EP3004489A1 - System and method for constructing a superstructure - Google Patents

System and method for constructing a superstructure

Info

Publication number
EP3004489A1
EP3004489A1 EP14736981.3A EP14736981A EP3004489A1 EP 3004489 A1 EP3004489 A1 EP 3004489A1 EP 14736981 A EP14736981 A EP 14736981A EP 3004489 A1 EP3004489 A1 EP 3004489A1
Authority
EP
European Patent Office
Prior art keywords
supporting
head
panels
panel
formwork
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP14736981.3A
Other languages
German (de)
French (fr)
Other versions
EP3004489B1 (en
Inventor
Davide PEDRAZZANI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tecnotelai Components Srl
Original Assignee
Tecnotelai Components Srl
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 Tecnotelai Components Srl filed Critical Tecnotelai Components Srl
Publication of EP3004489A1 publication Critical patent/EP3004489A1/en
Application granted granted Critical
Publication of EP3004489B1 publication Critical patent/EP3004489B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E04G11/38Forms, 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 for plane ceilings of concrete
    • 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
    • E04G2009/023Forming boards or similar elements with edge protection
    • E04G2009/025Forming boards or similar elements with edge protection by a flange of the board's frame
    • 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
    • E04G2009/023Forming boards or similar elements with edge protection
    • E04G2009/026Forming boards or similar elements with edge protection specific for corners
    • 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 system for constructing a superstructure.
  • a system for constructing a concrete ceiling comprises a first and a second row of adjacent panels. Between the first and the second row there is a metal or plastic strip having perimeter flaps that overlap the edges of the panels of the first and of the second row. The panels of the first and of the second row, as well as the interposed strip, make up part of the bottom of a formwork into which concrete is introduced to form the ceiling slab.
  • the whole consisting of the first and second panel and the interposed strip is modularly repeated so as to define overall the bottom of the formwork.
  • the strips of the various elementary modules extend parallel to one another.
  • the system preferably comprises a plurality of supporting heads whereupon the strips interposed between the pairs of panels rest.
  • the system further comprises supporting beams.
  • the supporting beams have opposite ends resting on vertically movable portions belonging to two adjacent heads. In this manner, the supporting beams can be raised and lowered.
  • the supporting beams support the panels and extend perpendicularly to the strip. Once a predetermined time has elapsed after the pouring of concrete into the formwork, it is possible to lower the movable portions of the heads and hence the panels and beams supported by them.
  • the supporting heads for the slab are left for a further period of time. In this manner, the panels and beams can be reused prior to complete solidification of the concrete slab.
  • the metal strip is important, since it enables one panel to be spaced apart from another. This space is fundamental in order to be able to grasp the panels correctly and permit the removal thereof (once lowered by means of the movable portions of the heads).
  • the technical task at the basis of the present invention is to facilitate setting in place the system for constructing superstructures.
  • a further important object of the present invention is to enable the construction of a formwork whose layout can be easily adapted to the geometry of the slab to be formed.
  • Figure 1 shows a system according to the present invention
  • Figure 2 shows the system of figure 1 , from which some components have been omitted;
  • FIGS 3, 4, 5, 6 show components of the system according to the present invention
  • Figure 7 shows the system of figure 1 from another point of view
  • Figure 8 shows a constructive detail of the system according to the present invention
  • Figure 9 shows a view from below of the system according to the present invention. Detailed description of preferred embodiments of the invention
  • the reference number 1 indicates a system for constructing a superstructure.
  • Said superstructure is typically a ceiling, a floor or more generically a covering.
  • the system 1 is a system for temporarily supporting a superstructure.
  • the system 1 comprises a first supporting head 2 which enables temporary support of a superstructure during the phase of construction thereof.
  • the system 1 also comprises a supporting post (not illustrated) on which the first supporting head 2 is positioned.
  • the first supporting head 2 is removable from the post, but it could also be integrated within the post, for example so as to form a single body.
