EP3029217B1 - Schalung für einen hängebalken - Google Patents

Schalung für einen hängebalken Download PDF

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Publication number
EP3029217B1
EP3029217B1 EP14744610.8A EP14744610A EP3029217B1 EP 3029217 B1 EP3029217 B1 EP 3029217B1 EP 14744610 A EP14744610 A EP 14744610A EP 3029217 B1 EP3029217 B1 EP 3029217B1
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EP
European Patent Office
Prior art keywords
panel
semi
panels
formwork
lower panel
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EP14744610.8A
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English (en)
French (fr)
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EP3029217A1 (de
Inventor
Pedro Xammar Bove
German Ardila Lopez
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Inveral SL
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Inveral SL
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Publication of EP3029217A1 publication Critical patent/EP3029217A1/de
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G13/00Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/04Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • E04G11/486Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50Girders, beams, or the like as supporting members for forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/04Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
    • E04G17/042Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements being tensioned by threaded elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • E04G25/06Shores or struts; Chocks telescopic with parts held together by positive means
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00Forming or shuttering elements for general use
    • E04G9/02Forming boards or similar elements
    • E04G2009/028Forming boards or similar elements with reinforcing ribs on the underside

Definitions

  • the present invention relates to a formwork for a hanging beam, particularly of a beam protruding below a floor slab.
  • the formwork comprises at least two rectangular lateral panels and one lower panel, each one of these panels having an inner face forming a respective face of the beam, an outer face opposite to the form face and provided with transverse ribs, and two longitudinal edges and two transverse edges.
  • the two lateral panels are arranged vertically and parallel to each other, separated from one another by the lower panel in turn arranged horizontally, such that each one of the two longitudinal edges of the lower panel is in flat contact with the inner face of a respective lateral panel through mutual affixing means.
  • the lateral boards need to be laterally braced to counteract the lateral force of the concrete that will be poured between them and the bottom board.
  • Timbers are often used as lateral bracing elements, which usually lean against the outer surfaces of the lateral boards and are parallel to the longitudinal direction of the hanging beam.
  • multiple solutions are improvised based on wooden framing squares or shorter timbers arranged diagonally, which rest on an extension of the formwork board of the bottom of the beam, or on other boards or propped wood resting on the lower floor slab.
  • the components used in the lateral bracing and the fastening thereof are attached through nails, which, added to the multiple pieces used, involves a considerable amount of time in the mounting process, with often uncertain results in terms of its stability.
  • the majority of the elements for lateral bracing are not reusable, given that they are frequently cut to size for the formwork of one particular beam, or are simply based on the materials available at the construction site at the time.
  • panel-based formworks include an improvement in the stability of the set of panels mounted around the faces of the beam that is to be formed, in addition to the fact that its mounting follows an error-proof pattern.
  • panel-based formwork entails higher material and rental costs in order to be used at construction sites, in comparison with wooden board-based formworks, bearing in mind that the use of the panels must be paid for from the time they are mounted until they are dismounted on site, once the poured concrete has completely set and the lateral and bottom panels can be removed.
  • a formwork for a hanging beam protruding below a floor slab is disclosed in the invention, and is defined by the features of claim 1.
  • the formwork comprises a plurality of lateral and lower panels, each one of which presents an inner face forming a respective face of the beam.
  • the lateral panels of each side are arranged vertically and parallel to each other, separated from one another by the lower panels arranged horizontally, such that the longitudinal edges of the lower panels are in flat contact with the inner faces of the lateral panels through mutual affixing means.
  • each lower panel is composed of two semi-panels, the first semi-panel being longer than the second semi-panel.
  • Each semi-panel comprises an inner forming face, an outer face, two longitudinal edges, an end transverse edge, and a connecting transverse edge, which connects to the other connecting transverse edge of the other semi-panel, wherein the two semi-panels can be removably coupled to one another to constitute the lower panel through removable attaching means, configured for their connecting transverse edges to be attached by flat contact.
  • the connecting transverse edge of the first semi-panel forms an obtuse angle with its inner face and the connecting transverse edge of the second semi-panel forms an acute angle supplementary to the aforementioned obtuse angle, that is to say, the sum of the aforementioned angles is 180°.
  • All of the foregoing is configured in such a way that when the two semi-panels are in a coupling position, the inner faces and outer faces of the two semi-panels are flush, constituting the inner face and the outer face of the lower panel, respectively, the longitudinal edges of the two semi-panels being arranged in a coplanar manner constituting the longitudinal edges of the lower panel, and the end transverse edge of the first semi-panel and the end transverse edge of the second semi-panel constituting the two transverse edges of the lower panel.
  • the longitudinal edges are the walls that make up the perimeter frame of a panel or of a semi-panel, edges which extend in a direction parallel to the direction of the length of the beam, and that the transverse edges extend in a perpendicular direction.
  • the interior of the panel or semi-panel will be understood as the outward-facing open space delimited by the outer face and by the longitudinal and transverse edges of the panel or semi-panel in question.
  • all longitudinal and transverse edges of the lower and lateral panels are made up of respective flat faces perpendicular to the inner faces of the panels, and extend beyond the outer faces of the panels from said inner faces.
  • each lower panel is made up of two semi-panels coupled to one another through one of their transverse edges, known as the connecting edges, and that said connecting transverse edges are configured as walls forming an acute angle and a supplementary obtuse angle with the inner face of the panel, enables the partial dismounting of the lower panel once the concrete has sufficiently set.
  • the obtuse angle configuration of the first semi-panel the longest one, enables the decoupling of this first semi-panel from the rest of the formwork (after previously removing the lateral panels), leaving only the second semi-panels of the lower panels to form the lower face of the hanging beam until the concrete of the hanging beam fully acquires the resistance for which the beam has been projected. Therefore, the first semi-panels can be removed three days after concreting, without interfering with the position of the second semi-panels, and may be used elsewhere at the construction site or returned to the formwork supplier, thereby saving on rental costs.
  • the second semi-panel of each lower panel is provided with housing means to removably couple, in the second semi-panel, the end of a bolt or peg which can be inserted by its other end into the upper end of a shoring prop or support, said housing means being coupled below the outer face and arranged so that they can rotate around a transverse axis parallel to the direction towards which the end transverse edge of the second semi-panel extends, configured in such a way that the shoring prop or support inserted into the housing means through the bolt or peg is able to adopt a position ranging from at least an acute angle up to a right angle with respect to the outer face of the second semi-panel.
  • housing means enable, among other things, the second semi-panels to continue forming part of the lower face of the hanging beam and to be supported by the shoring props coupled to the second semi-panels through the housed bolts or pegs upon the removal of the first semi-panels.
  • the shoring prop In the operating formwork position, the shoring prop will be arranged so as to form a right angle with the outer face of the second semi-panel.
  • first formwork semi-panels do not require, at any time during the formwork process, to be supported by any shoring prop, except the initial first semi-panel, that it to say, the one located after the pillar from which the hanging beam extends.
  • This initial first semi-panel is provided with housing means, in order to removably couple therein the end of a bolt or peg that can be inserted by its other end into the upper end of a shoring prop or support, said housing means being firmly attached below the outer face.
  • each one of the lower panels is supported by a shoring prop, specifically coupled to its second semi-panel, except for the initial lower panel, which is supported by two shoring props, one in each semi-panel. It is provided that, once twenty-four hours have elapsed since the hanging beam was concreted, the lateral panels shall be removed, and, after three days, the first lower semi-panels, including the initial lower semi-panel. Meanwhile, the beam will be shored by the shoring props coupled to the second semi-panels for twenty-eight days, which is when the second semi-panels are removed, thereby completing the stripping of the beam.
  • the formwork object of the invention prevents having to shore the hanging beam once again during the stripping phases, given that a shoring prop does not have to be removed and placed one more time. Instead, the shoring props coupled to the second semi-panels do not undergo any changes; they remain in their position from the moment they are placed at the beginning of the formwork process until the completion of the stripping, which simplifies the entire process.
