EP1270845B1 - Safety walkway for shuttering device with adjustable curvature radius - Google Patents
Safety walkway for shuttering device with adjustable curvature radius Download PDFInfo
- Publication number
- EP1270845B1 EP1270845B1 EP02356113A EP02356113A EP1270845B1 EP 1270845 B1 EP1270845 B1 EP 1270845B1 EP 02356113 A EP02356113 A EP 02356113A EP 02356113 A EP02356113 A EP 02356113A EP 1270845 B1 EP1270845 B1 EP 1270845B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- walkway
- curvature
- formwork
- central element
- shuttering
- 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.)
- Expired - Lifetime
Links
- 238000009416 shuttering Methods 0.000 title claims description 26
- 238000009415 formwork Methods 0.000 abstract description 35
- 238000005452 bending Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/002—Workplatforms, railings; Arrangements for pouring concrete, attached to the form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/062—Forms for curved walls
- E04G11/065—Forms for curved walls with mechanical means to modify the curvature
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings
Definitions
- the present invention relates to a security gateway deformable angularly to follow the profile of a formwork device and more particularly a shuttering formwork adjustable radius of curvature for concrete structures.
- This safety gateway has a structure that allows it to be folded for handling or storage, either in isolation or on a formwork board.
- the security gateway for shuttering formwork with adjustable radius of curvature comprises circulation means which are arranged to fit and follow the radius of curvature of the shuttering formwork.
- the security gateway comprises circulation means which are arranged on the one hand to pass from a folded position to a unfolded position relative to the shuttering form and secondly, to adapt and follow the radius of curvature of the shuttering formwork.
- the safety gateway comprises circulation means which consist of a plate comprising extreme elements which are able on the one hand to be connected to the formwork box by an articulated device and secondly connected to a central element, by a pivoting connecting device, to allow the bridge to move from a folded position to an unfolded position relative to the formwork and to follow the radius of curvature of said shuttering formwork.
- the security gateway according to the present invention comprises extreme elements which consist of a plate secured to a first cross member carrying the articulated device and a second cross member, parallel to the first, and having in its extension a connecting device. .
- the security gateway according to the present invention comprises extreme elements whose connecting device consists of a rod disposed in the extension of the cross member and a sleeve provided at the free end of said rod.
- the security gateway according to the present invention comprises a central element which consists of a plate having in its middle a pivoting door allowing access to the operators on the plate.
- the security gateway according to the present invention comprises a central element whose connecting device consists of holes, respectively receiving an axis which cooperates with the sleeve of the connecting device of the end elements.
- the safety gateway according to the present invention comprises end elements whose cross is secured to stirrups for fixing and pivoting guardrails.
- the security gateway according to the present invention comprises a plate provided with a central element whose outer profile is provided to come on the one hand bearing on the end elements and on the other hand partly cover the surface of said end members.
- the security gateway according to the present invention comprises below the central element a ladder.
- the shuttering form 2 is shown in the rest position, that is to say before bending and comprises a formwork sheet 3 which is integral with a set of support beams 4.
- the formwork box 2 comprises, for example, a set of beams 4 which consists of four identical and parallel holding beams, each having a truncated point V-shaped profile.
- the support beams 4 are regularly spaced across the width and arranged along parallel generatrices over the entire height of the formwork sheet 3.
- the support beams 4 are interconnected by means of adjustment 5 in length extending transversely to said beams and connecting them in pairs in the upper and lower part of the formwork box 2.
- the adjustment means 5 consist of identical angles 6 which are fixed on the truncated points and perpendicular to the support beams 4.
- the angles 6 of the adjustment means 5 are connected to each other by screw jacks 7 which are either spaced apart or are tightened according to the bending radius of curvature that the formwork box 2 must present.
- angles 6 are connected opposite each screw jack 7 to the shuttering panel 3 by other screw jacks 8, which make it possible to improve the adjustment of the radius of curvature of said shuttering sheet at level of its free ends.