  • the system 1 comprises a plurality of supporting heads. In the course of the present description, what is described in detail with reference to the first supporting head 2 can also be repeated for all of the other supporting heads making up the system 1 .
  • the system 1 further comprises a first and a second panel 3,4, which, in a first configuration, are adjacent and in contact with each other.
  • the first and second panels 3,4 contribute to defining a bottom of a formwork intended to receive poured concrete so as to form the superstructure.
  • the system 1 comprises a first beam 5 for supporting the first panel 3 (the first beam 5 directly or indirectly supports the first panel 3; the first beam 5 supports the panel 5 in cooperation with at least another beam as better explained below).
  • the first supporting beam 5 (in particular one end thereof) rests on a raisable/lowerable portion of said first head 2.
  • the system 1 also comprises an additional beam, which serves to support the second panel 4. More in general, the system 1 comprises a plurality of supporting beams of at least one corresponding panel. Each of said beams is supported by a pair of supporting heads.
  • the system 1 comprises a plug 6 placed on an upper end of the first head 2.
  • the plug 6 blocks off a space 60 interposed between the first and the second panel 3,4 and contributes to delimiting the bottom of the formwork.
  • the plug 6 can have different shapes.
  • the plug is polygonal.
  • the plug is triangular (see figure 3 or 4), or rhomboidal (see figure 5), or swallow tail shaped (see figure 6).
  • the plug 6 is made of plastic material.
  • the plug 6 is a single piece.
  • the swallow tail shape is useful for constructing a formwork with a layout defining a perimeter with a 90° angle.
  • the system 1 further comprises means 61 for removably coupling said plug 6 and said first head 2.
  • the coupling means 61 comprises at least a shaped projecting element which fits into a corresponding seat (also definable as a mating profile); the projecting element and seat are fashioned reciprocally in the first head 2 and in the plug 6.
  • the plug 6 comprises an edge 62, which in said first configuration partly overlaps the first and second panels 3, 4.
  • the edge 62 enables a seal to be formed with the first and the second panel 3, 4. In this manner, the risk of concrete passing through the first and second panels 3, 4 is minimized.
  • the first and second panels 3, 4 in combination identify an upper horizontal surface defining a bottom surface of a formwork intended to receive poured concrete for forming the superstructure.
  • the edge 62 overlaps the horizontal surface. The edge 62, in a configuration in which concrete is being poured, conveniently rests upon said formwork bottom defined by the first and second panels 3, 4.
  • the first panel 3 comprises a stiffening beam 32, which in said first configuration is inserted into a seat 320 of said first supporting beam 5.
  • the first panel 3 comprises a plurality of stiffening beams 32 (preferably three, advantageously parallel and, possibly, equally spaced).
  • the stiffening beams 32 are inserted into corresponding seats 320 fashioned in the first supporting beam 5 and in an additional beam that extends parallel to the first beam 5 (the third beam 93 in the case of figure 9).
  • the stiffening beams 32 are metal, preferably aluminum.
  • the first panel 3 is substantially polygonal, in particular, substantially rectangular.
  • the perimeter edge of the first panel 3, in an area where at least two sides are connected, is chamfered or coupled so as to define said space 60 interposed between the first and second panels 3, 4.
  • the first rectangular panel 3 has two perimeter vertices, whilst another two perimeter vertices are chamfered.
  • a vertical downward projection of the perimeter of said space 60 interposed between the first and second panels 3,4 does not intersect the upper end of the first supporting head 2.
  • the first and the second panel 3,4 respectively have two adjacent sides 30, 40, which are reciprocally in contact for over 75% of their total length.
  • the space 60 interposed between the first and second panels 3,4 can be entirely surrounded by a group of panels belonging to the system 1 .
  • the system 1 can comprise a third and a fourth panel.
  • the space 60 interposed between the first and second panels 3, 4 can be delimited by the first, second, third and fourth panels (in such a case, the rhomboidal plug of figure 5 is used).
  • the panels described herein and designed to make up the formwork are made of wood. This does not preclude their also being made of other materials in certain cases.
  • FIG. 1 illustrates a space 60 that is located along the perimeter of the bottom 10 of the formwork and is triangular, with one side open (the other two being defined by the first and second panels 3, 4).
  • the first panel 3 comprises a lateral edge comprising a drip groove 33 to prevent the passage of concrete between the first and second panels 3,4. Practically, when any drops of concrete that get between one panel and the adjacent one encounter the drip groove 33, they are introduced into it.
