EP3070224B1 - Bordure rectiligne d'élément de construction, élément de construction comportant une telle bordure et procédé de fabrication d'un tel élément de construction - Google Patents

Bordure rectiligne d'élément de construction, élément de construction comportant une telle bordure et procédé de fabrication d'un tel élément de construction Download PDF

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Publication number
EP3070224B1
EP3070224B1 EP16160859.1A EP16160859A EP3070224B1 EP 3070224 B1 EP3070224 B1 EP 3070224B1 EP 16160859 A EP16160859 A EP 16160859A EP 3070224 B1 EP3070224 B1 EP 3070224B1
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EP
European Patent Office
Prior art keywords
edging strip
cells
element according
row
construction element
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.)
Active
Application number
EP16160859.1A
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German (de)
English (en)
French (fr)
Other versions
EP3070224A1 (fr
Inventor
Thierry Haour
Frédéric MAZUY
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.)
KP1 SAS
Original Assignee
KP1 SAS
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Publication date
Application filed by KP1 SAS filed Critical KP1 SAS
Priority to PL16160859T priority Critical patent/PL3070224T3/pl
Publication of EP3070224A1 publication Critical patent/EP3070224A1/fr
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Publication of EP3070224B1 publication Critical patent/EP3070224B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
    • E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
    • 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
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

