EP0231525B1 - Dispositif de passage pour joints de dilatation dans les tabliers des ponts de chemin de fer - Google Patents

Dispositif de passage pour joints de dilatation dans les tabliers des ponts de chemin de fer Download PDF

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Publication number
EP0231525B1
EP0231525B1 EP86118112A EP86118112A EP0231525B1 EP 0231525 B1 EP0231525 B1 EP 0231525B1 EP 86118112 A EP86118112 A EP 86118112A EP 86118112 A EP86118112 A EP 86118112A EP 0231525 B1 EP0231525 B1 EP 0231525B1
Authority
EP
European Patent Office
Prior art keywords
edge
profile
expansion profile
track
expansion
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
Application number
EP86118112A
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German (de)
English (en)
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EP0231525A1 (fr
Inventor
Hermann Wegener
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.)
Mageba GmbH
Original Assignee
Glacier GmbH Sollinger Huette GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Glacier GmbH Sollinger Huette GmbH filed Critical Glacier GmbH Sollinger Huette GmbH
Priority to AT86118112T priority Critical patent/ATE47441T1/de
Publication of EP0231525A1 publication Critical patent/EP0231525A1/fr
Application granted granted Critical
Publication of EP0231525B1 publication Critical patent/EP0231525B1/fr
Expired legal-status Critical Current

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    • 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
    • E01D19/06—Arrangement, construction or bridging of expansion joints

