EP0425364A1 - Station on a railway or other line, situated on a viaduct - Google Patents

Station on a railway or other line, situated on a viaduct Download PDF

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Publication number
EP0425364A1
EP0425364A1 EP90402976A EP90402976A EP0425364A1 EP 0425364 A1 EP0425364 A1 EP 0425364A1 EP 90402976 A EP90402976 A EP 90402976A EP 90402976 A EP90402976 A EP 90402976A EP 0425364 A1 EP0425364 A1 EP 0425364A1
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EP
European Patent Office
Prior art keywords
station
slab
support
viaduct
circulation
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EP90402976A
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German (de)
French (fr)
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EP0425364B1 (en
Inventor
Jean Muller
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Jean Muller International
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Jean Muller International
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Priority to AT90402976T priority Critical patent/ATE94928T1/en
Publication of EP0425364A1 publication Critical patent/EP0425364A1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0023—Details, e.g. foundations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D1/00—Bridges in general
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F1/00—Construction of station or like platforms or refuge islands or like islands in traffic areas, e.g. intersection or filling-station islands; Kerbs specially adapted for islands in traffic areas
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00—Material constitution of bridges
    • E01D2101/20—Concrete, stone or stone-like material
    • E01D2101/24—Concrete
    • E01D2101/26—Concrete reinforced
    • E01D2101/28—Concrete reinforced prestressed

Definitions

  • the present invention relates to a station on a railway or other line, located on a viaduct consisting of a supporting structure which comprises a circulation slab stiffened by longitudinal ribs, vertical or oblique, placed under the slab, the supporting structure resting on supports such as pillars, the station comprising at least one quay element placed along the supporting structure at a level higher than that of the circulation slab.
  • Such viaducts have a supporting structure, which comprises a circulation slab stiffened by longitudinal vertical or oblique ribs placed under this slab. This supporting structure rests on supports such as the pillars of which we have just spoken.
  • the circulation slab in the case of a concrete construction, is stiffened by irons and / or prestressing cables, arranged longitudinally and / or transversely.
  • the longitudinal ribs can be formed by solid webs or by a series of beams arranged in vertical planes or in oblique planes, connecting the slab to a lower vertical beam.
  • the two longitudinal ribs can be connected, at their lower part, by a rigid horizontal part, so as to constitute a substantially closed box, or be simply connected by a number of transverse beams thus constituting a box open at the bottom.
  • stations for fractions of tracks built in viaduct essentially involves the installation of platforms, located along the circulation slab, at least on one side, at a height above this slab sufficient to allow transfer easy for travelers and / or goods.
  • these platforms are supported by pillars which can be independent of the pillars, or masonry supports, supporting the supporting structure, or being connected to it. In all cases, these additional pillars increase, at the location of the station, the footprint in a way which limits the possibilities of setting up such stations.
  • the invention aims to reduce these constraints, by providing a station which has a footprint substantially no greater than that of the track outside the station, and which is more inexpensive to build, in particular by prefabrication.
  • the invention provides a station of the type indicated above, which has the particularity that the quay element is supported by a support piece, preferably flat and vertical as a whole, which, on the one hand , is connected to the slab by irons or transverse cables horizontal or slightly inclined on the horizontal, resistant to traction, and on the other hand, comes to bear on a stop carried by the nearest longitudinal rib.
  • the support piece can be considered as articulated on the edge of the circulation slab, and forms a lever, one end of which bears on the longitudinal rib, while the other end supports the platform element. .
  • the footprint of a station is substantially the same as that of another part of the viaduct, or is only very slightly to it superior, in case it is deemed necessary to increase the section of the pillars, or to reduce their spacing at the station location.
  • the relatively reduced weight of the platform elements can be easily supported by the supporting structure, all the more so since the transverse irons or cables which connect the support piece at the edge of the slab can serve to stiffen it in the direction transverse. It is also possible to provide that these cables extend from one edge to the other of the slab, so as to provide a structure substantially in equilibrium. The thrust due to the weight of the support piece and the platform element is transferred to the lower part of the longitudinal rib, that is to say not far from its support on the support or pillar.
  • the support piece can also carry a light frame supporting a roof.
  • Pillars 1 the spacing of which in the example chosen is 15 meters at the station, support successive elements 2 of supporting structure, consisting of a supporting slab 3, and oblique stiffening elements 4, and horizontal 5 which, with the circulation slab, form a sectional supporting box Trapezoidal cross-section, the largest transverse width of which is approximately half the width of the circulation slab.
  • the structural elements, as well as the pillars, are the same in a common part of the viaduct, and in the station.
  • the platforms of the station are formed of a series of slabs 6, placed on either side of the supporting structure, and at a height of approximately 1.30 meters above the upper surface of the circulation slab .
  • These slabs are rectangular plates, the dimension of which, in the example described, is 3 meters in the longitudinal direction of the station. This distance is obviously arbitrary. It is however preferable that all the tiles have an identical longitudinal dimension, which is a submultiple of the length of the structural elements of the structure. If the station is in a curve, the slabs, or some of them, will be of adapted shape, for example of trapezoidal shape.
  • the slabs are reinforced, on their underside, by longitudinal ribs 7, and transverse ribs 8, the latter being located along the edges of each plate.
  • the quay is maintained by a series of support pieces 10, the general shape of which is roughly triangular, with a horizontal upper side, designed to support the transverse wings 8 of the quay plates 6.
  • Enlarged portions 11 advance transversely relative to the plane of the part 10, and support the end of the longitudinal ribs 7 of the plates 6, beyond their junction with the transverse ribs 8.
  • the opposite end 12 of the part support 10 is designed as a support element, which comes to rest on a stop 13 provided on the supporting structure.
  • the stop 13 is constituted by a projection of the support structure element 2, made of reinforced concrete.
  • the supporting structure elements intended to be part of a station have a small difference with the elements of a common part of the viaduct. It is however possible to provide elements of identical supporting structure for the current part of the viaduct and for the station, the stop being then fixed to the reinforcement part 4 by any known means. This arrangement can be used in particular when it is desired to locate a station in a location where it was not initially planned, or to extend a station.
  • connection method which can be replaced by other connection methods, for example fittings hooked to reinforcing bars of the circulation slab, is able to resist essentially traction, and may possibly allow slight pivoting.
  • the support piece 10 functions as a lever which is articulated at the edge of the circulation slab, and one arm of which bears on the stop 13, while the other lever arm carries the platform slabs.
  • Two opposite support elements, connected by the cables 14, constitute an assembly which introduces very few constraints on the circulation slab, especially when the cables 14 are horizontal and do not generate bending stresses on the slab.
  • each cable 14 can bear on the edge of the slab which is on the opposite side, which creates a transverse prestress in the latter.
  • the cables 14 can also be replaced by fasteners connected to reinforcing bars of the slab, especially if the structure of the quay and its support elements is light.
  • the platform slabs 6 carry masts 15 intended to support on the one hand light roofing elements, and on the other hand, railings or the like. Between the tiles 6 and the support elements 10 are interposed layers 16 of sound absorption and vibration, as is well known.
  • Fence and protection plates 17 are interposed between the quay plates 6 and the circulation slab 3, for security purposes. These plates 17 come to bear on the edge of the support pieces 10.
  • the system described by way of example allows significant prefabrication, and does not require a significant increase in the footprint.
  • the system can be applied to load-bearing structures of various shapes. It is however preferable, in the case where the supporting structure would constitute, with its stiffening elements, a box structure open downwards, to provide transverse abutment elements intended to receive the thrust of the support pieces 12 transmitted by the abutments 13 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Bridges Or Land Bridges (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

Station on a railway or similar line, situated on a viaduct consisting of a carrying structure which comprises a running deck (3) stiffened by longitudinal (4), vertical or oblique ribs placed beneath the deck, the carrying structure resting on supports such as piers (1), the station comprising at least one platform element (6) placed along the carrying structure at a level above that of the running deck. The platform element (6) is supported by at least one sustaining piece (10) which on the one hand is connected to the deck by rods or cables (14) which are transverse, horizontal or slightly inclined to the horizontal, and which resist traction, and on the other hand bears on an abutment (13) carried by the closest longitudinal rib.

Description

La présente invention est relative à une station sur une ligne ferroviaire ou autre, située sur un viaduc constitué d'une structure porteuse qui comprend une dalle de circulation raidie par des nervures longitudinales, verticales ou obliques, placées sous la dalle, la structure porteuse reposant sur des supports tels que des piliers, la station comprenant au moins un élément de quai placé le long de la structure porteuse à un niveau supérieur à celui de la dalle de circulation.The present invention relates to a station on a railway or other line, located on a viaduct consisting of a supporting structure which comprises a circulation slab stiffened by longitudinal ribs, vertical or oblique, placed under the slab, the supporting structure resting on supports such as pillars, the station comprising at least one quay element placed along the supporting structure at a level higher than that of the circulation slab.

L'amélioration de la circulation dans les grandes villes modernes entraîne fréquemment la construction de lignes de métro ou de banlieue disposées de façon dite "aérienne", c'est-à-dire constituant un viaduc porté par des piliers, afin de réduire l'emprise au sol.The improvement of traffic in large modern cities frequently involves the construction of metro or suburban lines arranged in a so-called "aerial", that is to say constituting a viaduct carried by pillars, in order to reduce the footprint.

De tels viaducs comportent une structure porteuse, laquelle comprend une dalle de circulation raidie par des nervures longitudinales verticales ou obliques placées sous cette dalle. Cette structure porteuse repose sur des supports tels que les piliers dont on vient de parler.Such viaducts have a supporting structure, which comprises a circulation slab stiffened by longitudinal vertical or oblique ribs placed under this slab. This supporting structure rests on supports such as the pillars of which we have just spoken.

On utilise pour constituer la structure porteuse, soit une construction métallique, soit une construction en béton formée d'éléments préfabriqués, ou d'éléments formés en place. La dalle de circulation, dans le cas d'une construction en béton, est raidie par des fers et/ou des câbles de précontrainte, disposés longitudinalement et/ou transversalement. Les nervures longitudinales peuvent être constituées par des voiles pleins ou par une série de poutrelles disposées dans des plans verticaux ou dans des plans obliques, reliant la dalle à une poutre verticale inférieure. Les deux nervures longitudinales peuvent être reliées, à leur partie inférieure, par une partie rigide horizontale, de façon à constituer un caisson sensiblement fermé, ou être simplement reliées par un certain nombre de poutres transversales constituant ainsi un caisson ouvert vers le bas.Is used to form the supporting structure, either a metal construction, or a concrete construction formed of prefabricated elements, or elements formed in place. The circulation slab, in the case of a concrete construction, is stiffened by irons and / or prestressing cables, arranged longitudinally and / or transversely. The longitudinal ribs can be formed by solid webs or by a series of beams arranged in vertical planes or in oblique planes, connecting the slab to a lower vertical beam. The two longitudinal ribs can be connected, at their lower part, by a rigid horizontal part, so as to constitute a substantially closed box, or be simply connected by a number of transverse beams thus constituting a box open at the bottom.

La construction des stations pour des fractions de voies construites en viaduc comporte essentiellement la mise en place de quais, situés le long de la dalle de circulation, au moins sur un côté, à une hauteur au-dessus de cette dalle suffisante pour permettre le transfert facile des voyageurs et/ou des marchandises. Selon la technique habituelle, ces quais sont supportés par des piliers qui peuvent être indépendants des piliers, ou des supports en maçonnerie, supportant la structure porteuse, ou lui être reliés. Dans tous les cas, ces piliers supplémentaires augmentent, à l'endroit de la station, l'emprise au sol d'une façon qui limite les possibilités d'implantation de telles stations.The construction of stations for fractions of tracks built in viaduct essentially involves the installation of platforms, located along the circulation slab, at least on one side, at a height above this slab sufficient to allow transfer easy for travelers and / or goods. According to the usual technique, these platforms are supported by pillars which can be independent of the pillars, or masonry supports, supporting the supporting structure, or being connected to it. In all cases, these additional pillars increase, at the location of the station, the footprint in a way which limits the possibilities of setting up such stations.

L'invention a pour but de réduire ces contraintes, en fournissant une station qui ait une emprise au sol sensiblement non supérieure à celle de la voie en dehors de la station, et qui soit de plus peu coûteuse à construire, notamment par préfabrication.The invention aims to reduce these constraints, by providing a station which has a footprint substantially no greater than that of the track outside the station, and which is more inexpensive to build, in particular by prefabrication.

Pour obtenir ce résultat, l'invention fournit une station du type indiqué plus haut, qui présente pour particularité que l'élément de quai est supporté par une pièce de soutien, de préférence plane et verticale dans son ensemble, qui, d'une part, est reliée à la dalle par des fers ou câbles transversaux horizontaux ou peu enclinés sur l'horizontale, résistant à la traction, et d'autre part, vient en appui sur une butée portée par la nervure longitudinale la plus proche.To obtain this result, the invention provides a station of the type indicated above, which has the particularity that the quay element is supported by a support piece, preferably flat and vertical as a whole, which, on the one hand , is connected to the slab by irons or transverse cables horizontal or slightly inclined on the horizontal, resistant to traction, and on the other hand, comes to bear on a stop carried by the nearest longitudinal rib.

En quelque sorte, la pièce de soutien peut être considérée comme articulée sur le bord de la dalle de circulation, et forme un levier, dont une extrémité vient en appui sur la nervure longitudinale, alors que l'autre extrémité supporte l'élément de quai.In a way, the support piece can be considered as articulated on the edge of the circulation slab, and forms a lever, one end of which bears on the longitudinal rib, while the other end supports the platform element. .

On voit tout de suite que l'emprise au sol d'une station est sensiblement la même que celle d'une autre partie du viaduc, ou ne lui est que très légèrement supérieure, au cas où il est jugé nécessaire d'augmenter la section des piliers, ou de réduire leur espacement à l'endroit de la station. Le poids relativement réduit des éléments de quai peut être facilement supporté par la structure porteuse, d'autant plus que les fers ou câbles transversaux qui relient la pièce de soutien au niveau du bord de la dalle peuvent servir à rigidifier celle-ci dans le sens transversal. Il est d'ailleurs possible de prévoir que ces câbles s'étendent d'un bord à l'autre de la dalle, de façon à fournir une structure sensiblement en équilibre. La poussée due au poids de la pièce de soutien et de l'élément de quai se trouve reportée vers la partie inférieure de la nervure longitudinale, c'est-à-dire non loin de son appui sur le support ou pilier.We immediately see that the footprint of a station is substantially the same as that of another part of the viaduct, or is only very slightly to it superior, in case it is deemed necessary to increase the section of the pillars, or to reduce their spacing at the station location. The relatively reduced weight of the platform elements can be easily supported by the supporting structure, all the more so since the transverse irons or cables which connect the support piece at the edge of the slab can serve to stiffen it in the direction transverse. It is also possible to provide that these cables extend from one edge to the other of the slab, so as to provide a structure substantially in equilibrium. The thrust due to the weight of the support piece and the platform element is transferred to the lower part of the longitudinal rib, that is to say not far from its support on the support or pillar.

La pièce de soutien peut également porter une charpente légère supportant une toiture.The support piece can also carry a light frame supporting a roof.

L'invention va maintenant être exposée plus en détail à l'aide d'un exemple pratique, qui est celui d'une station de métro "aérien", illustrée à l'aide des dessins parmi lesquels :

  • Figure 1 est une coupe verticale partielle de la station de métro selon le plan axial de la station avec, du côté gauche, un arrachement dans la zone d'un escalier de desserte, et
  • Figure 2 est une coupe transversale, selon la ligne II-II de la figure 1.
The invention will now be explained in more detail using a practical example, which is that of an "overhead" metro station, illustrated with the aid of the drawings among which:
  • Figure 1 is a partial vertical section of the metro station along the axial plane of the station with, on the left side, a cutaway in the area of a service staircase, and
  • Figure 2 is a cross section along line II-II of Figure 1.

L'exemple décrit se rapporte à une station constituée essentiellement d'éléments préfabriqués en béton armé assemblés sur site, il est cependant évident que l'invention s'applique également à des constructions d'un type différent.The example described relates to a station consisting essentially of prefabricated reinforced concrete elements assembled on site, it is however obvious that the invention also applies to constructions of a different type.

Des piliers 1, dont l'espacement dans l'exemple choisi est de 15 mètres au niveau de la station, supportent des éléments successifs 2 de structure porteuse, constitués d'une dalle porteuse 3, et d'éléments raidisseurs obliques 4, et horizontaux 5 qui forment, avec la dalle de circulation, un caisson porteur à section transversale en forme de trapèze, dont la plus grande largeur transversale est à peu près la moitié de la largeur de la dalle de circulation.Pillars 1, the spacing of which in the example chosen is 15 meters at the station, support successive elements 2 of supporting structure, consisting of a supporting slab 3, and oblique stiffening elements 4, and horizontal 5 which, with the circulation slab, form a sectional supporting box Trapezoidal cross-section, the largest transverse width of which is approximately half the width of the circulation slab.

Les éléments de structure porteuse, de même que les piliers, sont les mêmes dans une partie courante du viaduc, et dans la station.The structural elements, as well as the pillars, are the same in a common part of the viaduct, and in the station.

Les quais de la station sont formés d'une série de dalles 6, placées de part et d'autre de la structure porteuse, et à une hauteur d'approximativement 1,30 mètre au-dessus de la surface supérieure de la dalle de circulation. Ces dalles sont des plaques rectangulaires, dont la dimension, dans l'exemple décrit, est de 3 mètres dans le sens longitudinal de la station. Cette distance est évidemment arbitraire. Il est cependant préférable que toutes les dalles aient une dimension longitudinale identique, qui soit un sous-multiple de la longueur des éléments de structure porteuse. Si la station est en courbe, les dalles, ou certaines d'entre-elles, seront de forme adaptée, par exemple de forme trapézoïdale.The platforms of the station are formed of a series of slabs 6, placed on either side of the supporting structure, and at a height of approximately 1.30 meters above the upper surface of the circulation slab . These slabs are rectangular plates, the dimension of which, in the example described, is 3 meters in the longitudinal direction of the station. This distance is obviously arbitrary. It is however preferable that all the tiles have an identical longitudinal dimension, which is a submultiple of the length of the structural elements of the structure. If the station is in a curve, the slabs, or some of them, will be of adapted shape, for example of trapezoidal shape.

