Abstract: This invention relates to a method for entire removal of a space truss, and an assistive support mechanism therefor. The assistive support mechanism is arranged on a vertical support rod of a truss structure, the assistive support mechanism comprises an assistive support assembly, a lattice support member, and a conversion platform. The lifting assembly is arranged at a top of the conversion platform and comprises a stranded wire, a lifting member, and a control member. The method for entire removal of a space truss comprises mounting the assistive support mechanism, and performing initial removal of the truss structure; lowering the truss structure; and then performing secondary removal of the entire space truss. The major removal work is done on the ground, thereby reducing the requirement for removal-assisting measures and the operational risks, and improving the working efficiency.

Abstract: An improved manhole alignment and locking assembly for use with a manhole removal tool. The locking and removal assembly provides for a portable adjustable manhole interior engagement plate, that once positioned and locked, provides for alignment of the manhole cutting and removal tool and subsequent lifting and transportation of the manhole from the street for repair or replacement.

Abstract: A formation aid, for use in the forming of receptacles in a swimming pool, includes a three-dimensional body having an essentially conical shape. The three-dimensional body of the formation aid includes a narrow end, for placement near an interior edge of the swimming pool during formation of the swimming pool; and a wide end, for placement remote from the interior edge of the swimming pool, in order to form a receptacle.

Abstract: The invention provides components, structures, methods, and assemblies for controlling sedimentation and debris flow associated with soil erosion. The invention also provides components, structures, methods, and assemblies that are useful for anchoring fiber rolls along a sloped surface.

Abstract: Systems, methods, and articles of manufacture provide for a mold system for molding structures (e.g., sand castles) from one or more various types of molding substances (e.g., sand, clay, snow). In one embodiment, a mold system comprises a split mold comprising at least two mold sections. In one embodiment, a modular mold system allows for different types of mold sections with corresponding joining elements to be joined together to create forms for molding various types of structures. In some embodiments, mold sections are configured to facilitate the breaking of a vacuum created when molding substances are packed into the mold system, thus making it easier to separate a mold from the formed structure.

Abstract: The invention concerns a processing apparatus for processing an upper segment edge of a pylon segment of a concrete pylon for preparing the pylon segment for placement thereon of at least one further pylon segment. According to the invention it is proposed that the processing apparatus includes a processing means for processing the segment edge, and a carrier apparatus to be fixed in the region of the segment edge for displaceably carrying and guiding the processing means along the segment edge.

Abstract: The system comprises a limited number of equal groups of formwork pieces, each group comprising: —intermediate pieces (1) of constant curvature and width along the entire length thereof and—end pieces (2) forming two symmetrical lateral corners of triangular or trapezoidal outline, with a curvature equal to that of the intermediate pieces. This system allows for forming, with the same groups of pieces, successive formwork segments of varying or constant section for building towers. The invention also includes a building method and the tower thus obtained.

Abstract: A collar for repairing a marine support has a tubular upper segment, a tubular lower segment, and a middle segment providing a transition region between the upper and lower segments. The collar can be opened and closed along a slit extending from the upper end of the collar to the lower end of the collar. To repair a marine support, the collar is opened and positioned so as to surround the marine pile and the extension. The collar is then closed and secured along the slit. The upper end of the collar is secured to the extension, and the lower end of the collar is secured closely along the perimeter of the pile. A flowable fill material is then injected into spaces between the collar and the marine support, filling or encasing voids or damaged areas on the marine support.

Abstract: The present invention relates to a formwork anchor receptacle as well as to a formwork anchor which are used in the field of construction. Furthermore, the invention relates to a formwork element. The formwork anchor receptacle is adapted to receive an anchor rod provided to connect formwork elements. The formwork anchor receptacle comprises a section with an opening for insertion of an anchor rod and a spherical section for providing support against a formwork element.

Abstract: A high mechanical strength reinforcement steel comprising, in addition to iron, at most about 0.5% by weight carbon, at most about 0.5% by weight vanadium and/or niobium, and the usual residual elements of scrap steel. A method of reinforcing a dwelling from damage resulting from seismic activity, the method comprising providing, as a component of the dwelling, at least one rebar of a composition comprising, in addition to iron, at most about 0.5% by weight carbon, at most about 0.5% by weight vanadium and/or niobium, at most 1.7% by weight of manganese, at most 0.5% by weight of silicon, and the usual residual elements of scrap steel.