  • the housing means of the second semi-panels and the initial first semi-panel, provided for the removable coupling of a bolt, shank or peg, comprise a nut, the hole of which is threaded according to the worm of the upper end of a bolt or peg. Therefore, the coupling of the shoring props to the semi-panels, either the first or second, is easily and quickly carried out through bolts, pegs or shanks provided with a threaded end with a worm that matches the worm of the inner thread provided in the respective housing means provided in the lower panels, specifically accessible from below when the panels are in the operating position (arranged horizontally and parallel to the lower face of the hanging beam).
  • each lower panel is provided with hooking means and with suspending means located in a respective transverse edge, through which a lower panel can, in a non-operating mounting or dismounting position of the formwork, be suspended, with the capacity to swing from another lower panel adjoined to the first when the hooking means of a lower panel are adapted to receive the coupling of the suspending means of the adjoined lower panel, or vice versa.
  • the hooking means are provided in the end transverse edge of the second semi-panel of a lower panel and the suspending means are provided in the end transverse edge of the first semi-panel.
  • the coupling of the lower panels through the hooking means and the suspending means facilitates the mounting of the lower formwork of the hanging beam, given that once a first lower panel is placed, supported by at least one shoring prop, the following lower panel is simply placed by hanging it by its suspending means from the hooking means of the end transverse edge of the lower panel that has already been placed.
  • the second lower panel can swing with respect to the first, and it will be sufficient to rotate the same by raising the free end, pushing it by the shoring prop coupled to the second semi-panel of the second lower panel (coupled by the housing means with rotating capacity described above), until the inner faces of the two lower panels are flush.
  • the shoring prop coupled to the second semi-panel is adjusted so as to remain perpendicular in order to support the second lower panel placed adjoining to the first.
  • the hooking means comprise at least two hooks that extend in the longitudinal direction of the lower panel, protruding from the lower rim of the end transverse edge of one of the semi-panels forming the lower panel towards the exterior of the semi-panel, and the hook opening of which is oriented upwards, directed towards the inner face of the semi-panel.
  • the suspending means comprise two portions of sectioned cylindrical bars arranged on the lower rim of the end transverse edge of the other semi-panel of the lower panel and that extend aligned and parallel to the direction of said end transverse edge, configured such that each portion of sectioned cylindrical bar comprises a convex cylindrical surface protruding below the lower rim of the end transverse edge and extending towards the interior of the semi-panel, the opening of each hook being adapted so as to receive the support of a corresponding portion of sectioned cylindrical bar and to enable rotation and swinging, within the opening, of said portion, around the transverse axis of the portion, when the portion rests on its convex cylindrical surface.
  • suspending through-holes are each arranged after a corresponding portion of cylindrical bar, extending towards the top of the end transverse edge, said suspending holes being adapted to house the free ends of the hooks of the hooking means in a non-operating mounting or dismounting position, wherein a lower panel is suspended, with the capacity to swing with respect to an adjoining lower panel, particularly when a lower panel is suspended by forming an approximately right angle with respect to the adjoining lower panel.
  • the hooking means and the suspending means comprise mutual retaining means through which a lower panel is able to go from being suspended, in a non-operating mounting or dismounting position of the formwork, to being retained without the possibility of swinging in an operating formwork position with respect to an adjoining lower panel, the inner faces of the two adjoining lower panels being arranged so as to be flush in said operating formwork position when the hooking means of a lower panel receive the coupling of the suspending means of an adjoining lower panel and the suspending means adopt a retaining position.
  • the retaining means of the hooking means are constituted by a tip of the free end of each hook with an arrowhead configuration, whereby the free end presents an inclined surface configuring a narrowing of the opening of the hook in the opposite direction to the arrowhead, connecting the inclined surface with the rest of the hook through a flat retaining surface parallel to the inner face of the semi-panel from which the hooks protrude, the flat retaining surface forming a retaining arris with the rest of the hook.
  • each portion of sectioned cylindrical bar of the suspending means presents a complementary flat retaining face, located after the convex cylindrical surface with which it forms a complementary retaining arris, the complementary flat retaining face being parallel to the inner face of the semi-panel on which the suspending means are arranged, and the complementary flat retaining face being located in the interior of the corresponding semi-panel and separated at a certain distance from the lower rim of its end transverse edge.
  • suspending means of a lower panel are able to adopt a retaining position wherein each portion of sectioned cylindrical bar of a lower panel fits in the opening of a corresponding hook of the adjoining lower panel by direct contact of the flat retaining surface with the complementary flat retaining face, and wherein the complementary retaining arris is arranged parallel to the retaining arris.
  • the suspending means comprise guiding means for the coupling of the portions of sectioned cylindrical bars in the corresponding openings of the hooks of an adjoining lower panel.
  • the guiding means are arranged internally (in the space comprised between the outer face of the panel or semi-panel and the longitudinal and transverse edges) in the semi-panel, on the upper rim of the same end transverse edge wherein the portions of sectioned cylindrical bars are provided.
  • These guiding means comprise a corner piece and a stop piece for each portion of sectioned cylindrical bar, the corner piece being provided with an inclined plane arranged perpendicular to the outer face of the semi-panel, attaching the aforementioned end transverse edge to the adjacent longitudinal edge, with which it forms an inner corner in the semi-panel, at an angle.
  • the stop piece is arranged in the aforementioned end transverse edge above the portion of sectioned cylindrical bar, maintaining a separation from the corner piece, the dimensions of which are adapted to house the arrowhead configuration tip of the free end of a hook of the adjoining lower panel, which tip can be slid along the length of the inclined plane of the corner piece until making contact with the stop piece, and the complementary flat retaining piece of the portion of sectioned cylindrical bar is oriented towards the guiding means.
  • the guiding means will help the operator mounting the formwork to place the lower panels, one adjoining panel after the other, in the correct position such that the newly placed lower panel swings with respect to the adjoining lower panel that has already been placed in the horizontal (formwork) position. Therefore, we can consider a situation wherein a lower panel has already been placed in the operating formwork position with its inner face in the horizontal position.
  • the arrowhead tips of the hooks of the hooking means protrude from said lower panel. The operator comes with a lower panel that must be hung from the one that was already placed, such that the lower panel to be placed can swing with respect to the one that was placed before it.
  • the lower panel in the hands of the operator comprises, near the end transverse edge corresponding to the first semi-panel, two spaces delimited by the corresponding corner pieces and stop pieces.
  • the operator must be able to house the arrowhead of the end transverse edge of the adjoining panel that was previously placed in these spaces so it can swing with respect to the other.
  • the guiding means allow the operator to place the lower panel correctly without having to see where the spaces and the arrowheads are located.
  • the hook opening of each hook of the hooking means of a lower panel is adapted to house the thickness of the end transverse edge of the adjoining lower panel and the respective portion of sectioned cylindrical bar arranged in the aforementioned end transverse edge.
  • the end transverse edge of the second semi-panel has a height equivalent to the sum of the height of the end transverse edge of the first semi-panel plus the distance by which one of the portions of sectioned cylindrical bar of the suspending means arranged in the first semi-panel protrudes below said end transverse edge.
  • the height of the end transverse edge of the first semi-panel is lower than the height of the second semi-panel, given that this way, two adjoining semi-panels can swing with respect to one another, specifically the first semi-panel of one lower panel with respect to the second semi-panel of another lower panel, the lower panels being separated by a minimum distance marked by the opening of the hooks of the hooking means of the second semi-panel.
  • the mutual affixing means between the lower panels and the lateral panels comprise at least two through-holes, distributed in each one of the longitudinal edges of the lower panels, and at least two series of through-holes through the inner face and outer face of each lateral panel.
  • the holes of the series are distributed linearly in the direction parallel with respect to the transverse edges of the lateral panels.
  • the separation between one series and the other is equivalent to the distance separating the through-holes of one same longitudinal edge of a lower panel.
  • the mutual affixing means also comprise sets of threaded or dywidag bars and wing nuts with threads that correspond to the worm of the bars for their mutual adjustment, all of which is arranged in such a way that in the operating formwork position, each through-hole of a lower panel overlaps one of the holes of the lateral panels, both holes being crossed through by a corresponding bar provided with a wing nut on one of its ends, which maintains the longitudinal edge of a lower panel in flat contact with the inner face of a lateral panel or with the inner faces of two adjoining lateral panels, depending on whether part of one same lower panel is affixed on each side to the same lateral panel or to two adjacent lateral panels.
  • the series of distributed through-holes crossing through the inner and outer faces of the lateral panels ensure that the formwork is valid for a range of hanging beams of different heights.
  • the relative position of the lower panels with respect to the lateral panels can be adjusted, given that the operator, according to the height of the projected hanging beam, will place the through-holes of the lower longitudinal edges of the lower panel overlapping the corresponding through-holes of the series of faces of the lateral panels, those that are located at a distance from the rim of the upper longitudinal edge equal to the height by which the projected hanging beam will protrude from the floor slab. Thereafter, it will cross through the same the corresponding bars that will be tightened with the wing nuts such that the inner faces of the lateral panels press against the longitudinal edges of the lower panels. It should be mentioned that the wing nuts can be firmly attached to one of the ends of the bars, thereby forming a single piece.
  • the mutual affixing means also comprise, for each one of the through-holes distributed in each one of the longitudinal edges of the lower panel, a nut that is firmly attached to the inner side of said longitudinal edge of the lower panel, with the threaded hole of the nut placed after and overlapping the through-hole, and the thread of which corresponds to the worm of the bars for tightening them together.
  • each transverse edge connecting the two semi-panels forming one same lower panel is provided with at least one through-hole which, in the operating formwork position, overlaps the through-hole of the connecting transverse edge of the corresponding semi-panel, said through-holes being adapted for the passage of the removable attaching means for the attachment by flat contact of the connecting transverse edges in the operating formwork position.
  • the upper longitudinal edges of the lateral panels intended to be the longitudinal edges furthest away from the lower panel, are provided with a filling, along their rims, of a material such as wood, which can directly support, and be attached to, a horizontal formwork board of the floor slab to which the hanging beam belongs, through the insertion of nails.
  • Fig. 1 shows a formwork 1 for a hanging beam of the type that protrudes below a floor slab (not represented), mounted and arranged in an operating formwork position, prepared to form the concrete to be poured, thereby forming the lower face and the two lateral faces of the hanging beam (the upper face is considered as the face to be attached to the floor slab of the floor to be concreted after or together with the hanging beam).
  • the formwork 1 represented therein comprises two lower panels 2 and four lateral panels 3, 4, although depending on the length of the beam, sets of a lower panel 2 and two lateral panels 3 and 4 can be added to the formwork 1, to be arranged adjacently to the panels represented herein. All panels 2, 3 and 4 present a smooth inner face 21, 31, 41, intended to make contact with the concrete in order to form the corresponding face of the hanging beam.
  • the two lateral panels 3 and 4 are arranged vertically and parallel to each other, and are separated from each other by the lower panel 2, which is arranged horizontally.
  • Figs. 14 and 15 show that the lateral panel 4 is rectangular in shape, and is made up of an inner forming face 41, with a smooth surface, of an outer face 42, opposite to the inner face, provided with transverse ribs (see Fig. 15 ) with two longitudinal edges 43 and 44 and two transverse edges 45 and 46.
  • the lower longitudinal edge 43, the upper longitudinal edge 44, the front transverse edge 45 and the rear transverse edge 46 are made up of respective faces that are perpendicular to the inner face 21 and extend from the inner face 41 beyond the outer face 42, due to which they constitute a kind of perimeter frame.
  • lateral panels 4 are attached to one another by their transverse edges 46 and 45, arranged facing each other and removably attached by hook-shaped pieces that will be described below.
  • Fig. 15 shows in detail that the upper longitudinal edge 44 is provided in its interior with a filling 12 of a material such as wood, which allows longitudinal edge 44 to be attached, through nails, to a board or a horizontal formwork element of the floor slab from which the hanging beam protrudes, said horizontal formwork element being arranged in a perpendicular position with respect to the lateral panel 4 and resting on its upper rim.
  • the filling 12 can occupy the entire section of the longitudinal edge 44, thereby making it possible to nail in the nails both from below and from above.
  • Fig. 15 shows four transverse ribs, two of which are constituted by a C-profile bar or a bar with a tubular and rectangular cross-section, provided with a series of equidistant through-holes 54.
  • the through-holes 54 cross through the ribs, the outer face 42 of the lateral panel 4 and the inner face 41, as shown in Fig. 14 .
  • the through-holes 54 are part of mutual affixing means through which the lateral panels 3 and 4 are attached in the operating formwork position to the lower panels 2, the longitudinal edges 23, 24 of the lower panels 2 in particular remaining in flat contact and pressed against the inner faces 31, 41 of the lateral panels 3 and 4 through the mutual affixing means.
  • each lower panel 2 is composed of two semi-panels 201 and 202 that can be coupled to one another, the first semi-panel 201 being longer than the second semi-panel 202.
  • the length of the second semi-panel should make up between 10% and 30% of the total length of the lower panel (the sum of the lengths of the first and second semi-panels), preferably between 15 % and 25 %.
  • Each semi-panel 201; 202 comprises an inner forming face 211; 212, an outer face 221; 222, two longitudinal edges 231, 241; 232, 242, an end transverse edge 251; 262 and a connecting transverse edge 271; 272 (see Figs.
  • the first semi-panel 201 and the second semi-panel 202 can be coupled to one another to constitute one lower panel 2 through their respective connecting transverse edges 271, 272, arranged so that they are facing each other, overlapping, and attached to one another through removable attaching means 6 configured for the attachment of said connecting transverse edges 271, 272, as shown in detail in Fig. 7 .
  • the inner faces 211, 212 and the outer faces 221, 222 of the two semi-panels 201 and 202 are flush, thereby constituting the inner face 21 and the outer face 22 of a lower panel 2, respectively;
  • the longitudinal edges 231, 241, 232, 242 of the two semi-panels 201 and 202 are arranged coplanar to each other, constituting the longitudinal edges 23, 24 of the lower panel 2;
  • the end transverse edge 251 of the first semi-panel 201 and the end transverse edge 262 of the second semi-panel 202 respectively constitute the transverse edge 25 and the transverse edge 26 of the lower panel 2.
  • the connecting transverse edge 271 of the first semi-panel 201 forms an obtuse angle with its inner face 211 (see Figs. 3 and 4 ) and the connecting transverse edge 272 of the second semi-panel 202 forms an acute angle (see Figs. 5 and 6 ) supplementary to the aforementioned obtuse angle of the first semi-panel 201 (see Figs. 7 and 10 ).
  • the longitudinal edges 231, 241, 232, 242 and the end transverse edges 251 and 262 of the two semi-panels 201 and 202 are defined by surfaces perpendicular to the inner faces 211 and 212 of the semi-panels 201 and 202
  • the connecting transverse edges 271, 272 are defined by inclined planes that make it possible, as shall be explained below, for the first semi-panels 201, starting form an operating formwork position, to be easily removed by being decoupled from the second semi-panels 202, allowing the second semi-panels 202 to remain in the operating formwork position after having previously removed the lateral panels 3 and 4.
  • the first semi-panels 201 are considerably longer than the second semi-panels 202, and it has been verified that once the concrete has acquired a certain resistance, the hanging beam can remain in the formwork without losing its shape with its lower face resting only on the second semi-panels 202, which are in turn supported by the corresponding shoring posts 10. Not having to use the first semi-panels 201 during the entire setting times entails a reduction in costs, given that the shoring posts 10 supporting the same will not be necessary either.
  • the lateral panels 3 and 4 should be removed after twenty-four hours, and the first semi-panels 201 of the lower panels 2 after three days, while the beam is still shored by the shoring posts 10 coupled to the second semi-panels 202.
