FR2848581A1 - Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides - Google Patents

Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides Download PDF

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Publication number
FR2848581A1
FR2848581A1 FR0216060A FR0216060A FR2848581A1 FR 2848581 A1 FR2848581 A1 FR 2848581A1 FR 0216060 A FR0216060 A FR 0216060A FR 0216060 A FR0216060 A FR 0216060A FR 2848581 A1 FR2848581 A1 FR 2848581A1
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France
Prior art keywords
axis
concrete slabs
paving
transfer
joint
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FR0216060A
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French (fr)
Inventor
Michel Francis Hugues
Roland Francis Olivier Paul
Biagi Alain Di
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G S E
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G S E
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Publication date
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Priority to FR0216060A priority Critical patent/FR2848581A1/en
Priority to PCT/FR2003/003701 priority patent/WO2004065694A1/en
Priority to AU2003300592A priority patent/AU2003300592A1/en
Priority to AT03815398T priority patent/ATE557132T1/en
Priority to EP03815398A priority patent/EP1579075B1/en
Publication of FR2848581A1 publication Critical patent/FR2848581A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
    • E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
    • E01C11/14—Dowel assembly ; Design or construction of reinforcements in the area of joints

Abstract

The system has two profiles placed in a steel plate to reinforce angles between a slab surface and a joint plane. A jack has a screw to adjust the altitude of joint at every junction of a joint section. Assembly plates permits the transfer of vertical loads, and allows free movement along the x-axis and y-axis of two concrete slabs. A wire mesh with a fold is utilized for framing the slab sides.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

Cette invention permet le transfert de charges entre deux zones de dallages en béton contiguÙs, coulées à des périodes différentes (j oint de construction ou joint de coulage).  This invention allows the transfer of loads between two zones of contiguous concrete slabs, poured at different periods (construction joint or pouring joint).

L'invention permet le transfert de charges verticales, en autorisant toutefois les 5 mouvements relatifs de chaque portion de dalle dans un plan horizontal et selon tous les axes (perpendiculaire et parallèle au joint).  The invention allows the transfer of vertical loads, however allowing the 5 relative movements of each slab portion in a horizontal plane and along all axes (perpendicular and parallel to the joint).

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF THE PRIOR ART

Exposé de la problématique à résoudre Les dallages en béton de grandes dimensions doivent être fractionnés pour 10 permettre les mouvements liés au retrait et aux dilatations, mais aussi en fonction des quantités de dallage qu'il est possible d'exécuter dans une journée de travail. La surface maximale d'une zone dite de coulage est en général de l'ordre de 1 000 à 1 500 m2.  Statement of the problem to be solved Large concrete slabs must be split to allow movements related to shrinkage and expansion, but also according to the quantities of paving which it is possible to execute in a working day. The maximum area of a so-called pouring area is generally of the order of 1000 to 1500 m2.

Entre deux zones de coulage, il est nécessaire de concevoir un joint de transition qui offre différentes caractéristiques: 1) le coffrage entre une zone de coulage A et une zone de coulage B 2) les zones A et B, du fait du retrait du béton dans le temps, vont s'éloigner d'une valeur qui peut atteindre 10 à 15 mm. L'angle constitué entre le joint de coulage et la surface du dallage doit être protégé, pour résister aux chocs liés à la circulation des engins de manutention sur le dallage. Sans protection, cet angle serait rapidement 20 épaufré.  Between two pouring zones, it is necessary to design a transition joint which offers different characteristics: 1) the formwork between a pouring zone A and a pouring zone B 2) zones A and B, due to the shrinkage of the concrete in time, will move away from a value which can reach 10 to 15 mm. The angle formed between the pouring joint and the surface of the paving must be protected, to resist shocks linked to the movement of handling equipment on the paving. Without protection, this angle would quickly be deviated.

3) les charges verticales (roulantes par exemples) doivent être transmises de la zone A vers la zone B et inversement, pour éviter les problèmes dits de " pianotage " des portions de dalle respectives.  3) the vertical loads (rolling for example) must be transmitted from zone A towards zone B and vice versa, to avoid the problems known as of "strumming" of the respective slab portions.

4) le transfert de charges verticales ne doit pas s'opposer au libre mouvement dans 25 un plan horizontal de chaque portion de dalle.  4) the transfer of vertical loads must not prevent free movement in a horizontal plane of each portion of the slab.