Abstract: A form work system is disclosed. The form work system may include a pair of fiberglass hollow-core sheets forming an internal cavity that receives concrete to form a structure. The pair of fiberglass hollow-core sheets includes a top fiberglass sheet and a bottom fiberglass sheet and a plurality of fiberglass vertical supports coupled between the top fiberglass sheet and the bottom fiberglass sheet to form a plurality of internal channels. The form work system rebar fasteners extend through the pair of vertical supports, the pair of fiberglass hollow-core sheets, the internal cavity and the concrete to form the form work system.

Abstract: A process and form for casting a concrete light pole base having a decorative upper portion with a configuration for mounting a light pole. The form includes a base having an opening in which a resilient insert is positioned. The insert has openings for holding threaded ends of mounting bolts and for positioning wiring conduits. Ends of the bolts extend from the insert into the mold cavity. Different inserts may be used to accommodate different light pole mounting specifications. A first form section for shaping a decorative upper portion of the light pole base is positioned on the base, and forms for shaping the cylindrical lower end of the light pole base are secured above the first form section.

Abstract: The present disclosure provides methods to fill large holes rapidly with polyurethanes by injecting polyurethanes in a plurality of containers having volumes less than the volume of the hole to be filled, letting the polyurethanes cure in the containers, and using the polyurethane-filled containers to fill the large hole. Additional filling polymers may be added in between and on top of each layer of polyurethane-filled containers.

Abstract: A support (32) adapted to be used in place of ballast in supporting a rail support member (31) of a rail track comprises a body (50). The body (50) includes a lower face (70) for resting on a support surface, and an upper surface (71) for supporting the rail support member (31).

Abstract: A collapsible cardboard concrete form is disclosed. In a particular embodiment the form includes a cardboard box beam having a depressed longitudinal section along an outer portion of its length for added structural integrity. A lateral notch is disposed in the outer portion of the form at intervals and across a width of the form to divide the form into what will be the sides of the form when assembled. The lateral notches include a flexible planar connector of an inner portion of the form to allow the notch to act as a hinge and bend to create each corner of the form. A tab extends from one end of the form and is used to tuck in an opposing end of the form. The surfaces of the form may be coated with wax, or other sealant, to prevent moisture damage to the form as the concrete is curing.

Abstract: The invention comprises a concrete form. The concrete form comprises a first panel having a first primary surface for contacting plastic concrete and a second primary surface opposite the first surface; and a second panel having a first primary surface and a second primary surface opposite the first surface, the second panel being attached to the first panel so that the first primary surface of the second panel is adjacent the second primary surface of the first panel. The concrete form also comprises a layer of radiant heat reflective material and a layer of insulating material disposed between and covering the second primary surface of the first panel and first primary surface of the second panel. A method of using the concrete form is also disclosed.

Abstract: A method and an apparatus for the protection of a railroad rail, a direct fixation plate or another support unit, a rail to rail connection and a rail to plate connection contacting with concrete upon placing of concrete during construction. The method comprises a step of disposing a mask over a railroad track having a railroad rail, a rail connector and a rail tie to protect the railroad track while placing concrete, the mask configured to cover the rail connector and tie. The mask has a connecting portion, a central portion, an extending portion configured to mask an upper longitudinally extending portion of a railroad rail, and at least one perpendicular section disposed to cover a railroad tie, direct fixation plate or other support unit.

Abstract: This disclosure describes devices and methods for forming voids in or adjacent concrete structures. In some embodiments, a device may include a structure. The structure may be substantially planar. The structure may include a plurality of channels extending therefrom. In some embodiments, the channels are closed at a first end distal from the structure. In some embodiments, the channels are open at a second end proximal to the structure. In some embodiments, the device may be formed from a molded pulp. The molded pulp may be configured to inhibit penetration of water. In some embodiments, the device may be configured to substantially support poured concrete during at least a portion of a curing process of the poured concrete.