  • the distance between the shoring posts 10 coupled to the second semi-panels 202 is considerable, due to which the construction site personnel can move and cross below the formwork 1 of the hanging beam without hindrance.
  • the foregoing has the advantage that it avoids shoring the formwork structure 1 once again because the position of the shoring posts 10 supporting the second semi-panels 202 remains unaltered and the same are not manipulated in any other way upon the removal of the first semi-panels 201, which is not the case in other formwork systems for hanging beams. Finally, after twenty-eight days, the shoring posts 10 and the second semi-panels are removed, i.e. the hanging beam itself bears no load until that point.
  • the semi-panels 201 and 202 are provided with respective housing means 29 and 20 (see Figs. 3, 5 and 7 ) to removably couple therein, when necessary, the end of a bolt, shank or peg 11, inserted by the other end in the upper end of a shoring post 10.
  • the housing means 29 are firmly attached below the outer face 221 of the first semi-panel, what would be referred to as the interior of the panel (flanked by the perimeter frame constituted by the transverse and longitudinal edges).
  • the housing means 20 and 29 comprise a nut, the hole of which is threaded according to the worm of the upper end of a bolt or peg 11 such as the one represented in Fig. 17 . It should be mentioned that the housing means 29 of all the first semi-panels 201 constituting the formwork 1 will not receive the coupling of a peg 11 and a corresponding shoring post 10; this will only happen in the case of the initial first semi-panel 201, the one closest to the pillar from which the formwork 1 of the hanging beam extends out.
  • the shoring post 10 located on the left end corresponds to the shoring post 10 coupled to the initial first semi-panel 201, while the other two shoring posts 10 are coupled to the second semi-panels 202.
  • housing means 20 of the second semi-panel 202 which are coupled below the outer face 222, they are arranged so that they can rotate around a transverse axis parallel to the direction towards which the end transverse edge 262 extends.
  • the rotating arrangement of the housing means 20 is shown in detail in Figs.
  • each connecting transverse edge 271, 272 of the two semi-panels 201, 202 forming the same lower panel 2 is provided with two through-holes 27, which, in the operating formwork position, overlap the through-hole 27 of the connecting transverse edge 271, 272 of the corresponding semi-panel 202, 201.
  • Said through-holes 27 are adapted for removable attaching means 6 to pass through the same for the attachment, by flat contact, of the connecting transverse edges 271, 272 in the operating formwork position.
  • the removable attaching means 6 are constituted by pieces configured in the shape of a hook, wherein at the end opposite to the point of the hook, they have a tail with a curved termination that is less thick than the rest of the piece, adapted to cross through the through-holes 27 overlapping the connecting transverse edges 271; 272 of the two semi-panels 201, 202 and to rotate limitedly around their central axis and the axis of the point of the hook.
  • the curved termination of the tail and the point of the hook are provided with respective supporting surfaces, which are both intended to make contact against the same inner face of one of the two connecting transverse edges 271; 272.
  • the removable attaching means 6 have been rotated once the tail has crossed through the through-holes 27 to adopt an operating attachment position.
  • the operator Prior to the placement of the lower panels 2 on shoring posts 10 for the mounting of the formwork 1 in the operating position, the operator will have proceeded to attach the semi-panels 201 and 202 forming a lower panel 2, by placing the connecting transverse edges 271 and 272 facing and overlapping each other, and inserting the curved termination of the tail through the through-holes 27, and rotating the hook-shaped piece until the two supporting surfaces of the removable attaching means 6 enter into contact and remain pressed against the same inner face of one of the two connecting transverse edges 271 or 272 (in Fig.
  • the inner face is the face of the connecting transverse edge 272), thereby securing the attachment of the two semi-panels 201 and 202.
  • each lower panel 2 (its first semi-panel 201 already being attached to its second semi-panel 202) is removably coupled to an adjoining lower panel 2 and already placed in a horizontal position supported by a shoring post 10 (coupled to the second semi-panels 202, except for the initial lower panel, which is supported by two shoring posts 10).
  • each lower panel 2 is provided with hooking means 70 and suspending means 80, located respectively in the rear transverse edge 26 and in the front transverse edge 25, or vice versa.
  • the hooking means 70 are provided in the end transverse edge 262 of the second semi-panel 202 (see Figs. 3 and 4 ) and the suspending means 80 are provided in the end transverse edge 251 of the first semi-panel 201 (see Figs. 5 and 6 ).
  • Fig. 11 corresponds to a non-operating mounting position of the formwork 1, specifically to the mounting and coupling of the lower panels 2, wherein the right lower panel 2 is suspended or hung from the hooking means 70 of the left lower panel 2 and is capable of swinging with respect to the same.
  • a shoring post 10 is coupled to the housing means 20 of the second semi-panel 202 of the right lower panel (as shown in Fig.
  • the operator can swing the right lower panel by pushing the shoring post 10 upwards until the inner face 21 thereof is flush with the inner face 21 of the left lower panel 2.
  • the operator must finish rotating the shoring post 10 until it is arranged perpendicularly to said inner faces 21 and rest the base plate of the shoring post 10 on the ground or on the underlying concrete floor.
  • the end transverse edges 262 and 251 of both adjoining lower panels 2 are attached through the arrangement of removable attaching means 6 thereby acquiring the position represented in Fig. 10 , in which the lower panels 2 must be while in the operating formwork position.
  • Another adjoining lower panel 2 may be hung in the same way from the hooking means 70 of the right lower panel 2, and so on and so forth if the length of the hanging beam so requires it, until the full formwork of the lower face of the beam is complete.
  • the hooking means 70 and their relationship with the rest of the components of the formwork 1 are shown in detail in Figs. 5 to 11 .
  • the hooking means 70 are made up of two hooks that extend in the longitudinal direction of the lower panel 2, protruding from the lower rim of the end transverse edge 262. The opening of each hook is oriented upwards (taking into account that the inner face 21 is up and the outer face 22 is down).
  • the hooking means 70 are provided with a tip at the free end of each hook with an arrowhead configuration.
  • the free end presents an inclined surface 72 configuring a narrowing of the opening of the hook in the opposite direction to the arrowhead, i.e., taking into account the segment with the inclined surface 72, the lower it gets, the greater the decrease in the distance between the arrowhead and the end transverse edge 262.
  • the inclined surface 72 connects with the rest of the hook through a flat retaining surface 73 parallel to the inner face 212 of the semi-panel 202, which flat retaining surface 73 forms a retaining arris 74 with the rest of the hook.
  • the suspending means 80 comprise two portions of sectioned cylindrical bars 8 arranged on the lower rim of the end transverse edge 251 of the first semi-panel 201, which extend in alignment with each other and parallel to the direction of said end transverse edge 251.
  • Each portion of sectioned cylindrical bar 8 presents a convex cylindrical surface 81 protruding below the aforementioned lower rim and extending towards the interior of the first semi-panel 201.
  • the figures also show that each portion of sectioned cylindrical bar 8 presents a complementary flat retaining face 83, located after the convex cylindrical surface 81, and with which it forms a complementary retaining arris 84.
  • the complementary flat retaining face 83 is parallel to the inner face 211 of the first semi-panel 201 and is located in the interior of the semi-panel 201 and separated at a certain distance from the lower rim of its end transverse edge 251.
  • each hook is adapted so as to receive and support a corresponding portion of sectioned cylindrical bar 8 and to enable rotation and swinging, within the opening, of said portion, around the transverse axis of the portion, when the portion rests on its convex cylindrical surface 81, as shown in Fig. 11 .
  • the suspending means are also provided with two suspending through-holes 9, which have a rectangular shape, each one of which is arranged after a corresponding portion of sectioned cylindrical bar 8 extending towards the top of the end transverse edge 251.
  • suspending holes 9 are adapted to house the free ends of the hooks of the hooking means 70 in a non-operating mounting or dismounting and removal position of the first semi-panels 201, wherein a lower panel 2, or its first semi-panel 201, is suspended, with the capacity to swing with respect to an adjoining lower panel 2, a situation represented in Fig. 11 .
