EP1310594B1 - Method of building a railway on a concrete slab and temporary tie plate for carrying out said method - Google Patents
Method of building a railway on a concrete slab and temporary tie plate for carrying out said method Download PDFInfo
- Publication number
- EP1310594B1 EP1310594B1 EP02292596A EP02292596A EP1310594B1 EP 1310594 B1 EP1310594 B1 EP 1310594B1 EP 02292596 A EP02292596 A EP 02292596A EP 02292596 A EP02292596 A EP 02292596A EP 1310594 B1 EP1310594 B1 EP 1310594B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tie
- plate
- temporary
- concrete slab
- rails
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 14
- 238000004873 anchoring Methods 0.000 claims description 11
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 208000031968 Cadaver Diseases 0.000 description 1
- 206010013647 Drowning Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/44—Fastening the rail on the tie-plate
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/005—Making of concrete parts of the track in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
- E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
- E01B9/40—Tie-plates for flat-bottom rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4981—Utilizing transitory attached element or associated separate material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
Definitions
- the invention relates to a method for the construction of a railway and in particular to a method of constructing a railway on a concrete slab in which the concrete slab is poured around anchoring elements allowing the fixing of saddles supporting the rails of the railway.
- the invention also relates to a temporary saddle used in the method according to the invention.
- an object of the present invention is to provide a method for the realization of a railway that allows accurate positioning, with good perpendicularity, anchoring elements relative to the saddle during the casting of concrete and which makes it possible to obtain anchoring elements that are independent of the saddles when tightening the nuts after the setting of the concrete.
- the subject of the invention is a method of constructing a railway track on a concrete slab in which the concrete slab is cast around anchoring elements allowing the attachment of saddles supporting the rails of the track. railway.
- the temporary saddles comprise guide bushes engaging in apertures adapted to the base of the final saddle, the guide bushes comprising an adjusted bore receiving an anchoring element consisting of a threaded rod, part of which protrudes from the underside of the temporary saddle.
- spacers are arranged inside the openings of the final saddles or around the threaded rods, these spacers ensuring the precise positioning of the saddles on the slab concrete comprising a body having a cylindrical portion, inserted into the openings of the final seat, whose outer diameter is adjusted to the diameter of the opening of the final seat, the cylindrical portion of the body comprising an inner bore adjusted to the diameter of the threaded rod.
- the rails are suspended above the concrete slab to be cast by means of a gantry, the latter making it possible to precisely bring the rails to a desired position.
- the invention also relates to a temporary saddle intended to be disposed under a definitive saddle supporting a railroad track during the construction of a railway on a concrete slab by the construction method described above, characterized in that it comprises guide bushes inserted into suitable openings in the final saddle, the guide bushes comprising an adjusted bore receiving an anchoring element of the final saddle consisting of a rod, a part of which protrudes from the underside of the seat; temporary saddle to be embedded in the concrete slab.
- the Figures 1 and 2 represent a temporary saddle 1 according to a particular embodiment of the invention.
- the temporary seat 1 comprises a body 11 formed by a rectangular metal plate having multiple vents 10 opening on the lower and upper faces of the metal plate 11.
- the plate 11 also has two openings 12 disposed at diagonally opposite ends of the plate 11. These openings 12 receive guide bushes 13 having an outside diameter adjusted to the diameter of the opening 12 and an internal bore adapted to receive a controlled fit. a threaded rod 4 not shown on the Figures 1 and 2 .
- the guide bushes 13 comprise in their lower part a shoulder 20 which is inserted into a cavity adapted to the underside of the plate 11 when the bushes are introduced into the openings 12 by the underside of the temporary seat 1.
- Spreaders 14, consisting of cylindrical washers, are arranged on the upper face of the plate 11 around the guide bushes 13, these spacers 14 having an internal bore slightly larger than the outside diameter of the guide bushes 13.
- the outer periphery of the plate 11 has a step 15 whose edge is beveled towards the underside of the plate 11, the upper edge of the step 15 located on the longitudinal side of the plate 11 being inclined relative to the plane from the underside of the plate 11.
- the temporary seat 1 also has extraction handles 16 facilitating the gripping of the temporary seat 1.