  • An analogous feature can be provided for the second panel 4 and more in general all the panels intended to make up the formwork.
  • the system 1 comprises a second supporting head 20 to enable the temporary support of a superstructure during its construction; said first supporting beam 5 has two ends that rest respectively on the first and second supporting heads 5, 20.
  • the system 1 comprises an additional plug serving to close off a space interposed between a pair of panels 601 , 602 belonging to the system and intended to contribute to defining the bottom 10 of the formwork (see figure 9).
  • One of the panels of the pair 601 , 602 can also be said first panel 3 (unillustrated embodiment).
  • the additional plug is removably constrained to an upper end of said second supporting head 20.
  • the first supporting beam 5 is movable between a raised configuration of supporting the bottom 10 of the formwork and a lowered configuration in which it permits the removal of the first panel 3 (in fact, when the beam 5 is lowered, a gap is generated between the poured concrete above and the first panel 3).
  • a grid is interposed between the panels of the formwork and the stiffening beams.
  • the object of the present invention further relates to a method for constructing a superstructure.
  • This method can be advantageously implemented through the system 1 having one or more of the previously described features.
  • the method comprises the step of constructing a lower bottom 10 of a formwork intended to receive poured concrete.
  • the step of constructing a lower bottom 10 of a formwork comprises the substeps of:
  • first and a second panel 3, 4 in contact and adjacent to each other, thus defining an interposed space 60;
  • first panel 3 being supported by at least a first supporting beam 5 supported by at least a first lowerable portion 21 belonging to a first supporting head 2;
  • second panel 4 being supported by at least a second supporting beam 50 supported by at least a second lowerable portion 22 of the first supporting head 2;
  • first beam 5 is also supported by a second head 20 having a lowerable and raisable arm.
  • the second beam 50 is also supported by a third head 91 having a lowerable and raisable arm;
  • the insertion of the plug 6 into the space 60 takes place after the step of positioning the first and second panels 3, 4 in contact and adjacent to each other, thus defining said interposed space 60.
  • the method further comprises the step of completing the formwork, for example, making the sides of the formwork.
  • the method then envisages pouring concrete into said formwork.
  • the method envisages removing the first and second panels 3,4 maintaining the upper end of the first head 2 to support the superstructure.
  • the step of removing the first and second panels 3, 4 envisages removing the first and second beams 5,
  • the step of removing said first and second supporting beams 5,50 comprises the step of lowering said first and said second portion 21 , 22 of said first supporting head 2 on which the first and second supporting beams 5,50 rest, respectively, the plug 6 remaining interposed between the upper end of the first head 2 and the superstructure.
  • the step of removing the first supporting beam 5 also envisages lowering the raisable/lowerable arm of the second head 20 which supports the first beam 5, maintaining the upper end of the second head 20 to support the superstructure.
  • the step of removing the second beam 50 envisages also lowering the raisable/lowerable arm of the third head 91 which supports the second beam 50, maintaining the upper end of the third head 91 to support the superstructure.
  • the first panel 3 is also supported by a third supporting beam 93 supported at the ends by a fourth and a fifth supporting head 94, 95, which enable the raising and lowering thereof.
  • the third beam 93 is parallel to the first beam 5.
  • the second panel 4 is supported by a fourth supporting beam 92 supported by the fourth and by a sixth supporting head 94, 96, which enable the raising and lowering thereof.
  • the first and the third beam 5, 93 are parallel and extend on two opposite sides of the first panel 3 (which is advantageously rectangular, with at least two chamfered vertices).
  • the second and fourth beams 50, 92 are parallel and lie on two opposite sides of the second panel 4 (which is advantageously rectangular, with at least two chamfered vertices).
  • the step of removing the first and second panels 3, 4 envisages also removing the third and fourth beams 93,92.
  • the present invention enables multiple advantages to be obtained.
  • the formwork achieves a perfect sealing action on the concrete introduced therein.
  • a further important advantage is tied to the utmost simplicity of positioning the plugs, given their limited size, which makes them easier to handle.
  • a further important advantage is tied to the fact that different shapes of the plugs enable the formwork layout to be adapted so as to achieve complex geometries.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