- the formwork box 2 comprises clamping means 9 which are arranged inside each holding beam 4, for the introduction of a bending template 10 in the upper and lower part of said box.
- Each clamping means 9 consists of a metal bead 11 acting as a clamping abutment which slides parallel to and above or below each support beam 4 (FIG. figures 6 and 7 ).
- the shuttering tray 2 comprises between two pairs of support beams 4 longitudinal members 12 which are fixed on the adjustment means 5 provided in the lower and upper part of said form.
- the security gateway 1 comprises circulation means which consist of a plate 13 which brings from a folded position and parallel to the formwork box to an unfolded position and perpendicular to said box.
- the plate 13 consists of two end elements 14 and 15 and a central element 16 which adapt and move relative to each other to follow the curved profile of the formwork box 2.
- Each end element 14 and 15 is fixed on the spar 12 being in correspondence by a hinge-type device 17, allowing the plate 13 to tilt or pivot around this hinge to move from a folded position parallel to the box of formwork 2, in an unfolded position and perpendicular to said form.
- the plate 18, 19 of the end members 14, 15 is integral with reinforcing crosspieces 20 and 21, parallel to one another and respectively carrying the hinge devices 17 and stirrups 22, for fixing and pivoting. guards 23 and 24 of the bridge 1.
- the reinforcing crosspieces 20 and 21 are provided in a direction of greater length than that provided for the plates 18 and 19 and more particularly in the direction of the central element 16 of the plate 13.
- each end element 14 and 15 is extended by a connecting device which consists of a rod 25 integral at its free end with a sleeve 26 forming the pivot axis of the plate 13 so that the latter follow the curved profile of the shuttering box 2.
- the reinforcing beam 20 of each end element 14 and 15 is extended by a guiding device which consists of a rod 41 integral at its free end with a sleeve 42 forming a pivoting and guiding axis of the plate 13.
- Each end element 14 and 15 comprises an extension 43, 44 which slides opposite the connecting and guiding devices and relative to the plates 18 and 19.
- This extension 43, 44 is intended, when the plate 13 has a particular curvature , to enlarge each end element 14 and 15 at each end of the gateway 1.
- the plate 27 comprises in its middle an articulated door 28 which allows access to the operators when the plate 13 is in the unfolded position.
- the central element 16 comprises, opposite the hinges 29 allowing the pivoting of the hatch 28, two parallel holes 30 and 31 with cylindrical or oblong profile, formed in the plate 27 and intended to receive respectively a connecting device formed of an axis 32 which cooperates with each sleeve 26 of the end elements 14 and 15.
- the central element 16 comprises, in the plate 27 and between the hinges 29 allowing the pivoting of the hatch 28, two parallel holes 45 and 46 with cylindrical or oblong profile, intended to respectively receive a guide device formed of an axis 47 which cooperates with each sleeve 42 of the end elements 14 and 15.
- holes 45 and 46 are directed in a direction that is perpendicular to that provided for the holes 30 and 31.
- the security gateway 1 comprises, below the central hatch 28, a ladder 33 enabling the operators to climb on said gateway.
- the ladder 33 is hooked on the bridge 1 when the latter is in the unfolded position and fixed to the latter by means of a reinforcing bar 34.
- crosspieces 21 of each end element 14 and 15 comprise, between the stirrups 22, for the establishment of the bodyguards 23 and 24, a U-shaped connection 35 for fixing a crosspiece 36 which comes, at the opposite end, attach to the corresponding spar 12.
- This crosspiece 36 allows the establishment and fixing of props 37 and 38 according to the desired configuration.
- the bending radius of the shuttering box 2 can not be greater than the overlap surface of the plate 28 of the central element 16 on the plates 18 and 19 of each end element 14 and 15.
- the end elements 14 and 15 are then immobilized by clamping devices with respect to the central element 16.
- the end elements 14 and 15 are then immobilized by clamping devices with respect to the central element 16.