Abstract: A concrete structure kit comprising a dry powdered concrete mixture contained within a shaped container or packaging is provided. In use, the packaged dry concrete mixture is placed in a desired location, water is added to the dry mixture in an appropriate amount, and the concrete is allowed to set in the shape of the container. After the concrete has hardened, the container may be removed from the outside of the concrete structure and discarded. In a second embodiment, a modular concrete mold system is provided, which includes a series of interlocking pieces having various shapes, such as straight sides, curved sides, corners, acute and obtuse angles, and the like. This arrangement allows a user to form a concrete mold into a variety of different shapes, as desired.

Abstract: A mould for constructing a protection and securing element of the mattress type comprises an upper frame (10), a lower frame (30) and a plurality of dies engaged in the lower frame and particularly suitable during use for receiving cement material. The upper and lower frames are modular structures which each comprise a plurality of carrier elements which are selectively connected to each other, the number and/or length of the carrier elements being variable, during use, so as to vary the length and/or the width of the mould.

Abstract: An improved method and apparatus for making structures and forts out of snow or other types of formable material. The apparatus includes a collapsible and stackable form comprising a plurality of vertical wall members connected along adjacent vertical edges to form a geometric volume that include support openings along its wall members lower edges for receiving a support member, and further having an open top and bottom perimeter which allows the stackable form to be continuously filled, removed and stacked on top of previously formed block members thus allowing the user to create multiple tiered structures.

Abstract: The oil and gas well pad foundation form system isolates a concrete pour from the well head and provides blockouts for piping installation. The system can be removed after concrete pour and set up and reused countless times. The system is provided in different sizes with blockouts in varying locations as desired. Multiple well heads can be prepared for within a given cellar, simultaneously.

Abstract: An upper-bearing typed movable formwork used for cast-in-situ of concrete box girder in bridge engineering, comprising left and right legs (7) which are respectively fixed on a pier, left and right longitudinal/transverse sliding mechanisms (9), bearing devices and a template system.

Abstract: A concrete structure kit comprising a dry powdered concrete mixture contained within a shaped container or packaging is provided. In use, the packaged dry concrete mixture is placed in a desired location, water is added to the dry mixture in an appropriate amount, and the concrete is allowed to set in the shape of the container. After the concrete has hardened, the container may be removed from the outside of the concrete structure and discarded. In a second embodiment, a modular concrete mold system is provided, which includes a series of interlocking pieces having various shapes, such as straight sides, curved sides, corners, acute and obtuse angles, and the like. This arrangement allows a user to form a concrete mold into a variety of different shapes, as desired.

Abstract: The invention concerns a half shell element (10) for the production of a hollow body with an identical further half shell element (10), with at least one guide (20 . . . 20??) for the further element (10), which is constructed in the region of a first half periphery (11) of its encircling edge (12), so that the further element (10) can be pushed onto the half shell element (10) from the second half periphery (11?) of the edge (12) lying opposite this first half periphery (11) and guided on the edge (12) and held in a final position. The hollow bodies which are thus produced can be both inserted into steel cages and also connected with each other via bars and built into concrete layers.

Abstract: The present invention addresses the need for a water pump that may be constructed from inexpensive materials available even in impoverished areas. The pump uses a simple rocking motion to pump water and can pump significant amounts of water from sources that otherwise could not be reached. In a preferred embodiment, the pump comprises three concrete chambers, a pumping platform adapted to rock in a see-saw fashion, and a plurality of valves to control the flow of water. The first two chambers contain diaphragms that, as a result of rocking the pumping platform, draw liquid into the chambers and force liquid from those chambers into the third chamber. Two valves selectively permit liquid to be drawn into the first and second chambers, and prevent the liquid from exiting the chambers and returning to the source. Third and fourth valves allow liquid to flow from the first and second chambers into the third chamber, and prevent the liquid in the third chamber from flowing back into the first or second chambers.