A system for constructing a superstructure comprising: -a first supporting head (2) which permits the temporary support of a superstructure during the phase of construction; -a first and a second panel (3,4), which in a first configuration are adjacent and in contact with each other and contribute to defining a bottom of formwork intended to receive poured concrete for constructing the superstructure; -a first supporting beam (5) for the first panel (3), said first supporting beam (5) resting upon a raisable/lowerable portion of said first head (2); -a plug (6) placed on an upper end of the first head (2), said plug (6) blocking off a space (60) interposed between the first and second panels (3,4) and contributing to delimiting the bottom of the formwork.

Description

DESCRIPTION
System and method for constructing a superstructure
Technical field
The present invention relates to a system for constructing a superstructure.
Background art
A system for constructing a concrete ceiling is known. The known system comprises a first and a second row of adjacent panels. Between the first and the second row there is a metal or plastic strip having perimeter flaps that overlap the edges of the panels of the first and of the second row. The panels of the first and of the second row, as well as the interposed strip, make up part of the bottom of a formwork into which concrete is introduced to form the ceiling slab.
The whole consisting of the first and second panel and the interposed strip is modularly repeated so as to define overall the bottom of the formwork. The strips of the various elementary modules extend parallel to one another.
The system preferably comprises a plurality of supporting heads whereupon the strips interposed between the pairs of panels rest. The system further comprises supporting beams. The supporting beams have opposite ends resting on vertically movable portions belonging to two adjacent heads. In this manner, the supporting beams can be raised and lowered. The supporting beams support the panels and extend perpendicularly to the strip. Once a predetermined time has elapsed after the pouring of concrete into the formwork, it is possible to lower the movable portions of the heads and hence the panels and beams supported by them. The supporting heads for the slab, in contrast, are left for a further period of time. In this manner, the panels and beams can be reused prior to complete solidification of the concrete slab. The metal strip is important, since it enables one panel to be spaced apart from another. This space is fundamental in order to be able to grasp the panels correctly and permit the removal thereof (once lowered by means of the movable portions of the heads).
One disadvantage of this constructive solution is tied to the fact that the strips are several meters long and both setting them in place and removing them is not easy. It in fact involves moving very long, heavy bodies several meters above ground. Moreover, the strips are available on the market with different lengths, but a single fixed width.
Disclosure of the invention
In this context, the technical task at the basis of the present invention is to facilitate setting in place the system for constructing superstructures. A further important object of the present invention is to enable the construction of a formwork whose layout can be easily adapted to the geometry of the slab to be formed.
The stated technical task and specified objects are substantially achieved by a system comprising the technical features set forth in one o more of the appended claims.
Brief description of the drawings
Additional features and advantages of the present invention will become more apparent from the approximate, and thus non-limiting, description of a preferred, but non-exclusive embodiment of a system as illustrated in the appended drawings, in which:
Figure 1 shows a system according to the present invention;
Figure 2 shows the system of figure 1 , from which some components have been omitted;
Figures 3, 4, 5, 6 show components of the system according to the present invention;
Figure 7 shows the system of figure 1 from another point of view;
Figure 8 shows a constructive detail of the system according to the present invention;
Figure 9 shows a view from below of the system according to the present invention. Detailed description of preferred embodiments of the invention
In the appended figures, the reference number 1 indicates a system for constructing a superstructure. Said superstructure is typically a ceiling, a floor or more generically a covering. In particular, the system 1 is a system for temporarily supporting a superstructure.
The system 1 comprises a first supporting head 2 which enables temporary support of a superstructure during the phase of construction thereof. The system 1 also comprises a supporting post (not illustrated) on which the first supporting head 2 is positioned. Preferably, the first supporting head 2 is removable from the post, but it could also be integrated within the post, for example so as to form a single body. The system 1 comprises a plurality of supporting heads. In the course of the present description, what is described in detail with reference to the first supporting head 2 can also be repeated for all of the other supporting heads making up the system 1 .