Definitions

  • the invention relates to a roadway transition for expansion joints at railway bridges, with an elastic, extending along a road joint expansion profile, which is supported on its edge area on both sides of the road joint each a rigid edge profile attached to a substructure, and with a supporting the expansion profile from below Support device.
  • Transitional structures that are used for expansion joints on railway bridges must be installed under the ballast surface that supports the track structure.
  • this creates certain problems if e.g. in such a transition construction, the expansion profile must be expanded or renewed for some reason.
  • the expansion profile must be extended upwards in this case.
  • this makes it necessary that the corresponding railway line must be shut down during the time of expansion, which leads to changes in the timetable and other conclusions and is generally associated with very considerable costs.
  • small support bridges have to be installed on the track in order to bridge the area in which the expansion is being carried out, and to provide intermediate support for the sleepers when the ballast is removed to expand the expansion profile.
  • block-like expansion profiles are preferably used, which are provided with suitable supporting ribs, cavities or the like. are provided and which are able to bridge the displacement path occurring in the joint due to their elastic extensibility.
  • DE-A 1 459 736 describes a carriageway crossing for two sections of a traffic area, for example a road or a road surface of a bridge, in which an elastic expansion profile is held under compression between rigid edge profiles arranged on its edge regions and each fastened to a substructure and is supported downward by an angled support bracket attached to one of the same by welding. Furthermore, the expansion profile is also held by rectangular holding rods welded to the side edge profiles, which protrude into correspondingly shaped lateral receiving grooves in the expansion profile, as a result of which this is held in position. These side bars also have a supporting effect downwards, whereas the lower angle support beam can only have a more or less strong supporting effect depending on the size of the gap narrowing or gap expansion.
  • the expansion joint is also closed further below by a cover film which protrudes laterally into the concrete parts and is therefore likewise not removable.
  • a relatively complex installation is necessary, to which, in the lateral ceiling parts of the street or the like.
  • lateral recesses must first be provided in order to create free assembly spaces above the expansion joint.
  • special tensioning rails must be used, on the underside of which the rigid edge profiles are fastened with the rotating profile in between and then moved towards each other by tensioning bolts until the expansion profile has received the desired compression.
  • the expansion profile extending along the carriageway joint is held at its edge areas on both sides of the carriageway joint by a rigid edge profile attached to the substructure of the bridge protection concrete there.
  • a support device designed in the form of a metal edge construction which is firmly connected to the end supports of the bridge and / or the bridge abutments and extends on the underside of the expansion profile, this is supported from below.
  • the surface of the expansion profile is in a line with the surface of the lateral protective concrete layers of the bridge, and the ballast for receiving the track sleepers is applied directly to the surface of the protective concrete and expansion profile.
  • the invention has for its object to develop a transition construction of the type mentioned in such a way that the expansion of the expansion profile is considerably simplified, greatly accelerated and significantly cheaper and the disadvantages mentioned at the outset, which occur in known transition structures (such as blocking the route, installation) an intermediate support or similar) can be avoided.
  • the overall arrangement of the carriageway transition is designed so that the expansion profile can be inserted from below into the space between the two edge profiles during assembly
  • the support device is designed in the form of at least one holding plate, the at least one holding plate within the gap , which is formed between the substructures on both sides of the carriageway joint, is arranged so that it is fully accessible from below, that the at least one holding plate is detachably attached to a support element and that the top of the expansion profile is provided with a slot-like opening, which rests laterally on top of the edge profiles Cover plate is covered.
  • the solution according to the invention makes it possible for the first time that the expansion profile can be expanded from the underside of the carriageway transition without having to remove the ballast on the top.
  • To dismantle the expansion profile it is only necessary to undo the fastening means from the underside of the carriageway transition construction with which the existing retaining plate (s), which are / are fully accessible from below, are then removed, after which the retaining plate is removed (n) down is possible without problems. Then the expansion profile can then be pulled out downwards, since it was also inserted from below during the first assembly into the space between the edge profiles.
  • the roadway crossing according to the invention enables a surprisingly simple improvement in the replacement of the expansion profile with surprisingly simple means.