Abstract: This invention relates to a method of treatment and disposal of drilling waste, contaminated sediments and residual waste including the steps of providing drilling waste, contaminated sediments, residual waste or other disposable material, grinding or crushing the material, mixing the material with at least one binder, using material exhibiting a maximum particle size of less than 5 mm; transferring the mixture to a disposal device placed in a benthic zone and allowing the mixture to cure in the disposal device. A disposal facility formed by the method of this invention is described.

Abstract: A method for construction of a concrete platform for use in slab track railroads, comprising supporting a tie plate and rail on a concrete form for casting the concrete platform. The concrete form includes a horizontal form positioned below the tie plate, that supports a cast in place fastener system that is imbedded in the surface of the concrete platform and secures the tie plate to the concrete platform. The horizontal form comprises a removable or sacrificial insert that is cast into the surface of the concrete platform. Materials such as expanded polystyrene can be used to make sacrificial inserts that can be removed by dissolving with solvents such as dibasic esters. After the concrete platform is cast, the removable insert is removed and the resulting cavity is filled with a filler material, all without the need to disassemble the tie plate and rail.

Abstract: A system for fabricating a septic tank using an outer mold and an inner removable plug, between which hardenable fluid material is poured. Preferably, the plug and mold are positioned with respect to one another in a manner that permits a septic tank to be fabricated in a single pour.

Abstract: Provided is a process for producing a concrete platform to which an object to be supported is fixed, including: a step of forming form having a pair of concrete side walls and a concrete bottom slab that connects the pair of side walls (S2); a step of setting the form on a plurality of piers (S3); and a step of pouring concrete into the form that is set on the plurality of piers (S6).

Abstract: A pre-pour sleeve system having a sleeve body and a key that cooperate to form a void in a floor, wall, or other structure. The sleeve body includes a first termination end and a second termination end defining a gap therebetween, each termination end including a mating sleeve feature. The key includes at least one mating key feature adapted to mate with each mating sleeve feature of the body, said key further having a key body that fits into the gap of the sleeve body. In an engaged position, the key is mated with the sleeve body to form a substantially continuous shape, around which concrete or other material is poured. After the concrete sets, the key is disengaged from the sleeve body, allowing the sleeve body to compress and be removed from the floor and reclaimed.

Abstract: The invention is a frame for use with formwork to support the formwork for concrete casting and for stripping formwork from a concrete surface where a frame is moveable between a first and second position that supports and holds formwork in place for concrete casting in a first position and that retracts to a second position so as to lower the formwork away from the concrete surface wherein sufficient force is applied to the formwork as the frame retracts to the second position to strip it from the concrete surface. The invention provides a means of both supporting formwork during concrete casting as well as a means of stripping and lowering the formwork after the concrete is cast.

Abstract: A forming device (4) is provided to create a recess when casting a part (1), particularly made from site-cast concrete. The forming device (4) is includes elements (6, 7, 10) that allow a subsequent fastening of a tensile stress compensating element (3) in the area of the recess by filling in a curing and/or curable filler, particularly concrete. Furthermore, an appropriate method is suggested, which includes the processing steps: limiting an area corresponding to the recess using a formwork, particularly using the forming device (4); arranging elements (6, 7), particularly at least one reinforcement element in the area of the recess, which allow for a subsequent fastening of an element (3) to compensate tensile stress in the area of the recess by filling in a curing and/or curable filler, particularly concrete, with the elements (6, 7) extending through the formwork inside the limited area and outside the limited area in the direction of the part (1); and casting the part (1).

Abstract: A concrete lid for an in-ground utilities box includes a plastic reinforcement structure filled with concrete. The plastic reinforcement structure includes one or more plastic sidewalls that protect the edges of the lid from damage. The upper and lower surfaces of the lid are exposed concrete (with the exception of the upper and lower edges of the one or more plastic sidewalls). The one or more plastic sidewalls laterally surround a plastic reinforcement grid, which is centrally located between the upper and lower edges of the one or more plastic sidewalls. The one or more plastic sidewalls can be integrally formed with the plastic reinforcement grid. The plastic reinforcement grid reinforces the concrete lid, eliminating the need for separate reinforcement material. Support struts can be used to support the plastic reinforcement grid while wet concrete is being poured into the plastic reinforcing structure.

