FR2650007A1 - System for automatic constant tensioning of a civil engineering works (structure) cornice - Google Patents
System for automatic constant tensioning of a civil engineering works (structure) cornice Download PDFInfo
- Publication number
- FR2650007A1 FR2650007A1 FR8910017A FR8910017A FR2650007A1 FR 2650007 A1 FR2650007 A1 FR 2650007A1 FR 8910017 A FR8910017 A FR 8910017A FR 8910017 A FR8910017 A FR 8910017A FR 2650007 A1 FR2650007 A1 FR 2650007A1
- Authority
- FR
- France
- Prior art keywords
- console
- tension
- cornice
- fixed
- elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 6
- 210000003195 fascia Anatomy 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Description
La présente invention concerne un système de mise en tension automatique constante, pour corniche d'ouvrage d'art. The present invention relates to a constant automatic tensioning system for a cornice of a civil engineering structure.
Dans des dispositifs connus de ce genre, les corniches sont réalisées sous forme d'éléments en béton préfabriqués ou coulés sur place et ils bout å bout. Elles servent à protéger de la pluie les parties sous jacentes, à masquer d'éventuels défauts de construction. In known devices of this kind, the cornices are made in the form of prefabricated concrete elements or cast in place and they end to end. They serve to protect the underlying parts from the rain, to mask possible construction faults.
Ces corniches sont d'un poids élevé et provoquent un affaissement de la chaussée, leur mise en oeuvre et leur installation sont chères car ils nécessitent le défonçage d'une partie de la chaussée. Les corniches peuvent être réalisées sous forme d'éléments en métal, tel qu'en acier ou aluminium. Ces éléments sont fixés sur l'ouvrage à l'aide de fers s'étendant å partir d'un rebord de leur partie supérieure, et placés dans une rainure formée sur la chaussée de l'ouvrage, du béton coulé dans ces rainures assurant la fixation de ces éléments å l'ouvrage. Ces éléments doivent être posés avant la fin des travaux et notamment avant ltenrobage de la chaussée, ce qui complique cette dernière opération. These cornices are of a heavy weight and cause a subsidence of the roadway, their implementation and their installation are expensive because they require the ripping of a part of the roadway. The cornices can be made in the form of metal elements, such as steel or aluminum. These elements are fixed to the structure using irons extending from a rim of their upper part, and placed in a groove formed on the roadway of the structure, concrete poured into these grooves ensuring the fixing these elements to the structure. These elements must be installed before the end of the work and in particular before the pavement is paved, which complicates this last operation.
Cette technique de pose ne permet pas un alignement très précis des éléments de corniche. Des problèmes de joints et d'étanchéité se posent, en outre du fait, des dilatations différentes des éléments de corniche et de l'ouvrage. Avec ces différents types de corniches , en béton ou en métal, 11 n'est pas possible de réaliser ultérieurement des réglages altimétriques et/ou planimetres en cas de fléchissement ou de désalignement des éléments de corniche les uns par rapport aux autres. This laying technique does not allow very precise alignment of the cornice elements. Joint and sealing problems arise, in addition due to the different expansions of the cornice elements and of the structure. With these different types of cornices, concrete or metal, it is not possible to subsequently carry out altimeter and / or planimetric adjustments in the event of deflection or misalignment of the cornice elements with respect to each other.
Comme dispositif connu nous avons aussi le système des capots de voiture du début du siècle qui comportait 2 tôles pliées, fixées d'un côté sur un axe cheminée central avec appuis latéraux, et fixées de l'autre côté par crochets sur carrosserie et radiateur, ce qui provoquait le même effet qu'unie corniche. As a known device we also have the system of car hoods from the beginning of the century which included 2 folded sheets, fixed on one side on a central chimney axis with lateral supports, and fixed on the other side by hooks on bodywork and radiator, which had the same effect as a cornice.
Un autre dispositif similaire existe surtout dans les brevets
antérieurs, ces systèmes exploités sont formés d'éléments de corniches fixés bout à bout sur le bord de l'ouvrage, ils sont caractérisés en ce que chaque élément de corniche est formé en combinaison, d'une part, au moins, de deux consoles ayant la même forme que la corniche et aptes à être fixées å intervalle régulier sur le bord de l'ouvrage en des points d'ancrage, et d'autre part pour permettre l'accrochage de 1' élément en feuille sur chaque console, et d'autre part, pour tendre l'élément en feuille sur chaque console.Another similar device exists especially in patents
previous, these operated systems are formed of elements of cornices fixed end to end on the edge of the structure, they are characterized in that each element of cornice is formed in combination, on the one hand, at least, of two consoles having the same shape as the cornice and capable of being fixed at regular intervals to the edge of the work at anchor points, and on the other hand to allow the hanging of the sheet element on each console, and on the other hand, to stretch the leaf element on each console.