Definitions

  • the invention relates to a rectilinear edging of a construction element for receiving at least one construction accessory.
  • the invention relates in particular, although not exclusively to a rectilinear edge of a predalle for in particular the reception of at least one retaining element so that the retaining element and the rectilinear edge together form a shuttering portion for the casting. of a compression slab on the pre-slab, the pre-slab and the compression slab then jointly forming a floor.
  • the invention relates to a construction element comprising such a border.
  • the invention relates in particular, although not exclusively, to a pre-slab comprising such a border.
  • the invention relates more particularly, although not exclusively, to a concrete pre-slab comprising such a border and prefabricated on a production site to be transported to a construction site of a building in order to be installed there.
  • the invention also relates to a method of manufacturing such a building element.
  • pre-slabs to construct the floors of a building saves considerable time on the construction of this building.
  • a pre-slab is fabricated at a production site so that it is light enough to be transportable to a building construction site, and strong enough to support the weight of the compression slab then cast onto it on the floor. site.
  • the production of a floor using such pre-slabs consists first of all in installing a set of pre-slabs resting on shear walls or beams of the building, so as to cover the entire surface of the floor to be produced. Then, once these pre-slabs are installed, operators place a set of reinforcements on the upper face that they define, to form the reinforcements of the compression slab to be cast.
  • the formwork of the compression slab to be poured thus has a bottom formed by the upper face of the pre-slabs, and a peripheral edge which is formed in part by the walls surrounding the floor to be constructed, and in part by additional elements made of wood or the like. that the operators add along the free edges.
  • the concrete for the compression slab is thus poured directly on the pre-slabs.
  • the document FROM 202005002319 discloses a disposable formwork element attached to a formwork structure by a fastening element such as hot melt adhesive and / or magnets.
  • the document FROM 202005002319 also discloses a construction element comprising a concrete body and a rectilinear lost formwork element which is anchored in the concrete body to form at least part of an edge of the construction element, the lost formwork element s 'extending along a straight line and having two main faces extending along said axis, the lost formwork element being rigidly secured to the concrete body so as to form therewith a whole rigid.
  • the document FROM 202005002319 proposes to arrange a magnet between the lost formwork element and a bottom of the mold. The magnet being independent of the lost formwork element, it is therefore arranged completely outside said lost formwork element during the manufacture of the construction element.
  • the aim of the invention is to provide a rectilinear border of a construction element which can be secured to said construction element without being covered with concrete which hinders the future interlocking of construction accessories on the border, as well as a construction element. comprising such a border and a method of manufacturing such a construction element.
  • the invention relates to a construction element according to claim 1.
  • the border comprises a magnet intended to press the border against a wall of a mold for manufacturing a construction element associated with the border, the magnet being arranged on one of the main faces of the border. so as to protrude from said face.
  • the magnet allows the border to be correctly positioned in the mold while being well pressed against the wall of the mold.
  • the magnet ensures that the edge pressed against the wall of the mold is held in position even during the casting of the mold. concrete.
  • the magnet facilitates the attachment of the border to the corresponding construction element since the magnet serves both as a means for positioning the border in the manufacturing mold and at the same time as a means for holding it in position. the border in said manufacturing mold.
  • the border comprises a honeycomb structure of plastic material which comprises cells in relief extending outwardly of the border, from the main face of the border opposite to that carrying the magnet, to be intended to be facing a concrete body of the construction element, the structure comprising at least one row of raised cells which are arranged side by side along the right and which extend from the structure towards the outside of the border to be intended to be facing a concrete body of the construction element.
  • the structure comprises at least one recess passing through it, the recess being arranged at a height of the structure greater than the height of the construction element to which the border is intended to be fixed.
  • the structure comprises at least one anchoring foot extending from a lower portion of the structure towards the outside of the border.
  • the invention relates to a construction element comprising a concrete body and at least one border as previously described which is anchored in the concrete body to form at least part of an edge of the construction element.
  • construction accessories retaining element, thermal insulation block, safety device, etc.
  • construction accessories can be secured by simple interlocking to the edge.
  • the magnet facilitates the attachment of the border to the corresponding construction element since the magnet serves both as means for positioning the border in the manufacturing mold and at the same time as means for holding in position of. the border in said manufacturing mold.
  • the terms “lower”, “upper”, “height”, “length” ... must be understood in relation to the position in service.
  • the border is the position of the border when placed in a mold for manufacturing the construction element or when attached to the construction element.
  • the border of a construction element according to the first embodiment of the invention is rectilinear and extends along a straight line X.
  • the border 1 comprises a structure 2 plastic honeycomb which comprises cells in relief extending from the structure 2 towards the outside of the border 1.
  • the various cells 2 are here open towards the outside of the border 1.
  • the border 1 is not only flexible and supple but also light. This facilitates the handling of the border 1. In addition, it turns out to be possible to have a border 1 of large dimensions and in particular of great length.
  • honeycomb structure 2 of plastic material it proves to be possible to easily cut the edge 1 in order to modify its length according to production needs. This cutting can for example be done at the place of production of the construction element.
  • the structure 2 is for example made of polypropylene.
  • the structure 2 comprises a first row 3 of cells arranged side by side along the straight line X (one of the cells of the first row 3 being symbolized in dotted lines and designated by 4). All the cells of the first row 3 are joined here.
  • Structure 2 comprises a second row 5 of cells arranged side by side along the straight line X and contiguous two by two (one of the cells of the second row 5 being symbolized by dots and designated by 6), each block of two contiguous cells (one of the blocks being symbolized in dashes and designated by 7) being separated by a space 8 from the next block of two contiguous cells. Thanks to the different spaces 8, the structure 2 proves to be particularly flexible.
  • the second row 5 of cells extends below the first row 3 of cells so that a cell in the second row 5 is in the continuation of a respective cell of the first row 3.
  • the second row 5 of cells therefore extends parallel to the first row 3 of cells.
  • the cells of the first row 3 are all identical to each other and the cells of the second row 5 are all identical to each other.
  • the cells of the first row 3 and the cells of the second row 5 have the same length (dimension taken along line X) and substantially the same width (dimension taken along a line Y perpendicular to the line X and corresponding to the relief of the cells).
  • the cells of the second row 5 here have a greater height than the cells of the first row 3 (dimension taken along a line Z perpendicular to the line X and to the line Y).
  • Structure 2 comprises for example 29 cells for the first row 3 and 20 cells for the second row 5.
  • the structure 2 comprises recesses 9 (only some of which are referenced) crossing the structure 2 in its width. More precisely here a recess 9 crosses the structure 2 at the level of each of the cells of the second row 5 and at the level of each space 8 separating the blocks of two contiguous cells.
  • the recesses 9 are arranged in the upper part of the cells of the second row 5 and associated spaces 8, substantially at the level of the border between the first row 3 of cells and the second row 5 of cells. cell.
  • the upper portion of the structure 2 comprises clip notches 10 (of which only a part is referenced) regularly distributed over the length of the structure 2 for the fitting of construction accessories on the border 1 as we will see below. .
  • the clip notches 10 are identical.
  • the clip notches 10 are here formed at the border between the first row 3 of cells and the second row 5 of cells by an inflection in the walls of the cells. At each border there is a clip notch 10 here.
  • each clipping notch 10 is surmounted by an anti-fouling spout 11 (only some of which are referenced).
  • the anti-fouling nozzles 11 are all identical.
  • the anti-fouling nozzles 11 are here provided in the walls of the first row 3 of cells so as to form a protuberance coming above the clipping notches 10.
  • the anti-fouling nozzles 11 are further configured so as to be inclined in the direction of the lower portion of the structure 2.
  • the lower portion here comprises anchoring feet 12.
  • the feet 12 are regularly distributed over the length of the structure 2.
  • the feet 12 are identical.
  • Each foot 12 here extends from a lower portion of the structure 2 towards the outside of the border 1.
  • Each foot 12 extends in the extension of one of the walls common to two contiguous cells of the second row 5 (that is to say a wall of normal the line X).
  • the structure 2 here comprises a foot 12 at the level of each block of two contiguous cells.
  • the structure 2 comprises for example ten feet 12.
  • the structure 2 comprises two wings 13 associated with each foot 12.
  • Each wing 13 extends transversely to the foot 12 associated between a lower part of the foot 12 to the second row 5 of the cell. More precisely, each wing 13 extends from the lower part of the foot 12 to the outer wall of the block of two contiguous cells corresponding to said foot 12, the outer wall parallel to the wall common to the two contiguous cells of said block.
  • each positioning tongue 14 is arranged so as to extend to the normal of the structure 2 towards the outside of the border 1 in the extension of the cells, in the direction of the width of the structure 2 (ie therefore here so as to extend along the line Z).
  • the structure 2 here comprises several tabs 14.
  • the structure 2 comprises two tabs 14.
  • the tongues 14 are identical, extend from the same level of the lower portion and are distributed over the length of the structure 2. Each tongue 14 here extends from the lower portion of one of the spaces 8 separating two blocks of contiguous cells.
  • the two longitudinal ends (along the X axis) of the structure respectively comprise male latching means 15 and female latching means 16, for example of the tenon / mortise type. In this way, it turns out to be possible to fit together very simply one after the other several borders 1 by latching the female latching means 16 with the male latching means 15 of two consecutive edges 1.
  • the border 1 comprises a magnet 17.
  • the food 17 is here arranged on the main face of the structure 1 opposite to that from which the cells extend. Magnet 17 is arranged so as to project from the rest of said main face. More precisely here, the magnet 17 is arranged below the various recesses 9 of the structure 2.
  • the magnet 17 is in the form of a strip.
  • the magnet 17 is arranged so as to extend along the straight line X.
  • the magnet 17 thus makes it possible to properly cover the entire length of the structure 2.
  • the border 1 which has just been described is preferably manufactured by injection.
  • the border 1 therefore turns out to be quick and easy to manufacture.
  • the edge 1 which has just been described is here intended to form a portion or all (depending on its length) of one of the longitudinal edges of a predalle 20, that is to say that the edge 1 is aligned so that the X axis is parallel to the associated longitudinal edge of the pre-slab 20.
  • the pre-slab 20 comprises a body 21 made of concrete.
  • the body 21 of the pre-slab 20 is here made of prestressed concrete and comprises prestressing cables 22 oriented longitudinally and parallel to each other along the X axis.
  • the edge 1 is installed in a manufacturing mold 30 of the body 21 of the pre-slab 20 while being positioned along one of the longitudinal edges of this mold 30.
  • the edge 1 is positioned in the manufacturing mold 30 so that its main face comprising the magnet comes into contact with said longitudinal edge. of the mold 30.
  • the feet 12 then come to rest on a base of the manufacturing mold 30.
  • the feet 12 allow an operator to easily and quickly position the rim 1 correctly in the manufacturing mold 30 by serving as a registration point.
  • each tab 14 is positioned in the manufacturing mold 30 so as to extend just under the prestressing cables 22 arranged in the manufacturing mold 30 to be secured to the body 21 of the pre-slab 20.
  • the tabs 14 thus play. also the role of checkpoint for the operator.
  • the magnet 17 also makes it possible to correctly position the edge 1 in the manufacturing mold 30 by pressing it against the associated edge.
  • the border 1 proves to be easy to handle.
  • the border can thus be very easily placed in the mold for manufacturing the pre-slab, by virtue of its weight, its flexibility and its flexibility.
  • the concrete is then poured into the manufacturing mold 30 to form the body 21 of the pre-slab 20.
  • the antifouling nozzles 11 make it possible to protect the clipping notches 10 during the casting of the body 21 of the pre-slab 20 and in particular concrete which could accidentally be thrown towards said clipping notches 10. This prevents concrete from freezing in the notches. clip 10 which would be detrimental to a subsequent fitting of construction accessories on said border.
  • the recesses 9 make it possible to ensure a balancing of the pressures undergone by the edge 1 during the pouring of the concrete.
  • the recesses 9 are of course arranged so as to be arranged at a height of the structure 2 greater than the height of the body 21 of the pre-slab 20 so that concrete cannot penetrate through the recesses 9 between the manufacturing mold 30 and the border 1.
  • the magnet 17 makes it possible both to position the edge 1 in the manufacturing mold 30, as has already been said, but also to maintain the edge 1 in position, even during the pouring of the concrete, by keeping it. tackling against the associated shore.
  • the magnet 17 makes it possible to press the edge 1 against the edge while adhering to the manufacturing mold 30. This prevents the infiltration of concrete between the edge 1 and the manufacturing mold 30 at the level of the upper portion of the edge 1 during the casting of the body 21 which could hinder subsequent fitting of construction accessories on said edge 1 such as retaining elements.
  • the magnet 17 also makes it possible to cover the entire length of the structure 2 and therefore to press the entire edge 1 against the manufacturing mold 30.
  • the edge 1 is shaped so as to be able to match the shape of the manufacturing mold 30 so that its plating by the magnet 17 turns out to be possible.
  • the feet 12 are thus inclined relative to the rest of the structure 2 in order to be able to match the inclination of said chamfer.
  • the edge 1 is then found rigidly secured to the body 21 of the pre-slab 20 so as to form therewith an all-rigid.
  • the pre-slab 20 can then be removed from the manufacturing mold 30.
  • the rim 1 is easily and quickly secured to the body 21 of the pre-slab 20 by overmolding during the manufacture of said body 21.
  • the edge 1 is therefore rigidly secured to the body 21 by being anchored therein.
  • the lower portion of the edge corresponding to that of the structure and extending here from the feet 12 to substantially the level of the recesses 9 without however reaching the latter, is embedded in the concrete of the body 21 of the pre-slab 20.
  • the edge 1 is thus arranged so that the cells extend towards the inside of the pre-slab 20. A part of the cells are therefore found partially embedded in the concrete of the body 21 of the pre-slab 20.
  • the smooth main face of the border 1 forms the free surface of the pre-slab 20.
  • a retaining element 40 or more retaining elements can then be fitted onto said upper portion so that the retaining elements 40 and the rim 1 together constitute a shuttering portion of a compression slab intended to be cast on the pre-slab 20.
  • the invention therefore makes it possible to simplify the implementation of the formwork of the compression slab.
  • the invention makes it possible, for example, to cast a compression slab on a set of pre-slabs which is not bordered by walls or partitions over its entire periphery at the time of pouring.
  • the border is associated with a pre-slab
  • the border can be associated with any other construction element such as for example a beam, a joist, a premur, a slab ...
  • the border is suitable for receiving other construction accessories than retaining elements such as blocks of thermally insulating material, safety devices, etc.
  • the construction element may include a greater number of borders to form one of its edges, in particular although not exclusively longitudinal.
  • the successive borders can either be nested to each other at their ends, or be contiguous without being nested or be separated by space.
  • edges can be cut back to a desired length to form the edge of the construction element so that the cut end does not have any snap-fit means unlike the initial formed end, that one of the cells is not complete after cutting ...
  • the border may be different from what has been described.
  • the second row of cells may thus comprise only cells contiguous to one another.
  • the first row of cells and the second row of cells will then have the same number of cells.
  • the tabs will then extend under one of the cells of the second row, a cell not associated with an anchoring foot.
  • the border may not have feet, tab ...
  • the cells, feet, tabs, antifouling nozzles, clip notches may not all be identical.
  • the border may have a different number of rows of cells.
  • the cells will not necessarily be organized in rows.
  • the rim may thus comprise a structure other than a honeycomb structure such as for example a single longitudinal wall, a longitudinal main face of which comprises a magnet for fixing the rim to the manufacturing mold.
  • the border may be in a material other than a plastic material (whether or not it comprises a honeycomb structure) such as for example metal.
  • the magnet will then be able to ensure on its own the positioning and the maintenance in position of the edge in the manufacturing mold.
  • the magnet can be fixed to the border differently than by overmolding, for example using adhesive or by fixing elements of the screw or other type.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
EP16160859.1A 2015-03-17 2016-03-17 Bordure rectiligne d'élément de construction, élément de construction comportant une telle bordure et procédé de fabrication d'un tel élément de construction Active EP3070224B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16160859T PL3070224T3 (pl) 2015-03-17 2016-03-17 Prostoliniowe obrzeże elementu konstrukcyjnego, element konstrukcyjny zawierający takie obrzeże i sposób wytwarzania takiego elementu konstrukcyjnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1552196A FR3033813B1 (fr) 2015-03-17 2015-03-17 Bordure rectiligne d'element de construction, element de construction comportant une telle bordure et procede de fabrication d'un tel element de construction.

Publications (2)

Publication Number Publication Date
EP3070224A1 EP3070224A1 (fr) 2016-09-21
EP3070224B1 true EP3070224B1 (fr) 2021-10-27

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EP16160859.1A Active EP3070224B1 (fr) 2015-03-17 2016-03-17 Bordure rectiligne d'élément de construction, élément de construction comportant une telle bordure et procédé de fabrication d'un tel élément de construction

Country Status (5)

Country Link
EP (1) EP3070224B1 (pt)
ES (1) ES2899939T3 (pt)
FR (1) FR3033813B1 (pt)
PL (1) PL3070224T3 (pt)
PT (1) PT3070224T (pt)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005002319U1 (de) * 2005-02-14 2005-05-12 Schöck Bauteile GmbH Abschalelement zum Herstellen von Betonfertigteilen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224313A (en) * 1991-10-31 1993-07-06 Guillebeau Iii Otis P Apparatus for constructing isolation pockets
US20080023621A1 (en) * 2006-07-31 2008-01-31 Wagner Eric W Magnetic Concrete Construction Keyway System
FR2995330B1 (fr) 2012-09-10 2014-09-05 Kp1 Predalle en beton pour construction de plancher de batiment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005002319U1 (de) * 2005-02-14 2005-05-12 Schöck Bauteile GmbH Abschalelement zum Herstellen von Betonfertigteilen

Also Published As

Publication number Publication date
FR3033813B1 (fr) 2020-03-27
PL3070224T3 (pl) 2022-02-21
PT3070224T (pt) 2021-11-24
EP3070224A1 (fr) 2016-09-21
ES2899939T3 (es) 2022-03-15
FR3033813A1 (fr) 2016-09-23

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