The system 1 further comprises a first and a second panel 3,4, which, in a first configuration, are adjacent and in contact with each other. The first and second panels 3,4 contribute to defining a bottom of a formwork intended to receive poured concrete so as to form the superstructure. The system 1 comprises a first beam 5 for supporting the first panel 3 (the first beam 5 directly or indirectly supports the first panel 3; the first beam 5 supports the panel 5 in cooperation with at least another beam as better explained below). The first supporting beam 5 (in particular one end thereof) rests on a raisable/lowerable portion of said first head 2. The system 1 also comprises an additional beam, which serves to support the second panel 4. More in general, the system 1 comprises a plurality of supporting beams of at least one corresponding panel. Each of said beams is supported by a pair of supporting heads.
Conveniently, the system 1 comprises a plug 6 placed on an upper end of the first head 2. The plug 6 blocks off a space 60 interposed between the first and the second panel 3,4 and contributes to delimiting the bottom of the formwork. The plug 6 can have different shapes. In particular, the plug is polygonal. Preferably the plug is triangular (see figure 3 or 4), or rhomboidal (see figure 5), or swallow tail shaped (see figure 6). Conveniently, the plug 6 is made of plastic material. Conveniently, the plug 6 is a single piece.
The use of plugs of different shapes is very important, since it enables the slab to be shaped in different ways. For example, the swallow tail shape is useful for constructing a formwork with a layout defining a perimeter with a 90° angle.
The system 1 further comprises means 61 for removably coupling said plug 6 and said first head 2. Conveniently the coupling means 61 comprises at least a shaped projecting element which fits into a corresponding seat (also definable as a mating profile); the projecting element and seat are fashioned reciprocally in the first head 2 and in the plug 6.
Advantageously, coupling with the means 61 is achieved simply by inserting said at least one projecting element into the corresponding seat. Conveniently, the plug 6 comprises an edge 62, which in said first configuration partly overlaps the first and second panels 3, 4. The edge 62 enables a seal to be formed with the first and the second panel 3, 4. In this manner, the risk of concrete passing through the first and second panels 3, 4 is minimized. Conveniently, the first and second panels 3, 4 in combination identify an upper horizontal surface defining a bottom surface of a formwork intended to receive poured concrete for forming the superstructure. Conveniently, the edge 62 overlaps the horizontal surface. The edge 62, in a configuration in which concrete is being poured, conveniently rests upon said formwork bottom defined by the first and second panels 3, 4.
The first panel 3 comprises a stiffening beam 32, which in said first configuration is inserted into a seat 320 of said first supporting beam 5. In the preferred embodiment, the first panel 3 comprises a plurality of stiffening beams 32 (preferably three, advantageously parallel and, possibly, equally spaced). The stiffening beams 32 are inserted into corresponding seats 320 fashioned in the first supporting beam 5 and in an additional beam that extends parallel to the first beam 5 (the third beam 93 in the case of figure 9). What has been described with reference to the stiffening beams of the first panel 3 can also be repeated with other panels, which will thus have stiffening beams inserted into corresponding supporting beams. Conveniently, the stiffening beams 32 are metal, preferably aluminum.
By way of non-limiting example, the first panel 3 is substantially polygonal, in particular, substantially rectangular. The perimeter edge of the first panel 3, in an area where at least two sides are connected, is chamfered or coupled so as to define said space 60 interposed between the first and second panels 3, 4. Preferably, the first rectangular panel 3 has two perimeter vertices, whilst another two perimeter vertices are chamfered. A vertical downward projection of the perimeter of said space 60 interposed between the first and second panels 3,4 does not intersect the upper end of the first supporting head 2.
The first and the second panel 3,4 respectively have two adjacent sides 30, 40, which are reciprocally in contact for over 75% of their total length. The space 60 interposed between the first and second panels 3,4 can be entirely surrounded by a group of panels belonging to the system 1 . For example, the system 1 can comprise a third and a fourth panel. The space 60 interposed between the first and second panels 3, 4 can be delimited by the first, second, third and fourth panels (in such a case, the rhomboidal plug of figure 5 is used). Advantageously, the panels described herein and designed to make up the formwork are made of wood. This does not preclude their also being made of other materials in certain cases.
The space 60 between the first and second panels 3,4 could be located at the perimeter of the formwork and in such a case it might not be completely surrounded by panels of the system 1 . For example, figure 2 illustrates a space 60 that is located along the perimeter of the bottom 10 of the formwork and is triangular, with one side open (the other two being defined by the first and second panels 3, 4).
In the preferred solution (see figure 8) the first panel 3 comprises a lateral edge comprising a drip groove 33 to prevent the passage of concrete between the first and second panels 3,4. Practically, when any drops of concrete that get between one panel and the adjacent one encounter the drip groove 33, they are introduced into it. An analogous feature can be provided for the second panel 4 and more in general all the panels intended to make up the formwork.
