WO2021079342A1 - Système de coffrages de béton avec panneaux isolants, éléments de liaison et procédé de montage - Google Patents

Système de coffrages de béton avec panneaux isolants, éléments de liaison et procédé de montage Download PDF

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Publication number
WO2021079342A1
WO2021079342A1 PCT/IB2020/059991 IB2020059991W WO2021079342A1 WO 2021079342 A1 WO2021079342 A1 WO 2021079342A1 IB 2020059991 W IB2020059991 W IB 2020059991W WO 2021079342 A1 WO2021079342 A1 WO 2021079342A1
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WO
WIPO (PCT)
Prior art keywords
panels
panel
formwork system
concrete formwork
insulating concrete
Prior art date
Application number
PCT/IB2020/059991
Other languages
English (en)
Portuguese (pt)
Inventor
Bruno FERREIRA FERNANDES
Original Assignee
Spyderblock
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spyderblock filed Critical Spyderblock
Priority to EP20838285.3A priority Critical patent/EP4050174A1/fr
Priority to US17/771,057 priority patent/US20220364360A1/en
Publication of WO2021079342A1 publication Critical patent/WO2021079342A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8652—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties located in the joints of the forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2002/867—Corner details
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2103/00—Material constitution of slabs, sheets or the like
    • E04B2103/04—Material constitution of slabs, sheets or the like of plastics, fibrous material or wood

Definitions

  • This disclosure refers to an insulating concrete formwork system, from the English insulating concrete forms, ICF, which comprises connecting elements between insulating panels in order to receive the fluid structuring material, such as self-compacting concrete, for building a wall or structure.
  • ICF English insulating concrete forms
  • the document PT104019A describes a connector device between two insulating panels with application in lost formwork in civil construction, which being foldable allows either the separation between the two panels in order to receive the fluid structuring material, such as concrete, for the construction of walls and walls, or, when folded, the contact between the two panels, in order to facilitate their storage and transportation,
  • the connector device consists of a central piece that ends in hooks with a curved shape with an opening, and two ends, each one of which including an elongated outer part embedded in one of the insulating material panels and an inner part joined to the center piece, which includes a longitudinal axis that rotates 90 ° between the two desired positions.
  • the formwork block that includes this device is produced in a single piece since the device can be placed in the mold where the insulating panels are injected.
  • the document PT1792024E presents an insulation formwork system for concrete with wall connections of variable length.
  • This invention is related to the variable connections that serve for the construction and formation of walls of different thicknesses made of high-capacity capping boards, without using the classic coating. Insulation boards and insulation coatings are also used for the thermal and acoustic insulation of walls that are resistant to fire.
  • the present disclosure refers to a form of construction that allows through a method of assembling panels that together with the connecting elements, form a formwork that can be assembled with the ease that they can be assembled like LEGO TM, placing simultaneously the structural iron frame, which is then filled with self-compacting concrete, the lost formwork becoming an integral part of the construction.
  • This formwork in addition to the function that gives it its name, can also perform various functions, such as the thermal and acoustic insulation of the building / construction, allowing the display inside, screwing the plasterboard, shelves, furniture, mirrors, televisions, etc. On the outside, the finishing can be done in the same way as the "capoto", or else it can be fixed by screwing various types of materials such as stone, phenolics etc. This with quick, simple and intuitive placement.
  • EPS Polystyrene expanded
  • EPS X expanded polystyrene with thermal and mechanical characteristics similar to EPS 200 and waterproof characteristics similar to XPS (extruded polystyrene)
  • EPS X can be used in the manufacture of the panels to be used in the part of the formwork corresponding to the exterior of the building, due to its superior impermeability characteristics. Being one of the main applications in walls or structures that are buried as, for example, cellars and / or foundations of buildings.
  • polystyrene compounds such as graphite or other types of materials, which may have special characteristics for a given purpose and allow mechanical resistance and low thermal conductivity adaptable to the desired effect.