Techniques antérieures 1) Le joint de construction claveté (fig. 1) Il s'agit d'un coffrage comportant une forme en V destiné au clavetage vertical des portions A et B (fig. 1). Cette solution ne permet pas le renfort de l'angle du 30 joint (paragraphe 2 ci-dessus). De plus, après le retrait, la forme en V n'assure plus un clavetage vertical parfait, les phénomènes de pianotage subsistent.  Previous techniques 1) The keyed construction joint (fig. 1) This is a formwork comprising a V shape intended for vertical keying of the portions A and B (fig. 1). This solution does not allow the reinforcement of the angle of the joint (paragraph 2 above). In addition, after removal, the V-shape no longer ensures perfect vertical keying, the pianotage phenomena remain.

2) Le joint dit "double-cornière" goujonné (fig. 2) Cette technique très utilisée permet: - 2 le coffrage entre A et B (tôle 2.1) le renfort des angles de joints à l'aide des deux cornières (2.2) mais il faut noter que très souvent, le béton n'ira pas combler le vide situé sous la cornière (zones 2.5 et 2.6) créant ici un défaut de solidité à l'origine de nombreux sinistres.  2) The so-called dowelled "double angle" joint (fig. 2) This widely used technique allows: - 2 the formwork between A and B (sheet 2.1) the reinforcement of the joint angles using the two angles (2.2) but it should be noted that very often, the concrete will not fill the void located under the angle (zones 2.5 and 2.6) creating here a defect of solidity at the origin of many claims.

30 le transfert des charges verticales à l'aide des goujons (barre en acier 2.3) le libre mouvement des zones A et B dans le plan horizontal grâce au fourreau (2.4). Cependant, ce mouvement ne peut se faire que selon un axe perpendiculaire au joint - alors que le libre mouvement dans le plan horizontal doit être permis dans tous les axes, pour permettre le libre retrait du béton, en particulier dans les angles des différentes 10 zones de coulage.  30 the transfer of vertical loads using studs (steel bar 2.3) the free movement of zones A and B in the horizontal plane thanks to the sheath (2.4). However, this movement can only be done along an axis perpendicular to the joint - while free movement in the horizontal plane must be allowed in all axes, to allow free withdrawal of the concrete, in particular in the angles of the different zones pouring.

3) Le joint " PERMABAN " équipé de plaques de transfert " DIAMOND DOWEL " (fig. 3) Cette technique permet: 1 le coffrage entre A et B (tôle 3.1) 1 5 2 le renfort des angles de joints, à l'aide de deux fers plats (3.2). Il faut cependant noter que ces plats n'offrent qu'une faible inertie dans le plan horizontal. La mise en oeuvre est donc difficile, le système devant être maintenu de façon importante pendant le coulage. Souvent, ce type de joint, du fait de la poussée du béton, bouge et le joint " serpente ".  3) The "PERMABAN" joint fitted with "DIAMOND DOWEL" transfer plates (fig. 3) This technique allows: 1 the formwork between A and B (sheet 3.1) 1 5 2 the reinforcement of the joint angles, using two flat irons (3.2). However, it should be noted that these dishes offer only a small inertia in the horizontal plane. The implementation is therefore difficult, the system having to be maintained significantly during the pouring. Often, this type of joint, due to the thrust of the concrete, moves and the joint "snakes".

3 le transfert des charges verticales et le libre mouvement dans le plan horizontal selon tous les axes, grâce au système DIAMOND DOWEL (3.3) 4) Le joint " OMEGA " (fig. 4) 1 le coffrage est assuré par les deux tôles (4.1) et (4.2) les angles du joint sont protégés par le sommet des tôles (4.2) et (4.1).  3 the transfer of vertical loads and free movement in the horizontal plane along all axes, thanks to the DIAMOND DOWEL system (3.3) 4) The "OMEGA" joint (fig. 4) 1 the formwork is ensured by the two sheets (4.1 ) and (4.2) the angles of the joint are protected by the top of the sheets (4.2) and (4.1).

30 les charges verticales sont transmises par la clé continue (fer plat 4. 3), mais le fait que cette forme parallèle au plan du dallage (fer plat 4.3) soit continue constitue une faiblesse du dallage, un risque de mauvaise répartition du béton, sous cette forme (zones 4.4 et 4.5) et une rupture selon les lignes (4.6) et (4.7).  30 the vertical loads are transmitted by the continuous key (flat iron 4.3), but the fact that this shape parallel to the plane of the paving (flat iron 4.3) is continuous constitutes a weakness of the paving, a risk of poor distribution of the concrete, in this form (zones 4.4 and 4.5) and a break along lines (4.6) and (4.7).