Advantageously, the system 1 comprises a second supporting head 20 to enable the temporary support of a superstructure during its construction; said first supporting beam 5 has two ends that rest respectively on the first and second supporting heads 5, 20. The system 1 comprises an additional plug serving to close off a space interposed between a pair of panels 601 , 602 belonging to the system and intended to contribute to defining the bottom 10 of the formwork (see figure 9). One of the panels of the pair 601 , 602 can also be said first panel 3 (unillustrated embodiment). The additional plug is removably constrained to an upper end of said second supporting head 20. The first supporting beam 5 is movable between a raised configuration of supporting the bottom 10 of the formwork and a lowered configuration in which it permits the removal of the first panel 3 (in fact, when the beam 5 is lowered, a gap is generated between the poured concrete above and the first panel 3). Conveniently, if it is planned to construct an exposed concrete ceiling, a grid is interposed between the panels of the formwork and the stiffening beams.
The object of the present invention further relates to a method for constructing a superstructure. This method can be advantageously implemented through the system 1 having one or more of the previously described features. The method comprises the step of constructing a lower bottom 10 of a formwork intended to receive poured concrete. The step of constructing a lower bottom 10 of a formwork comprises the substeps of:
- positioning a first and a second panel 3, 4 in contact and adjacent to each other, thus defining an interposed space 60; the first panel 3 being supported by at least a first supporting beam 5 supported by at least a first lowerable portion 21 belonging to a first supporting head 2; the second panel 4 being supported by at least a second supporting beam 50 supported by at least a second lowerable portion 22 of the first supporting head 2; the first beam 5 is also supported by a second head 20 having a lowerable and raisable arm. The second beam 50 is also supported by a third head 91 having a lowerable and raisable arm;
- inserting a plug 6 in said space 60 so as to block it off, said plug 6 being supported by an upper end of the first supporting head 2; when it is inserted in the space 60 to block it off, the plug 6 is thus constrained to the first head 2.
The insertion of the plug 6 into the space 60 takes place after the step of positioning the first and second panels 3, 4 in contact and adjacent to each other, thus defining said interposed space 60.
The method further comprises the step of completing the formwork, for example, making the sides of the formwork.
The method then envisages pouring concrete into said formwork.
After waiting for at least a predetermined time, the method envisages removing the first and second panels 3,4 maintaining the upper end of the first head 2 to support the superstructure. The step of removing the first and second panels 3, 4 envisages removing the first and second beams 5,
50. The step of removing said first and second supporting beams 5,50 comprises the step of lowering said first and said second portion 21 , 22 of said first supporting head 2 on which the first and second supporting beams 5,50 rest, respectively, the plug 6 remaining interposed between the upper end of the first head 2 and the superstructure.
Conveniently, the step of removing the first supporting beam 5 also envisages lowering the raisable/lowerable arm of the second head 20 which supports the first beam 5, maintaining the upper end of the second head 20 to support the superstructure. Analogously, the step of removing the second beam 50 envisages also lowering the raisable/lowerable arm of the third head 91 which supports the second beam 50, maintaining the upper end of the third head 91 to support the superstructure.
In the preferred embodiment, the first panel 3 is also supported by a third supporting beam 93 supported at the ends by a fourth and a fifth supporting head 94, 95, which enable the raising and lowering thereof. The third beam 93 is parallel to the first beam 5. The second panel 4 is supported by a fourth supporting beam 92 supported by the fourth and by a sixth supporting head 94, 96, which enable the raising and lowering thereof.
Conveniently, the first and the third beam 5, 93 are parallel and extend on two opposite sides of the first panel 3 (which is advantageously rectangular, with at least two chamfered vertices).
Analogously, the second and fourth beams 50, 92 are parallel and lie on two opposite sides of the second panel 4 (which is advantageously rectangular, with at least two chamfered vertices).
In light of the above, the step of removing the first and second panels 3, 4 envisages also removing the third and fourth beams 93,92.
The present invention enables multiple advantages to be obtained.
Firstly, the formwork achieves a perfect sealing action on the concrete introduced therein.
A further important advantage is tied to the utmost simplicity of positioning the plugs, given their limited size, which makes them easier to handle. A further important advantage is tied to the fact that different shapes of the plugs enable the formwork layout to be adapted so as to achieve complex geometries.
The invention thus conceived is susceptible of numerous modifications and variants, all falling within the scope of the inventive concept which characterizes it. Furthermore, all of the details may be replaced by other technically equivalent elements. In practical terms, all of the materials used, as well as the dimensions, can be any whatsoever according to need.

Claims

1 . A system for constructing a superstructure comprising a first supporting head (2) for temporarily supporting a superstructure during the phase of construction;
characterized in that it comprises:
- a first and a second panel (3,4), which in a first configuration are adjacent and in contact with each other and contribute to defining a bottom of a formwork intended to receive poured concrete for constructing the superstructure;
-a first supporting beam (5) for the first panel (3), said first supporting beam (5) resting upon a raisable/lowerable portion of said first head (2); -a plug (6) placed on an upper end of the first head (2), said plug (6) blocking off a space (60) interposed between the first and second panels (3,4) and contributing to delimiting the bottom of the formwork.
2. The system according to claim 1 , characterized in that it comprises removable coupling means (61 ) for coupling said plug (6) and said first head (2).
3. The system according to claim 1 or 2, characterized in that said first plug (6) comprises an edge (62) which in said first configuration partly overlaps the first and second panels (3,4).
4. The system according to any one of the preceding claims, characterized in that the first panel (3) comprises a stiffening beam (32), which in said first configuration is inserted into a seat of said first supporting beam (5).
5. The system according to any one of the preceding claims, characterized in that said first panel (3) is substantially polygonal and comprises at least two sides; the perimeter edge being chamfered in an area connecting the two sides so as to define or contribute to defining said space (60) interposed between the first and second panels (3,4).
6. The system according to any one of the preceding claims, characterized in that a vertical downward projection of the perimeter of said space (60) interposed between the first and second panels (3,4) does not intersect the upper end of the first supporting head (2).
7. The system according to any one of the preceding claims, characterized in that the first panel (3) comprises a lateral edge comprising a drip groove (33) for preventing the passage of concrete between the first and second panels (3,4).
8. The system according to any one of the preceding claims, characterized in that the first and second panels (3,4) respectively comprise a first and a second side (30,40), which are reciprocally in contact for over 75% of their overall length.
9. The system according to any one of the preceding claims, characterized in that it comprises a second supporting head (20) to enable the temporary support of a superstructure during the construction thereof; said first supporting beam (5) having two ends which rest respectively on the first and second supporting heads (2, 20); the system (1 ) comprising an additional plug serving to close off a space (600) interposed between a pair (601 , 602) of panels belonging to the system and intended to contribute to defining the bottom (10) of the formwork, one of the panels of said pair (601 , 602) also being able to be said first panel (3), said additional plug being removably constrainable to an upper end of said second supporting head (20); said first supporting beam (5) being movable between a raised configuration for supporting the bottom of the formwork and a lowered configuration wherein it enables removal of the first panel (3).
10. A method for constructing a superstructure comprising the steps of: i) constructing a bottom (10) of a formwork intended to receive poured concrete, the step of constructing a formwork bottom (10) comprising the substeps of:
-positioning a first and a second panel (3, 4) in contact and adjacent to each other, thus defining an interposed space (60); the first panel (3) being supported by a first supporting beam (5) supported by a first lowerable portion (21 ) belonging to a first supporting head (2); the second panel (4) being supported by a second supporting beam (50) supported by a second lowerable portion (22) of the first supporting head (2);
- inserting a plug (6) into said space (60) to block it off, said plug (6) being supported by an upper end of the first supporting head (2);
ii) completing the formwork;
iii) pouring concrete into said formwork;
iv) removing said first and said second supporting beams (5, 50) and the first and second panels (3,4), maintaining the upper end of the first head (2) to support the superstructure; the step of removing said first and second supporting beams (5,50) and the first and second panels (3,4) comprising the step of lowering said first and said second portions (21 , 22) of said first supporting head (5) on which the first and second supporting beams (5,50) rest respectively, the plug (6) remaining interposed between the upper end of the first head (2) and the superstructure.
EP14736981.3A 2013-05-31 2014-05-29 System and method for constructing a superstructure Not-in-force EP3004489B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000047A ITPR20130047A1 (en) 2013-05-31 2013-05-31 SYSTEM AND METHOD FOR THE REALIZATION OF A SUPERSTRUCTURE
PCT/IB2014/061821 WO2014191959A1 (en) 2013-05-31 2014-05-29 System and method for constructing a superstructure

