Abstract: An anchor for a vertical formwork having two formwork panels facing one another. The anchor is suitable for being fixed to one of the formwork panels. The anchor includes a housing for receiving a part of a tie rod fixing the two formwork panels and sealing means configured for sealing the anchor with respect to the formwork panel in which it is fixed and with respect to the tie rod housed in the housing of the anchor.

Abstract: Crane-support apparatus for mounting a tower crane onto a side of a high-rise building under construction, enabling ascending of the tower crane according to the upwards progression of the building construction, including a chassis configured to support a climbing frame of the tower crane mast, and at least one reinforcement element. A distal end of the chassis is hingedly attached to the distal end of the reinforcement element. In a deployed, support mode, the chassis is aligned in a horizontal position, and the reinforcement element is aligned in a slanted position. In a folded, mobilization mode, the chassis and the reinforcement element are configured to be pulled by at least one lifting cable at the distal end of the chassis and the reinforcement element with the chassis and the reinforcement element hingedly folded and aligned in vertical positions. A method for using the apparatus in both modes is also provided.

Abstract: A wall module for a modular wall structure integrates a wall panel portion with a post portion having bottom extensions and at least one groove for receiving a distal end portion of a wall panel portion of an adjacent module. The bottom post extension may be suspended in a post hole and anchored with a material such as concrete.

Abstract: The present invention provides a device (34) for connecting two parts (18, 24) of a negative mould for producing shaft bottom parts (12) from concrete, comprising: a positioning element (46) comprising a holding portion (58) for holding the first part (18) of the negative mould on the positioning element (46) and with a positioning projection (50) that can be pressed into a second part (24) of the negative mould, such that the positioning element (46) and the first part (18) of the negative mould are provisionally held on the second part (24) of the negative mould, and a fixing screw (38) that engages with the first part (18) of the negative mould and can be screwed into the second part (24) of the negative mould, in order to press the first part (18) against the second part (24) and to fix it thereto.

Abstract: An apparatus for supporting communication equipment in an underground mine includes a pair of vertically extending laterally spaced and substantially parallel elongate members, a pair of horizontally extending members, each depending from and extending outwardly from proximate a lower end of a respective elongate member a distance approximately equal to a thickness of a power supply, an upper shield member attached to and extending outwardly from proximate an upper end of the pair of elongate members in the same direction as the pair of horizontally extending members, extending a distance approximately equal to a depth of power supply and having a width approximately equal to a width of the power supply, and a flexible sheet of material disposed over the pair of elongate members from below the upper shield to above the pair of horizontally extending members that is held in place by the communication node.

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: The present invention relates to a method of manufacturing watercourse blocks continuously arranged in the construction spot, which continuously arranges the watercourse blocks according to the construction spot by preparing iron bar grates to be orthogonal to each other inside molding frames that are continuously arranged, casting concrete, preventing moisture evaporation and frost damage and employing iron bar grates so that the watercourse blocks continuously arranged according to the construction spot can be manufactured and constructed on the spot. Therefore, works for manufacturing the watercourse blocks in a plant and then assembling or fixing them in the construction spot according to the related art can be reduced as much as possible, the watercourse blocks can be simply manufactured and constructed on the spot to reduce a manufacturing cost and a construction time, which can thus significantly reduce the prime cost of the construction cost and diminish accident risk.

Abstract: Armor units for rubble mound structures including breakwaters, revetments, groins, jetties, and the like. Embodiments are appropriate for ocean, river, lake and reservoir structure armoring, to prevent erosion from damaging hydrodynamic forces resulting from waves and water currents, and the like. An embodiment includes a central rectangular section, three “half H-shaped” appendages, two identical frusta (end members), and a flat bottom with two extrusions, nominally smaller than other appendages and frusta. An embodiment is symmetric about two perpendicularly intersecting vertical planes extending through the centroid of the unit. The three half H-shaped members are connected to outer parts of a side defined as the top and the two longitudinal sides of the central section. The three half H-shaped members and the two end members comprise four-sided frusta that taper from a base at the central rectangular section to four-sided distal ends. For select embodiments, the frusta are generally symmetric.

Abstract: An alignment device is disclosed use in maintaining the alignment of longitudinal frame members of a trench-forming assembly. The alignment device comprises a cross member. Extending in the same direction from opposite ends of the cross member is at least one pair of first lateral extensions. The pair of lateral extensions is spaced apart so as to contact the respective longitudinal frame members of the trench-forming assembly, and thereby maintain the two frame members at a distance relative to each other. The alignment device may further include at least one interior extension extending from the cross member in the same direction as the pair of first lateral extensions. In this embodiment, the interior extension defines a slot between the interior extension and at least one of the first lateral extensions, where the slot is structured is to receive at least a portion of one of the longitudinal frame members.

Abstract: A device is provided for preventing shoreline erosion and for rebuilding the sand beach along the shoreline of a large body of water. A series of the devices are placed in side-by-side relation essentially parallel to the shoreline. The device includes a hollow plastic structure fillable with a heavy material, such as cement. The structure has a trapezoidal configuration to lower the center of gravity of the device and includes inclining front and rear walls converging toward each other to the top wall. The hollow plastic structure includes a plurality of tubular members extending from the front wall to the rear wall. The front and rear walls have access apertures opening to the tubular members. The tubular members gradually taper from a predetermined diameter at the access apertures in the front wall to half of the predetermined diameter at the access apertures in the rear wall to reduce the velocity of the flow of water to the large body of water.

Abstract: A drainage channel installation device comprises a channel-securing member and a channel-hanging member. The channel-securing member releasably engages the channel-hanging member and has opposed ends that are adapted to be releasably secured to the opposed side walls of a drainage channel. The channel-hanging-member has both an engaging end that is adapted to releasably engage the channel-securing member and a suspending end that is adapted to receive and retain a suspending member. As a result, when the channel-securing member and the channel-hanging member are releasably engaged, the channel-securing member is releasably secured to the opposed side walls of the drainage channel and the suspending end of the channel-hanging member receives and retains the suspending member, the drainage channel can be suspended from the suspending member for installation of the drainage channel. The drainage installation device is reusable and allows the drainage channel to be positioned within a trench at any desired level.

Abstract: The present invention comprises an apparatus for supporting a frame from a utility container. The apparatus comprises a plurality of support members being configured to form a box. The support members are slidably attached to each other. The apparatus further comprises at least one actuator being positioned between and attached to the support members. When the actuator is caused to lengthen, the support members slide away from each other until the box maintains position in the utility container thereby providing support to the frame.

Abstract: A method and mold assembly for forming concrete or another moldable composition. A plurality of elongate elements, such as PVC pipes, are stacked in rows in gravity-stable arrangement to form a contour, such as an arch. The radius of the arch may be controlled by arranging the pipes as desired. Particulate matter, such as sand, may be used between the stacked pipes. Also, an anchor assembly can be used to secure one or more of the pipes to the earth. After the pipes are stacked and a bed of sand has been placed thereon, a waterproof cover is laid over the top of the stack, and layer of concrete is spread. After the concrete is set, the pipes, the cover and the anchor assemblies are removed. The removal will be expedited by washing the sand from the stack. Once removed, the pipes and anchors can be reused indefinitely.

Abstract: A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening in the wall to register with the opening in an abutting pipe culvert. Upright wings on each side of the base connect with the upright end wall. The side walls taper downwardly from the upright end wall to the end of the base. The side walls have outwardly protruding wings on either side to prevent erosion and overgrowth of grass.

Abstract: A closed end of a one piece flexible elastomeric seal is mounted in one end of a tubular liquid concrete tight frame that is mounted on a removable door of one wall of a concrete wall mold, the other open end of the flexible seal is in liquid concrete tight sealing contact with the other wall of the concrete wall mold.

Abstract: The present invention comprises an apparatus for supporting a frame from a utility container. The apparatus comprises a plurality of support members being configured to form a box. The support members are slidably attached to each other. The apparatus further comprises at least one actuator being positioned between and attached to the support members. When the actuator is caused to lengthen, the support members slide away from each other until the box maintains position in the utility container thereby providing support to the frame.

Abstract: The invention relates to a tunnel form comprising: two vertical forming walls (2) joined by a horizontal wall (3) in two parts (3A), and at the base of the form, means for adjusting the height of the position of the top edge (5) of the tunnel form relative to the reference surface (6), and means of support (7) at least indirectly with the reference surface so that it can be extracted from the tunnel after production. This tunnel form is characterized in that the aforementioned height adjusting means (4) are supported by props (9), each slide-mounted in a sleeve (10) attached to the base of the tunnel form.

Abstract: A method and apparatus for forming a trench drain includes an elongated trench form, first and second spaced apart frame rails, a support member and a first and second fastener. The trench form includes at least one folding member folded along predetermined lines. The support member is affixed to the first and second frame rails to maintain the first and second rails in a fixed position relative to each other. The support member includes first and second fastener bearing surfaces spaced above respective uppermost surfaces of transverse portions of the first and second frame rails. The first and second fastener bear against fastener bearing surfaces of the support member and releasably engage the first and second frame rail. A joint support member may be included to align adjacent trench drain assemblies.

Abstract: The present invention is directed to a method and apparatus for forming a trench drain. In one embodiment, the apparatus for forming a trench drain includes an elongated trench form, first and second spaced apart frame rails, a support member and a first and second fastener. The trench form includes at least one folding member folded along predetermined lines. The support member is affixed to the first and second frame rails to maintain the first and second rails in a fixed position relative to each other. The support member includes first and second fastener bearing surfaces spaced above respective uppermost surfaces of transverse portions of the first and second frame rails. The first and second fastener bear against fastener bearing surfaces of the support member and releasably engage the first and second frame rail. A joint support member may be included to align adjacent trench drain assemblies.

Abstract: An assembly for forming a trench is described comprising a frame having two elongated members that define a support surface and at least one opening. The assembly also includes a removable grate that is disposed on the support surface and includes a hook that is disposed proximate the opening defined by the elongated frame members. The assembly also includes a removable pin that is slidably inserted through an opening defined by an elongated member and is mechanically engaged by the hook of the grate to secure the grate to the frame.

Abstract: An apparatus for forming a trench which is adapted to receive at least one grate that will cover the trench. The apparatus comprises first and second frame rails that are connected by at least one removable spacer. The spacer is sized and configured to maintain proper alignment and spacing between the first and second frame rails during the formation of the trench. The removable spacer is connected to the first and second frame rails with spacer securing means. In addition to securing the at least one spacer to the first and second frame rails, the securing means also can be used to fixedly secure the at least one grate in place on the first and second frame rails.

Abstract: The invention provides a bulkhead forming system and method for forming a bulkhead. The bulkhead forming system comprises a number of individual forming members which are coupled together end to end and opposing each other to provide a gap therebetween on which the concrete is poured. The individual forming members consists of straight side forming members, 90.degree. internal angles, 90.degree. external angles, and other angled matched pair forming members, each of the said forming member having a substantially deep continuously concave indentation extending horizontally through the forming member, resulting in a substantially sideways U-shaped cross-section. Each surface of the bulkhead forming member is provided at an angle at which the frame can be easily released from the bulkhead once cured. The resulting freestanding bulkhead provides a useful walkway or work surface. Pilings may be driven into soil and placed between the opposing frames to provide additional stability or to create a boat lift.

Abstract: A method and apparatus for forming a trench or catch basin void with removable cardboard components that fold up to create a three dimensional trench void form, and pair of elongated frame members to define a support surface for a trench cover is disclosed according to the present invention. The removable cardboard form includes a rectangular shape with outwardly extending edges running longitudinally along the top surface. A pair of elongated frame members lay in a coplanar, spaced relationship to the side and bottom of the outward extended top edges of the predetermined form. The frames are used to define a surface to support the trench covers. A pair of U shaped support legs are joined at the ends to the frame members with nuts in order to maintain clearance for total encasement and adjust the top of the form to the desired finish elevation. Another preferred embodiment utilizes a rectangular rail for creating a drain support in a finished catch basin.

Abstract: A trench forming assembly for forming a trench of predetermined shaped is disclosed according to the present invention. The assembly includes a pair of elongate frame members for defining a support surface for supporting a trench cover and at least one downwardly extending leg attached to each frame member for anchoring the frame members in a predetermined location. The assembly also includes a form body for shaping a hardenable trench forming composition into the predetermined shape of the trench and having an upper surface, opposed side surfaces and a bottom surface. The trench forming assembly further includes at least one counterbuoyancy member extending between the frame members and having a generally downwardly facing engagement surface for operatively engaging a portion of the upper surface of the buoyant form body between the frame members. The counterbuoyancy member can also have an upper surface, opposite the engagement surface, for operatively engaging the elongate frame members.