Mais ce dispositif présente l'inconvénient que le système comprenant des boulons en tension directe, provoque un allongement du métal qui se libère. Les éléments en feuille étant en tension continue, les contraintes dues aux chocs thermiques créent des allongements du métal et une désarticulation des tôles. However, this device has the disadvantage that the system comprising bolts in direct tension, causes an elongation of the metal which is released. The sheet elements being in continuous tension, the stresses due to thermal shocks create elongations of the metal and a disarticulation of the sheets.
Tous les systèmes antécédents manquaient de souplesse et étaient longs à mettre en place. All the previous systems lacked flexibility and took a long time to set up.
Le dispositif suivant l'invention permet d'éviter ces inconvénients et d'y remédier. En effet, un rattrapage de jeu automatique, par mise en tension différentielle, par ressort associé à un bras de levier, permet de remplacer les systèmes actuels de boulons. Ainsi on absorbe les contraintes dues aux chocs thermiques et aux déformations provoquées par les charges variables de la circulation sans aucun risque de vibrations ou cassures au niveau de l'élément feuille. The device according to the invention makes it possible to avoid these drawbacks and to remedy them. Indeed, an automatic backlash, by differential tensioning, by spring associated with a lever arm, makes it possible to replace the current systems of bolts. Thus, the stresses due to thermal shocks and to deformations caused by variable traffic loads are absorbed without any risk of vibrations or breakage at the level of the sheet element.
Le système de tension variable permet, en cas de fléchissement ou de desalignement des éléments en feuille préformée de corniche les unes par rapport aux autres, de rendre l'ensemble plus élastique et d'absorber les dilatations, les déformations, les chocs thermiques . Les éléments en feuille préformées ne se déforment pas et restent plaquées et adaptées sur les consoles grace à leurs systèmes de tension automatique. The variable tension system allows, in the event of deflection or misalignment of the elements in a preformed sheet of cornice with respect to each other, to make the assembly more elastic and to absorb expansions, deformations, thermal shocks. The preformed sheet elements do not deform and remain flattened and adapted on the consoles thanks to their automatic tensioning systems.
Le dispositif objet de l'invention comporte un rattrapage de jeu automatique, par mise en tension différentielle, par ressort associé à un bras de levier. Le bras de levier fait une action de serrage sous l'action du ressort hélicoidal. La partie d'élément en feuille est tendue à l'aide de différents systèmes de tension, variantes de l'action du ressort hélîcoidal sous l'effet du bras de levier. The device which is the subject of the invention comprises an automatic backlash adjustment, by differential tensioning, by spring associated with a lever arm. The lever arm performs a clamping action under the action of the helical spring. The part of the sheet element is tensioned using different tension systems, variants of the action of the helicoidal spring under the effect of the lever arm.
Ainsi,la tension automatique et constante peut etre également provoquée par une lame formant ressort ou par un ressort en forme de"U". Thus, the automatic and constant tension can also be caused by a leaf forming a spring or by a spring in the shape of a "U".
Les dessins annexés illustrent, à titre d'exemple, un mode de réalisation du dispositif conforme à la présente invention. The accompanying drawings illustrate, by way of example, an embodiment of the device according to the present invention.
Tel qu'il est représenté le dispositif objet de l'invention comporte l'avantage de provoquer une tension automatique constante. As shown, the device which is the subject of the invention has the advantage of causing a constant automatic voltage.
La rigure 1 est une vue transversale d'une corniche selon l-'invention, montrant le dispositif de tension. La Figure 4 représente le même système de tension automatique constante en perspective. La rigure 1 is a transverse view of a cornice according to the invention, showing the tensioning device. Figure 4 shows the same constant automatic tension system in perspective.
Le dispositif objet de l'invention comporte une console (1) fixée par deux-écrous (2) sur le bord du tablier (3) d'un pont. The device object of the invention comprises a console (1) fixed by two nuts (2) on the edge of the deck (3) of a bridge.
Les éléments en feuille (4) s'appliquent sur le bandeau extérieur de le console et viennent å cheval sur le bandeau
La partie du bandeau extérieur (5) de la console (1) est formée par la partie du bandeau (5) extérieur de la console et soudée sur le ou les bras inférieurs (7) de la console et sur le bras supérieur (8) de la console.Ces bras (7 et (8) étant eux même soudés sur l'élément fixation de la console (9) sur le tablier.The elements in sheet (4) are applied on the external strip of the console and come astride the strip
The part of the outer strip (5) of the console (1) is formed by the part of the strip (5) outside of the console and welded to the lower arm (s) (7) of the console and to the upper arm (8). These arms (7 and (8) are themselves welded to the fixing element of the console (9) on the deck.