  • the ends of the arrowhead tips will be inside the suspending holes 9.
  • each hook is adapted to house the thickness of the end transverse edge 251 of the adjoining lower panel 2 and the respective sectioned portion of cylindrical bar 8 arranged in the aforementioned end transverse edge 251 of the aforementioned adjoining lower panel.
  • the adjoining coupled lower panels 2 cannot swing with respect to one another, not only due to the arrangement of the removable attaching means 6, but also because, prior to the placement of the removable attaching means 6, the suspending means must have first adopted a retaining position wherein each portion of cylindrical bar 8 is fitted in the opening of a corresponding hook of the adjoining lower panel 2 due to the direct contact of the flat retaining surface 73 and the complementary flat retaining face 83, and wherein the complementary retaining arris 84 is arranged parallel to the retaining arris 74.
  • a lower panel 2 cannot rotate with respect to an axis parallel to one of its longitudinal edges 23, 24; instead, it is secured and contributes to the safety of the operators and the stability of the formwork 1.
  • Fig. 10 shows that the end transverse edge 262 of the second semi-panel 202 has a height equivalent to the sum of the height of the end transverse edge 251 of the first semi-panel 201 plus the distance by which one of the sectioned portions of cylindrical bar 8 of the suspending means 80 arranged in the first semi-panel 201 protrudes below said end transverse edge 251.
  • the height of the end transverse edge 251 is shorter than the height of the end transverse edge 262 because this way, two adjoining lower panels 2 can swing with respect to one another, as shown in Fig. 11 , keeping the lower panels 2 separated by a minimum distance marked by the opening of the hooks of the hooking means 70 of the second semi-panel 202.
  • the suspending means 80 comprise guiding means for the coupling of the sectioned portions of cylindrical bars 8 in the corresponding openings of the hooks of an adjoining lower panel 2.
  • the guiding means are arranged internally in each semi-panel 201, that is to say, in the space comprised between the outer face 221 and the longitudinal edges 231, 241, the end transverse edge 251 and the connecting transverse edge 271, specifically on the upper rim of the end transverse edge 251 wherein the sectioned portions of cylindrical bars 8 are provided.
  • These guiding means are clearly shown in Figs. 9 and 10 , and are made up of a corner piece 82 and a stop piece 85 for each sectioned portion of cylindrical bar 8.
  • Each corner piece 82 is constituted by an inclined plane arranged perpendicular to the outer face 221, and which attaches the end transverse edge 251 to the longitudinal edge 231 or 241, with which it forms an inner corner in semi-panel 201, at an angle.
  • Each stop piece 85 is arranged in the aforementioned end transverse edge 251 just above a sectioned portion of cylindrical bar 8, maintaining a separation from the corner piece 82.
  • the dimensions of said separation are adapted to house the arrowhead configuration tip of the free end of a hook of the adjoining lower panel 2. Said tip can slide along the length of the inclined plane of the corner piece 82 until butting up against the stop piece 85.
  • the stop piece 85 has a partially cylindrical configuration such that its cylindrical surface also contributes to the guiding of the arrowhead towards the space comprised between the stop piece and the corner piece 82. As shown in Fig. 9 , the arrangement is such that the complementary flat retaining face 83 of the portion of cylindrical bar 8 is oriented towards the guiding means.
  • the guiding means will help the operator mounting the formwork 1 to place the lower panels 2, one adjoining panel after the other, in the correct position such that the newly placed lower panel 2 swings with respect to the adjoining lower panel that has already been placed in the horizontal (formwork) position.
  • a lower panel 2 has already been placed in an operating formwork position with its inner face 21 in the horizontal position, the initial lower panel 2, for example.
  • the arrowhead tips of the hooks of the hooking means 70 protrude from said lower panel 2.
  • the operator comes with a lower panel 2 that must hang from the one that has already been placed, such that the lower panel 2 to be placed can swing with respect to the one that was placed before.
  • the lower panel 2 in the hands of the operator comprises, near the end transverse edge 251, two spaces delimited by corresponding corner pieces 82 and stop pieces 85.
  • the operator must be able to house the arrowhead of the end transverse edge 262, of the adjoining lower panel that has already been placed, in these spaces such that one can swing with respect to the other.
  • the guiding means allow the operator to place the lower panel 2 correctly without having to look where the spaces and arrowheads are, simply by groping for and slightly moving the lower panel 2 he or she is holding, given that there will be a moment when an arrowhead will rest on the inclined plane of the corner piece 82 or on the cylindrical surface of the stopping means, and in that moment it will be directly guided to be housed in the corresponding space in order to be correctly coupled to the portions of cylindrical bars 8.
  • lateral panels 3 and 4 and the lower panel 2 have been described above on an individual basis, we shall proceed to explain the mounting of the lower panel 2 with respect to the lateral panels 3 and 4 in order to adopt the operating formwork position in Fig. 1 .
  • the two lateral panels 3 and 4 are arranged vertically and parallel to each other, separated from one another by the lower panel 2 arranged horizontally, such that each one of the two longitudinal edges 23, 24 of the lower panels 2 is in flat contact with the inner faces 31, 41 of the lateral panels 3, 4 through mutual affixing means.
  • This arrangement is also shown in Figs. 12 and 13 , wherein, for the purpose of clarity and in order not to hide certain parts, lateral panel 3 has not been drawn.
  • the lower panels 2 and the lateral panels 3 and 4 have been arranged in such a way that a lower panel 2 is affixed to a respective lateral panel 3 and a respective lateral panel 4, such that the longitudinal edges 231 and 232 of the semi-panels 201 and 202 are fully in contact with the inner face 31 of one same lateral panel 3 and the longitudinal edges 241 and 242 are fully in contact with the inner face 41 of one same lateral panel 4.
  • the longitudinal edges 231 and 242 of its first semi-panel 201 may each be in contact with the inner face 31 and the inner face 41 of respective lateral panels 3 and 4, but that the longitudinal edges 232 and 242 of its second semi-panel 202 are in full or partial contact with the inner face 31 and the inner face 41 of other lateral panels 3 and 4 located after the lateral panels 3 and 4 to which the first semi-panel 201 is affixed.
  • This mounting arrangement can reinforce the structural integrity of the overall formwork 1, helping the multiple panels 2, 3 and 4, which are mounted to one another, to maintain a single, straight direction, as it strengthens the attachment between two adjoining lateral panels 3 or 4 belonging to one same side, by virtue of both being affixed along one same lower panel 2.
  • the mutual affixing means between each lower panel 2 and its corresponding lateral panels 3 and 4 comprise at least two through-holes 52 distributed in each one of the longitudinal edges 23 and 24 of the lower panel 2 (see Figs. 3 and 4 ) and at least two series of through-holes 53 and 54 (preferably arranged in the transverse ribs of the lateral panels 3 and 4) through the inner face, 31, 41 and outer face 32, 42 of each lateral panel 3, 4 (see Figs. 14 and 15 ).
  • the through-holes 52 are exclusively located in the longitudinal edges 231 and 241 of the first semi-panel 201, two holes 52 per side. As shown in Figs. 14 and 15 , the holes 53, 54 of the series are distributed linearly in the direction parallel with respect to the transverse edges 35, 36; 45, 46, and the separation between one series and the other, within one same inner face 31, 41, is equivalent to the distance separating the through-holes 52 of one same longitudinal edge 23, 24 of the lower panel 2.
  • the mutual affixing means between the lateral panels 3 and 4, to the lower panel 2, also comprise sets of threaded or dywidag bars 55 (see Figs. 2 , 12 , 13 and 18 ) and wing nuts 56 with threads that correspond to the worm of the bars 55 for tightening them together.
  • each through-hole 52 of the lower panel 2 overlaps one of the holes 53, 54 of one of the lateral panels 3, 4, both overlapping holes being crossed through by a corresponding bar 55 provided with a wing nut on one of its ends, arranged so that it faces the outer face 32, 42 of the corresponding lateral panel 3, 4, which maintains the longitudinal edge 23, 24 of a lower panel 2 in flat contact with the inner face 31, 41 of the lateral panel 3, 4.
  • the mutual affixing means also comprise, for each one of the through-holes 52 distributed in each one of the longitudinal edges 23 and 24 of the lower panel 2, a nut 57 that is firmly attached to the inner side of the respective longitudinal edge 23, 24 of the lower panel 2, with the threaded hole of the nut 57 placed after and overlapping the through-hole 52, and the thread of which corresponds to the worm of the bars 55 for tightening them together.
  • the rotation of the wing nuts 56 of each side will result in the lower panel 2 being pressed against the inner faces 31 and 41 of the lateral panels 3 and 4.
  • Fig. 16 shows another variant of the lower panel 2, wherein not only the first semi-panel 201 is provided with through-holes 52, but also the second semi-panel 202 comprises a through-hole 52 in each one of its longitudinal edges 232 and 242.
  • This distribution of the through-holes 52 between the two semi-panels 201 and 202 is especially recommended, given that the forces are better distributed and the bending and deformation of their components is reduced when the through-holes 52 are distributed and separated by smaller distances.
  • a first semi-panel 201 is firmly coupled to a second semi-panel 202 through removable attaching means 6 in order to constitute a lower panel 2.
  • all lower panels 2 should already be coupled with their semi-panels 201 and 202.
  • One of these lower panels 2 is the initial lower panel, which is placed first and is the only one with a shoring post 10 coupled to its first semi-panel 201 through the housing means 29.
  • the initial lower panel 2 is placed in the horizontal position, supported by two shoring posts 10, one coupled to the first semi-panel 201 and the other coupled to the housing means 20 of the second semi-panel 202. Subsequently, another lower panel 2 is placed next to the first, hung from the hooking means 70 through its suspending means 80. The second semi-panel 202 of this new lower panel 2 will first hang, such that it can swing, from the first horizontal lower panel.
  • the operator having coupled another shoring post 10 to the second semi-panel 202 of the new lower panel 2, will raise the shoring post 10, which can rotate with respect to the lower panel 2 by virtue of being coupled to the housing means 20 through the peg 11, and thus will push the second lower panel 2 until it is flush with the other lower panel 2.
  • All lower panels 2 must be mounted in the same manner. Then, on each side, the lateral panels 3 and 4 will be mounted vertically by inserting the bars 55 in the through-holes 53, 54 and 52 and by rotating the corresponding wing nuts 56, the free ends of the bars 55 thus being screwed into the nuts 57 of the lower panels, as shown in Fig. 13 . As shown in Fig. 1 , the lateral panels of one same side, i.e., all lateral panels 3 or all lateral panels 4, connect to each other through the removable attaching means 6 described for the attachment between the lower panels 2.
  • the concreting process will take place, and once the time necessary for the concrete to acquire a certain resistance has elapsed, specifically twenty-four hours after concreting, firstly all of the lateral panels 3 and 4 can be removed by unscrewing the wing nuts 56 and by extracting the bars 55 from the through-holes 52. Then, three days after the concreting, the shoring of the formwork 1 can be partially removed by removing the first semi-panels 201 (including the initial semi-panel) leaving only the second semi-panels 202 to hold up the concreted hanging beam.
  • the removal of the first semi-panels 201 is carried out by removing the removable attaching means 6 that attach the first semi-panels 201 to the second semi-panels 202, and by pulling downwards (grasping them by a handle provided for said purpose, see Fig. 7 ) from the end transverse edge 271 in order for the semi-panel 201 to swing with respect to the second semi-panel 202 next to the one that is suspended. Once the first semi-panel 201 swings, it can be easily taken out from the hooks.
  • the only semi-panel 201 that is not removed as provided above is the initial semi-panel, which is removed by lowering the shoring post 10 coupled to the same, reducing the length thereof and pulling the semi-panel 201 downwards, given that it is the only one that is not suspended in order to swing from an adjoining second semi-panel 202.
  • the second semi-panels 202 are removed twenty-eight days after concreting, when the concrete has acquired its final resistance.

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  • Engineering & Computer Science (AREA)
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Claims (16)

  1. Schalung (1) für einen unter einer Bodenplatte vorstehenden Hängebalken, wobei die Schalung (1) eine Vielzahl von seitlichen Platten (3, 4) und unteren Platten (2) umfasst, wobei jede Platte eine Innenfläche (21, 31, 41) aufweist, die jeweils eine Fläche des Balkens bildet, und wobei die seitlichen Platten (3, 4) einer jeden Seite in einer operativen Schalungsposition vertikal und parallel zueinander angeordnet sind und durch die horizontal angeordneten unteren Platten (2) voneinander getrennt sind, so dass die Längskanten (23, 24) der unteren Platten (2) durch gegenseitige Befestigungsmittel (52, 53, 54, 55, 56, 57) in flachem Kontakt mit den Innenflächen (31, 41) der seitlichen Platten (3, 4) sind, wobei die Befestigung der unteren Platten (2) an den seitlichen Platten (3, 4) zur Anpassung der Schalung an unterschiedlich hohe Hängebalken höhenverstellbar ist, und jede untere Platte (2) aus zwei Halbplatten (201, 202) besteht, wobei die erste Halbplatte (201) länger als die zweite Halbplatte (202) ist, wobei jede Halbplatte (201; 202) eine innere Formfläche (211; 212), eine äußere Fläche (221; 222), zwei Längskanten (231, 241; 232, 242), eine Endquerkante (251; 262) und eine Verbindungsquerkante (271; 272) aufweist, die mit der Verbindungsquerkante (272; 271) der anderen Halbplatte (202; 201), mit der sie eine einzige untere Platte (2) bildet, verbunden ist, wobei das Innere einer Halbplatte aus dem nach außen gerichteten und durch ihre Außenfläche sowie durch ihre Längs- und Querkanten begrenzten offenen Raum besteht, wobei all diese Elemente so gestaltet sind, dass in der Kopplungsposition der beiden, eine einzige untere Platte (2) bildenden Halbplatten (201; 202) die Innenflächen (211; 212) und Außenflächen (221; 222) der beiden Halbplatten bündig sind und jeweils die Innenfläche (21) und die Außenfläche (22) der unteren Platte (2) bilden, wobei die in koplanarer Weise angeordneten Längskanten (231, 241; 232, 242) der beiden Halbplatten die Längskanten (23, 24) der unteren Platte (2) bilden, und die Endquerkante (251) der ersten Halbplatte (201) und die Endquerkante (262) der zweiten Halbplatte (202) die beiden Querkanten (25, 26) der unteren Platte (2) bilden, wobei die beiden Halbplatten (201, 202) durch abnehmbare Befestigungsmittel (6), die so ausgebildet sind, dass ihre Verbindungsquerkanten (271, 272) durch flächigen Kontakt aneinander befestigt werden können, zur Ausbildung der unteren Platte (2) lösbar miteinander verbunden werden können, dadurch gekennzeichnet, dass die Verbindungsquerkante (271) der ersten Halbplatte (201) mit ihrer Innenfläche (211) einen stumpfen Winkel bildet und die Verbindungsquerkante (272) der zweiten Halbplatte (202) zusätzlich zu dem vorgenannten stumpfen Winkel einen spitzen Winkel bildet; und dass jede zweite Halbplatte (202) mit einem Stützpfosten (10) zum Abstützen der unteren Platten (2) verbunden ist, was nach vorheriger Entfernung der Seitenplatten (3, 4) die Trennung der ersten Halbplatten (201) von der übrigen Schalung (1) ermöglicht, wobei die zweiten Halbplatten (202) durch die entsprechenden Stützpfosten (10) abgestützt bleiben; und dass die zweite Halbplatte (202) jeder unteren Platte (2) mit einer Aufnahmevorrichtung (20) versehen ist, um in der zweiten Halbplatte das Ende eines Bolzens oder Zapfens (11), dessen anderes Ende in das obere Ende des Stützpfostens (10) oder Trägers eingeführt werden kann, lösbar zu verbinden, wobei die genannte Aufnahmevorrichtung (20) unterhalb der Außenfläche (222) verbunden ist und um eine Querachse drehbar angeordnet ist, die parallel zu der Richtung verläuft, in die sich die Endquerkante (262) der zweiten Halbplatte erstreckt, derart ausgestaltet, dass der durch den Bolzen oder Zapfen (11) in die Aufnahmevorrichtung (20) eingesetzte Stützpfosten (10) oder Träger in der Lage ist, eine Position im Bereich von mindestens einem spitzen Winkel bis zu einem rechten Winkel relativ zu der Außenfläche (222) der zweiten Halbplatte (202) einzunehmen.
  2. Schalung (1) nach Anspruch 1, dadurch gekennzeichnet, dass jede untere Platte (2) mit an einer jeweiligen Querkante (25, 26) befindlichen Einhakmitteln (70) und Aufhängemitteln (80) versehen ist, mit denen eine untere Platte (2) in einer nicht operativen Montage- oder Demontageposition der Schalung (1) an einer anderen, an die erste anschließenden unteren Platte (2) schwenkbar aufgehängt werden kann, da die Einhakmittel (70) einer unteren Platte zur verbindenden Aufnahme der Aufhängemittel (80) der anschließenden unteren Platte (2) oder umgekehrt ausgebildet sind.
  3. Schalung (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Einhakmittel (70) mindestens zwei in Längsrichtung der unteren Platte (2) verlaufende Haken umfassen, die aus dem unteren Rand der Endquerkante (251, 262) einer der die untere Platte (2) bildenden Halbplatten (201, 202) zur Außenseite der Halbplatte herausragen, und deren Hakenöffnung nach oben und zur Innenfläche (211, 212) der Halbplatte weist und zur verbindenden Aufnahme der Aufhängemittel (80) der anschließenden unteren Platte (2) ausgebildet ist und deren Dreh- und Schwenkbewegung innerhalb der Öffnung ermöglicht.
  4. Schalung (1) nach Anspruch 3, dadurch gekennzeichnet, dass die Aufhängemittel (80) zwei Abschnitte von abgeteilten zylindrischen Stäben (8) umfassen, die am unteren Rand der Endquerkante (262, 251) der anderen Halbplatte (202, 201) der unteren Platte (2) angeordnet sind, und die sich bündig und parallel zur Richtung der genannten Endquerkante erstrecken und so gestaltet sind, dass jeder Abschnitt des abgeteilten zylindrischen Stabs (8) eine über den unteren Rand der Endquerkante (262, 251) hinausragende und sich zum Inneren der Halbplatte (202, 201) erstreckende konvexe zylindrische Fläche (81) aufweist, wobei die Öffnung jedes Hakens der Einhakmittel (70) so ausgestaltet ist, dass sie einen entsprechenden Abschnitt des abgeteilten zylindrischen Stabs (8) aufnehmen und tragen kann und eine Dreh- und Schwenkbewegung des genannten Abschnitts um die Querachse des Abschnitts in der Öffnung ermöglicht, wenn der Abschnitt auf seiner konvexen zylindrischen Oberfläche (81) ruht, und dass jeweils zwei durchgehende Aufhängelöcher (9) nach einem entsprechenden Abschnitt des zylindrischen Stabs (8) so angeordnet sind, dass sie sich zum oberen Ende der Endquerkante (262, 251) hin erstrecken und so ausgebildet sind, dass sie in einer nicht operativen Montage- oder Demontageposition die freien Hakenenden der Einhakmittel (70) aufnehmen können, wobei eine untere Platte (2) relativ zu einer anschließenden unteren Platte schwenkbar aufgehängt ist.
  5. Schalung (1) nach Anspruch 4, dadurch gekennzeichnet, dass die Einhakmittel (70) und die Aufhängemittel (80) gegenseitige Arretiermittel aufweisen, mittels derer eine untere Platte (2) von einem aufgehängten Zustand in einer nichtoperativen Montage- oder Demontageposition der Schalung (1) in den arretierten Zustand einer operativen Schalungsposition ohne Möglichkeit zur Schwingung relativ zu einer anschließenden unteren Platte (2) bewegt werden kann, wobei die Innenflächen (21) der beiden anschließenden unteren Platten (2) so angeordnet sind, dass sie in der genannten operativen Schalungsposition bündig sind, wenn die Einhakmittel (70) einer unteren Platte die Aufhängemittel (80) einer anschließenden unteren Platte (2) verbindend aufnehmen und die Aufhängemittel (80) eine Arretierstellung aufweisen.
  6. Schalung (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Arretiermittel der Einhakmittel (70) durch eine Spitze des freien Endes eines jeden Hakens mit einer Pfeilspitzenanordnung gebildet werden, wobei das freie Ende eine geneigte Fläche (72) aufweist, die eine Verengung der Hakenöffnung in entgegengesetzter Richtung zu der Pfeilspitze bildet und die geneigte Fläche (72) durch eine flache Haltefläche (73) parallel zur Innenfläche (212, 211) der Halbplatte (202, 201), aus der die Haken herausragen, mit dem übrigen Haken verbindet, wobei die flache Haltefläche (73) mit dem übrigen Haken eine Haltekante (74) bildet, und dass jeder Abschnitt des abgeteilten zylindrischen Stabs (8) der Aufhängevorrichtung (80) eine komplementäre flache Haltefläche (83) aufweist, die sich hinter der konvexen zylindrischen Fläche (81), mit der sie eine komplementäre Haltekante (84) bildet, befindet, wobei die komplementäre flache Haltefläche (83) parallel zu der Innenfläche (211, 212) der Halbplatte (202, 201) ist, auf der die Aufhängemittel (80) angeordnet sind, und die komplementäre flache Haltefläche (83) innen an der entsprechenden Halbplatte (202, 201) angeordnet und einen bestimmten Abstand vom unteren Rand ihrer Endquerkante (262, 251) entfernt liegt, wobei all diese Elemente so gestaltet sind, dass die Aufhängemittel (80) einer unteren Platte (2) eine Arretierstellung einnehmen können, in der jeder Abschnitt des abgeteilten zylindrischen Stabs (8) einer unteren Platte (2) durch direkten Kontakt der flachen Haltefläche (73) mit der komplementären flachen Haltefläche (83) in die Öffnung eines entsprechenden Hakens der anschließenden unteren Platte (2) passt, und in der die komplementäre Haltekante (84) parallel zur Haltekante (74) angeordnet ist.
  7. Schalung (1) nach Anspruch 6, dadurch gekennzeichnet, dass die Aufhängemittel (80) Führungen zur Verbindung der Abschnitte von abgeteilten zylindrischen Stäben (8) in den entsprechenden Öffnungen der Haken einer anschließenden unteren Platte (2) umfassen.
  8. Schalung (1) nach Anspruch 7, dadurch gekennzeichnet, dass die Führungen innen an der Halbplatte (201; 202) am oberen Rand derselben Endquerkante (251; 262), an der sich die Abschnitte der abgeteilten zylindrischen Stäbe (8) befinden, angeordnet sind und für jeden Abschnitt des abgeteilten zylindrischen Stabs (8) ein Eckstück (82) und ein Anschlagstück (85) umfassen, wobei das Eckstück (84) eine senkrecht zur Außenfläche (221; 222) der Halbplatte (201; 202) angeordnete geneigte Fläche aufweist, und die vorgenannte Endquerkante (251; 262) mit der angrenzenden Längskante (231, 241; 232, 242), mit der sie eine Innenecke in der Halbplatte (201, 202) bildet, winklig befestigt, wobei das Anschlagstück (85) an der vorgenannten Endquerkante (251, 262) oberhalb des Abschnitts des abgeteilten zylindrischen Stabs (8) angeordnet ist und einen Abstand zum Eckstück (82) aufweist, dessen Maße zur Aufnahme der Pfeilspitzenanordnung eines freien Hakenendes der anschließenden unteren Platte (2) ausgelegt sind, wobei die Spitze in der Lage ist, an der geneigten Fläche des Eckstücks (82) entlang zu gleiten, bis sie gegen das Anschlagstück (85) anstößt, und das komplementäre flache Halteteil (83) des Abschnitts des abgeteilten zylindrischen Stabs (8) auf die Führung hin ausgerichtet ist.
  9. Schalung (1) nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, dass die Hakenöffnung eines jeden Hakens der Einhakmittel (70) einer unteren Platte (2) zur Aufnahme der Dicke der Endquerkante (262, 251) der anschließenden unteren Platte (2) und des jeweiligen Abschnitts des in der vorgenannten Endquerkante angeordneten abgeteilten zylindrischen Stabs (8) ausgebildet ist.
  10. Schalung (1) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass jede seitliche (3, 4) oder untere (2) Platte eine Innenfläche (21, 31, 41), die eine entsprechende Fläche des Balkens bildet, und eine mit Querrippen sowie mit Längs- (23, 24; 33, 34; 43, 44) und Querkanten (25, 26; 35, 36; 45, 46) versehene Außenfläche (22; 32; 42) aufweist, wobei das Innere einer Platte aus dem nach außen gerichteten und durch ihre Außenfläche sowie durch die Längs- und Querkanten begrenzten offenen Raum besteht, und wobei alle Längs- (23, 24; 33, 34; 43, 44) und Querkanten (25, 26; 35, 36; 45, 46) der unteren (2) und der seitlichen (3, 4) Platten aus jeweils flachen Flächen senkrecht zu den Innenflächen (21; 31; 41) der Platten bestehen und sich von den genannten Innenflächen bis über die Außenflächen (22; 32; 42) der Platten hinaus erstrecken.
  11. Schalung (1) nach Anspruch 10 und nach einem der Ansprüche 2 bis 9, dadurch gekennzeichnet, dass die Einhakmittel (70) an der Endquerkante (262) der zweiten Halbplatte (202) einer unteren Platte (2) und die Aufhängemittel (80) an der Endquerkante (251) der ersten Halbplatte (201) angeordnet sind.
  12. Schalung (1) nach den Ansprüchen 10, 11 und nach einem der Ansprüche 4 bis 9, dadurch gekennzeichnet, dass die Höhe der Endquerkante (262) der zweiten Halbplatte (202) gleich der Summe aus der Höhe der Endquerkante (251) der ersten Halbplatte (201) und der Entfernung ist, um die einer der Abschnitte des abgeteilten zylindrischen Stabs (8) der in der ersten Halbplatte (201) angeordneten Aufhängemittel (80) unter der genannten Endquerkante (251) herausragt.
  13. Schalung (1) nach Anspruch 10 und nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die gegenseitigen Befestigungsmittel (52, 53, 54, 55, 56, 57) zwischen den unteren Platten (2) und den seitlichen Platten (3, 4) mindestens zwei an jeder der Längskanten (23, 24) der unteren Platten (2) angeordnete Durchgangslöcher (52) und mindestens zwei Reihen von Durchgangslöchern (53, 54) durch die Innenflächen (31, 41) und Außenflächen (32, 42) jeder seitlichen Platte (3, 4), aufweisen, wobei die Löcher (53, 54) der Reihen parallel zu den Querkanten (35, 36; 45, 46) der Seitenplatten (3, 4) linear angeordnet sind, und wobei der Abstand zwischen den beiden Reihen dem Abstand zwischen den Durchgangslöchern (52) ein und derselben Längskante (23, 24) in einer unteren Platte (2) entspricht, und dass die gegenseitigen Befestigungsmittel auch Sätze von Gewindestangen bzw. Dywidag-Stangen (55) und Flügelmuttern (56) umfassen, deren Gewinde dem Gewinde der zu ihrer Verschraubung bestimmten Stäbe (55) entspricht, wobei alle Elemente so angeordnet sind, dass in der operativen Schalungsposition jedes Durchgangsloch (52) einer unteren Platte eines der Löcher (53, 54) der seitlichen Platten (3, 4) überlappt, wobei die beiden Löcher von einem zugehörigen Stab (55) durchquert werden, der an einem seiner Enden mit einer Flügelmutter versehen ist, welche die Längskante (23, 24) einer unteren Platte (2) in flachem Kontakt mit der Innenfläche (31, 41) einer seitlichen Platte (3, 4) oder mit den Innenflächen zweier anschließender seitlicher Platten (3, 4) hält.
  14. Schalung (1) nach Anspruch 13, dadurch gekennzeichnet, dass die gegenseitigen Befestigungsmittel (52, 53, 54, 55, 56, 57) auch für jedes der jeweils in den Längskanten (23, 24) der unteren Platte (2) angeordneten Durchgangslöcher (52) eine Mutter (57) umfasst, die fest an der Innenseite der genannten Längskante (23, 24) befestigt ist, wobei das Gewindeloch der Mutter (57) hinter dem Durchgangsloch (52) angeordnet ist und dieses überlappt und das Gewinde der Mutter dem Gewinde der zu ihrer Verschraubung bestimmten Stäbe (55) entspricht.
  15. Schalung (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jede Verbindungsquerkante (271; 272) der beiden Halbplatten (201, 202), die eine einzige untere Platte (2) bilden, mindestens ein Durchgangsloch (27) aufweist, das in der operativen Schalungsposition das Durchgangsloch (27) der Verbindungsquerkante (272; 271) der zugehörigen Halbplatte (202, 201) überlappt, wobei die genannten Durchgangslöcher (27) so ausgebildet sind, dass die abnehmbaren Befestigungsmittel (6) zur Befestigung durch flächigen Kontakt der verbindenden Querkanten (271, 272) in der operativen Schalungsposition durch sie hindurchtreten.
  16. Schalung (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die oberen Längskanten (34, 44) der seitlichen Platten (3, 4), die als die am weitesten von der unteren Platte (2) entfernten Längskanten gedacht sind, entlang ihrer Ränder eine Füllung (12) aus einem Material wie etwa Holz aufweisen, die durch Einschlagen von Nägeln direkt ein horizontales Schalungsbrett der Bodenplatte, zu der der Hängebalken gehört, tragen und daran befestigt werden kann.
EP14744610.8A 2013-07-29 2014-07-07 Schalung für einen hängebalken Active EP3029217B1 (de)

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ES201331166A ES2527895B1 (es) 2013-07-29 2013-07-29 Encofrado para una viga de cuelgue
PCT/ES2014/070551 WO2015015026A1 (es) 2013-07-29 2014-07-07 Encofrado para una viga de cuelgue

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CN108532968A (zh) * 2018-06-05 2018-09-14 上海绿地建设(集团)有限公司 一种钢筋桁架楼承板组合楼盖的装配式支撑装置
DE102018118230A1 (de) * 2018-07-27 2020-01-30 Peri Gmbh Lagerkopf mit abspanntraverse und damit verbundenes deckenschalungssystem
CN109518952B (zh) * 2018-12-28 2023-10-20 云南建投第二建设有限公司 一种用于装配式建筑主次梁节点支撑、定位、模板装置
CN110499913B (zh) * 2019-08-06 2023-09-01 深圳市胜德建筑科技有限公司 组合式梁底拆头、梁底支撑系统及其安装方法
CN112627523A (zh) * 2020-12-17 2021-04-09 夏幸钢 一种房屋建筑工程施工用吊模装置

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ES2527895A1 (es) 2015-01-30
ES2527895B1 (es) 2015-11-05
MA38823A1 (fr) 2016-10-31
PE20160147A1 (es) 2016-04-13
PH12016500193A1 (en) 2016-05-02
CL2016000250A1 (es) 2016-08-12
MX2016001002A (es) 2016-07-08
PH12016500193B1 (en) 2016-05-02
WO2015015026A1 (es) 2015-02-05
CN105452582B (zh) 2018-01-02
CN105452582A (zh) 2016-03-30
MA38823B1 (fr) 2017-09-29
EP3029217A1 (de) 2016-06-08

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