Le libre mouvement dans le plan horizontal est assuré dans tous les axes, sous réserve 30 d'une horizontalité parfaite du fer plat (4.3), ce qui sous-entend une pose parfaite de l'ensemble du joint. - 3  Free movement in the horizontal plane is ensured in all axes, subject to perfect horizontality of the flat iron (4.3), which implies perfect fitting of the entire joint. - 3

EXPOSE DE L'INVENTION L'invention permet d'assurer la transition entre deux zones de dallage en béton contiguÙs, exécutées à des périodes différentes. Elle permet: le coffrage des rives du dallage, lors du coulage de la lère partie, à l'aide de la tôle (5.1).  PRESENTATION OF THE INVENTION The invention makes it possible to ensure the transition between two contiguous concrete paving zones, executed at different periods. It allows: the formwork of the edges of the paving, during the pouring of the 1st part, using sheet metal (5.1).

Cette tôle comporte un pli à la base, lui donnant de la rigidité.  This sheet has a fold at the base, giving it rigidity.

La hauteur h de cette tôle sera l'épaisseur nominale du dallage diminuée de 1 cm pour absorber la tolérance de planimétrie de la forme support du dallage ( 1 cm) Un vérin de réglage (5.2), constitué d'une simple vis, permet un réglage parfait en 10 altitude du joint, à chaque jonction de tronçon de joint le renfort des angles situés entre la surface du dallage et le plan du joint à l'aide de deux fers plats disposés verticalement la répartition du béton au long de ces profils est parfaite. La liaison entre ces fers plats avec chaque corps de dallage (A et B) se fait à l'aide d'une poutre de type treillis bi-directionnel (5.8) qui permet à la fois la liaison fer 15 plat dallage, mais aussi d'assurer la rigidité des fers plats, lors de la pose et du coulage, évitant que le joint ne " serpente " dans le dallage. Cette liaison est complétée par une patte à scellement intermédiaire (5.5).  The height h of this sheet will be the nominal thickness of the pavement reduced by 1 cm to absorb the planimetry tolerance of the support form of the paving (1 cm) An adjustment cylinder (5.2), consisting of a single screw, allows a perfect adjustment in height of the joint, at each junction of the joint section the reinforcement of the angles situated between the surface of the paving and the plane of the joint using two flat bars arranged vertically the distribution of the concrete along these profiles is perfect. The connection between these flat bars with each paving body (A and B) is done using a bi-directional truss type beam (5.8) which allows both the flat iron paving link, but also d '' ensure the rigidity of the flat bars, during installation and casting, preventing the joint from "snaking" in the paving. This connection is completed by an intermediate sealing tab (5.5).

La liaison provisoire entre les fers plats (5.3) et (5.4) est assurée avec des boulons en " Nylon " (5.6), destinés à se rompre lors du retrait du béton.  The provisional connection between the flat bars (5.3) and (5.4) is ensured with "Nylon" bolts (5.6), intended to break when the concrete is removed.

3 le transfert des charges verticales (anti-pianotage) est assuré par des platines de clavetage (5.7) dont le fonctionnement est le suivant (fig. 6): Un fourreau métallique (6.1) de section rectangulaire est soudé sur la tôle de coffrage (6.2), perpendiculairement à cette tôle, dans la zone de coulage A. Une platine de clavetage (6.3), en acier de section rectangulaire est glissée dans le 25 fourreau (6.1), cette platine se prolonge dans la zone de coulage B. La cote h de cette platine (6.3) permet un glissement sans jeu par rapport à la côte H intérieure du fourreau (6.1).  3 the transfer of vertical loads (anti-tampering) is ensured by keying plates (5.7) whose operation is as follows (fig. 6): A metal sheath (6.1) of rectangular section is welded to the formwork sheet ( 6.2), perpendicular to this sheet, in the pouring zone A. A keying plate (6.3), of steel of rectangular section is slid into the sleeve (6.1), this plate extends into the casting zone B. The dimension h of this plate (6.3) allows sliding without play relative to the interior dimension H of the sleeve (6.1).