- a gantry 6 is used to bring two rails 2 above the location where a concrete slab 3 is to be cast. These two rails 2 are suspended by clamps 61 connected to a motorized beam 62, the latter sliding vertically on the gantry 6 to precisely bring the two rails 2 to the desired location.
- the two rails 2 are connected to saddles 5 by fasteners 9, these saddles 5 conventionally comprising a base 51 consisting of a substantially solid metal plate intended to rest on the concrete slab 3 via a sole 20, shown on the figure 7 , of resilient material and advantageously electrically insulating.
- a temporary seat 1 according to that described above is placed under each of the saddles 5 so that the guide bushes 13 supported by the temporary seat 1 engage in fitted openings 52 of the base 51, the underside of the seat.
- base 51 being supported on the top of the spacers 14 supported by the temporary seat 1, a space then resulting between the lower face of the base 51 and the upper face of the plate 11 of the temporary seat 1.
- the seat 1 is held in this position under the saddle 5 by the anchoring elements of the saddle 5 on the concrete slab 3 threaded rods 4 inserted into the guide bushes 13 receiving in their upper part locking nuts 18, these threaded rods 4 having a diameter slightly smaller than the diameter of the bore of the guide sleeve 13 and having a local nip 41 on which a washer 17 resting on the underside of the guide bushings 13.
- the threaded rods 4 arranged in this way have a portion largely projecting from the underside of the temporary stool 1 intended to be embedded in the concrete.
- the underside of the temporary stool 1 Prior to the pouring of the concrete slab 3, the underside of the temporary stool 1 is coated with a formwork oil and the beam 62 of the gantry 6 is controlled so as to bring the underside of the temporary stool 1 to the place where will be placed the support surfaces of the saddle 5 for supporting the rails 2 of the track to build.
- the nuts 18 present on the threaded rods 4 are removed and the rails 2 pre-assembled on their saddles 5 are raised by means of the gantry 6.
- the temporary saddles 1 accompanied by the bushes guide 13 and spacers 14 are then removed, the extraction of the temporary stool 1 being facilitated by the presence of the handles 16.
- Electrically insulating spacers 19, shown on the figure 7 are then disposed inside the openings 52 of the saddle 5, these insulating spacers 19 having a body having a cylindrical portion, inserted into the openings 52, the inner and outer diameters are identical to the inner and outer diameters of the sleeves of guides 13, ie respectively adjusted to the diameter openings 52 and threaded rods 4.
- These spacers 19 also have a flange at the top on which the clamping nuts rest, a spring, not shown in the figures, possibly being interposed between the nut and the flange. of the spacer 19, the height of the spacer 19 being such that it does not protrude from the underside of the saddle 5 when it is inserted into the openings 52.
- the rails 2 pre-assembled on their saddles 5 are then descended, after having inserted the sole 20 of resilient material under the lower face of the base 51, this sole 20 having holes in line with the threaded rods.
- An additional soleplate 21, which is simply electrically insulating, is advantageously placed under the previous soleplate 20, the assembly being brought into contact with the concrete slab 3 by passing the threaded rods 4 projecting from the concrete slab 3 through the soles 20. , 21 and bores insulating spacers 19 disposed in the openings 52 of the saddle 5. Due to the presence of these insulating spacers 19 to radial dimensions similar to those of the guide bushes 13 during this operation, the saddles 5 are then positioned automatically and precisely to their final location.
- the saddles 5 are then immobilized in a conventional manner using nuts 18 screwed onto the threaded rods 4, the latter bearing on the upper face of the saddle 5 via the collar of the insulating spacer 19.
Abstract
Description
L'invention se rapporte à un procédé pour la construction d'une voie ferrée et en particulier à un procédé de construction d'une voie ferrée sur une dalle de béton dans lequel la dalle de béton est coulée autour d'éléments d'ancrage permettant la fixation de selles supportant les rails de la voie ferrée. L'invention concerne également une selle provisoire utilisée dans le procédé selon l'invention.The invention relates to a method for the construction of a railway and in particular to a method of constructing a railway on a concrete slab in which the concrete slab is poured around anchoring elements allowing the fixing of saddles supporting the rails of the railway. The invention also relates to a temporary saddle used in the method according to the invention.