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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)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
Description
La présente invention est relative à une passerelle de sécurité déformable angulairement pour suivre le profil d'un dispositif de coffrage et plus particulièrement une banche de coffrage à rayon de courbure réglable, pour les ouvrages en béton.The present invention relates to a security gateway deformable angularly to follow the profile of a formwork device and more particularly a shuttering formwork adjustable radius of curvature for concrete structures.
On connaît d'après le
Cette passerelle de sécurité présente une structure qui permet son pliage pour sa manutention ou son stockage soit de manière isolée, soit fixée sur une banche de coffrage.This safety gateway has a structure that allows it to be folded for handling or storage, either in isolation or on a formwork board.
On connaît d'après le
On connaît également d'après le
On comprend aisément que les banches à rayon de courbure réglable doivent recevoir, comme les banches droites, des passerelles de sécurité pour la circulation des opérateurs.It is easy to understand that the berms with an adjustable radius of curvature must receive, like the right berms, safety gangways for the operators' circulation.
Les passerelles droites ne pouvant pas s'adapter au profil courbe des banches de coffrage à rayon de courbure réglable, il a été nécessaire de développer et de réaliser une nouvelle passerelle de sécurité qui est susceptible de suivre tous les rayons de courbure.As the straight gangways can not adapt to the curved profile of the shuttering panels with adjustable radius of curvature, it was necessary to develop and build a new security gateway that is capable of following all the radii of curvature.
La passerelle de sécurité pour banche de coffrage à rayon de courbure réglable suivant la présente invention comporte des moyens de circulation qui sont agencés pour s'adapter et suivre le rayon de courbure de la banche de coffrage.The security gateway for shuttering formwork with adjustable radius of curvature according to the present invention comprises circulation means which are arranged to fit and follow the radius of curvature of the shuttering formwork.
La passerelle de sécurité suivant la présente invention comporte des moyens de circulation qui sont agencés, d'une part pour passer d'une position pliée à une position dépliée par rapport à la banche de coffrage et d'autre part, pour s'adapter et suivre le rayon de courbure de la banche de coffrage.The security gateway according to the present invention comprises circulation means which are arranged on the one hand to pass from a folded position to a unfolded position relative to the shuttering form and secondly, to adapt and follow the radius of curvature of the shuttering formwork.
La passerelle de sécurité suivant la présente invention comporte des moyens de circulation qui sont constitués d'un plateau comprenant des éléments extrêmes qui sont aptes d'une part à être reliés à la banche de coffrage par un dispositif articulé et d'autre part reliés à un élément central, par un dispositif de liaison pivotant, pour permettre à la passerelle de passer d'une position pliée à un position dépliée par rapport à la banche de coffrage et de suivre le rayon de courbure de ladite banche de coffrage.The safety gateway according to the present invention comprises circulation means which consist of a plate comprising extreme elements which are able on the one hand to be connected to the formwork box by an articulated device and secondly connected to a central element, by a pivoting connecting device, to allow the bridge to move from a folded position to an unfolded position relative to the formwork and to follow the radius of curvature of said shuttering formwork.
La passerelle de sécurité suivant la présente invention comporte des éléments extrêmes qui sont constitués d'une plaque solidaire d'une première traverse portant le dispositif articulé et d'une seconde traverse, parallèle à la première, et comportant dans son prolongement un dispositif de liaison.The security gateway according to the present invention comprises extreme elements which consist of a plate secured to a first cross member carrying the articulated device and a second cross member, parallel to the first, and having in its extension a connecting device. .
La passerelle de sécurité suivant la présente invention comporte des éléments extrêmes dont le dispositif de liaison est constitué d'une tige disposée dans le prolongement de la traverse et d'un manchon prévu à l'extrémité libre de ladite tige.The security gateway according to the present invention comprises extreme elements whose connecting device consists of a rod disposed in the extension of the cross member and a sleeve provided at the free end of said rod.
La passerelle de sécurité suivant la présente invention comporte un élément central qui est constitué d'une plaque comportant en son milieu une trappe pivotante permettant l'accès aux opérateurs sur le plateau.The security gateway according to the present invention comprises a central element which consists of a plate having in its middle a pivoting door allowing access to the operators on the plate.