  • Another possibility is to use the same type of polystyrene in the manufacture of the panels but with different thicknesses of the insulating panels, for example, the Standard thickness and a thicker one, the latter to be used in the formwork part corresponding to the exterior of the building, that is for climates where thermal insulation requirements are higher or if customers want superior thermal insulation.
  • This disclosure describes an insulating concrete formwork system with insulating panels and connecting elements comprising: two or more insulating panels to receive a fluid concrete structuring material between said panels; at least two profiles to fit each one in said panel; one or more connector devices comprising two ends each for connection to a profile for two panels; wherein each panel has four tops including an upper top and a lower top opposite the upper top; wherein the panels comprise a cavity for fitting one or more profiles to the length of the top top of each panel; wherein the panels comprise a cavity for fitting one or more profiles to the length of the bottom top of each panel; where profiles comprise a side flash with a plurality of holes to fit the ends of the connecting devices; wherein the connector devices comprise a plurality of hooks, at their two ends, to enter said holes in the respective profile.
  • the connector devices comprise at least two metal rods longitudinally parallel to connect each of their ends to the respective profile.
  • the connector devices comprise at least two opposite ends, with each end comprising at least two hooks, at the ends of said metal rods to connect the ends to the respective profiles.
  • said hooks have an "L" shape at 90 ° and have curved and counter-curved ends.
  • the connector devices comprise a variable length between 100-1000 mm, in particular, between 100-500 mm.
  • the connecting devices comprise a plurality of transverse metal rods, that is, perpendicular metal rods connecting said metal rods longitudinally parallel to each other.
  • the connector devices comprise a plurality of perpendicular metal rods connecting said metal rods longitudinally parallel to each other.
  • the connector device can be manufactured in electrowelded steel crude from large sheets of electrowelded steel, being created and designed specifically for this solution of insulating concrete formwork, with no other similar.
  • the insulating panels are unique, created specifically for the insulating formwork described here.
  • an insulating panel comprises at the height of the vertical left top a recess and a protuberance at the height of the vertical right top a protuberance and a recess to fit contiguously with the right top and the left top of other panels, respectively.
  • contiguous panels correspond to panels placed side by side, that is, the right top of one panel will fit in the left top of another panel and so on forming a contiguous panel connection.
  • the protrusion at the bottom top of the panel was designed to touch the top top of another panel and by denting the end of the protuberance of the panel in the area of the connector devices, creating a seal so that the self-compacting concrete remains between said panels and does not leak into the recessed area of the top top of said panel.
  • each panel comprises an outer face, with a plurality of vertical markings and will be placed facing the outside of the formwork and an inner face opposite to the outside, facing the inside of the formwork where it will be in contact with the concrete. self-compacting.
  • a panel with a front view that is, seen from the outside face, with the respective markings in the vertical, is understood as top top to the horizontal top which is facing upwards, opposite to the lower horizontal top facing bottom, it is understood as top left to the vertical top turned to the left, opposite to the vertical top right turned to the right.
  • the panels comprise at the top top length a cavity and a recess, and at the bottom top length a cavity opposite the top top cavity and a protuberance, the top top of a panel abuts at the bottom top of a or more panels of superimposed and interspersed form.
  • the panels comprise a plurality of markings painted vertically on the outer face of the panel with the distance of said markings between 100-350 mm, to serve as a reference to the location and fitting of said profiles, and to the correct positioning of the interlayer of the panels.
  • the end of the protrusion of the lower top of the panel is designed to abut overlapping the top of one or more panels and that by denting said end of the protuberance, in the area of the wires of the connecting devices, allows only the passage of said wires, thus creating a seal so that the self-compacting concrete remains between the inner faces of the said panels, which form the formwork placed parallel to each other.
  • a seal is created so that the self-compacting concrete remains between the inner faces of the said panels that form the formwork.