Il est connu actuellement pour les métros ou les tramways de procéder à la pose d'une voie ferrée sur une dalle de béton en amenant des rails directement prémontés sur des selles à l'endroit où la voie doit être posée, les rails étant maintenus en suspension dans leur position finale au moyen d'un portique avec les selles fixées au rail par des attaches. Une dalle de béton est ensuite coulée sous les rails jusqu'à hauteur des selles, ces dernières supportant des éléments d'ancrage constitués de tiges filetées traversant les selles et présentant une partie inférieure se trouvant noyée dans la dalle de béton. Une fois la prise du béton réalisée, les selles sont immobilisées définitivement sur la dalle de béton en serrant des écrous sur les tiges filetées, ces écrous venant prendre appui sur la face supérieure des selles.It is currently known for metros or trams to proceed with the laying of a railway on a concrete slab by bringing rails directly pre-assembled on saddles where the track is to be laid, the rails being maintained in suspension in their final position by means of a portico with the saddles fixed to the rail by fasteners. A concrete slab is then cast under the rails to the height of the saddles, the latter supporting anchoring elements consisting of threaded rods passing through the saddle and having a lower portion being embedded in the concrete slab. Once the setting concrete realized, the stool is permanently immobilized on the concrete slab by tightening nuts on the threaded rods, these nuts coming to bear on the upper face of the stool.
Dans un tel procédé de construction, il est nécessaire que les tiges filetées soient maintenus parfaitement perpendiculairement à la selle lors de la coulée du béton pour assurer un bon appui de la selle lors du serrage ultérieur des écrous sur les tiges filetées. Mais il est également nécessaire que les tiges filetées ne soient pas rendues rigidement solidaires de la selle afin que le serrage des écrous, après la prise du béton, provoque une mise sous tension de la partie des tiges filetées noyée dans le béton permettant d'obtenir une bonne tenue des tiges filetées dans la dalle de béton.In such a method of construction, it is necessary that the threaded rods are held perfectly perpendicular to the saddle during casting of the concrete to ensure a good support of the saddle during subsequent tightening of the nuts on the threaded rods. But it is also necessary that the threaded rods are not made rigidly secured to the saddle so that the tightening of the nuts, after the setting of the concrete, causes tensioning of the portion of the threaded rods embedded in the concrete to obtain good resistance of the threaded rods in the concrete slab.
Pour résoudre ce problème, il est connu actuellement d'utiliser des pièces élastiques ou des pièces fusibles qui maintiennent les tiges filetées sur la selle pendant la coulée du béton et qui permettent un déplacement des tiges filetées par rapport à la selle lors du serrage des écrous.To solve this problem, it is currently known to use elastic parts or fusible parts that hold the threaded rods on the saddle during the pouring of the concrete and that allow movement of the threaded rods relative to the saddle when tightening the nuts. .
Toutefois, de telles pièces élastiques ou pièces fusibles présentent l'inconvénient de ne pas assurer une bonne perpendicularité des tiges filetées sur la selle ce qui conduit à un mauvais appui des selles lors du serrage ultérieur des écrous.However, such elastic parts or fusible parts have the disadvantage of not ensuring a good perpendicularity of the threaded rods on the saddle which leads to poor support of the saddles during subsequent tightening nuts.
Aussi, un but de la présente invention est de proposer un procédé pour la réalisation d'une voie ferrée qui permette un positionnement précis, avec une bonne perpendicularité, d'éléments d'ancrage par rapport à la selle lors de la coulée du béton et qui permette d'obtenir des éléments d'ancrage qui soient indépendants des selles lors du serrage des écrous après la prise du béton.Also, an object of the present invention is to provide a method for the realization of a railway that allows accurate positioning, with good perpendicularity, anchoring elements relative to the saddle during the casting of concrete and which makes it possible to obtain anchoring elements that are independent of the saddles when tightening the nuts after the setting of the concrete.
A cet effet, l'invention a pour objet un procédé de construction d'une voie ferrée sur une dalle de béton dans lequel la dalle de béton est coulée autour d'éléments d'ancrage permettant la fixation de selles supportant les rails de la voie ferrée.To this end, the subject of the invention is a method of constructing a railway track on a concrete slab in which the concrete slab is cast around anchoring elements allowing the attachment of saddles supporting the rails of the track. railway.
Selon l'invention, le procédé est caractérisé en ce qu'il comporte les étapes suivantes :
- maintien en suspension des rails prémontés sur leurs selles définitives au-dessus de l'endroit où la dalle de béton doit être coulée, chaque selle définitives comportant une embase sous laquelle est disposée une selle provisoire assurant le guidage précis des éléments d'ancrage de la selle définitive,
- réglage de la position des rails de manière à amener précisément la face inférieure des selles provisoires à endroit où devront reposer les selles définitives supportant les rails,
- coulage de la dalle de béton jusqu'à hauteur des selles provisoires,
- soulèvement des rails et extraction des selles provisoires,
- positionnement précis des rails prémontés sur leurs selles sur la dalle de béton et fixation des selles définitives sur les éléments d'ancrage.
- keeping the pre-assembled rails in suspension on their final saddles above the place where the concrete slab is to be poured, each definitive saddle comprising a base under which is disposed a temporary saddle providing precise guidance of the anchoring elements of the final saddle,
- adjusting the position of the rails so as to precisely bring the underside of the temporary stool to where the final stools supporting the rails will have to rest,
- pouring the concrete slab up to the height of the temporary stool,
- lifting of rails and extraction of temporary stools,
- precise positioning of the pre-mounted rails on their saddles on the concrete slab and fixing of the final stools on the anchoring elements.
Selon une autre caractéristique de l'invention, les selles provisoires comportent des douilles de guidages s'engageant dans des ouvertures adaptées de l'embase de la selle définitive, les douilles de guidage comportant un alésage ajusté recevant un élément d'ancrage constitué d'une tige filetée dont une partie déborde de la face inférieure de la selle provisoire.According to another characteristic of the invention, the temporary saddles comprise guide bushes engaging in apertures adapted to the base of the final saddle, the guide bushes comprising an adjusted bore receiving an anchoring element consisting of a threaded rod, part of which protrudes from the underside of the temporary saddle.
Selon encore une autre caractéristique de l'invention, suite à l'extraction des selles provisoires, des entretoises sont disposées à l'intérieur des ouvertures des selles définitives ou bien autour des tiges filetées, ces entretoises assurant le positionnement précis des selles sur la dalle de béton en comportant un corps présentant une partie cylindrique, s'insérant dans les ouvertures de la selle définitive, dont le diamètre extérieur est ajusté au diamètre de l'ouverture de la selle définitive, la partie cylindrique du corps comprenant un alésage intérieur ajusté au diamètre de la tige filetée.According to yet another characteristic of the invention, following the extraction of the temporary saddles, spacers are arranged inside the openings of the final saddles or around the threaded rods, these spacers ensuring the precise positioning of the saddles on the slab concrete comprising a body having a cylindrical portion, inserted into the openings of the final seat, whose outer diameter is adjusted to the diameter of the opening of the final seat, the cylindrical portion of the body comprising an inner bore adjusted to the diameter of the threaded rod.
Selon encore une autre caractéristique de l'invention, les rails sont suspendus au-dessus de la dalle de béton à couler au moyen d'un portique, ce dernier permettant d'amener précisément les rails dans une position désirée.According to yet another characteristic of the invention, the rails are suspended above the concrete slab to be cast by means of a gantry, the latter making it possible to precisely bring the rails to a desired position.
L'invention concerne également une selle provisoire destinée à être disposée sous une selle définitive supportant un rail de voie ferrée lors de la construction d'une voie ferrée sur une dalle de béton par le procédé de construction précédemment décrit, caractérisé en ce qu'elle comporte des douilles de guidage s'insérant dans des ouvertures adaptées de la selle définitive, les douilles de guidage comportant un alésage ajusté recevant un élément d'ancrage de la selle définitive constitué d'une tige dont une partie déborde de la face inférieure de la selle provisoire pour être noyée dans la dalle de béton.The invention also relates to a temporary saddle intended to be disposed under a definitive saddle supporting a railroad track during the construction of a railway on a concrete slab by the construction method described above, characterized in that it comprises guide bushes inserted into suitable openings in the final saddle, the guide bushes comprising an adjusted bore receiving an anchoring element of the final saddle consisting of a rod, a part of which protrudes from the underside of the seat; temporary saddle to be embedded in the concrete slab.
Selon des modes particuliers de réalisation, la selle provisoire selon l'invention peut comprendre l'une ou plusieurs des caractéristiques suivantes prises isolément ou selon toutes les combinaisons techniquement possibles :
- la selle provisoire comporte un corps constitué d'une plaque présentant des ouvertures recevant les douilles de guidage ;
- les douilles de guidage comportent un épaulement qui vient s'insérer dans une cavité complémentaire réalisée dans la plaque en bordure des ouvertures, l'épaulement constituant une butée axiale ;
- les tiges comportent une partie supérieure filetée débordant des douilles de guidage et recevant des écrous assurant la retenue verticale de la tige sur la selle ;
- la tige comporte un pincement local sous la partie filetée, ce pincement local servant de butée de coulissement à la douille de guidage.
- the temporary saddle comprises a body consisting of a plate having openings receiving the guide bushes;
- the guide bushes comprise a shoulder which is inserted into a complementary cavity made in the plate at the edges of the openings, the shoulder constituting an axial abutment;
- the rods comprise a threaded upper portion projecting from the guide bushes and receiving nuts ensuring the vertical retention of the rod on the saddle;
- the rod has a local pinch under the threaded portion, this local pinch serving as a sliding stop at the guide sleeve.
On comprendra mieux les buts, aspects et avantages de la présente invention, d'après la description donnée ci-après d'un mode particulier de réalisation de l'invention, présenté à titre d'exemple non limitatif, en se référant aux dessins annexés, dans lesquels :
- la
figure 1 est une vue de dessus, d'une selle provisoire selon un mode particulier de réalisation de l'invention ; - la
figure 2 est une vue de côté de la selle provisoire de lafigure 1 ; - la
figure 3 est une vue de détail représentant une coupe de la selle provisoire selon la ligne III-III de lafigure 1 ; - la
figure 4 est une vue d'ensemble d'un dispositif pour la mise en oeuvre du procédé de construction selon l'invention ; - la
figure 5 est une vue agrandie d'un rail de lafigure 4 équipé d'une selle provisoire dans un mode particulier de réalisation du procédé de construction selon l'invention ; - la
figure 6 est une vue de détail des moyens d'assemblage de la selle provisoire sur la selle supportant le rail selon une coupe similaire à celle de lafigure 3 ; - la
figure 7 est une vue de côté, avec une coupe partielle, de la selle définitive après son montage sur la dalle de béton.
- the
figure 1 is a top view of a temporary saddle according to a particular embodiment of the invention; - the
figure 2 is a side view of the temporary saddle of thefigure 1 ; - the
figure 3 is a detail view showing a section of the provisional saddle along line III-III of thefigure 1 ; - the
figure 4 is an overview of a device for carrying out the construction method according to the invention; - the
figure 5 is an enlarged view of a rail of thefigure 4 equipped with a temporary saddle in a particular embodiment of the construction method according to the invention; - the
figure 6 is a detail view of the means of assembly of the temporary saddle on the saddle supporting the rail in a section similar to that of thefigure 3 ; - the
figure 7 is a side view, with a partial section, of the final saddle after its mounting on the concrete slab.
Pour faciliter la lecture du dessin, seuls les éléments nécessaires à la compréhension de l'invention ont été représentés. Les mêmes éléments portent les mêmes références d'une figure à l'autre.To facilitate the reading of the drawing, only the elements necessary for the understanding of the invention have been represented. The same elements bear the same references from one figure to another.
Les
La plaque 11 comporte également deux ouvertures 12 disposées à des extrémités diagonalement opposées de la plaque 11. Ces ouvertures 12 reçoivent des douilles de guidage 13 présentant un diamètre extérieur ajusté au diamètre de l'ouverture 12 et un alésage intérieur adapté pour recevoir de manière ajusté une tige filetée 4 non représentée sur les
Conformément à la
Des écarteurs 14, constitués de rondelles cylindriques, sont disposés sur la face supérieure de la plaque 11 autour des douilles de guidage 13, ces écarteurs 14 comportant un alésage intérieur légèrement supérieur au diamètre extérieur des douilles de guidage 13.
