EP1564343B1 - Connecting or extension element fit for walking on it with double use for modular elements for aerated and/or elevated floors - Google Patents

Connecting or extension element fit for walking on it with double use for modular elements for aerated and/or elevated floors Download PDF

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Publication number
EP1564343B1
EP1564343B1 EP04425951.3A EP04425951A EP1564343B1 EP 1564343 B1 EP1564343 B1 EP 1564343B1 EP 04425951 A EP04425951 A EP 04425951A EP 1564343 B1 EP1564343 B1 EP 1564343B1
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EP
European Patent Office
Prior art keywords
extension element
modular
extension
elements
modular elements
Prior art date
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Application number
EP04425951.3A
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German (de)
French (fr)
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EP1564343A1 (en
Inventor
Mirco Pegoraro
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.)
Geoplast SpA
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Geoplast SpA
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Publication of EP1564343A1 publication Critical patent/EP1564343A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • E04F15/024—Sectional false floors, e.g. computer floors
    • E04F15/02405—Floor panels
    • E04F15/02417—Floor panels made of box-like elements
    • E04F15/02423—Floor panels made of box-like elements filled with core material
    • E04F15/02429—Floor panels made of box-like elements filled with core material the core material hardening after application

Definitions

  • This patent relates to the field of the equipment for building, and in particular it concerns the pre-shaped modular elements, known as disposable formworks, for the realization of aerated or elevated floors.
  • the known disposable modular elements for the realization of aerated floors are generally dome shaped with four or more legs and arc-shaped openings between said legs. Said modular elements are flanked and connected one to the other in a way to realize a continuous grid structure made of modular elements.
  • US A 5 797 230 relates to an element for making reinforced concrete elevated floors, shaped as a dome having four closed lateral walls and provided with four flanges cooperating with each other to form a reinforced structure, wherein walls of each element are spaced in order to allow the pouring of the concrete between them.
  • iron rods for reinforcement like the electro-welded net or ribbed bars, are positioned and the concrete is poured. In this way it is possible to obtain a monolithic floor, aerated in the lower part and usable, in the aeration space, for the insertion of tubes, ducts, cables and so on.
  • Said elements for the realization of elevated or aerated floors have modular dimensions and once installed they occupy, in the two directions, multiples of their modular dimension.
  • the floor that has to be realized has dimensions that are not exactly modular with respect to elements, that is its length and/or width is not divisible by the module of the modular elements with the consequence that the latter can't completely and exactly cover the surface of the floor, but they leave uncovered one or more stripes with smaller dimensions than the module of the element.
  • Connecting or extensions elements for molding that are shaped substantially as an open parallelepiped are known. Said elements have the drawback that it is not possible to walk on it and that they have a series of deep lateral notches for the blocking on the disposable modular formwork that enormously limit their application positions.
  • US A 2003 0115809 relates to an accessory for modular elements for the support and ventilation of elevated floors, said accessory having U-shaped vertical section made of a curved wall mating with the holes of the modular element and one front wall, whereas the opposite side is opened.
  • Each accessory can be coupled with a complementary accessory so as to constitute an extension element which is double the length of a single accessory and which is suited to be positioned between two modular elements.
  • Said accessories contain all the features of the preamble of claim 1.
  • EP A 1236843 relates to a system for the realization of elevated floors, comprising modular forms having U-shaped vertical section and wherein each side wall has a lower flat edge, and wherein said coupled edges form a seat for suitable reinforcing elements.
  • connecting and plugging elements made of a block full of expanded material, typically expanded polystyrene, having square or rectangular base and lateral walls connected to an upper arc-shaped surface fit for matching with the arc-shaped opening of the modular elements.
  • Substantially said connecting and plugging elements are inserted in the lateral arc-shaped openings of the last modular elements in order to complete the floor.
  • connecting and plugging elements are inserted centrally in the floor, that is the modular elements are positioned starting from the edges of the floor and are connected, as for the fraction of the modular element, generically in the middle of the floor by means of said connecting elements.
  • Other known plugging elements in order to maintain the lightness required by the floor, are usually realized in expanded material, with high encumbrance, cost, and waste of material.
  • Said connecting and plugging elements have a smooth upper surface in order to adapt the position of said connecting and plugging elements to the effective distance between the two elements or between one element and the edge. It follows that during the application and predisposition of the lateral formworks, and/or during the pouring of concrete, said connecting and plugging elements can move, thus totally or partially nullifying their function.
  • connecting and plugging element with double utilization, particularly for modular elements for the realization of aerated or elevated floors has been studied and carried out.
  • Aim of the connecting and plugging element is to close the lateral arc-shaped holes of the modular elements for the realization of aerated or elevated elements by means of a further disposable formwork called connecting or extension element, which is hollow and doesn't move from its position during the equipping of the formwork or during the pouring of the concrete.
  • the connecting or extension element (P) is made of a linear element in thermoplastic material with generically U shaped vertical section with the section identical to the shape of the arc-shaped hole of the modular elements (M). Substantially the lateral walls (P1) of the element (P) are generically inclined while its superior surface (P2) is arched, in the same way of the arc-shaped holes of the modular elements (M). The ends of the element (P), that is the head walls, are closed each by a substantially vertical wall (P3).
  • the lower edges (P4) of the element (P) are horizontally bent towards the outside so as to form a bearing base.
  • said lower edges (P4) are present in correspondence to three sides, that is to the two lateral walls (P1) and to the head wall (P3), while it is practically absent in correspondence to the opposite head wall (P3).
  • the connecting or extension element (P) constituted as afore described is positioned on the lower floor slab.
  • the connecting element (P) can be used in all the situations that normally happen during the realization of concrete casting.
  • Substantially said element (P) is inserted in the arc-shaped hole of the last modular element (M), in order to reach the actual floor edge.
  • Figure 3 shows an example of utilization of the connecting element (P) with an existing lateral wall. If the edge is, for example, made of a concrete beam or foundation wall it is sufficient to apply in adherence to said beam the connecting element (P) from the side of the vertical wall without enlarged base (P4). In this way the vertical wall of the connecting element (P) will be adherent to said beam or foundation.
  • Figure 4 and in details figure 4a , show an applicative example of utilization of the element (P) near to the reinforcement (Ar) and for the realization of beams in the thickness of the floor.
  • edge is made of a beam or reinforced foundation that has not been poured yet, because it is thought to realize a complete concrete casting for edge beam and slab, it is sufficient to apply the connecting element (P) from the side of the vertical wall with enlarged base provided with couples (P4a) fixed on the bars for the reinforcement (Ar).
  • connecting or extension element (P) is positioned for the connection of two spaced modular elements (M), in order to cover the different dimension of the floor with respect to the modular elements (M) along the floor itself.
  • the new connecting or extension element (P) can be conveniently used in any situations.
  • the connecting or extension element (P) allows the realization of aerated or elevated floors for their entire extension.
  • the modular connecting or extension element (P) doesn't move during the equipping of the formwork or during the pouring of the concrete because the couplers (P4a) prohibit its sliding.
  • Figure 5 shows three aligned elements (P), that is three elements (P) positioned with their heads one next to the other and wherein the lower edge of one head is held by the couplers (P4a) of the lower edge of the following element.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Bridges Or Land Bridges (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