  • the protrusion of the lower top and the recess of the upper top are adapted to fit the side run of said profile together with the hooks of said connector device.
  • the profiles comprise a material partially made of metal, preferably an aluminum band.
  • the length of the panels varies between 100 - 1300 mm, in particular between 1100 - 1300 mm, the length at the distance between the top left and the top right of said panel is understood.
  • the height of the panels varies between 240 - 350 mm, height at the distance between the top and bottom top.
  • the thickness varies between 50-300 mm, thickness at the distance between the outer face and the inner face of said panels.
  • the profile can be manufactured in stiff polyvinyl chloride, PVC, cut and drilled from large profiles, the length varies between 60 - 3000 mm, and was created and designed specifically for this formwork solution insulating concrete with no other.
  • said profile can have a thickness of 3 mm in the shape of a "T” and must be seen “lying down”, that is, rotated by 90 ⁇ , where the "leg" of said "T” is shaped / appearance of an "S”, that is, in fold and counter-fold, this "leg” being designated as a lateral flash.
  • the connector device can be made of electrowelded raw steel.
  • said side flash may have a thickness of 4 mm along its end to provide greater mechanical strength, and a plurality of holes immediately before this end, adapted to fit the hooks at the ends of said connector devices.
  • the profile comprises a metallic material, preferably an aluminum foil or metallic paint in order to be able to be detected with a proximity metal detector, pinpointer even after the finished and painted walls.
  • the panels are adapted with the cavities in the opposite upper and lower tops so that together with the profiles to be fitted in said cavities, said panels can be placed sequentially and / or overlapped and / or interspersed.
  • the present disclosure also describes a wall, wall, pillar or any other type of construction that comprises an insulating concrete formwork system according to any of the previous achievements or alternatives.
  • the present disclosure further describes a method for assembling the insulating concrete formwork system with insulating panels and connecting elements which according to any of the previous embodiments comprising: at least two panels; one or more connector devices; at least two profiles; wherein the method comprises the following steps: arranging at least two panels parallel to each other in order to define a space between the panels to receive said fluid concrete structuring material; fitting the profiles into the cavities of said panels; fit the connector devices to said profiles to connect the respective panels to each other; repeat the assembly of the system so that the panels are assembled contiguously and interchangeably overlapping; fill the space between the two panels with the structuring fluid material.
  • the present disclosure further describes a panel for assembling an insulating concrete formwork system comprising: four tops including a top top and a bottom top opposite the top top, a vertical right top, opposite a vertical left top, in that the upper top comprises a flat protruding rim at the length of the panel, a recess at the length of the panel and a cavity disposed in said recess at the length of the panel; wherein the bottom top comprises a protruding edge at the length of the tapered end panel to dent in metal connecting rods when superimposed on another panel.
  • the present disclosure further describes a connector device for assembling an insulating concrete formwork system comprising: at least two longitudinally parallel metal rods to connect each of its ends to a profile; wherein each rod comprises a hook at each end to fit holes in an insulating concrete formwork system mounting profile; a plurality of transverse metal rods for connecting said metal rods longitudinally parallel to each other.
  • each rod comprises a hook at each end to fit holes in an insulating concrete formwork system mounting profile and a plurality of transverse metal rods, ie perpendicular to connect said metal rods longitudinally parallel to each other .
  • the present disclosure also describes a profile for mounting an insulating concrete formwork system with a "T" shaped cross-section, in which the "leg" of said "T” has a cross-section, in the form of a ruff with a fold and a counter-fold, in which the counter-fold has holes to receive connector devices for assembling an insulating concrete formwork system that ends in hooks.
  • the "leg" of said "T” has a cross-shaped, ruff-shaped profile with a fold and a counter-fold in which the counter-fold has holes to receive the hooks of the connector devices for mounting insulating concrete formwork system.