  • the costs as well as the time required for changing the profile are reduced to a minimum and, moreover, a disruption to the timetable or the train traffic above the roadway crossing construction is completely avoided. It is highly surprising to the person skilled in the art that this can be achieved at the same time without increased structural complexity, but rather with the simplest means.
  • the cover plate is provided as a support element for the lower holding plate and the holding plate is fastened to it by means of screws extending through the expansion profile.
  • the presence of the rigid cover plate is also used for its use as a support element for the lower holding plate, so that the attachment of very special support elements, for example on the base of the bridge structure, can be omitted.
  • a distance is formed between each end edge of the holding plate and the corresponding edge profile facing it, which is at least the size of the entire deformation path for which the expansion profile is designed. In this way, the expansion profile can be supported from below over a relatively wide area, and at the same time sufficient space is available for the lateral deformation paths of the expansion profile that occur.
  • the carriageway transition according to the invention is that two lateral holding plates are provided, each of which is releasably attached to a supporting element projecting from the corresponding substructure on one side of the carriageway joint towards the other substructure (i.e. the substructure on the opposite side of the carriageway joint).
  • the cover plate is no longer used, but now special support elements attached to the substructure on both sides of the road joint are used, which nevertheless results in an overall arrangement which is simple in construction and can be assembled easily and without problems.
  • each edge profile has a cross-section lying on the side edges of the expansion profile above its height and an edge strip covering the corresponding edge region of the expansion profile from the top
  • the cover plate on both sides of the joint edge rests on the edge strips of the edge profiles and the two support elements project to the lower end edge of the side bar of the respective edge profile facing the expansion profile.
  • the edge strips below the rigid edge profiles are brought so far to the opening for the expansion profile formed by the two edge profiles on the underside of the roadway that this opening in particular remains free for the installation and removal of the expansion profile, but otherwise the supporting elements are as far as the corresponding ones Extend opening edges on the underside of the edge strips.
  • each holding plate is screwed to the support element in the area of the side web of the corresponding edge profile.
  • Another preferred embodiment of the roadway crossing according to the invention can also be achieved in that the edge profiles and the support elements themselves are not designed as separate components, but rather that the edge profiles are provided as part of the support elements themselves, ie are integrated with them in a common component.
  • the fixing or attachment of the cover plate on the top of the expansion profile is preferably effected by the fact that at the bottom of the profile along its central region, spaced apart spacers are attached through the gap between the mutually facing end edges of the two holding plates, at the end of which one or more, extending over the length of the joint, projecting beyond the ends of the holding plates on both sides of the gap
  • Counter-pressure plate (s) is / are arranged, the lateral end regions of which are displaceable relative to the underside of the holding plates and which are screwed to the cover plate through the spacers and the expansion profile.
  • the end regions of the counterpressure plate (s) which bear against the underside of the holding plate are preferably provided with a friction-reducing coating, preferably a coating made of a polyimide or polytetrafluoroethylene.
  • the spacers are preferably attached to the bottom of the expansion profile in that the spacers are vulcanized thereon.
  • the counterpressure plate preferably covers each side holding plate by at least the full deformation path of the expansion profile, which ensures that even when the largest deformations occur there is still sufficient lateral coverage and thus the desired bilateral support of the counterpressure plate on both side holding plates.
  • reinforcing ribs arranged transversely to the longitudinal axis of the joint are arranged on the cover plate, such reinforcing ribs being arranged particularly advantageously at all screwing-in points of fastening screws for the counter-pressure plate (s) and / or the holding plate (s) .
  • the reinforcement ribs are of great value, in particular when expanding the expansion profile, because they enable the load on the cover plate to be better absorbed by the ballast and the traffic loads.
  • Such reinforcing ribs are preferably attached to the cover plate by welding.
  • each holding plate over the length of the joint consists of a plurality of individual plate sections (plate sections) arranged next to one another, which are independently detachably attached to the relevant support elements. This allows better handling of the counter-pressure plates by dividing them into handy section lengths.
  • Fig. 1 a basic sectional view of a joint transition construction (without ballast and tracks) for a railway bridge is shown, with which a carriageway joint F is bridged.
  • the bridge On both sides of the carriageway joint F, the bridge is provided at the top with a layer of bridge protection concrete 1 a and 1 b, respectively, which is supported by a bridge insulation 13 on a substructure 21 a and 21 b, respectively.