La passerelle de sécurité suivant la présente invention comporte un élément central dont le dispositif de liaison est constitué de trous, recevant respectivement un axe qui coopère avec le manchon du dispositif de liaison des éléments extrêmes.The security gateway according to the present invention comprises a central element whose connecting device consists of holes, respectively receiving an axis which cooperates with the sleeve of the connecting device of the end elements.
La passerelle de sécurité suivant la présente invention comporte des éléments extrêmes dont la traverse est solidaire d'étriers pour la fixation et le pivotement de gardes corps.The safety gateway according to the present invention comprises end elements whose cross is secured to stirrups for fixing and pivoting guardrails.
La passerelle de sécurité suivant la présente invention comporte un plateau pourvu d'un élément central dont le profil externe est prévu pour venir d'une part en appui sur les éléments extrêmes et d'autre part recouvrir partiellement la surface desdits éléments extrêmes.The security gateway according to the present invention comprises a plate provided with a central element whose outer profile is provided to come on the one hand bearing on the end elements and on the other hand partly cover the surface of said end members.
La passerelle de sécurité suivant la présente invention comporte en dessous de l'élément central une échelle.The security gateway according to the present invention comprises below the central element a ladder.
La description qui va suivre en regard des dessins annexés, donnés à titre d'exemple non limitatifs, permettra de mieux comprendre l'invention, les caractéristiques qu'elle présente et les avantages qu'elle est susceptible de procurer :
-
Figure 1 est une vue de coté illustrant la passerelle de sécurité suivant la présente invention en position dépliée, sur une banche de coffrage à rayon de courbure réglable. -
Figure 2 est une vue de face représentant la passerelle de sécurité suivant la présente invention en position dépliée sur une banche de coffrage à rayon de courbure réglable. -
Figures 3 ,4 et5 sont des vues montrant les éléments constitutifs du plateau de la passerelle de sécurité suivant la présente invention. -
Figure 6 est une vue de dessus montrant la passerelle de sécurité selon par exemple une première position courbée. -
Figure 7 est une vue de dessus montrant la passerelle de sécurité selon par exemple une deuxième position courbée et inverse à la première.
-
Figure 1 is a side view illustrating the safety gateway according to the present invention in the unfolded position, on a shuttering formwork adjustable radius of curvature. -
Figure 2 is a front view showing the security gateway according to the present invention in unfolded position on a shuttering formwork adjustable radius of curvature. -
Figures 3 ,4 and5 are views showing the constituent elements of the safety gate tray according to the present invention. -
Figure 6 is a top view showing the security gateway for example a first curved position. -
Figure 7 is a top view showing the security gateway for example a second curved position and inverse to the first.
On a montré en
La banche de coffrage 2 est représentée en position de repos, c'est à dire avant cintrage et comprend une tôle de coffrage 3 qui est solidaire d'un jeu de poutres de maintien 4.The
La banche de coffrage 2 comprend, par exemple, un jeu de poutres 4 qui est constitué de quatre poutres de maintien identiques et parallèles, présentant chacune un profil en forme de V à pointe tronquée.The
Les poutres de maintien 4 sont régulièrement espacées sur la largeur et disposées suivant des génératrices parallèles sur toute la hauteur de la tôle de coffrage 3.The
Les poutres de maintien 4 sont reliées entre elles par des moyens de réglage 5 en longueur s'étendant transversalement aux dites poutres et reliant celles-ci deux à deux dans la partie supérieure et inférieure de la banche de coffrage 2.The
Les moyens de réglage 5 sont constitués de cornières 6 identiques qui sont fixées sur les pointes tronquées et perpendiculairement aux poutres de maintien 4.The adjustment means 5 consist of