L'élément en feuille de la corniche (4) présente à ses extrémités respectivement supérieure et inférieure un retour préformé destiné à son accrochage sur les profilés filants (6 et 13). The sheet element of the cornice (4) has at its upper and lower ends respectively a preformed return intended for its attachment to the extruding sections (6 and 13).
La pièce de tension (11) fait une action de serrage sous l'action du ressort hélicoidal (10). La Figure 6 donne une vue de dessus du ressort hélicoidal. The tension piece (11) performs a clamping action under the action of the helical spring (10). Figure 6 gives a top view of the helical spring.
La partie d'élément en feuille (5) est tendue à l'aide du dispositif de tension (11). The sheet element part (5) is tensioned with the tensioning device (11).
Le bras de levier de tension sert à conserver sa forme à la console lors de la mise en tension de l'élément feuille, sans risque de cassure au niveau de l'élément feuille. Ce système n'offre aucun risque de vibration. The tension lever arm is used to keep its shape at the console when the sheet element is tensioned, without risk of breakage at the sheet element. This system offers no risk of vibration.
Tout ce système inventif donne à la corniche une tension automatique constante malgré les contraintes dues aux chocs thermiques et aux déformations provoquées par les charges variables de la circulation. All this inventive system gives the cornice a constant automatic tension despite the stresses due to thermal shocks and deformations caused by variable traffic loads.
I1 existe plusieurs variantes de ce système où le montage de la
corniche est réalisé sensiblement de la même façon que précédemment
- selon une réalisation de l'invention (Figure 2), la tension automatique et constante est provoquée par la pièce de tension (14) rapportée formant lame de ressort (14) .Sur cette pièce de tension une extrémité comportant une pliure prenant appui sur la partie supérieure de l'élément de fixation de la console et l'autre extrémité portant le profilé supérieur (13) filant soudé à celle-ci.There are several variants of this system where the mounting of the
cornice is made in much the same way as before
- According to one embodiment of the invention (Figure 2), the automatic and constant tension is caused by the added tension piece (14) forming a leaf spring (14). On this tension piece, one end comprising a fold resting on the upper part of the fastening element of the console and the other end carrying the upper profiled section (13) welded thereto.
- selon une autre réalisation de l'invention (Figures3 et 5), la tension automatique constante est provoquée par un ressort en forme de "U" (15) sur lequel est soudé le profilé supérieur filant, à une extrémité, sur l'autre extrémité il est fixé sur l'élement de fixation de la console et du bandeau extérieur de cette dernière. La tôle est mise en tension par l'effet d'ouverture du ressort en
L'élément en feuille preformé formant corniche peut être en alluminium, en matière plastique, en P.V.C., en résine de synthèse et fibre de verre ou en tout autre matériaux de caractéristique mécanique équivalente.- According to another embodiment of the invention (Figures 3 and 5), the constant automatic tension is caused by a "U" -shaped spring (15) on which the upper threaded profile is welded, at one end, on the other end it is fixed on the fixing element of the console and the outer strip of the latter. The sheet is tensioned by the opening effect of the spring in
The preformed sheet element forming a cornice can be made of aluminum, plastic, PVC, synthetic resin and fiberglass or any other material of equivalent mechanical characteristic.
Sur le bras supérieur (8) de la console est placé un ressort hélicoidal (10) exerçant une pression sur la pièce de tension mobile (11) articulée à une extrémité sur l'axe (12) traversant les bords de l'élément de fixation(9) de la console (1). On the upper arm (8) of the console is placed a helical spring (10) exerting pressure on the movable tension piece (11) articulated at one end on the axis (12) crossing the edges of the fixing element (9) of the console (1).
L'autre extrémité de la pièce de tension mobile portant un profilé supérieur filant (13) soudé à cette dernière. The other end of the movable tension piece carrying a threaded upper profile (13) welded to the latter.
Cet axe étant maintenu en place par tout système classique tel que tête à une extrémité et écrou à l'autre ou par goupille ou clavette. This axis being held in place by any conventional system such as head at one end and nut at the other or by pin or key.
Pour la mise en place de l'élément feuille formant la corniche il suffit de comprimer le ressort hélicoidal (10) par une pression sur la pièce de tension mobile (11) et de mettre en place l'élément feuille préformé formant corniche, à cheval sur les profilés supérieur (13) et inférieur (6) puis de relacher le pression sur la pièce de tension pour que l'ensemble soit en place définitivement sous la pression constante et automatique du ressort. For the installation of the sheet element forming the cornice, it suffices to compress the helical spring (10) by pressing on the movable tension piece (11) and to put in place the preformed sheet element forming the cornice, on horseback. on the upper (13) and lower (6) profiles then release the pressure on the tension piece so that the assembly is in place definitively under the constant and automatic pressure of the spring.