  • Figure 1 Representation of an implementation of the formwork of a wall being assembled, its shape and appearance in this ICF system (insulating concrete formwork), in which:
  • (1) represents a panel
  • (2) represents a connector device
  • (6) represents the space to receive the fluid structuring material
  • (7) represents a connector device.
  • Figure 2 Representation of an implementation of a panel, in which figures 2a) identify the representation with a view of the outer face in particular and 2b) the representation with a view of the inner face in particular:
  • (9) represents a protuberance at the top below the length of said panel
  • (10) represents a cavity at the length of said panel
  • (14) represents a protuberance at the height of the vertical right top of said panel
  • (15) represents a recess at the height of the vertical left top of said panel.
  • Figure 3 Representation of an achievement of a profile, in which, in figures 3a) and 3b), in particular:
  • (11) represents a side flash
  • FIG. 1 represents a film or painting of metallic material.
  • Figure 4 Representation of an embodiment of a connector device, where (16) represents a hook.
  • Figure 5 Representation of a complete union with connector device and opposite profiles in figures 5a) and 5b).
  • Figure 6 Representation of a realization of cut, folded and punctured profiles with a view to creating a corner.
  • Figure 7 Representation of several realizations of the system with a perspective view of: corner, intersection, T-junction and top / finish / closure of the formwork.
  • Figure 8 Representation of a realization with a frontal view of the system with the identification of lines represented in dashed lines, which will be painted during manufacture, which will intuitively indicate the correct placement and interconnection of the panels and the respective position of the profiles.
  • Figure 9 Representation of a realization with a top view of how two adjacent panels are joined.
  • Figure 10 Representation of a realization with a top perspective view of placing the panels parallel to each other with the profiles fitted and interconnected with the connector devices in order to build a formwork.
  • Figure 11 Representation of an embodiment with a side view of the embedded profiles and the respective flashings connected to the hooks of the connector device housed in the recess along the length of the respective panel.
  • Figure 12 Representation of an embodiment with a side view of the junction of overlapping panels with the end of the protuberance below the length of the upper panel dented in the area of the connector devices.
  • Figure 13 Representation of a realization with a side view, in particular of a thicker panel for placement in the formwork corresponding to the outside of buildings that require superior thermal insulation.
  • This disclosure refers to a simplified system with regard to the way in which an insulating concrete formwork system is assembled for the manufacture of walls or structures in civil construction. Only three types of raw materials are used: EPS (expanded polystyrene), PVC (polyvinyl chloride) and Steel.
  • EPS expanded polystyrene
  • PVC polyvinyl chloride
  • an embodiment of the insulating concrete formwork system with insulating panels and connecting elements comprising: at least two panels (1,5); one or more connector devices (2,7) for connecting the panels (1,5) in order to create / make available the space (6) to receive the fluid structuring material; at least two profiles (3) to fit the panels (1,5) interconnected by said connector devices (2,7); wherein the panels (1,5) comprise at length a cavity (10) in said panel (1,5) for fitting one or more profiles (3); wherein the profiles (3) comprise a side flash (11) with a plurality of holes (12) for engaging the connector devices (2,7); wherein the connector devices (2,7) comprise a plurality of hooks (16) adapted to axially enter the holes (12) of said profiles (3).
  • EPS for panel manufacture (1.5), as shown in figure 2, can be supplied in large blocks.
  • the PVC for the manufacture of profiles (3), as shown in figure 3, can be supplied already in profiles.
  • the steel for the manufacture of the connector devices (2,7), as shown in figure 4 can be supplied in electrowelded sheets in raw steel.
  • the panel (1.5), according to figure 2, can be manufactured from blocks supplied in large dimensions with the aid of a foam cutter, from the English foam cutter, which can be a pantograph. This being a peculiar feature in the manufacture of the panels of the present disclosure, as it is the first solution to use the cutting system for the manufacture of panels in insulating formwork systems.
  • Various types of densities can be used depending on the type of mechanical strength required for the formwork in accordance with the construction thicknesses.
  • the panels can comprise another type of polystyrene compounds, such as EPS X, Graphite Polystyrene, etc., in order to satisfy other needs, such as, superior impermeability, protection against UV rays or other specificities.
  • other types of foams may be used that understand the possibility of cutting in this type of machines and that have low thermal conductivity and mechanical resistance for the purpose intended here.
  • the EPS panel was created, designed and developed specifically for this insulating formwork system and there is no other one like it.
  • the panel (1,5) is composed of two faces, the outer face comprising a plurality of vertical markings, preferably between S to 5 markings, facing away from the formwork, opposite the inner face facing the formwork.
  • Said panel (1,5) also has four tops, with an upper horizontal top, comprising a cavity (10) in length and a horizontal lower top opposite to the upper one, which also comprises in length a cavity (10) opposite the top cavity. top as shown in figure 2.
  • the top horizontal top also comprises a recess (8) in length, and the bottom top further comprises a protuberance (9) as shown in figure 2.
  • the vertical left top opposite the right top comprises a recess and protuberance ( 15,14), and the right vertical top comprises at the height a protuberance and recess (15,14) opposite to the left top as shown in figure 2.
  • the panel (1.5) can be 1200mm long.
  • This length aims to have the same width as plasterboard panels (Pladur), it is imperative that the measurements coincide so that installing everything is easy and intuitive without having to make unnecessary cuts in the respective plasterboard.
  • the required lower lengths will be cut using a handsaw or a manual foam cutter when assembling the system in the execution of the work, thus allowing an infinite plurality of variants making the system versatile and adaptable to any situation.
  • Length is understood as the distance that separates the top left from the top right.
  • the minimum thickness of the panel (1.5) may be 63 mm so that it is possible to place the deepest electrical equipment boxes without difficulty within this thickness and may exceed 200 mm, as figure 13, in order to make formwork with superior thermal insulation that can be applied in areas where the climate requires it.
  • Thickness is understood to mean the distance between the outer face and the inner face of said panel (1,5).
  • the height of the normal panel (1.5) can be 250 mm or 333 mm, the latter for executing constructions of lower thicknesses where the need for mechanical strength of the formwork is less. Height is understood to mean the distance between the top and bottom top.
  • the measures presented may vary, that is, they may be slightly altered in order to make better use of the raw material and reduce product costs in manufacturing.
  • the panels (1,5) comprise 3 vertically painted markings, represented in dashed lines, located every 300mm, which will serve as a reference for the placement of the connector devices (2,7), for the correct positioning of the interlayer of the panels (1,5), and so that the electrician and the plumber know where the profiles (3) are placed, bypassing them when making the slots for the inclusion of the respective tubes without wasting time.
  • the plasterboard can be fixed / screwed to the profiles (3) in a simple, intuitive and fast way.
  • the panel (1,5) comprises at the top superior to the length a recess that serves to house the lateral ruff of the profile.
  • the panels (1,5) also comprise a protuberance (9) at the bottom top, with the purpose of making a filter, as shown in figure 12, since when pressing one panel over another, it kneads the end of said protuberance. in the area of the wires, of the connector devices (2,7), creating a seal and preventing the passage of the concrete placed in the space (6) between the walls of the formwork to the areas of the recesses (8) of the panels (1,5) a in order not to compromise the thermal insulation of the set.
  • the profiles (3) comprise a side flash (11) with a plurality of holes (12) for engaging the connector devices (2,7).
  • the panels (1,5) are adapted with the cavities (10) to the length of the upper top and the length of the lower top in an opposite way to fit the profiles (3) and interconnect said panels (1,5) to each other in an overlapping and interspersed form forming a wall of said formwork which together with the hooks (16) of the ends of said connector devices (2,7), that is, the tips of the rods / hooks (16), which pass through of the holes (12), located in the side ridge (11) of the profiles (3), thus interconnecting another opposite wall thus forming the formwork as shown in figure 1.
  • the recess (8) also serves, for which case the water penetrates with concrete residues, they do not go up and enter the cavity (10) created to house the profile (3). On the other hand, it serves to let said residues rest / deposit, as shown in figure 12, in order not to compromise the thermal insulation of the system.
  • a panel (1.5) has a protuberance (14) at the height of the right top and a recess (15) at the height of the left top, vertically opposite the inner face of said panel (1.5) , which when joining the panels (1,5) in a contiguous way, forms a perfect fit so that the concrete does not leak into the formwork wall even if there is some gap in this union, as shown at the bottom of figure 9, and remains in the space (6) in contact with the inner faces of said panels (1,5).
  • a panel (1,5) has a protrusion and recess (14,15) at the height of the right top and a recess and protuberance (15,14) at the height of the left top, vertically opposite that when joining the panels (1,5) contiguously, form a perfect fit so that the concrete does not leak into the formwork wall even if there is some gap in this joint.
  • the profile (3) made of PVC is a profile with unique characteristics as there is no equal and was created specifically for this ICF solution.
  • the PVC used in the present realization can be stiffened to guarantee a mechanical resistance not only for the effect of loading the formwork, but also to be able to carry significant loads if subjected to the placement of the various elements mentioned above.
  • a metallic material (13) is placed, preferably an aluminum band and / or paint, as shown in figure 3, which allows the detection with a metal detector of proximity "pinpointer" after the finished walls.
  • the detection function is only necessary after completing and painting the walls.
  • the confluence of the lines painted on the panel mentioned above makes the system intuitive, so it is not necessary to use this functionality while building the walls until the plasterboard is installed.
  • the profile (3) can have a thickness of 3 mm and a shape similar to "T" lying where its "leg” makes an "S", that is, in fold and against fold, to which it is called a lateral flash and which at its end can be 4mm thick (area just after where the holes (12) will be drilled) for the placement of the connector devices (2.7) so that its mechanical resistance is strengthened.
  • the profile (3) can be cut and drilled so that together with the connector devices (2,7), as shown in figure 4, form the joints as shown in figure 5 and that fit into the cavities (10) of the panels (1,5) placed parallel to each other, form the formwork (ICF), as shown in figures 1 and 10.
  • the connector devices (2,7) can be manufactured in electrowelded steel.
  • the transverse metal rods of about 100 mm presented in these connector devices serve to maintain the square of them and the system, but also to be able to tie the structural iron frame when assembling this insulating formwork system.
  • the dimension of these rods it is purely indicative and is related to the cost and speed of manufacture. If it is found that when assembling and / or placing the structural iron, the size of the aforementioned crossbars affects the speed of execution, this measure will pass to the minimum possible and feasible by the cutting and manufacturing machines.
  • the connector devices (2,7) can be manufactured in electrowelded steel.
  • the transverse metal rods i.e. perpendicular with about 100 mm presented in these connector devices, serve to maintain the parallelism of the wires and the square of them and the system.
  • the connector devices (2,7) can have several length measures that, together with the profile (3), form the union between the walls of the formwork, as shown in figure 5. It is important to mention that it is the length of these connector devices that define the space inside the formwork and consequently the thickness of the wall and / or construction.
  • the manufacture of connector devices (2,7), with various lengths, as shown in figure 4, is planned in order to allow the walls / constructions to comprise approximately 10, 15, 20, 25, 30, 35 cm in thickness. These are the Standard measures, and other measures can be ordered by order, either for thicker walls, or for the formwork of larger columns using ICF or other type of formwork specific to the work / construction in question.
  • connector devices (2,7) Another purpose of the connector devices (2,7) is to support and tie the structural iron frame, helping its placement and becoming part of it.