Abstract: An adjustable radius form assembly is provided which includes a plurality of vertical strongbacks and a plurality of horizontal walers. Each of the walers are pre-rolled to a desired radius. The walers are then connected to one another by ball and socket type adjusters which enable the end to end arrangement of the walers to accommodate an overall form assembly having a wide range of curvatures or radii. The plurality of end to end walers and plurality of corresponding strongbacks may define a gang form length. A number of gang form lengths may be connected to one another to create the desired form assembly for the structure to be constructed. The vertical strongbacks may be placed at desired spacings along the horizontal lengths of the corresponding walers by adjustment of connectors on said strongbacks extending through slotted plates on the walers.

Abstract: The invention relates to concrete form panel sheeting comprising a resinous polymer core defining a concrete-form face and an opposite face, and a concrete-facing surface layer attached to the concrete-form face, the concrete-facing surface layer being adapted to be contacted by fresh concrete and to release from the concrete after curing thereof, to facilitate reuse of the concrete form panel sheeting. The invention further relates to concrete forms and form networks having the inventive concrete form panel sheeting as a component therein. The invention also relates to applications using the sheeting and forms to pour concrete.

Abstract: A two-part collapsible form void for providing a space between a poured concrete structure and an underlying expansive soil is formed of a foldable outer section and a foldable inner section which, when erected, is longitudinally slidable into the erected outer section. The form void may be shipped in the separated and collapsed state, reducing shipping volume by up to 85 percent, and is easily erected by hand at the job site.

Abstract: A form for construction of a catch basin including a water insert form that has a front insert wall, a rear insert wall, a pair of side insert walls and a concave bottom edge. The front insert wall and the rear insert wall each have knockouts along the bottom. The mortar insert form is positioned over an inlet pipe and an outlet pipe of a catch basin for bridges. Also, included are a pair of thumb screws that are capable of being positioned through one of the side walls of the mortar insert form. Included is a height mortar bridge form that has a front bridge wall, a rear bridge wall, and a pair of side bridge walls. The front bridge wall and the rear bridge wall each have a concave bottom. The front bridge wall and the rear bridge wall each have an inner wall that sloops downwardly from a top edge to form a cross rib. Lastly, the height mortar bridge form is locked within the mortar insert form a pair of thumb screws. This provides a form for mortar to be poured into.

Abstract: The invention relates to an improved apparatus for the production of substantially vertical walls, and specifically, walls made of concrete which includes a single sided concrete form used, for example, to form a concrete wall against a preexisting wall or embankment, by pumping concrete into a gap between the form and the preexisting wall or embankment, and raising the form vertically as the pumped concrete settles and drys. The apparatus enables the construction of vertical walls of superior strength in less time as compared to currently available systems.

Abstract: An apparatus is provided for installation in a manhole assembly. The mold apparatus is filled with a sealing material to establish a solid bond that blocks inflow of fluids at the joint between abutting components of the manhole assembly. The apparatus includes an open ring, a retaining band for urging the open ring into contact with the manhole so that the open ring defines an annular channel at the joint, and a sealing material dispenser for conveying sealing material into the annular channel. The sealing material hardens in the annular channel to provide the solid bond at the joint between the two manhole components. The manhole components may be an abutting manhole frame and manhole, or two abutting sections of manhole.

Abstract: A pour window for a metal concrete form flexible to a predetermined arcuate shape. A window panel of a generally rectangular shape forms part of a door which is pivotally mounted at one edge thereof for movement between an open and a closed position thereof. In the open position, concrete can be poured inside assembled forms intermediate the outside edges of the form assembly. In the closed position secured to structural members of the form, the window panel conforms to the generally arcuate shape of the form to present a substantially continuous arcuate surface for the forming of curvital concrete surfaces.

Abstract: A method of sealing a concrete joint formed between a pair of concrete castings by creating an injection hole wherein a removable frame member can be attached to the bottom surface of the first concrete casting so as to form obtuse angles with the concrete casting surface. The other concrete casting is then cast around the frame member. The frame member is then removed to form the injection hole of the desired configuration, and sealing material can then be inserted into the injection hole for feeding into, and sealing of, the joint.

Abstract: A formwork for a draft tube which includes ganged precast forms, each precast form corresponding to a curved segment of the draft tube. The precast forms are molded with continuous side plates extending thereabout and anchored in the precast concrete form and projecting beyond the surface opposite to the contact surface to provide a flange. A fastening means for attaching adjacent forms with a space therebetween to allow for stripping. A method includes determining the outline of the inner surface of the draft tube and dividing it into segments and preparing molds to make precast forms corresponding to each segment. The precast forms are assembled and shored to provide the draft tube ganged formwork, and concrete is poured about the draft tube formwork and is cured. The precast forms are stripped from the set concrete structure and reused in another draft tube formwork.