    FIELD OF THE INVENTION
  • This patent relates to the field of the equipment for building, and in particular it concerns the pre-shaped modular elements, known as disposable formworks, for the realization of aerated or elevated floors.
    • BACKGROUND OF THE INVENTION
  • The known disposable modular elements for the realization of aerated floors are generally dome shaped with four or more legs and arc-shaped openings between said legs. Said modular elements are flanked and connected one to the other in a way to realize a continuous grid structure made of modular elements.
  • US A 5 797 230 relates to an element for making reinforced concrete elevated floors, shaped as a dome having four closed lateral walls and provided with four flanges cooperating with each other to form a reinforced structure, wherein walls of each element are spaced in order to allow the pouring of the concrete between them.
  • On said structure iron rods for reinforcement, like the electro-welded net or ribbed bars, are positioned and the concrete is poured. In this way it is possible to obtain a monolithic floor, aerated in the lower part and usable, in the aeration space, for the insertion of tubes, ducts, cables and so on.
  • Said elements for the realization of elevated or aerated floors have modular dimensions and once installed they occupy, in the two directions, multiples of their modular dimension.
  • It often happens that the floor that has to be realized has dimensions that are not exactly modular with respect to elements, that is its length and/or width is not divisible by the module of the modular elements with the consequence that the latter can't completely and exactly cover the surface of the floor, but they leave uncovered one or more stripes with smaller dimensions than the module of the element.
  • Connecting or extensions elements for molding that are shaped substantially as an open parallelepiped are known. Said elements have the drawback that it is not possible to walk on it and that they have a series of deep lateral notches for the blocking on the disposable modular formwork that enormously limit their application positions.
  • US A 2003 0115809 relates to an accessory for modular elements for the support and ventilation of elevated floors, said accessory having U-shaped vertical section made of a curved wall mating with the holes of the modular element and one front wall, whereas the opposite side is opened. Each accessory can be coupled with a complementary accessory so as to constitute an extension element which is double the length of a single accessory and which is suited to be positioned between two modular elements. Said accessories contain all the features of the preamble of claim 1. EP A 1236843 relates to a system for the realization of elevated floors, comprising modular forms having U-shaped vertical section and wherein each side wall has a lower flat edge, and wherein said coupled edges form a seat for suitable reinforcing elements.
  • It is known the existence of connecting and plugging elements made of a block full of expanded material, typically expanded polystyrene, having square or rectangular base and lateral walls connected to an upper arc-shaped surface fit for matching with the arc-shaped opening of the modular elements.
  • Substantially said connecting and plugging elements are inserted in the lateral arc-shaped openings of the last modular elements in order to complete the floor.
  • Preferably said connecting and plugging elements are inserted centrally in the floor, that is the modular elements are positioned starting from the edges of the floor and are connected, as for the fraction of the modular element, generically in the middle of the floor by means of said connecting elements. Other known plugging elements, in order to maintain the lightness required by the floor, are usually realized in expanded material, with high encumbrance, cost, and waste of material.
  • Said connecting and plugging elements have a smooth upper surface in order to adapt the position of said connecting and plugging elements to the effective distance between the two elements or between one element and the edge. It follows that during the application and predisposition of the lateral formworks, and/or during the pouring of concrete, said connecting and plugging elements can move, thus totally or partially nullifying their function.
    • SUMMARY OF THE INVENTION
  • In order to overcome to the above cited drawbacks a connecting and plugging element with double utilization, particularly for modular elements for the realization of aerated or elevated floors has been studied and carried out. Aim of the connecting and plugging element is to close the lateral arc-shaped holes of the modular elements for the realization of aerated or elevated elements by means of a further disposable formwork called connecting or extension element, which is hollow and doesn't move from its position during the equipping of the formwork or during the pouring of the concrete.