Le dispositif objet de l'invention peut être utilisé dans de nombreux ouvrages ou existent des problèmes d'élasticité de l'élément feuille des corniches, de dilatations, des problèmes de serrage, d'alignement des corniches, des contraintes dues aux chocs thermiques. The device which is the subject of the invention can be used in numerous works where there are problems of elasticity of the sheet element of the cornices, dilations, problems of tightening, alignment of the cornices, stresses due to thermal shocks.
Claims (4)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8910017A FR2650007B1 (en) | 1989-07-18 | 1989-07-18 | CONSTANT AUTOMATIC TENSIONING SYSTEM FOR WORKING CORNICE |
| ES9001894A ES2024906A6 (en) | 1989-07-18 | 1990-07-11 | System for automatic constant tensioning of a civil engineering works (structure) cornice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8910017A FR2650007B1 (en) | 1989-07-18 | 1989-07-18 | CONSTANT AUTOMATIC TENSIONING SYSTEM FOR WORKING CORNICE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2650007A1 true FR2650007A1 (en) | 1991-01-25 |
| FR2650007B1 FR2650007B1 (en) | 1992-04-30 |
Family
ID=9384126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8910017A Expired - Fee Related FR2650007B1 (en) | 1989-07-18 | 1989-07-18 | CONSTANT AUTOMATIC TENSIONING SYSTEM FOR WORKING CORNICE |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES2024906A6 (en) |
| FR (1) | FR2650007B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT404851B (en) * | 1992-03-09 | 1999-03-25 | Josef Fladnitzer Kunstschmiede | Sound-damping device for expansion joints on bridges |
| FR2768754A1 (en) * | 1997-09-23 | 1999-03-26 | Rotocentre | Cover for edge of bridge |
| NL2002505C2 (en) * | 2009-02-06 | 2010-08-09 | Fibercore Europ B V | COMPOSITION OF A CONSTRUCTION WORK AND OF AN EDGE ELEMENT. |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109112959B (en) * | 2018-10-24 | 2021-04-27 | 贵州省遵义公路管理局 | Road bridge vehicle upper part impact protection system and protection method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH199627A (en) * | 1938-02-23 | 1938-08-31 | Soc D Expl De Brevets Et Licen | Device for fixing, in a removable manner, a cover part on a perforated support, in particular a radiator cover on the perforated wall usually concealing the radiator of an automobile. |
| US2613464A (en) * | 1950-12-16 | 1952-10-14 | Robert L Lisle | Sign mounting |
| DE957819C (en) * | 1957-01-17 | München-Obermenzing Edmund Friedrich Weiß | Fixing device for badges on documents | |
| DE3323834A1 (en) * | 1983-07-01 | 1985-01-03 | Polensky & Zöllner GmbH & Co., 6000 Frankfurt | Moulding |
| EP0170597A1 (en) * | 1984-07-04 | 1986-02-05 | L'EQUIPEMENT ROUTIER, Société Anonyme dite: | Cornice for bridges |
| EP0205780A1 (en) * | 1985-04-12 | 1986-12-30 | Linde Aktiengesellschaft | Holder for information carriers |
-
1989
- 1989-07-18 FR FR8910017A patent/FR2650007B1/en not_active Expired - Fee Related
-
1990
- 1990-07-11 ES ES9001894A patent/ES2024906A6/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE957819C (en) * | 1957-01-17 | München-Obermenzing Edmund Friedrich Weiß | Fixing device for badges on documents | |
| CH199627A (en) * | 1938-02-23 | 1938-08-31 | Soc D Expl De Brevets Et Licen | Device for fixing, in a removable manner, a cover part on a perforated support, in particular a radiator cover on the perforated wall usually concealing the radiator of an automobile. |
| US2613464A (en) * | 1950-12-16 | 1952-10-14 | Robert L Lisle | Sign mounting |
| DE3323834A1 (en) * | 1983-07-01 | 1985-01-03 | Polensky & Zöllner GmbH & Co., 6000 Frankfurt | Moulding |
| EP0170597A1 (en) * | 1984-07-04 | 1986-02-05 | L'EQUIPEMENT ROUTIER, Société Anonyme dite: | Cornice for bridges |
| EP0205780A1 (en) * | 1985-04-12 | 1986-12-30 | Linde Aktiengesellschaft | Holder for information carriers |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT404851B (en) * | 1992-03-09 | 1999-03-25 | Josef Fladnitzer Kunstschmiede | Sound-damping device for expansion joints on bridges |
| FR2768754A1 (en) * | 1997-09-23 | 1999-03-26 | Rotocentre | Cover for edge of bridge |
| NL2002505C2 (en) * | 2009-02-06 | 2010-08-09 | Fibercore Europ B V | COMPOSITION OF A CONSTRUCTION WORK AND OF AN EDGE ELEMENT. |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2024906A6 (en) | 1992-03-01 |
| FR2650007B1 (en) | 1992-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |