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EP0434555B1 - Viadukt für Eisenbahngleise - Google Patents

Viadukt für Eisenbahngleise Download PDF

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Publication number
EP0434555B1
EP0434555B1 EP90403667A EP90403667A EP0434555B1 EP 0434555 B1 EP0434555 B1 EP 0434555B1 EP 90403667 A EP90403667 A EP 90403667A EP 90403667 A EP90403667 A EP 90403667A EP 0434555 B1 EP0434555 B1 EP 0434555B1
Authority
EP
European Patent Office
Prior art keywords
cross
rails
ties
viaduct
floor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90403667A
Other languages
English (en)
French (fr)
Other versions
EP0434555A1 (de
Inventor
François Deslaugiers
Jean Huon De Kermadec
Jean-Claude Lizerand
Alain Ratinaud
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.)
Regie Autonome des Transports Parisiens
Soule SA
Original Assignee
Regie Autonome des Transports Parisiens
Soule SA
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 Regie Autonome des Transports Parisiens, Soule SA filed Critical Regie Autonome des Transports Parisiens
Priority to AT90403667T priority Critical patent/ATE96484T1/de
Publication of EP0434555A1 publication Critical patent/EP0434555A1/de
Application granted granted Critical
Publication of EP0434555B1 publication Critical patent/EP0434555B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E01D11/00—Suspension or cable-stayed bridges
    • E01D11/04—Cable-stayed bridges
    • 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
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • 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
    • E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
    • 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
    • E01D2101/30—Metal
    • 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
    • E01D2101/30—Metal
    • E01D2101/32—Metal prestressed

Definitions

  • the invention relates to a viaduct for a railway track allowing the air traffic of vehicles traveling on two rails; it relates more particularly to a new architecture of such a viaduct, fitting particularly well into an urban site.
  • DE-C-733 601 describes a railway bridge structure in which the rails are carried by longitudinal beams of large section and fixed to them to increase their rigidity.
  • the invention mainly proposes a new deck structure making it possible to considerably reduce the mass of the entire viaduct.
  • the invention therefore relates to a viaduct for a railway track, for a vehicle traveling on two rails or similar rolling means, comprising an apron held above the ground by pillars or similar structures, in which said rails form integral part of said deck and in which at least a part of said deck consists of sections of perforated metal structure, characterized in that said rails are subtended and / or suspended and in that elements of this deck adapted and dimensioned for supporting most of the longitudinal compression forces generated by the passage of a vehicle are formed by the rails themselves.
  • Perforated metal structure is understood to mean a structure composed of an assembly of bars or tie rods mainly including rails, sleepers and other similar structural elements which are profiles of small cross section relative to their length. It goes without saying, however, that the definition of "openwork” metal structure only relates to the load-bearing framework and that a viaduct thus designed but “clad” with decorative elements making it lose its openwork appearance, would nevertheless fall within the scope of protection. defined above.
  • the rails are no longer only intended to locally support the weight of the trains and to guide them, but they also constitute important elements of the deck itself, connected to the rest of the infrastructure to absorb certain constraints and in particular longitudinal compression forces generated by the passage of a vehicle or train of vehicles.
  • the elements which work in compression must have much larger sections than those which work essentially in tension.
  • the normal section of a rail may be sufficient to adequately withstand the longitudinal compression forces which arise from the passage of a train.
  • a remarkable characteristic of the invention consists in arranging the deck so that the longitudinal compression forces defined above are essentially supported by the rails themselves.
  • the rest of the infrastructure can be made up of elements of relatively small section and particularly those which only work in traction. These can then be simple tie rods or cables a few centimeters in diameter.
  • the entire deck is considerably reduced since it essentially consists of the assembly of rails, sleepers and tie rods or cables. It therefore acquires a sort of "transparency" which greatly facilitates its integration into an urban landscape at a much lower cost than that of a conventional solution.
  • viaducts meeting the definition of the invention set out above: "subtended” viaducts in which the rails are mounted at the top of a truss beam and where the lower elements of this beams are mainly constituted by tie rods arranged to work in traction and "suspended" viaducts where the rails are carried by sleepers, the latter being themselves attached by cables or tie rods to upper anchor points, for example belonging to the pillars.
  • the viaduct comprises four rails 14, parallel. It consists of metal sections 16 defining an openwork lattice structure, carried between pillars 18 or similar supports.
  • each section forms a sort of individualized beam which can be prefabricated and whose ends rest on pillars. It is conceivable to weld the rails end-to-end once the sections have been laid, leaving the necessary expansion spaces at suitable locations, especially when the sections are arranged in a straight line.
  • All of the metal sections 16 form the apron of the viaduct and, in accordance with the principle of the invention, the rails 14 form an integral part of this apron.
  • Each metal section 16 here forms a sort of self-supporting metal lattice beam, and the rails occupy the upper part of this beam. They are therefore naturally placed to withstand most of the longitudinal compression forces generated in the beam when the vehicles pass.
  • These rails thus integrated into the deck are subtended by tie rods 20 constituting, in association with cross-member elements 22, here triangular and cross-members 26 (at the ends of each section), a triangular network, entirely metallic, by which the rails are subtended. More precisely, each triangular element forming a crosspiece 22 is mounted vertically under the rails.
  • each segment 16 is substantially identical to segments 22a and are fixed to the rails in the same way.
  • the elements 22 and the crosspieces 26 are regularly spaced from each other.
  • the tie rods 20 are, for their part, of appreciably smaller section because they are mounted so as to be practically only subjected to tensile forces.
  • the triangulation is achieved by mounting such a tie between the lower end 25 of each element 22 and the ends of the crosspieces 26 and / or of the neighboring elements 22. In this way, said beam is only made up of rigid and non-deformable triangular meshes.
  • at least some of the tie rods can be replaced by cables.
  • FIGS. 3 to 6 show several possible arrangements for assembling elements 22 and the various tie rods 20 which are attached thereto.
  • the assembly is suitable for the lower end 25 a of an element 22 situated between two other elements 22.
  • Such an assembly may include, for example, plates 28 fixed in the vicinity of said lower end 25 a and the ends of the corresponding tie rods 20 are fixed, preferably welded, to said plates.
  • the segments 22b of the element 22 have a square section and the plates 28 are advantageously welded to the outer faces of these segments, near the end 25 a .
  • For the assembly of a tie rod and the plate one can make a longitudinal slot at the end of the tie rod, engage this split end on the plate and weld.
  • these aligned horizontal tie rods can be in one piece, the cylindrical metal bar defining all of said tie rods being fixed, for example welded to the lower ends of the elements 22.
  • the same arrangement can be applied for any number of lower horizontal tie rods connecting more than three successive elements 22.
  • the mounting of the inclined tie rods 20 no longer uses a plate 28.
  • the two inclined tie rods 20 respectively connecting the same lower end of a cross member to an upper end (at the level of the track) of a neighboring element 22 or at one end of a neighboring cross-member 26, are in one piece forming a bend 34 in the vicinity of said lower end.
  • a fixing such as preferably a weld, is made between these two tie rods 20 and the element 22, at said bend.
  • a support piece 35 is fixed, preferably welded, to the external side wall of each segment 22 b .
  • This part advantageously includes a curved edge corresponding to the curvature of the metal bar constituting the tie rods. The latter is bent at the support piece and welded against said curved edge.
  • the same assembly is of course possible as regards the lower end of an element 22 situated between a similar element 22 and an end crosspiece 26.
  • two inclined tie rods respectively connecting the same upper end of an element 22 to a lower end of a neighboring element 22 may be in one piece forming an elbow in the vicinity of said upper end, that is to say at the level of the track.
  • the fixing is preferably carried out by welding at the elbow of the metal bar, advantageously against the curved edge of a support piece similar to the piece 35.
  • FIG. 6 represents yet another type of connection of the tie rods inclined at an upper end (situated at the level of the track) of an element 22.
  • This fixing uses plates 38 playing the same role as the plates 28, it that is to say ensuring the welded fixing of the end of a corresponding inclined tie rod.
  • Each plate 38 is fixed, preferably welded, to a segment 22b on a face thereof perpendicular to the railroad track.
  • the plate 38 is also preferably welded under the neighboring external rail 14.
  • the exact position of the plate relative to segment 22 b may vary transversely of a few centimeters, from one element 22 to another, to allow crossing without constraint and preferably without contact of the inclined tie rods 20.
  • curved rails 14 For the production of curved metal sections 16, it suffices to provide curved rails 14, with the chosen curvature and tie rods 20 of different lengths and adapted on either side of said section.
  • Figures 7 and 8 show a variant of the application of the principle of the invention to a viaduct structure where the rails 14 are suspended.
  • the deck is essentially constituted by the rails 14 themselves and sleepers 40 regularly spaced along the track and fixed to said rails.
  • the sleepers are themselves connected, at their ends, to tie rods 42, cables or the like, connected to anchor points 43 above the deck.
  • these anchor points 43 are formed by the tops of the pillars 45 or similar structures.
  • Each pillar is here constituted by two pairs of inclined uprights extending on either side of the track and meeting to define the upper anchor points.
  • the rails 14 integrated into the structure of the deck are mounted to absorb the longitudinal compression forces due to the passage of vehicles while the tie rods 42 work in traction.
  • the arrangement of the profiles can be such that they do not work exclusively in traction. You can also combine "subtended” sections and “suspended” sections alternating along the line. It can also be envisaged that subtended sections are integrated into a suspended structure, which is advantageous for long spans between pillars with a reduced number of tie rods or cables mounted according to the configuration in FIG. 7.
  • the deck can advantageously include a longitudinal gangway for maintenance and possibly passenger evacuation. For an apron carrying two traffic lanes, this walkway may advantageously be in the center, between the two lanes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Paving Structures (AREA)
  • Railway Tracks (AREA)
  • Knitting Of Fabric (AREA)

Claims (12)

  1. Viadukt für Eisenbahngleise für Fahrzeuge, die auf zwei Schienen oder analogen Laufeinrichtungen fahren, mit einem Brückenbelag, der von Pfeilern (18, 45) oder analogen Strukturen über Grund gehalten wird, bei dem die Schienen (14) einen integralen Teil des Brückenbelages bilden und bei dem mindestens ein Teil des Brückenbelages von Abschnitten (16) metallischer durchbrochener Struktur gebildet ist, dadurch gekennzeichnet, daß die Schienen abgestützt und/oder aufgehängt sind und daß die zum Aufnehmen des überwiegenden Teils von durch das Passieren eines Fahrzeugs erzeugten Druckspannungen dienenden und dimensionierten Elemente des Brückenbelages von den Schienen (14) selbst gebildet werden.
  2. Viadukt nach Anspruch 1, dadurch gekennzeichnet, daß ein solcher Abschnitt einen Träger bildet, bei dem die Schienen (14) den oberen Teil einnehmen und von Zugstreben (20) und/oder Trossen in einem dreieckigen Netzwerk umspannt sind.
  3. Viadukt nach Anspruch 2, dadurch gekennzeichnet, daß der Abschnitt mindestens ein eine Traverse, vorzugsweise im Dreieck, bildendes Element (22) beinhaltet, das vertikal unter den Schienen befestigt ist, und daß das untere Ende (25, 25a) des Elementes mit im wesentlichen Zug ausübenden Streben (20) oder Trossen mit den Enden benachbarter Querstreben (26) und/oder Traversen bildender Elemente (22) verbunden ist.
  4. Viadukt nach Anspruch 3, dadurch gekennzeichnet, daß ein solches eine Traverse bildendes Element mit mindestens einer Platte (28, 38) versehen ist, die in der Nachbarschaft eines seiner Enden befestigt ist, und daß mindestens ein Ende einer solchen Zugstrebe (20) an der Platte befestigt ist.
  5. Viadukt nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß zwei schrägverlaufende Zugstreben, die jeweils ein und dasselbe untere Ende eines eine Traverse bildenden Elements (22) mit einem oberen Ende eines eine Traverse bildenden benachbarten Elements (22) oder mit einem Ende einer benachbarten Querstrebe (26) verbinden, einstückig ausgeführt sind und einen Bogen (34) in der Nähe des unteren Endes bilden, wobei in der Höhe des Bogens zwischen den Zugstreben und dem Element eine Befestigung, vorzugsweise eine Verschweißung, realisiert ist.
  6. Viadukt nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß mindestens zwei schragverlaufende Zugstreben, die jeweils ein und dasselbe obere Ende eines eine Traverse bildenden Elements (22) mit einem unteren Ende eines eine Traverse bildenden benachbarten Elements (22) verbinden, einstückig ausgebildet sind und einen Bogen in der Nähe des oberen Endes bilden, wobei in der Höhe des Bogens zwischen den Zugstreben und dem eine Traverse bildenden Element eine Befestigung, vorzugsweise eine Verschweißung, realisiert ist.
  7. Viadukt nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß diejenigen horizontalen unteren Zugstreben (20a, 20b), welche die Enden wenigstens dreier benachbarter eine Traverse bildender Elemente (22) verbinden, einstückig sind.
  8. Viadukt nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß wenigstens bestimmte Zugstreben ein mit einem Gewinde versehenes Ende (33) haben, auf das ein Befestigungsstück (32) in Form einer Mutter aufgeschraubt ist, die selbst an dem entsprechenden eine Traverse bildenden Element oder an der entsprechenden Querstrebe befestigt ist.
  9. Viadukt nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß wenigsten ein Teil des Brückenbelages einfach von den Schienen (14) und von an den Schienen befestigten Querstreben (40) gebildet ist und daß die Querstreben selbst über ihre Enden an Zugstreben (42), Trossen o. dgl. angebracht sind, die mit Verankerungspunkten (43) über dem Brückenbelag an den Pfeilern (45) oder analogen Strukturen verbunden sind.
  10. Viadukt nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens ein Teil des Brückenbelages von den genannten Abschnitten metallischer durchbrochener Struktur gebildet ist, die an mit verankerungspunkten (43) über dem Brückenbelag verbundenen Zugstreben (42), Trossen o. dgl. angebracht sind.
  11. Viadukt nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Brückenbelag einen Längs-Laufsteg beinhaltet.
  12. Viadukt nach Anspruch 11, mit zwei parallelen Gleisen, dadurch gekennzeichnet, daß sich der Laufsteg zwischen den beiden Gleisen erstreckt.
EP90403667A 1989-12-22 1990-12-19 Viadukt für Eisenbahngleise Expired - Lifetime EP0434555B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90403667T ATE96484T1 (de) 1989-12-22 1990-12-19 Viadukt fuer eisenbahngleise.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8917117 1989-12-22
FR8917117A FR2656350B1 (fr) 1989-12-22 1989-12-22 Viaduc pour voie de chemin de fer.

Publications (2)

Publication Number Publication Date
EP0434555A1 EP0434555A1 (de) 1991-06-26
EP0434555B1 true EP0434555B1 (de) 1993-10-27

Family

ID=9388913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403667A Expired - Lifetime EP0434555B1 (de) 1989-12-22 1990-12-19 Viadukt für Eisenbahngleise

Country Status (5)

Country Link
EP (1) EP0434555B1 (de)
AT (1) ATE96484T1 (de)
DE (1) DE69004235T2 (de)
ES (1) ES2046749T3 (de)
FR (1) FR2656350B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103194970A (zh) * 2013-04-23 2013-07-10 黄海林 一种带肋frp构件与混凝土组合桥面板

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114464074B (zh) * 2022-03-19 2024-04-16 许艳松 一种用于道路桥梁设计的组合式模型构架

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB189623639A (en) * 1896-10-24 1897-08-28 Gerald Barker Improvements in Elevated or Girder Railways or Tramways.
US2057168A (en) * 1931-06-05 1936-10-13 Joseph B Strauss Bridge
US2160791A (en) * 1936-11-25 1939-05-30 Heidenstam Erik Johan Von Structural system
DE733601C (de) * 1939-02-03 1943-03-30 Maschf Augsburg Nuernberg Ag Zerlegbare Eisenbahnbruecke
DE1062265B (de) * 1957-02-26 1959-07-30 Johannes Doernen Hohlkastenbruecke fuer Schienenbahnen
FR1246810A (fr) * 1959-10-10 1960-11-25 Nouveau modèle de pont suspendu
US4274336A (en) * 1978-08-11 1981-06-23 Hendrik Pater Monorail guideway assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103194970A (zh) * 2013-04-23 2013-07-10 黄海林 一种带肋frp构件与混凝土组合桥面板

Also Published As

Publication number Publication date
FR2656350A1 (fr) 1991-06-28
DE69004235D1 (de) 1993-12-02
DE69004235T2 (de) 1994-05-19
EP0434555A1 (de) 1991-06-26
FR2656350B1 (fr) 1992-07-03
ATE96484T1 (de) 1993-11-15
ES2046749T3 (es) 1994-02-01

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