Abstract: A multi-purpose part (32), comprising: a frusto-conical projection (322?) in a lower end INF; a frusto-conical housing (322) in an upper end SUP, arranged to match the frusto-conical housing (322?); a falling mortar pipe (326) extending from the upper end SUP to the lower end INF of the pillar and having, at the lower end (INF), a portion (326?) which curves from a downward vertical plane toward a front face of the frusto-conical projection (322?) for the introduction of mortar; a rising mortar pipe (327) extending from the lower end INF to the upper end SUP of the pillar and having, at the lower end INF, a portion (327?) which is bent from a horizontal plane toward an upward vertical plane so that the mortar introduced rises until a cavity defined by the mortar pipes (326, 327), the frusto-conical housing (322) and the frusto-conical projection (322?) is filled.

Abstract: The invention disclose a method and formwork for casting concrete or concrete like elements where said elements may have an amorphous shape, wherein the method comprises the following steps: —in a block of formable material having a size larger than the element to be cast, a model of the element is cut out, thereby creating an inner formwork; —an outer load bearing support structure having an inner size corresponding to the outer dimensions of the block is created; —the parts of the block not representing the model are arranged in the interior of the load bearing support structure, thereby creating a cavity corresponding to the model; —optionally reinforcement is arranged in the cavity; fresh concrete or other concrete like material is poured into the cavity and allowed to cure; —the outer load bearing support structure and the inner formwork are removed.

Abstract: A sideform assembly (9) includes a sideform (11) defining an attaching formation (13?, 14?) on an operatively rear wall (12). A mounting bracket assembly (10) comprises a connector plate (16) for supporting the sideform (11) and includes an engaging component (21) for engaging the attaching formation (13?, 14?) of the sideform (11). A mounting member (18) is carried by the connector plate (16) for mounting the connector plate (16) to a substrate.

Abstract: This patent application is for devices and methods for forming lifting pockets in concrete structures. In some embodiments, a lifting hook or other lifting device may engage rigid or flexible cables or other structures accessible in the pocket to facilitate movement of the concrete structure.

Abstract: A stop element for a concrete formwork, includes a base member (11) having a base (12) for mounting the stop element on a constructional component and having a through-opening (13) provided with an abutment (14) for a fastening element, and at least one stop surface (16) for a formwork wall (30). The stop element further includes and at least one support member (20) extending in a direction away from the at least one support surface (16) and having at least one foot (23) spaced from the through-opening (13), in a direction perpendicular to the at least one stop surface (16), by a distance (G) greater than (the distance (F)) the at least one stop surface (16) is spaced from the through-opening (13).

Abstract: The invention relates to a formwork system with a formwork support preferably for supporting at least one formwork piece, and a magnet device, movably coupled to the formwork support, for fixing the position of the formwork support on a formwork base, wherein the magnet device has a magnet member, which can be transferred between a raised position, in which the formwork support can be moved together with the magnet device relative to the formwork base, and a lowered position in which the formwork system is magnetically fixed relative to the formwork base. Advantageously, with the present invention the magnet device for transferring the magnet member between the raised position and the lowered position is movable relative to the formwork support.

Abstract: A concrete form with a keyway with an opening between opposing keyway lips together with a base that fits through the keyway opening and rotates without restriction in the keyway such that a portion of the base rests behind the keyway lips so when it is pulled as a clamp or tie is exercised to secure a stake to the form the base is secured tight against the form front. The concrete form further has at least one brace wall extending between intermediate the keyway back wall and the form back. Form end connectors securable in form ends are provided that join two forms aligned end to end.

Abstract: A drainage catch basin is formed from a rectangular trough with a planar upper rim defined by at least two opposite sidewalls and includes at least one inner wall forming a lower rim to define the gutter opening for flush mounting with the curb. The basin is covered by a top with a planar bottom that preferably includes a central circular manhole cover. The top is preferably formed by first providing a mold having a bottom and side frame of steel plates reinforced by a galvanized steel nosing and crossing rebar. The mold is then filled by concrete casting while installed on the catch basin trough to match the exterior color and/or finish of the adjacent sidewalk, street and/or curb.