  • Other not less important aim of the connecting or extension element is to allow to walk on it safely.
  • Other important aim is to be used in both directions, thus involving all the utilization fields and solving all the problems with concrete casting that no other elements actually solve.
  • These and other aims, direct and complementary, are achieved by the connecting or extension element according to claim 1.
    • DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
  • The characteristics of the connecting or extension element particularly for modular elements for the realization of aerated or elevated floors will be clarified by the following description, referring to the figures attached as a non-limitative example.
  • In figure 1 and in figure 2 two axonometric views of the new connecting and plugging element are represented.
  • The connecting or extension element (P) is made of a linear element in thermoplastic material with generically U shaped vertical section with the section identical to the shape of the arc-shaped hole of the modular elements (M). Substantially the lateral walls (P1) of the element (P) are generically inclined while its superior surface (P2) is arched, in the same way of the arc-shaped holes of the modular elements (M). The ends of the element (P), that is the head walls, are closed each by a substantially vertical wall (P3).
  • The lower edges (P4) of the element (P) are horizontally bent towards the outside so as to form a bearing base.
  • In particular said lower edges (P4) are present in correspondence to three sides, that is to the two lateral walls (P1) and to the head wall (P3), while it is practically absent in correspondence to the opposite head wall (P3).
  • On said lower edges (P4) there are various holes (P4f) in order to allow the fixing of the element (P) itself to the lower floor slab. Moreover, on the lower enlarged edge (P4) of a head wall there are relieves or couplers (P4a) fit for allowing the fixing of the connecting or extension element (P) to one or more bars of the floor reinforcement (Ar) in order to avoid its sliding toward the inside. On the head walls (P3), on the upper surface (P2) and/or on the lateral surfaces (P1) of the element (P) there are stiffening ribs (Pa) in order to make said element (P) fit for walking on it.
  • The connecting or extension element (P) constituted as afore described is positioned on the lower floor slab.
  • With such a conformation the connecting element (P) can be used in all the situations that normally happen during the realization of concrete casting. Substantially said element (P) is inserted in the arc-shaped hole of the last modular element (M), in order to reach the actual floor edge.
  • Figure 3 shows an example of utilization of the connecting element (P) with an existing lateral wall. If the edge is, for example, made of a concrete beam or foundation wall it is sufficient to apply in adherence to said beam the connecting element (P) from the side of the vertical wall without enlarged base (P4). In this way the vertical wall of the connecting element (P) will be adherent to said beam or foundation.
  • Figure 4, and in details figure 4a, show an applicative example of utilization of the element (P) near to the reinforcement (Ar) and for the realization of beams in the thickness of the floor.
  • If the edge is made of a beam or reinforced foundation that has not been poured yet, because it is thought to realize a complete concrete casting for edge beam and slab, it is sufficient to apply the connecting element (P) from the side of the vertical wall with enlarged base provided with couples (P4a) fixed on the bars for the reinforcement (Ar).
  • Another solution is that the connecting or extension element (P) is positioned for the connection of two spaced modular elements (M), in order to cover the different dimension of the floor with respect to the modular elements (M) along the floor itself.
  • According to the above description the new connecting or extension element (P) can be conveniently used in any situations.
  • The connecting or extension element (P) allows the realization of aerated or elevated floors for their entire extension.
  • The modular connecting or extension element (P) doesn't move during the equipping of the formwork or during the pouring of the concrete because the couplers (P4a) prohibit its sliding.
  • Figure 5 shows three aligned elements (P), that is three elements (P) positioned with their heads one next to the other and wherein the lower edge of one head is held by the couplers (P4a) of the lower edge of the following element.
  • With reference to the above description the following claims are put forth.

Claims (2)

  1. Connecting or extension element (P) for modular elements (M) for the realization of aerated and/or elevated floors, each modular element (M) comprising an upper horizontal wall and a plurality of vertical supporting legs defining arc-shaped openings below said upper horizontal wall, said connecting or extension element (P) made of a linear element in thermoplastic material having generically U-shaped vertical section made of two lateral walls (P1) and an upper arched surface (P2), identical to the shape of the arc-shaped openings of the modular elements (M), characterized in that:
    • both ends of the connecting or extension element (P) are closed each by a head wall (P3);
    • the lower edges (P4) of only three sides, the two lateral walls (P1) and a head wall (P3a) are provided with enlarged bearing base, while the base of the other head wall (P3) hasn't any enlargements, and wherein said enlarged bearing bases are horizontal and directed towards the outside of the U-shape vertical section;
    • there are various holes (P4f) on said enlarged bearing bases, in order to allow the fixing of the connecting or extension element (P) itself to the lower floor slab;
    • there are relieves or couplers (P4a) on said enlarged bearing bases,
    wherein said relieves or couplers (P4a) are fit for: 1) allowing the connexion and the fixing of the connecting or extension element (P) to metallic bars (Ar) of the reinforcement of the floor and/or 2) allowing the connexion and the fixing of the connecting or extension element (P) to another following connecting or extension element (P), by holding the lower edge of the head wall (P3) without enlarged bearing base of the following connecting or extension element (P), in order to realize a modular extension.
  2. Connecting or extension element (P) according to claim 1, characterized in that on the head walls (P3), on the upper surface (P2) and/or on the lateral surfaces (P1) of the connecting or extension element element (P) there are stiffening ribs (Pa).
EP04425951.3A 2004-02-17 2004-12-20 Connecting or extension element fit for walking on it with double use for modular elements for aerated and/or elevated floors Active EP1564343B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD20040043 2004-02-17
IT000043A ITPD20040043A1 (en) 2004-02-17 2004-02-17 DOUBLE USE WALKABLE JOINT AND FILLING ELEMENT FOR MODULAR ELEMENTS FOR VENTILATED AND / OR RAISED FLOORS

Publications (2)

Publication Number Publication Date
EP1564343A1 EP1564343A1 (en) 2005-08-17
EP1564343B1 true EP1564343B1 (en) 2015-11-18

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EP04425951.3A Active EP1564343B1 (en) 2004-02-17 2004-12-20 Connecting or extension element fit for walking on it with double use for modular elements for aerated and/or elevated floors

Country Status (4)

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US (2) US20050178080A1 (en)
EP (1) EP1564343B1 (en)
CA (1) CA2497362A1 (en)
IT (1) ITPD20040043A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020181326A1 (en) * 2019-03-11 2020-09-17 The University Of Melbourne Void former and modular formwork system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPD20040043A1 (en) * 2004-02-17 2004-05-17 Geoplast Srl DOUBLE USE WALKABLE JOINT AND FILLING ELEMENT FOR MODULAR ELEMENTS FOR VENTILATED AND / OR RAISED FLOORS
ES2253109B1 (en) * 2004-11-05 2007-01-01 Jose Javier Calvo Ibarreche SOLERAS FORMWORK SYSTEM WITH CAMERA.

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020181326A1 (en) * 2019-03-11 2020-09-17 The University Of Melbourne Void former and modular formwork system

Also Published As

Publication number Publication date
US20050178080A1 (en) 2005-08-18
EP1564343A1 (en) 2005-08-17
CA2497362A1 (en) 2005-08-17
ITPD20040043A1 (en) 2004-05-17
US20100115869A1 (en) 2010-05-13

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