Publications (2)

Publication Number Publication Date
EP3004489A1 true EP3004489A1 (en) 2016-04-13
EP3004489B1 EP3004489B1 (en) 2017-07-12

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EP14736981.3A Not-in-force EP3004489B1 (en) 2013-05-31 2014-05-29 System and method for constructing a superstructure

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EP (1) EP3004489B1 (en)
IT (1) ITPR20130047A1 (en)
WO (1) WO2014191959A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106884529A (en) * 2017-03-15 2017-06-23 中国水利水电第七工程局有限公司 A kind of high-altitude long-span steel vestibule underplate concrete suspends steel form and construction method in midair

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GB337111A (en) * 1929-04-01 1930-10-30 Henry William Roos Improvements in apparatus for constructing concrete floors
DE3147081A1 (en) * 1981-05-30 1982-12-30 Udo 4836 Herzebrock Rose Supporting framework for concrete shutterings
DE3215002A1 (en) * 1982-04-22 1983-10-27 Emil Steidle Gmbh & Co, 7480 Sigmaringen CONSTRUCTION SUPPORT
DE3515322A1 (en) * 1985-04-27 1986-10-30 Josef 7611 Steinach Maier CEILING FORM
WO2002084050A1 (en) * 2001-04-03 2002-10-24 Ulma C Y E, S. Coop. Slab formwork system
CA2416644C (en) * 2003-01-20 2010-07-20 Paul Gillespie Concrete slab form system
DE102004004883B4 (en) * 2003-08-04 2021-10-14 Friedrich Ischebeck Gmbh Ceiling formwork panel and system ceiling formwork
US20070200049A1 (en) * 2006-02-28 2007-08-30 Coday Jerry F Systems and Methods for Shoring Concrete
DE102010001042B4 (en) * 2010-01-20 2012-03-01 Doka Industrie Gmbh Drop head for a slab formwork system and slab formwork system

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EP3004489B1 (en) 2017-07-12
WO2014191959A1 (en) 2014-12-04

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