  • the complete joint (connector device with opposite profiles (3)), the profiles (3) being interconnected by the connector devices that fit into the cavities (10) of the panels (1.5) they guarantee the safety of the system and it is to these that all elements can be screwed: Plasterboard, shelves, televisions, pictures, cabinets, phenolic and it will even be possible to put heavy coatings because each of these joints will have the particularity of withstanding close weights 200kg.
  • the uprights can also be screwed to the profiles (3) when assembling the formwork, which guarantee the verticality of the system and safety of the formwork until the concrete has dried. It should also be noted that when the edges of the doors and windows are made with formwork using the tops shown in figure 7, we created the possibility to affix the windows and doors directly to the system with maximum security and speed without having to drill holes and / or place dowels.
  • the panels (1,5) can be placed contiguous, overlapping and interspersed where the vertical markings allow to accurately perceive the placement of the joints and the right position for their interleaving. This makes everything much more intuitive in the assembly as well as in the placement of the plasterboard, since at each crossing between the lines and the end of the panel there will be a profile (3) where the plasterboard can be screwed on.
  • FIG 8 the vertical markings are shown in dashed lines to facilitate the assembly of the formwork of the present design. It should be noted that the present design does not include the ends of the panel (1.5) marked, as shown in figure 8, and the markings will be colored and thick, preferably from 2 to 3 mm.
  • the system can allow display points as no system allows in the state of the art. It should be noted that after finishing and painting, one can always know with the metal detector where the profiles (3) will be in order to be screwed the support for placement, for example, a picture or a television. It is important to mention that no system of this type of formwork has this particularity.
  • the placement of two opposite panels interconnected with the complete joints as shown in figure 5, set profiles (3) plus connector devices (2,7) form a block, the simplest form of the formwork . In practice, placing these blocks sequentially contiguous, overlapping and interspersed, will form the formwork.
  • the cavity is filled by the profile (3), and the recess (8) of the upper top, houses the side flash (11) together with the hook ends (16) of the connector devices that it also serves to rest / deposit and solidify there, some concrete residues that may pass into the recess, in order not to compromise the thermal insulation of the set.
  • the 150mm thick non-standard panel (1.5) serves as an example and is only intended to be applied on the side of the formwork corresponding to the exterior of the building, adaptable to the climate of the area . For example, in very cold countries or simply to satisfy more demanding customers who want superior thermal insulation.

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  • Architecture (AREA)
  • Physics & Mathematics (AREA)
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Abstract

La présente invention concerne un système de coffrages comprenant : au moins deux panneaux isolants destinés à recevoir un matériau structurant fluide de béton entre lesdits panneaux; au moins deux profilés destinés chacun à venir en prise avec l'un desdits panneaux; un ou plusieurs dispositifs de liaison comportant deux extrémités destinée chacune à être reliée à un profilé en vue de la jonction de deux panneaux; chaque panneau présentant quatre parties terminales comprenant une partie terminale supérieure et une partie terminale inférieure opposée à la partie terminale supérieure; les panneaux comportant une cavité destinée à l'emboîtement d'un ou de plusieurs profilés sur la longueur de la partie terminale supérieure de chaque panneau; les panneaux comprenant une cavité destinée à l'emboîtement de profilés sur la longueur de la partie terminale inférieure de chaque panneau; lesdits profilés comprenant un épaulement latéral doté d'une pluralité de trous; les dispositifs de liaison présentant, au niveau de leurs extrémités, une pluralité de crochets destinés à entrer dans lesdits trous du profilé.
PCT/IB2020/059991 2019-10-23 2020-10-23 Système de coffrages de béton avec panneaux isolants, éléments de liaison et procédé de montage WO2021079342A1 (fr)

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EP20838285.3A EP4050174A1 (fr) 2019-10-23 2020-10-23 Système de coffrages de béton avec panneaux isolants, éléments de liaison et procédé de montage
US17/771,057 US20220364360A1 (en) 2019-10-23 2020-10-23 Concrete formwork system with insulating panels, connection elements and assembly method

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