Abstract: A method for forming cementitious material, such as gunite or the like, to a desired cross-sectional profile for an interior structure such as a swimming pool, skateboard bowl or the like. A forming assembly includes a cutting edge, which is formed so as to correspond to the final desired profile of the structure. The forming assembly is mounted so as to be pivotable about a pivot axis substantially coincident with the center of the structure being formed. In this manner, when the cementitious material is applied to the side walls and bottom of the excavation to a depth slightly greater than that as finally desired, and the forming assembly pivoted 360.degree. about its pivot axis, the final desired cross-sectional profile of the structure is attained due to the action of the forming assembly striking off the excess material applied to the excavation.

Abstract: A method is disclosed for manufacturing a double-walled hollow lost casing for use in the production of marine engineering civil works having inner and outer walls each made of pre-cut plates of such size and shape that the lost casing has a polygonal cross-section throughout its height. The method includes the steps of assembling a jig by interconnecting a plurality of standard frames stacked upon each other to a desired height which together present an outer surface generally corresponding to a wall of a lost casing to be produced, assembling on and releasably attaching the pre-cut plates to the outer surface of the jig and seamlessly joining the assembled plates, and then releasing the completed wall from the jig.

Abstract: A form assembly for casting a lining wall in an existing manhole includes a cylindrical lower form assembly, a circular horizontal form assembly, and a cylindrical upper form assembly. All three assemblies are formed of smaller segments which are assembled together within the manhole and which can be disassembled after the manhole has been repaired.

Abstract: A device for forming a trench having a pair of frame members each having a first adjustment slot therethrough, a form pan having sidewalls, the sidewalls having an adjustment slot in registration with the first adjustment slot of the frame members, and means for adjustably securing the form pan to the frames through the first and second adjustment slots to allow positioning of the form pan relative to the frames.

Abstract: A collection of sheet-metal, flanged, arcuate panels is provided which panels can be assembled in belts of generally circular cross-section commencing from the bottom of the manhole to provide a complete form structure for casting a concrete liner with a minimum thickness of about three inches and including openings created by sectional cylindrical inserts, all of which can be assembled, then disassembled after the concrete liner has set. An extensive variety of panels to accomodate different shapes of manholes includes panels for forming right conical belts, for forming offset conical belts, and for forming wedge-shaped belts to make transitions between vertical and tilted sections of the manhole. A key-panel for these various belts is provided to prevent capture of the panels by the poured concrete liners which includes a relatively narrow portion with vertical flanges fixed at an angle to one another which angle diverges toward the center of the form structure.

Abstract: Apparatus for casting poured concrete liners in manholes or the like wherein a collection of sheet-metal, flanged, arcuate panels is provided which panels can be assembled in belts of generally circular cross-section commencing from the bottom of the manhole to provide a complete form structure for casting a concrete liner with a minimum thickness of about three inches and including openings created by sectional cylindrical inserts, all of which can be assembled, then disassembled after the concrete liner has set. An extensive variety of panels to accommodate different shapes of manholes includes panels for forming right conical belts, for forming offset conical belts, and for forming wedge-shaped belts to make transitions between vertical and tilted sections of the manhole.

Abstract: A device for forming a trench having a pair of frame members, connecting rods disposed between the frame members to maintain the frame members in a fixed position relative to each other, anchoring means attached to the frame members for positioning the frame members relative to the ground and a form removably held in a fixed position between the frame members having an upper surface and a shaped lower surface, the shaped lower surface providing means for molding a moldable trench composition into the shape.

Abstract: A method and apparatus for constructing a grate or solid covered trench is provided, having a "Z" type frame made positionally adjustable by an adjustment slot and fastening means combination, and a trench-form construction achieving stability by means of a number of box-shaped bracings positioned along the trench-form sidewalls. The positions of the bracings are staggered to provide both a supporting surface to the frame and stability to the lower regions of the sidewalls.

Abstract: A disposable form for manufacturing curb inlet drains in situ includes a base for forming the main body of the curb inlet drain, and a neck for forming a manhole opening. The base is made of a frangible material that can be broken into pieces and removed from the drain after concrete is poured and sets around the form. In other embodiments, both the neck and base are made of a frangible material. The form is lightweight, inexpensive, and reduces the cost of manufacturing curb inlet drains in situ.

Abstract: A method for making a steel/concrete tank is provided. A steel interior tank is pressurized during or after pouring of a concrete outer tank around a steel inner tank. Pressurization is commenced before the concrete has set, and is maintained until substantial setting of the concrete. The resulting structure is less susceptible than previous structures to cracking of the exterior concrete upon pressure-testing of the structure for leaks.

Abstract: This invention is a method and casing (1) for constructing a rigid structure upon the bottom of the water. The casing to be used is a lost pillar casing of particular shape. It is larger at the bottom than at a higher level and preferably is composed of flat plates formed into a polygonal cross sectional shape with similarity to a multiple sided pyramid. It can be combined with wall casings slit into recesses of the pillar casings. The wall casings can be double wall casings in which case concrete is filled therein and bulk stoney material is filled into the interior of the pillar casings or between the casings.

Abstract: A curved concrete forming structure to provide a 1000 psf system for forming curved walls having a radium in excess of 5'. The structure includes a series of arcuately curved metallic panels secured in stacked side-by-side assembly. The improvement particularly concerns a panel which is comprised of a flexible metallic skin plate. Spaced vertically extending ribs are positioned along the length of the panel on one side thereof. The ribs and the skin plate have essentially the same vertical dimensions. A pair of vertically spaced arcuately curved angles are provided which angles have identical diameters that correspond to the diameter of the concrete wall to be poured using the concrete forming structure. The curved angles are substantially stiffer and inflexible compared to the flexible skin plate.

Abstract: The mortar cap receives cementitious materials therewithin, such as cement, mortar, and the like, to define a footing for a manhole frame, and has a base frame with a pair of concentric, spaced-apart walls, and an ancillary frame, also with a pair of concentric, spaced-apart walls. The base frame is set within the ancillary frame, and the latter is slidably and vertically displaceable relative to the base frame. The ancillary frame has a plurality of knobs projecting from walls thereof which confront given walls of the base frame, and the given walls of the base frame has a plurality of racks of ribs which confront the knobs. With vertical displacement of the ancillary frame, or a sector of the ancillary frame, the latter is arrestingly held in the displacement due to an interference of the knobs and ribs, and an engagement of the knobs with a pair of the ribs.

Abstract: A cover for a storm drain collection box is formed usig falsework that includes a portion that is prefabricated and another portion that is constructed in-situ. The prefabricated portion of the falsework is used to form the throat section of the collection box inlet and can be mass produced under quality- and research-controlled conditions. The in-situ constructed portions of the falsework permit it to be modified according to the needs of the particular collection box. Alternatively, both the cover and the collection box can be precast for in-situ assembly.

Abstract: This invention is a method and casing (1) for constructing a rigid structure upon the bottom of the water. The casing to be used is a lost pillar casing of particular shape. It is larger at the bottom than at a higher level and preferably is composed of flat plates formed into a polygonal cross sectional shape with similarity to a multiple sided pyramid. It can be combined with wall casings slit into recesses of the pillar casings. The wall casings can be double wall casings in which case concrete is filled therein and bulk stoney material is filled into the interior of the pillar casings or between the casings.

Abstract: A method and apparatus are provided for forming a cementitious walled ground excavation outwardly of which ground settling is substantially eliminated. A form wall footing is initially erected and leveled upon the bottom of the excavation inward of the walls thereof and inner form walls are then erected upon the outer margin of the footing and anchored in position relative thereto after which an upstanding skeletal reinforcing rod frame is erected between the excavation and form walls and fluent cementitious material is poured about the skeletal framework between the excavation and form walls.

Abstract: An improved system is provided for separation of contiguous concrete portions of a structure. This separation is advantageous in reducing structural failure caused by earth settlement, frost upheaval or excessive underground water pressure by allowing each section of an in-ground concrete structure affected to freely float independent of each other, thereby eliminating the effects of stress on the structure. The system has particular utility in forming a deck surrounding a swimming pool and may be used in conjunction with a form which is temporarily secured near the top on the vertical pool wall to receive the concrete forming the pool. The separator system is used at the interface at the top (on the bond beam) of the pool wall and under the deck and comprises an adapter and clip fastener.