Les cornières 6 des moyens de réglage 5 sont raccordées l'une à l'autre par des vérins à vis 7 qui sont soit écartés, soit resserrés suivant le rayon de courbure de cintrage que doit présenter la banche de coffrage 2.The
Également, les cornières 6 sont raccordées à l'opposé de chaque vérin à vis 7 à la tôle de coffrage 3 par d'autres vérins à vis 8, qui permettent d'améliorer le réglage du rayon de courbure de la dite tôle de coffrage au niveau de ses extrémités libres.Also, the
La banche de coffrage 2 comporte des moyens de serrage 9 qui sont disposés à l'intérieur de chaque poutre de maintien 4, pour la mise en place d'un gabarit de cintrage 10 dans la partie supérieure et inférieure de ladite bancheThe
Chaque moyen de serrage 9 est constitué d'un talon métallique 11 faisant office de butée de serrage qui coulisse parallèlement et au-dessus ou en dessous de chaque poutre de maintien 4 (
La banche de coffrage 2 comporte entre deux paires de poutres de maintien 4 des longerons 12 qui sont fixés sur les moyens de réglage 5 prévus dans la partie inférieure et supérieure de ladite banche.The shuttering
La passerelle de sécurité 1 comprend des moyens de circulation qui sont constitués d'un plateau 13 qui amène d'une position pliée et parallèle à la banche de coffrage à une position dépliée et perpendiculaire à ladite banche.The
Le plateau 13 est constitué de deux éléments extrêmes 14 et 15 et d'un élément central 16 qui s'adaptent et se déplacent les uns par rapport aux autres pour suivre le profil courbe de la banche de coffrage 2.The
Chaque élément extrême 14 et 15 est fixé sur le longeron 12 se trouvant en correspondance par un dispositif de type charnière 17, permettant au plateau 13 de basculer ou de pivoter autour de cette charnière pour passer d'une position pliée et parallèle à la banche de coffrage 2, à une position dépliée et perpendiculaire à ladite banche.Each
En
La plaque 18, 19 des éléments extrêmes 14, 15 est solidaire de traverses de renfort 20 et 21, parallèles l'une par rapport à l'autre et portant respectivement les dispositifs à charnière 17 et des étriers 22, pour la fixation et le pivotement des gardes corps 23 et 24 de la passerelle 1.The
Les traverses de renfort 20 et 21 sont prévues dans une direction d'une plus grande longueur que celle prévue pour les plaques 18 et 19 et plus particulièrement en direction de l'élément central 16 du plateau 13.The reinforcing
La traverse de renfort 21 de chaque élément extrême 14 et 15 se prolonge par un dispositif de liaison qui est constitué d'une tige 25 solidaire à son extrémité libre d'un manchon 26 formant l'axe de pivotement du plateau 13 pour que ce dernier suive le profil courbe de la banche de coffrage 2.The reinforcing
La traverse de renfort 20 de chaque élément extrême 14 et 15 se prolonge par un dispositif de guidage qui est constitué d'une tige 41 solidaire à son extrémité libre d'un manchon 42 formant un axe de pivotement et de guidage du plateau 13.The reinforcing
Chaque élément extrême 14 et 15 comporte une rallonge 43, 44 qui coulisse à l'opposé des dispositifs de liaison et de guidage et par rapport aux plaques 18 et 19. Cette rallonge 43, 44 est destinée, lorsque le plateau 13 présente une courbure particulière, à agrandir chaque élément extrême 14 et 15 au niveau de chaque extrémité de la passerelle 1.Each
En
La plaque 27 comporte en son milieu une trappe articulée 28 qui permet l'accès aux opérateurs lorsque le plateau 13 est en position dépliée.The
L'élément central 16 comporte, à l'opposé des charnières 29 permettant le pivotement de la trappe 28, deux trous parallèles 30 et 31 à profil cylindrique ou oblong, ménagés dans la plaque 27 et destinés à recevoir respectivement un dispositif de liaison formé d'un axe 32 qui coopère avec chaque manchon 26 des éléments extrêmes 14 et 15.The
L'élément central 16 comporte, dans la plaque 27 et entre les charnières 29 permettant le pivotement de la trappe 28, deux trous parallèles 45 et 46 à profil cylindrique ou oblong, destinés à recevoir respectivement un dispositif de guidage formé d'un axe 47 qui coopère avec chaque manchon 42 des éléments extrêmes 14 et 15.The
On remarque que les trous 45 et 46 sont dirigés suivant une direction qui est perpendiculaire à celle prévue pour les trous 30 et 31.Note that the
Lorsque le plateau 13 est assemblé, on note que l'élément central 16 vient en appui sur les plaques 18 et 19 des éléments extrêmes 14, 15 afin de les recouvrir partiellement, tandis que les trous 30 et 31 permettent, au moyen des axes 32, de réaliser une liaison pivotante entre l'élément central 16 et chacun des éléments extrêmes 14 et 15.When the
On note que la passerelle de sécurité 1 comporte en dessous de la trappe centrale 28 une échelle 33 permettant aux opérateurs de monter sur ladite passerelle. L'échelle 33 est accrochée à la passerelle 1 lorsque cette dernière se trouve en position dépliée et fixée à cette dernière par l'intermédiaire d'une barre de renfort 34.It should be noted that the
On remarque que les traverses 21 de chaque élément extrême 14 et 15 comportent entre les étriers 22, pour la mise en place des gardes corps 23 et 24, une liaison 35 en forme de U pour la fixation d'une traverse 36 qui vient, à l'extrémité opposée, se fixer sur le longeron 12 correspondant. Cette traverse 36 permet la mise en place et la fixation d'étais 37 et 38 selon la configuration recherchée.It will be noted that the
On constate, lors de l'utilisation d'un étai 38, que celui-ci est relié par une plaque de pied 39 à un bracon 40 qui est fixé sur l'un des longerons 12 correspondants.It is found, when using a
En
Ainsi, lors du cintrage de la banche de coffrage 2, on remarque que les éléments extrêmes 14 et 15 suivent la déformation de la banche de coffrage et s'écartent selon une direction courbe de l'élément central 16 en pivotant autour des axes 32.Thus, during the bending of the shuttering
On note que le rayon de cintrage de la banche de coffrage 2 ne peut être supérieur à la surface de recouvrement de la plaque 28 de l'élément central 16 sur les plaques 18 et 19 de chaque élément extrême 14 et 15.It is noted that the bending radius of the
Les éléments extrêmes 14 et 15 sont ensuite immobilisés par des dispositifs de serrage par rapport à l'élément central 16.The
En
Ainsi lors du cintrage de la banche de coffrage 2, on remarque que les éléments extrêmes 14 et 15 suivent la déformation de la banche de coffrage et se rapprochent selon une direction courbe de l'élément central 16, en pivotant autour des axes 32.Thus, during the bending of the
Dans cette position, on constate que l'élément central 16 vient recouvrir en grande partie les plaques 18 et 19 de chaque élément extrême 14 et 15 de la passerelle 1.In this position, it can be seen that the
Les éléments extrêmes 14 et 15 sont ensuite immobilisés par des dispositifs de serrage par rapport à l'élément central 16.The
Claims (5)
- Safety walkway for shuttering panel (2) having an adjustable radius of curvature, said walkway comprising adjustment means (5) for the deformation to a given radius of curvature of a shuttering sheet (3), said walkway comprising traffic means adjustable to the different radii of curvature of said shuttering panel (2), and said walkway being such that the traffic means consist of a platform (13) comprising:• a central element (16) connected to extreme elements (14, 15) in such a way that said central element (16) rests on the extreme elements (14, 15), partially covering their surfaces,said walkway being characterized in that it also comprises:• an articulated device (17) forming a hinge for connecting the extreme elements (14, 15) to the shuttering panel (2),• a pivoting connection device comprising on each extreme element (14, 15) a rod (25) attached at its free end to a sleeve (26) and on the central element (16) to holes (30, 31) which each take a pin (32) engaging with the corresponding sleeve (26) to allow the walkway (1) to be moved from a folded position to an unfolded position with respect to the shuttering panel (2) and to follow the radius of curvature of said shuttering panel as it is bent,• and extreme elements (14, 15) consisting partly of a board (18, 19) attached to a first cross member (20) supporting the articulated device (17) and partly of a second cross member (21) parallel to the first and comprising, continuous with itself, the rod (25) attached to the sleeve (26).