  • the transition construction has a block expansion profile 2 made of a suitable elastic material, preferably an elastomeric material, which is positively clamped or held laterally by rigid strip-shaped edge profiles 3 or 4, these edge profiles 3 and 4 simultaneously being on the outside as well Contact surface and support for the adjacent bridge protection concrete layers 1a and 1b serve.
  • edge profiles 3 and 4 are also laterally form-fitting (in the example shown in Fig. 1, to which express reference is made) sealing tapes 5, which are connected to the bridge insulation 13 on the respective side via a sealing intermediate layer 26 and ensure that there is a corresponding lateral seal at the bottom.
  • the elastic expansion profile 2 has a cross section such that it has a substantially continuous surface formed from a plurality of adjacent longitudinal strips on its upper side, which is at the same height as the surface of the side edge profiles 3 and 4.
  • a large number of staggered profile recesses 27 are provided in the interior of the expansion profile 2 and extend in the longitudinal direction of the profile result in the desired expansion behavior of the expansion profile 2.
  • the two rigid lateral edge profiles 3 and 4 have, seen in cross section, a side web 3a or 4a which lies against the side edges of the expansion profile 2 above its height and which at its upper end projects with an edge strip 3b or 3b projecting at right angles in the direction of the expansion profile 2 4b is provided, at the free end of which a bulge which bulges downward is formed.
  • the side web 3b, 4b formed in this way of the rigid edge profiles 3, 4 thus covers the expansion profile 2 in a certain edge area from above, as shown in FIG. 1, reference being expressly made to the drawing there.
  • cover plate 14 On the top of the arrangement of extension profile 2 and subsequent rigid side edge profiles 3 and 4 lying in one plane there is a cover plate 14 which closes the top and which not only covers the space filled in above by expansion profile 2, but also laterally the surface of the edge profiles 3 or 4 present there extends out and is supported on the top thereof.
  • elongated slot-shaped transverse openings 16 are arranged in the cover plate 14 at intervals, which are aligned at right angles to the longitudinal axis of the cover plate 14.
  • the cover plate 14 which is slotted in this way, bridges the entire expansion joint construction and supports the ballast downwards, in particular if, for the purpose of assembling or disassembling the expansion profile 2, this is to be removed or installed from its lateral brackets by the rigid edge profiles 3 and 4.
  • the openings 16 in the cover plate have the task of creating free exit for the ballast abrasion that is washed under the cover plates (which cannot be prevented in practice). At the same time, however, it is also prevented that the ballast abrasion could build up and crust under the cover plate.
  • stiffening ribs 15 On the surface of the cover plate 14 are also, at certain intervals from each other, stiffening ribs 15 between the elongated openings 16 at the locations where screwings are made from below into the plate, to which we will have to come back. These stiffening ribs 15 are also aligned perpendicular to the longitudinal axis of the cover plate 14.
  • substructures for the transition structure which are provided on both sides of the carriageway joint F above directly in the area of the end of the bridge protection concrete layers 1 a, 1 b.
  • These substructures which are generally designated by 21 a and 21 b in FIG. 1, have anchors 22 to which corresponding support elements 7 for the transition construction are welded.
  • these support elements 7 protrude directly below the bridge insulation 13 up to the respectively lower end edge 20 of the respective side web 3a or 4a of the edge profiles 3 or 4 facing the expansion profile 2.
  • the transition structure is supported in the entire edge area, these projections of the support elements 7 also simultaneously covering the lateral rigid edge profiles 3, 4 over their full lower surface.
  • the support elements 7 support the rigid edge profiles 3 and 4 from their underside, they also serve as fastening elements for two holding plates 6a and 6b attached laterally below the expansion profile 2, which can be detached from the support elements 7 from below by means of screws 8 are attached.
  • These two holding plates 6a and 6b are designed such that they support the lower surface of the expansion profile 2 from the two sides up to a central region.
  • the expansion profile 2 is clamped between the respective holding plate 6a or 6b on the one hand and the edge strips 3b or 4b of the edge profiles 3 and 4 projecting inwards at the top when the holding plates 6a, 6b are screwed on, so that overall a firm mounting of the Expansion profile 2 is reached within the overall construction.
  • the mutually facing end edges 19a, 19b of the holding plates 6a, 6b form between them a free gap a, via which the expansion profile 2 is not supported by the holding plates from below.
  • a free gap a via which the expansion profile 2 is not supported by the holding plates from below.
  • spacers 9 which extend perpendicularly over the entire height of the gap a and on the underside of which a pressure plate 10 projecting on both sides is arranged, which overlaps the side holding plates 6a and 6b with their two lateral end regions from below, as is shown in FIGS. 1 to 3.
  • the two ends of the counter-pressure plate 10 each lie from below on the corresponding undersides of the side holding plates 6a and 6b so as to be displaceable relative to the latter, the friction-reducing linings 12 (approximately made of PTFE) are provided.
  • the counter-pressure plate 10 is in turn fastened to the cover plate 14 by means of screws 11, which run through the spacers 9 and the expansion profile 2.
  • the position of the spacers is 9 or the screws 11 chosen so that on the top of the cover plate 4 there is a stiffening rib 15 at each screw-in point, so that the screw-in end of the screws 11 has a sufficiently large screw-in length on the cover plate 14 as a result of the stiffening ribs 15.
  • the horizontally movable counter-pressure plate 10 which is screwed through the expansion profile 2 with the slotted cover plate 14 and the reinforcements 15, prevents the cover plate 14 from the surface of the expansion joint construction (which is formed by the surface of the side edge profiles 3, 4 and could lift off the surface of the expansion profile 2).
  • the counter-pressure plate 10 is not designed as a single single plate extending over the entire length of the road joint, but is divided into a plurality of individual plates which are available in handy section lengths and can be installed in a correspondingly simplified manner. These individual plates are arranged side by side and in their entirety then form the counter-pressure plate 10 which extends over the entire length of the road joint, the individual plates being screwed to the cover plate 14 independently of one another by their own screws 11.
  • 3 and 4 now show basic perspective sectional representations, which represent these carriageway transitions for railway bridges in the installed state. 3 and 4, just like in FIGS. 1 and 2, the same elements continue to be provided with the same reference numerals.
  • FIG. 3 shows (albeit in a somewhat simplified manner) such a perspective sectional illustration of the installed state of a roadway crossing, as was already shown in FIG. 1, while FIG. 4 illustrates another embodiment.
  • FIGS. 3 and 4 clearly show how such a carriageway crossing is arranged at a railway bridge over a carriageway joint F of width S and under a ballast fill 23 on which the rail sleepers 24 carrying the rails 25 are arranged.
  • the ballast fill 23 is only shown in the rear part of the drawing, while in the front part of the drawing both the ballast fill and the track construction for exposing and perspective illustration of the carriageway transition are omitted.
  • FIG. 3 and 4 show the carriageway transition construction extending in the longitudinal direction of the joint with the expansion profile 2 and the lateral edge profiles 3, 4, with only one stiffening rib 15 on the top of the cover plate 14 (with the thread position indicated for screwing in a fastening screw for the holding plate 6 or the pressure plate 10) is shown.
  • the rigid lateral edge profiles 3 and 4 are designed in a different way than in the representations of FIGS. 1 to 3: in FIG.
  • lateral rigid edge profiles 3, 4 are used, which in turn are used have a vertically extending side web, which also extends over the entire height of the expansion profile 2, but this time, not on the upper side, but on its underside, it has a supporting angled portion (and this time in the direction of the joint outside).
  • This angling engages under the protruding extensions of the support elements 7 in a similar manner, as is the case for the holding plates 6a and 6b in the illustration in FIG. 3 (cf. also FIG. 1).
  • the lateral holding plates 6a and 6b each support the expansion profile 2 from below, in the embodiment according to FIG.
  • a single holding plate 6 is provided, namely in the central region of the expansion profile 2, extending in its longitudinal direction is arranged.
  • This holding plate 6 is via screw, not shown in Fig. 4 ben, which extend through the expansion profile 2, to the cover plate 14, which completely covers the expansion profile 2 and which is also supported in its lateral areas at the top on the edge profiles 3 and 4.
  • a stiffening rib 15 is provided for each fastening point, which, like the slot-shaped openings 16 in the cover plate 14 itself, extends perpendicular to the longitudinal central axis of the cover plate 14. In this way, the expansion profile 2 is clamped between the cover plate 14 and the holding plate 6, with the result that, in this embodiment, the cover plate 14 can not accidentally move relative to the expansion profile 2 or detach from it.
  • the side edges 18a and 18b of the holding plate 6 are located (assuming the idle state of the overall construction, ie the state in which no deformation path occurs) at a distance A from the lateral edge strips 3 and 4, respectively, this distance A being of a size corresponds to the length of the entire deformation path for which the expansion profile 2 is designed. This ensures that even with a full one-sided deflection of the expansion profile 2, the retaining plate 6 cannot come into contact laterally against the edge profiles 3 or 4 and that a certain residual gap still remains, which also allows the expansion profile to bulge downwards.
  • the expansion profile is to be removed and reinstalled in the arrangement shown in FIG. 4, it is only necessary to open the fastening screws for the holding plate 6 from below and then the holding plate 6 (which is in one piece or in side by side over the entire length of the carriageway transition separate plates can be carried out - see also the explanations for Fig. 1 -). Thereafter, the expansion profile 2 can be removed or exchanged without problems and the desired other profile inserted, after which the holding plate 6 is then again placed from below and again connected to the cover plate 14 via the fastening screws.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (17)

1. Jonction de tablier pour joints de dilatation de pont ferroviaire, avec un profilé de dilatation (2) s'étendant le long d'un joint du tablier (F) et qui est chaque fois maintenu sur ses zones de bord, des deux côtés du joint de dilatation, au moyen d'un profilé de bordure (3, 4) rigide fixé à un soubassement (21 a, b), et avec un dispositif de soutien soutenant du dessous le profilé de dilatation, caractérisé en ce que, lors du montage, le profilé de dilatation (2) est susceptible d'être introduit par le dessous dans l'espace situé entre les deux profilés de bordure (3, 4), en ce que le dispositif de soutien est réalisé sous la forme d'au moins une plaque de maintien (6; 6a, 6b), là au moins une plaque de maintien (6; 6a, 6b) étant disposée à l'intérieur de l'interstice (S) réalisé entre les soubassements, des deux côtés du joint de tablier, complètement accessible du dessous, en ce que la au moins une plaque de maintien (6; 6a, 6b) est fixée de manière démontable à un élément de soutien (7, 14), et en ce que la face supérieure du profilé de dilatation (2) est recouverte par une tôle de recouvrement (14) appuyant latéralement en haut des profilés de bordure (3, 4).
2. Jonction de tablier selon la revendication 1, caractérisée en ce que la tôle de recouvrement (14) est pourvue d'orifices (16) en forme de fente.
3. Jonction de tablier selon la revendication 1 ou 2, caractérisée en ce que la tôle de recouvrement (14) est réalisée sous forme d'élément de soutien pour la plaque de maintien inférieure (6), la plaque de maintien (6) étant fixée sur la tôle de recouvrement (14) au moyen de vis s'étendant dans le profilé de dilatation (2).
4. Jonction de tablier selon la revendication 3, caractérisée en ce qu'il y a, à l'état monté, un intervalle (A) au moins de la valeur de la course de déformation globale pour laquelle est déterminé le profilé de dilatation (2) entre chaque arête d'extrémité (18a; 18b) de la plaque de maintien (6) et le profilé de bordure correspondant (3, 4).
5. Jonction de tablier selon la revendication 1 ou 2, caractérisée en ce que deux plaques de maintien latérales (6a, 6b) sont prévues, dont chacune est fixée de manière démontable à un élément de soutien (7) en saillie du soubassement (21a, b) correspondant, en direction de l'autre soubassement (21 b, a).
6. Jonction de tablier selon la revendication 5, caractérisée en ce qu'il y a, à l'état monté, entre les arêtes d'extrémité (19a, 19b), tournées l'une vers l'autre, des plaques de maintien (6a, 6b) un intervalle (a) faisant au moins la valeur de 1,5 fois la course de déformation pour laquelle est déterminé le profile de dilatation (2).
7. Jonction de tablier selon la revendication 5 ou 6, pour laquelle chaque profilé de bordure présente en section transversale une nervure latérale (3a, 4a) appuyant sur sa hauteur sur les bords latéraux du profilé de dilatation, ainsi qu'une bande de bordure (3b, 4b) recouvrant depuis la face supérieure la zone de bord correspondante du profilé de dilatation, caractérisée en ce que la tôle de recouvrement (14) appuie des deux côtés de la bordure de joint sur les bandes de bordure (3b, 4b) des profiles de bordure (3, 4) et que les deux éléments de soutien (7) font saillie jusqu'à l'arête d'extrémité inférieure (20), tournée vers le profilé de dilatation (2), de la nervure latérale (3a, 4a) de chaque profilé de bordure (3, 4).
8. Jonction de tablier selon la revendication 7, caractérisée en ce que chaque plaque de maintien (6a, 6b) est vissée à l'élément de soutien (7) dans la zone de la nervure latérale (3a, 4a) du profilé de bordure correspondant (3, 4).
9. Jonction de tablier selon l'une des revendications 5 à 8, caractérisée en ce que les profilés de bordures (3, 4) sont réalisée comme faisant partie des éléments de soutien.
10. Jonction de tablier selon l'une des revendications 5 à 9, caractérisée en ce que des pièces d'écartement (9) disposées à distance l'une de l'autre, s'étendant dans l'intervalle (a) situé entre les arêtes d'extrémités (19a, b), tournées l'une vers l'autre, des deux plaques de maintien (6a, 6b) sont fixées par dessous sur le profilé de dilatation (2) et à l'extrémité desquelles est/sont disposée(s) une ou plusieurs contre-plaques de pression (10) situées des deux côtés de l'intervalle (a), au-dessus des ex- trémiités des plaques de maintien (6a, 6b) et s'étendant sur la longueur du joint de tablier, leur zone d'extrémités latérale appuyant contre la face inférieure des plaques de maintien (6a, 6b), de manière susceptible de se déplacer par rapport à celle-ci, et étant vissée(s) à la tôle de recouvrement (14), en passant à travers les pièces d'écartement (9) et le profilé de dilatation (2).
11. Jonction de tablier selon la revendication 10, caractérisée en ce que les zones d'extrémité, appuyant contre la face inférieure des plaques de maintien (6a, 6b), de la ou des contres plaque(s) de pression (10) sont pourvues d'un revêtement (12) réduisant le frottement.
12. Jonction de tablier selon la revendication 10 ou 11, caractérisée en ce qu'il est prévu comme revêtement (12) réduisant le frottement un revêtement en polyimide ou en polytétrafluoréthylène.
13. Jonction de tablier selon l'une des revendications 10 à 12, caractérisée en ce que les pièces d'écartement (9) sont vulcanisées en surface sous le profilé de dilatation (2).
14. Jonction de tablier selon l'une des revendications 10 à 13, caractérisée en ce qu'à l'état monté, la contre-plaque de pression (10) recouvre chaque plaque de maintien latérale (6a, 6b), au moins de la valeur totale de la course de déformation du profilé de dilatation (2).
15. Jonction de tablier selon l'une des revendications 1 à 14, caractérisée en ce que des nervures de renforcement (15) sont adjointes sur la plaque de recouvrement (14), transversalement par rapport à l'axe longitudinal du joint.
16. Jonction de tablier selon la revendication 15, caractérisée en ce que des nervures de renforcement (15) sont prévues sur tous les points de vissage de vis de fixation, pour les contre-plaques de pression (10) ou pour la ou les plaque(s) de maintien (6; 6a, 6b).
17. Jonction de tablier selon l'une des revendications 1 à 16, caractérisée en ce que chaque plaque de maintien (6; 6a, 6b) se compose de plusieurs sections de plaques individuelles disposées les unes à côté des autres sur la longueur du joint de tablier et fixées indépendamment les unes des autres sur l'élément de soutien (7).
EP86118112A 1986-01-30 1986-12-29 Dispositif de passage pour joints de dilatation dans les tabliers des ponts de chemin de fer Expired EP0231525B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86118112T ATE47441T1 (de) 1986-01-30 1986-12-29 Fahrbahnuebergang fuer dehnfugen bei eisenbahnbruecken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863602845 DE3602845A1 (de) 1986-01-30 1986-01-30 Fahrbahnuebergang fuer dehnfugen bei eisenbahnbruecken
DE3602845 1986-01-30

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EP0231525A1 EP0231525A1 (fr) 1987-08-12
EP0231525B1 true EP0231525B1 (fr) 1989-10-18

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EP86118112A Expired EP0231525B1 (fr) 1986-01-30 1986-12-29 Dispositif de passage pour joints de dilatation dans les tabliers des ponts de chemin de fer

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EP (1) EP0231525B1 (fr)
AT (1) ATE47441T1 (fr)
DE (2) DE3602845A1 (fr)
ES (1) ES2011012B3 (fr)

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KR20030077142A (ko) * 2002-03-25 2003-10-01 박대원 교량용 신축이음 장치
CN108442244A (zh) * 2018-03-19 2018-08-24 重庆交通大学 预埋基座装配更换式伸缩缝构造
CN114561869A (zh) * 2022-03-16 2022-05-31 湖北楚天联发路桥养护有限公司 一种折线型异步双防伸缩缝装置

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GB955933A (en) * 1962-03-19 1964-04-22 Metalastick Ltd Improvements in or relating to roadway and like expansion joints
DE1162863B (de) * 1961-07-19 1964-02-13 Esslingen Maschf Abdeckvorrichtung fuer Dehnungsfugen in Bruecken u. dgl.
US3273473A (en) * 1963-12-05 1966-09-20 David R Black Jr Road expansion joint
BE707457A (fr) * 1967-03-03 1968-04-16
DE2839159C2 (de) * 1978-09-08 1980-05-22 Gumba Gummi Im Bauwesen Gmbh, 8011 Vaterstetten Obergangskonstruktion für Eisenbahnbrücken

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DE3666472D1 (en) 1989-11-23
EP0231525A1 (fr) 1987-08-12
ES2011012B3 (es) 1989-12-16
ATE47441T1 (de) 1989-11-15
DE3602845A1 (de) 1987-08-06
DE3602845C2 (fr) 1989-11-02

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