La cote 1 de cette platine 6.3 est largement inférieure (15 à 20 mm) à la cote L intérieure du fourreau (6.1).  The dimension 1 of this plate 6.3 is much lower (15 to 20 mm) than the interior dimension L of the sleeve (6.1).

La platine (6.3) est maintenue en position dans le fourreau (6.1) à l'aide de deux boulons (6.4) en " Nylon " de faible section destinés à se rompre lors du retrait du béton. -4  The plate (6.3) is held in position in the sheath (6.1) using two bolts (6.4) in "Nylon" of small section intended to break when the concrete is removed. -4

Les orifices (6.5) grisés sur la figure seront obturés par du ruban adhésif de façon à éviter la pénétration du béton dans la réservation située entre les parois latérales de la platine (6.3) et celles du fourreau (6.1).  The holes (6.5) grayed out in the figure will be closed off with adhesive tape so as to avoid the penetration of concrete into the reservation located between the side walls of the plate (6.3) and those of the sleeve (6.1).

La partie de la platine (6.3) située dans la zone B du dallage sera solidaire de la portion de dallage B. La partie de la platine (6.3) située dans la zone A du dallage sera libre (après rupture de boulons (6. 4) dans un plan horizontal (x et y) à l'intérieur du fourreau (6.1) (jeu latéral), mais clavetée dans un plan vertical (z) (pas de jeu au dessus et au dessous de la platine (6.3). Cette disposition permet le transfert des charges selon l'axe z, mais le libre retrait du béton selon les axes x et y.  The part of the plate (6.3) located in zone B of the paving will be integral with the paving portion B. The part of the plate (6.3) located in zone A of the paving will be free (after breaking of bolts (6. 4 ) in a horizontal plane (x and y) inside the sleeve (6.1) (lateral clearance), but keyed in a vertical plane (z) (no clearance above and below the plate (6.3). arrangement allows the transfer of loads along the z axis, but the free removal of concrete along the x and y axes.

Claims (5)

REVENDICATIONS 1) Système permettant le transfert des charges entre des dalles en béton coulé en place, caractérisé: - par l'utilisation de deux profilés en acier plat (5.3) et (5.4) destinés à renforcer les angles situés entre la surface de dallage et le plan du joint.  1) System allowing the transfer of loads between concrete slabs poured in place, characterized: - by the use of two flat steel profiles (5.3) and (5.4) intended to reinforce the angles located between the paving surface and the joint plan. - par la présence de platines de clavetage (5.7) permettant le transfert des charges verticales (antipianotage) tout en autorisant le libre mouvement dans les sens x et y des deux dalles.  - by the presence of keying plates (5.7) allowing the transfer of vertical loads (antipianotage) while allowing free movement in the x and y directions of the two slabs. - par la présence d'une tôle (5.1) destinée au coffrage des rives du dallage.  - by the presence of a sheet (5.1) intended for the formwork of the edges of the paving. 2) Système selon la revendication 1 caractérisé par l'utilisation de deux poutres de 10 type treillis bi-directionnel (5.8) pour rigidifier les profilés (5.3) et (5.4) afin d'éviter qu'ils ne serpentent, ces poutres assurant par la même occasion la liaison entre les profils (5.3) et (5.4) et les corps de dallage A et B.  2) System according to claim 1 characterized by the use of two beams of the bi-directional lattice type (5.8) to stiffen the profiles (5.3) and (5.4) in order to prevent them from snaking, these beams ensuring by at the same time the connection between the profiles (5.3) and (5.4) and the paving bodies A and B. 3) Système selon la revendication 1 caractérisé par la mise en place de platines de clavetage (6.3) associées à des fourreaux (6.1), ce qui permet le verrouillage des 15 deux portions de dallage A et B selon un axe z mais autorise le libre mouvement relatif des portions de dallage A et B selon les axes x et y.3) System according to claim 1 characterized by the establishment of keying plates (6.3) associated with sleeves (6.1), which allows the locking of the two portions of paving A and B along an axis z but allows free relative movement of the paving portions A and B along the x and y axes. 4) Système suivant la revendication 1 caractérisé par la mise en place d'une tôle (5.1) assurant le coffrage des rives du dallage.  4) System according to claim 1 characterized by the establishment of a sheet (5.1) ensuring the formwork of the edges of the paving. 5) Système suivant les revendications 1 et 4 caractérisé par la mise en place d'un 20 vérin de réglage (5.2) permettant le réglage en altitude du joint.  5) System according to claims 1 and 4 characterized by the establishment of an adjustment cylinder (5.2) for adjusting the altitude of the joint.
FR0216060A 2002-12-17 2002-12-17 Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides Withdrawn FR2848581A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0216060A FR2848581A1 (en) 2002-12-17 2002-12-17 Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides
PCT/FR2003/003701 WO2004065694A1 (en) 2002-12-17 2003-12-12 System for transferring loads between cast-in-place slabs
AU2003300592A AU2003300592A1 (en) 2002-12-17 2003-12-12 System for transferring loads between cast-in-place slabs
AT03815398T ATE557132T1 (en) 2002-12-17 2003-12-12 SYSTEM FOR TRANSFERRING LOADS BETWEEN SITE-CONCRETE PANELS
EP03815398A EP1579075B1 (en) 2002-12-17 2003-12-12 System for transferring loads between cast-in-place slabs

Applications Claiming Priority (1)

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FR0216060A FR2848581A1 (en) 2002-12-17 2002-12-17 Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides

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FR2848581A1 true FR2848581A1 (en) 2004-06-18

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FR0216060A Withdrawn FR2848581A1 (en) 2002-12-17 2002-12-17 Concrete slabs load transfer permitting system, has assembly plates to permit transfer of vertical loads and to allow free movement along x-axis and y-axis of concrete slabs, and wire mesh with fold for framing slab sides

Country Status (5)

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EP (1) EP1579075B1 (en)
AT (1) ATE557132T1 (en)
AU (1) AU2003300592A1 (en)
FR (1) FR2848581A1 (en)
WO (1) WO2004065694A1 (en)

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BE1016147A3 (en) * 2004-08-04 2006-04-04 Coredis S A Concrete slab metallic joint, has female part, placed in slab, with longitudinal flat bar and mortises that cooperate with tenons of male part, placed in another slab, having continuous flat bar, where bars form upper arris between slabs
WO2013038123A1 (en) * 2011-09-14 2013-03-21 Permaban Limited Movement joint
EP2927370A1 (en) * 2012-02-27 2015-10-07 Hengelhoef Concrete Joints Manufacturing N.v. Expansion joint

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US7736088B2 (en) 2006-07-13 2010-06-15 Russell Boxall Rectangular load plate
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US10077551B2 (en) 2015-10-05 2018-09-18 Illinois Tool Works Inc. Joint edge assembly and method for forming joint in offset position
US10119281B2 (en) 2016-05-09 2018-11-06 Illinois Tool Works Inc. Joint edge assembly and formwork for forming a joint, and method for forming a joint
US10590643B2 (en) 2016-11-16 2020-03-17 Illinois Tool Works Inc. Load transfer plate and load transfer plate pocket and method of employing same
US10533292B2 (en) 2016-12-20 2020-01-14 Illinois Tool Works Inc. Load transfer plate and method of employing same
AU2018226390A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having retaining clip
AU2018226391A1 (en) 2017-10-13 2019-05-02 Illinois Tool Works Inc. Edge protection system having support foot
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FR1317976A (en) * 1958-05-23 1963-05-10
WO1994013906A1 (en) * 1992-12-17 1994-06-23 Joensson Sven Gunnar Device for joints in concrete floors
US6354053B1 (en) * 1998-04-29 2002-03-12 Eurosteel S.A. Structural joint for slabs in moldable material
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1016147A3 (en) * 2004-08-04 2006-04-04 Coredis S A Concrete slab metallic joint, has female part, placed in slab, with longitudinal flat bar and mortises that cooperate with tenons of male part, placed in another slab, having continuous flat bar, where bars form upper arris between slabs
WO2013038123A1 (en) * 2011-09-14 2013-03-21 Permaban Limited Movement joint
EP2927370A1 (en) * 2012-02-27 2015-10-07 Hengelhoef Concrete Joints Manufacturing N.v. Expansion joint
EP2930268B1 (en) * 2012-02-27 2020-12-09 Hengelhoef Concrete Joints NV Expansion joint
EP3882396A1 (en) * 2012-02-27 2021-09-22 Hengelhoef Concrete Joints NV Structural joint

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EP1579075B1 (en) 2012-05-09
AU2003300592A1 (en) 2004-08-13
ATE557132T1 (en) 2012-05-15
WO2004065694A1 (en) 2004-08-05
EP1579075A1 (en) 2005-09-28

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