- Safety walkway according to Claim 1, characterized in that the central element (16) consists of a board (27) comprising a pivoting trapdoor (28) in its middle to allow operators to access the platform (13).
- Safety walkway according to Claim 1, characterized in that the cross member (21) of each extreme element (14, 15) is attached to brackets (22) for the fixing and pivoting of guard rails (23, 24).
- Safety walkway according to Claim 1, characterized in that it has a ladder (33) underneath the central element (16).
- Safety walkway according to Claim 1, characterized in that each extreme element (14, 15) includes an extension (43, 44).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0108023A FR2826033B1 (en) | 2001-06-19 | 2001-06-19 | SECURITY GATEWAY FOR A FORMWORK DEVICE WITH VARIABLE CURVE RADIUS |
FR0108023 | 2001-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1270845A1 EP1270845A1 (en) | 2003-01-02 |
EP1270845B1 true EP1270845B1 (en) | 2009-12-16 |
Family
ID=8864490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02356113A Expired - Lifetime EP1270845B1 (en) | 2001-06-19 | 2002-06-17 | Safety walkway for shuttering device with adjustable curvature radius |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1270845B1 (en) |
AT (1) | ATE452259T1 (en) |
DE (1) | DE60234739D1 (en) |
ES (1) | ES2338300T3 (en) |
FR (1) | FR2826033B1 (en) |
PT (1) | PT1270845E (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2349968B1 (en) * | 2008-11-25 | 2011-08-16 | Sistemas Tecnicos De Encofrados, S.A. | PANEL ADJUSTABLE FOR THE WRAPPING OF CURVED WALLS. |
FR2983505B1 (en) * | 2011-12-01 | 2014-01-10 | Eurobress | SECURITY GATEWAY WITH DEPLIABLE STRETCH FOR FORMWORK BANK |
IT201700017631A1 (en) * | 2017-02-16 | 2018-08-16 | Emmerre S R L | FORMWORK FOR THE CONSTRUCTION OF CONCRETE MADE DETAILS |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2442936A1 (en) * | 1978-12-01 | 1980-06-27 | Outinord St Amand | Vertical shutter for in-situ concrete walls etc. - has walk-ways and hand rails which pivot flat onto rear face for transit |
FR2669363B1 (en) * | 1990-11-20 | 1993-01-22 | Peru Jean Claude | IMPROVEMENTS ON CURVED FORMWORK. |
FR2704260B1 (en) * | 1993-04-21 | 1995-07-21 | Ricard Coffrages | PROCESS FOR BENDING SHAPED WALLS, AND BENDABLE SHAPED WALLS USING THE SAME. |
FR2711705B1 (en) * | 1993-10-27 | 1996-01-12 | Sateco Sa | Formwork device with adjustable radius of curvature, especially for concrete structures. |
-
2001
- 2001-06-19 FR FR0108023A patent/FR2826033B1/en not_active Expired - Fee Related
-
2002
- 2002-06-17 PT PT02356113T patent/PT1270845E/en unknown
- 2002-06-17 DE DE60234739T patent/DE60234739D1/en not_active Expired - Lifetime
- 2002-06-17 EP EP02356113A patent/EP1270845B1/en not_active Expired - Lifetime
- 2002-06-17 AT AT02356113T patent/ATE452259T1/en active
- 2002-06-17 ES ES02356113T patent/ES2338300T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2826033A1 (en) | 2002-12-20 |
ES2338300T3 (en) | 2010-05-06 |
FR2826033B1 (en) | 2004-07-30 |
PT1270845E (en) | 2010-03-17 |
DE60234739D1 (en) | 2010-01-28 |
ATE452259T1 (en) | 2010-01-15 |
EP1270845A1 (en) | 2003-01-02 |
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