Abstract: A riser section and cover is disclosed. The riser section has a smooth cylindrical sidewall surface, a removable anchor tab on the exterior surface and bosses and ribs on the inside of the sidewall. The riser sections are stackable. The cover has a channel end to removably connect to a riser section. The cover has stowable handles and posts extending from a bottom surface that define wells open at a top surface and which posts fit into the wells of another cover. A bracket is disclosed to releasably secure and position the cover with an attached riser section on a concrete form wall to hold the riser in place while concrete is poured into the form.

Abstract: A riser section and cover is disclosed. The riser section has a smooth cylindrical sidewall surface, a tapered end and a channel end, a removable anchor tab and bosses and ribs on the inside of the sidewall. The riser sections are stackable. The cover has a channel end to removably connect to a riser section. The cover has stowable handles and posts extending from a bottom surface that define wells open at a top surface which fit into the wells of another cover. A bracket is disclosed to releasably secure and position a cover with attached riser section on a concrete form wall.

Abstract: It is constituted by several plates (1), provided in its outer side (4) with transverse ribs (5), formed by C-shaped profiles and joined together to form a prismatic contour (7), closed by the inner flat sides of all the plates, the plates comprising a means of mutual fixing and detachable means of immobilization. The means of mutual fixing are constituted by hinges (8), fixed to the edges of the plates, and by corresponding oblong orifices (9), evenly distributed on the plate (1) in transversal direction. The means of immobilization are constituted by a through hole (11) made in the shaft of each hinge (8) and by a sliding element (12) provided with a wedge-shaped end (13).

Abstract: A construction stake assembly 10 having a first support member 12 and a first receptacle 14. The first support member 12 includes a first end 16 and a second end 18. The first receptacle 14 is disposed on the first support member 12 and receives a form 28 for defining a perimeter of a mold 30. A curable substance 32 is disposed in the mold 30 and allowed to cure, thereby forming a hardened structure 34 such as a concrete slab or the like. The first receptacle 14 includes a base 36 and a pair of spaced sides 44, 46. Each of the spaced sides 44, 46 extend upwardly from the base for defining a channel 48 therebetween.

Abstract: It is to obtain a molded product which has a high strength and which is excellent in surface smoothness and freezing damage resistance.

Abstract: A spacing tool to be inserted between a form and a foundry furnace during installation of the form in the foundry furnace comprises a first longitudinally extending member to contact the foundry furnace. A second longitudinally extending member is coupled to the first member. The first and second members define opposed surfaces to contact the form and foundry furnace respectively. The second member is moveable relative to the first member to alter the distance between the opposed surfaces and set the spacing between the form and the foundry furnace. During a foundry furnace relining process, a plurality of spacing tools are used at circumferentially spaced locations to center the form within the foundry furnace.

Abstract: A hearth form is utilized for pour-forming a fireplace hearth in the absence of eventual removal thereof from an opening established by floor joists and a conventional concrete masonry unit. The hearth form is preferably constructed from two relatively slidable body portions which may be reinforced by inter-engaged parallel channels or grooves. The body portions collectively define a chamber or cavity into which concrete can be poured. A peripheral wall defined in part by side walls and front walls carry brackets for establishing a predetermined space between the hearth form and floor joists, not just for supporting the hearth form upon nails or fasteners and nail centering marks for establishing the location of fasteners to assemble the hearth form in an associated floor opening.

Abstract: Formwork for surfaces varying in curvature has a face sheet adjustable with respect to its curvature, girders supporting the face sheet and applied to the girders, in spaced relationship to the face sheet, there is a boom system which is composed of individual boom members bridging the girders and is suitably attached to the girders at the outsides thereof averted from the face sheet. Adjustment of the curvature of the face sheet is carried out by altering the effective length of the boom members between the girders. The mutually opposed formwork elements are adapted to be braced together by means of formwork anchor ties. A crosspiece in the form of a boom member is applied to a formwork element at at least two girders and simultaneously serves as an abutment for the formwork anchor tie, the latter therefore being arranged between and having its reaction forces transferred to the two girders.