part, an upper part for hanging on a handling engine and extending along a principal plane and a lower part for anchoring in the construction element. The lower part has two arms diverging in the direction of the lower end of the anchor, extending outside the principal plane, and forming, between them, an angle.

Abstract: A collar for a concrete component lifting anchor including an attachment portion for attaching the collar to the lifting anchor, and an abutment portion adapted to provide a clutch abutment surface for limiting rotation of a clutch relative to the lifting anchor.

Abstract: An anchor for use in lifting a concrete component, said anchor comprising a single length of wire bent to form a head engagable with a clutch of a lifting system, and a body portion for embedment with the concrete component, wherein the wire is bent such that opposed legs of the body portion extend in a plane substantially perpendicular to a plane of the head portion.

Abstract: A relocatable concrete armory includes an outer vestibule and an inner vault separated by a dividing wall. A vestibule door provides entry to the concrete vestibule. A steel vault door and a security daygate are mounted to the dividing wall and provide entry to the concrete vault. The interior surface of the armory includes insulation panels embedded in concrete. The armory can be integrally lifted via removable lifting cams attached to concrete side walls. The concrete has a compressive strength of at least 15,000 psi.

Abstract: A chair for supporting an edgelift anchor for use in lifting a concrete component, said anchor comprising a head portion engagable with a clutch of a lifting system, and a body portion for embedment with the concrete component, wherein the chair has surfaces configured for supporting the edgelift anchor relative to a casting surface during casting of the concrete component.

Abstract: An anchor for embedment in a concrete slab to provide for the lifting of the slab comprises first and second elongate plates adapted to be arranged in facing relationship for form a composite anchor. Each of the first and second plates has a distal end and a proximate end and at one hole between the distal and proximate ends. The proximate end of each plate has a flange bent outwardly of the outer planer face thereof. The distal end of each plate has laterally projecting feet that are bent laterally of a planar face. The side edges of each of the plates have converging side edges that extend downwardly to the feet.

Abstract: A composite reinforcing bar is formed by providing a reinforcing material supply of fiber strands rovings; a resin supply bath, and a puller for pulling the resin-impregnated reinforcing material through the resin bath. The material is wound on a holder, while the resin remains unset, rotated about its axis on a drive system so that the material is wrapped around a plurality of bars at spaced positions around the axis such that the fed length of the body is wrapped from one bar to the next to form bent portions of the body wrapped partly around each bar and straight portions between the bars. Each bar has angularly grooves which are shaped to mold the bent portions to a required bent shape. The holder is indexed along it axis and removed when full for curing the resin on the holder while the body remains wrapped thereon.

Abstract: A weldment that is embedded in a concrete slab-type structural member. There is a central plate having a planar, weldable surface and disposed along an outer edge of the concrete slab. A pair of divergingly extending arms extends from the weldable surface and is embedded in the concrete slab. One or both of the extending arms has an irregular upper edge to engage the surrounding concrete. The irregular edge may be a series of v-shaped notches or v-shaped raised portions or any combination forming a saw tooth configuration. A method of manufacturing the weldment in the concrete slab is accomplished by locating the weldment in a mold and fastening a cap around the central plate. The weldment and cap are attached to the mold. After the concrete is poured and hardens into the slab, the cap is removed exposing a clean weldable surface.

Abstract: A system for hanging items from a modular building panel is disclosed. One embodiment of the system includes a modular building panel with a hole in the panel, a hanging member, with a load distribution plate, and an attachment shaft, and an attachment means at the end of the attachment shaft. Several embodiments of the present invention are described.

Abstract: An edge-lift anchor for tilt-up lifting of a concrete component has, at a lower part of its head an element for anchoring the head against shear forces acting during the tilt-up phase of lifting. Such element comprises an aperture to receive concrete, an aperture to receive a reinforcing bar, or a shear plate welded to the lower edge of the head.

Abstract: A device that attaches to the rebar used to manufacture a concrete item and is left in place as the wet concrete is placed within the form for the concrete item and allowed to cure. The device is a hollow, walled, generally cup- or half disc-shaped structure having an outer forming wall and a hollow interior. The device may be a unitary or two part construction having an upper section, a lower section, upper rebar braces, lower rebar braces, and anchor holes. Anchor holes extend through the anchor recess former providing for a passage from the hollow interior to the outside. Upon the curing of the concrete, the present invention becomes an integral part of the concrete item, creating a uniform recess and exposing an anchor that can be used to lift the concrete item.

Abstract: A relocatable concrete armory includes an outer vestibule and an inner vault separated by a dividing wall. A vestibule door provides entry to the concrete vestibule. A steel vault door and a security daygate are mounted to the dividing wall and provide entry to the concrete vault. The interior surface of the armory includes insulation panels embedded in concrete. The armory can be integrally lifted via removable lifting cams attached to concrete side walls. The concrete has a compressive strength of at least 15,000 psi.

Abstract: A wall molding system using two (2) prefabricated panels, with finished exterior surfaces placed parallel to each other and held from the inside by separators-anchors. The panels may also use exterior fasteners to hold the weight and pressure of the concrete. Insulating material and structural reinforcements may also be placed inside the mold. Concrete would be used to fill the spaces between the panels.