Les dalles sont renforcées, sur leur face inférieure, par des nervures longitudinales 7, et des nervures transversales 8, ces dernières étant situées le long des bords de chaque plaque. Le quai est maintenu par une série de pièces de soutien 10, dont la forme générale est grossièrement triangulaire, avec un côté supérieur horizontal, conçu pour supporter les ailes transversales 8 des plaques 6 de quai. Des parties élargies 11 avancent transversalement par rapport au plan de la pièce 10, et viennent supporter l'extrémité des nervures longitudinales 7 des plaques 6, au-delà de leur jonction avec les nervures transversales 8. L'extrémité opposée 12 de la pièce de soutien 10 est conçue comme un élément d'appui, qui vient reposer sur une butée 13 prévue sur la structure porteuse. Dans l'exemple représenté, la butée 13 est constituée par un saillant de l'élément de structure porteuse 2, en béton armé. De ce fait, les éléments de structure porteuse destinés à faire partie d'une station présentent une petite différence avec les éléments d'une partie courante de viaduc. Il est cependant possible de prévoir des éléments de structure porteuse identique pour la partie courante du viaduc et pour la station, la butée étant alors fixée sur la partie de renfort 4 par tout moyen connu. Cette disposition peut être utilisée notamment lorsqu'on désire implanter une station en un emplacement où elle n'était pas prévue initialement, ou pour rallonger une station.The slabs are reinforced, on their underside, by longitudinal ribs 7, and transverse ribs 8, the latter being located along the edges of each plate. The quay is maintained by a series of support pieces 10, the general shape of which is roughly triangular, with a horizontal upper side, designed to support the transverse wings 8 of the quay plates 6. Enlarged portions 11 advance transversely relative to the plane of the part 10, and support the end of the longitudinal ribs 7 of the plates 6, beyond their junction with the transverse ribs 8. The opposite end 12 of the part support 10 is designed as a support element, which comes to rest on a stop 13 provided on the supporting structure. In the example shown, the stop 13 is constituted by a projection of the support structure element 2, made of reinforced concrete. As a result, the supporting structure elements intended to be part of a station have a small difference with the elements of a common part of the viaduct. It is however possible to provide elements of identical supporting structure for the current part of the viaduct and for the station, the stop being then fixed to the reinforcement part 4 by any known means. This arrangement can be used in particular when it is desired to locate a station in a location where it was not initially planned, or to extend a station.

Au niveau de la dalle de circulation, il est prévu des éléments de liaison de la pièce de soutien 10 avec le bord extérieur de celle-ci. On a représenté en 14 des câbles, du type câbles de précontrainte, disposés horizontalement dans un plan transversal, et qui traversent la pièce de soutien, passent dans l'épaisseur de la dalle de circulation, et traversent la pièce de soutien située du côté opposé. Ce mode de liaison, qui peut être remplacé par d'autres modes de liaison, par exemple des ferrures accrochées à des fers d'armatures de la dalle de circulation, est capable de résister essentiellement à la traction, et peut permettre éventuellement de légers pivotements. On peut donc considérer que la pièce de soutien 10 fonctionne comme un levier qui s'articule au niveau du bord de la dalle de circulation, et dont un bras vient en appui sur la butée 13, cependant que l'autre bras de levier porte les dalles de quai.At the level of the circulation slab, there are provided elements for connecting the support piece 10 with the outer edge thereof. There are shown at 14 cables, of the prestressing cables type, arranged horizontally in a transverse plane, and which pass through the support piece, pass through the thickness of the circulation slab, and pass through the support piece located on the opposite side. . This connection method, which can be replaced by other connection methods, for example fittings hooked to reinforcing bars of the circulation slab, is able to resist essentially traction, and may possibly allow slight pivoting. . It can therefore be considered that the support piece 10 functions as a lever which is articulated at the edge of the circulation slab, and one arm of which bears on the stop 13, while the other lever arm carries the platform slabs.

Deux éléments de soutien opposés, reliés par les câbles 14, constituent un ensemble qui n'introduit que très peu de contraintes sur la dalle de circulation, surtout quand les câbles 14 sont horizontaux et n'engendrent pas de contraintes de flexion sur la dalle.Two opposite support elements, connected by the cables 14, constitute an assembly which introduces very few constraints on the circulation slab, especially when the cables 14 are horizontal and do not generate bending stresses on the slab.

Dans l'exemple décrit, les câbles sont soumis à une précontrainte de tension, qui appuie les pièces de soutien 10 contre la dalle de circulation, et soumet celle-ci à une précontrainte de compression transversale. On peut concevoir d'autres dispositions : par exemple, chaque câble 14 peut prendre appui sur le bord de la dalle qui est du côté opposé, ce qui crée dans celle-ci une précontrainte transversale. Les câbles 14 peuvent aussi être remplacés par des attaches reliées à des fers d'armature de la dalle, surtout si la structure du quai et de ses éléments de soutien est légère.In the example described, the cables are subjected to a prestressing tension, which presses the support pieces 10 against the circulation slab, and subjects it to a transverse compression prestressing. One can conceive of other arrangements: for example, each cable 14 can bear on the edge of the slab which is on the opposite side, which creates a transverse prestress in the latter. The cables 14 can also be replaced by fasteners connected to reinforcing bars of the slab, especially if the structure of the quay and its support elements is light.

Sur leur bord extérieur, les dalles de quai 6 portent des mâts 15 destinés à supporter d'une part des éléments de toiture légers, et d'autre part, des balustrades ou autres. Entre les dalles 6 et les éléments de soutien 10 sont intercalées des couches 16 d'amortissement phonique et de vibrations, ainsi que cela est bien connu. Des plaques de clôture et protection 17 sont intercalées entre les plaques de quai 6 et la dalle de circulation 3, dans un but de sécurité. Ces plaques 17 viennent s'appuyer sur le bord des pièces de soutien 10.On their outer edge, the platform slabs 6 carry masts 15 intended to support on the one hand light roofing elements, and on the other hand, railings or the like. Between the tiles 6 and the support elements 10 are interposed layers 16 of sound absorption and vibration, as is well known. Fence and protection plates 17 are interposed between the quay plates 6 and the circulation slab 3, for security purposes. These plates 17 come to bear on the edge of the support pieces 10.

Comme on le voit, le système décrit à titre d'exemple permet une préfabrication importante, et n'exige pas d'augmentation sensible de l'emprise au sol.As can be seen, the system described by way of example allows significant prefabrication, and does not require a significant increase in the footprint.

De nombreuses variantes sont possibles. Le système peut s'appliquer à des structures porteuses de formes diverses. Il est cependant préférable, au cas où la structure porteuse constituerait, avec ses éléments raidisseurs, une structure en caisson ouverte vers le bas, de prévoir des éléments transversaux de butée destinés à recevoir la poussée des pièces d'appui 12 transmises par les butées 13.Many variations are possible. The system can be applied to load-bearing structures of various shapes. It is however preferable, in the case where the supporting structure would constitute, with its stiffening elements, a box structure open downwards, to provide transverse abutment elements intended to receive the thrust of the support pieces 12 transmitted by the abutments 13 .

Bien entendu, même si l'exemple décrit un ensemble préfabriqué, tout ou partie de l'ensemble peut être moulé sur place. Il est également possible de prévoir qu'une partie plus ou moins importante des éléments, au lieu d'être en béton armé, est de structure métallique, ou autre.Of course, even if the example describes a prefabricated assembly, all or part of the assembly can be molded on site. It is also possible to provide that a more or less significant part of the elements, instead of being made of reinforced concrete, is of metallic structure, or other.

Claims (4)

1. Station sur une ligne ferroviaire ou analogue située sur un viaduc constitué d'une structure porteuse qui comprend une dalle de circulation (3), raidie par des nervures longitudinales (4) verticales ou obliques placées sous la dalle, la structure porteuse reposant sur des supports tels que des piliers (1), la station comprenant au moins un élément de quai (6) placé le long de la structure porteuse à un niveau supérieur à celui de la dalle de circulation,
caractérisée en ce que l'élément de quai (6) est supporté par au moins une pièce de soutien (10) qui, d'une part, est reliée à la dalle par des fers ou câbles (14) transversaux horizontaux ou peu inclinés sur l'horizontale, résistant à la traction, et d'autre part, vient en appui sur une butée (13) portée par la nervure longitudinale la plus proche.1. Station on a railway line or the like situated on a viaduct consisting of a carrying structure which comprises a circulation slab (3), stiffened by longitudinal ribs (4) vertical or oblique placed under the slab, the carrying structure resting on supports such as pillars (1), the station comprising at least one quay element (6) placed along the supporting structure at a level higher than that of the circulation slab,
characterized in that the platform element (6) is supported by at least one support piece (10) which, on the one hand, is connected to the slab by irons or cables (14) transverse horizontal or slightly inclined on the horizontal, resistant to traction, and on the other hand, comes to bear on a stop (13) carried by the nearest longitudinal rib. 2. Station selon la revendication 1, caractérisée en ce qu'il est prévu des éléments de quai sous forme de dalles (6) horizontales, et des pièces de soutien (10) en forme de plaques verticales, dans des plans transversaux, chaque pièce de soutien étant commune à deux dalles de quai adjacentes.2. Station according to claim 1, characterized in that platform elements are provided in the form of horizontal slabs (6), and support pieces (10) in the form of vertical plates, in transverse planes, each piece support being common to two adjacent platform slabs. 3. Station selon l'une des revendications 1 ou 2, dans laquelle la structure porteuse est formée d'éléments successifs préfabriqués, caractérisée en ce que les éléments de structure porteuse sont les mêmes sur une partie courante du viaduc et dans une station, à l'exception éventuellement des butées destinées à coopérer avec les pièces de soutien.3. Station according to one of claims 1 or 2, in which the supporting structure is formed of successive prefabricated elements, characterized in that the supporting structure elements are the same on a running part of the viaduct and in a station, at the possible exception of the stops intended to cooperate with the support parts. 4. Station selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les pièces de soutien (10) sont maintenues en appui contre la dalle de circulation (3) par des câbles (14) qui sont mis en tension et exercent une précontrainte de compression transversale sur ladite dalle de circulation.4. Station according to any one of claims 1 to 3, characterized in that the support pieces (10) are held in abutment against the circulation slab (3) by cables (14) which are tensioned and exert a transverse compression preload on said circulation slab.
EP90402976A 1989-10-24 1990-10-23 Station on a railway or other line, situated on a viaduct Expired - Lifetime EP0425364B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90402976T ATE94928T1 (en) 1989-10-24 1990-10-23 STATION FOR A RAILWAY OR OTHER RAILWAY ON A VIADUCT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8913911 1989-10-24
FR8913911A FR2653459B1 (en) 1989-10-24 1989-10-24 STATION ON A RAILWAY LINE OR OTHER LOCATED ON A VIADUCT.

Publications (2)

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EP0425364A1 true EP0425364A1 (en) 1991-05-02
EP0425364B1 EP0425364B1 (en) 1993-09-22

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EP (1) EP0425364B1 (en)
AT (1) ATE94928T1 (en)
DE (1) DE69003507T2 (en)
FR (1) FR2653459B1 (en)

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CN109610350A (en) * 2018-12-29 2019-04-12 北京工业大学 A kind of ruggedized construction of prestressed concrete box girder
CN111636295A (en) * 2020-05-28 2020-09-08 浙江士高环境建设工程有限公司 Viaduct structure and construction process thereof

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FR2972464A1 (en) * 2011-03-11 2012-09-14 Systra Delimitation element for delimiting traffic lane of e.g. train, has U-shaped structure comprising lower horizontal wall, and lower structural element carried by wall, where element and U-shaped structure are formed from single piece
CN109610350A (en) * 2018-12-29 2019-04-12 北京工业大学 A kind of ruggedized construction of prestressed concrete box girder
CN111636295A (en) * 2020-05-28 2020-09-08 浙江士高环境建设工程有限公司 Viaduct structure and construction process thereof

Also Published As

Publication number Publication date
DE69003507T2 (en) 1994-05-11
FR2653459A1 (en) 1991-04-26
ATE94928T1 (en) 1993-10-15
EP0425364B1 (en) 1993-09-22
FR2653459B1 (en) 1992-01-17
US5119731A (en) 1992-06-09
DE69003507D1 (en) 1993-10-28

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