La périphérie extérieure de la plaque 11 présente une marche 15 dont le bord est biseauté en direction de la face inférieure de la plaque 11, l'arête supérieure de la marche 15 située sur le côté longitudinal de la plaque 11 étant inclinée par rapport au plan de la face inférieure de la plaque 11.The outer periphery of the
La selle provisoire 1 comporte également des poignées d'extraction 16 facilitant la préhension de la selle provisoire 1.The
L'utilisation de la selle provisoire 1 précédemment décrite et le procédé de construction selon l'invention vont maintenant être décrits en se référant aux
Conformément à la
Une selle provisoire 1 conforme à celle décrite précédemment est disposée sous chacune des selles 5 de telle sorte que les douilles de guidage 13 supportées par la selle provisoire 1 s'engagent dans des ouvertures ajustées 52 de l'embase 51, la face inférieure de l'embase 51 venant prendre appui sur le sommet des écarteurs 14 supportés par la selle provisoire 1, un espace résultant alors entre la face inférieure de l'embase 51 et la face supérieure de la plaque 11 de la selle provisoire 1. La selle provisoire 1 est maintenue dans cette position sous la selle 5 par les éléments d'ancrage de la selle 5 sur la dalle de béton 3 des tiges filetées 4 insérées dans les douilles de guidage 13 recevant dans leur partie supérieure des écrous 18 de blocage, ces tiges filetées 4 comportant un diamètre légèrement inférieur au diamètre de l'alésage de la douille de guidage 13 et présentant un pincement local 41 sur lequel repose une rondelle 17 prenant appui sur la face inférieure des douilles de guidage 13. Les tiges filetées 4 ainsi disposées comportent une partie débordant largement de la face inférieure des selles provisoires 1 destinée à être noyée dans le béton.A
Préalablement à la coulée de la dalle de béton 3, la face inférieure des selles provisoires 1 est enduite d'une huile de décoffrage et la poutre 62 du portique 6 est pilotée de manière à amener la face inférieure des selles provisoires 1 à l'endroit où devront être placées les surfaces d'appui des selles 5 destinés à supporter les rails 2 de la voie à construire.Prior to the pouring of the
Une dalle de béton 3, représentée en trait mixte sur la
Après un temps de séchage permettant la prise de la dalle de béton 3, les écrous 18 présents sur les tiges filetés 4 sont retirés et les rails 2 prémontés sur leurs selles 5 sont soulevés au moyen du portique 6. Les selles provisoires 1 accompagnées des douilles de guidage 13 et des écarteurs 14 sont alors retirés, l'extraction des selles provisoires 1 étant facilitée par la présence des poignées 16.After a drying time allowing the setting of the
Des entretoises isolantes électriquement 19, représentées sur la
Les rails 2 prémontés sur leurs selles 5 sont ensuite redescendus, après avoir inséré la semelle 20 en matériau résilient sous la face inférieure de l'embase 51, cette semelle 20 possédant des trous au droit des tiges filetées. Une semelle supplémentaire 21, simplement électriquement isolante, est avantageusement disposée sous la précédente semelle 20, l'ensemble étant amené au contact de la dalle de béton 3 en faisant passer les tiges filetées 4 débordant de la dalle de béton 3 au travers des semelles 20, 21 et des alésages des entretoises isolantes 19 disposées dans les ouvertures 52 des selles 5. Du fait de la présence de ces entretoises isolantes 19 aux dimensions radiales similaires à celles des douilles de guidage 13 lors de cette opération, les selles 5 sont alors positionnées automatiquement et précisément à leur emplacement définitif.The
Les selles 5 sont ensuite immobilisées de manière classique à l'aide d'écrous 18 vissés sur les tiges filetées 4, ces derniers prenant appui sur la face supérieure de la selle 5 par l'intermédiaire de la collerette de l'entretoise isolante 19.The
Un tel procédé de construction, par l'utilisation de selles provisoires conformes à l'invention, permet d'obtenir un positionnement précis des tiges filetées constituant les ancrages des selles et ceci avec une très bonne perpendicularité grâce à l'excellent guidage réalisé par les douilles de guidage. De plus, la mise en place des entretoises isolantes de gabarit équivalent aux douilles de guidage, après le retrait des selles provisoires, assure un positionnement précis des selles sur la dalle de béton sans procédure de réglage supplémentaire.Such a method of construction, by the use of temporary saddles according to the invention, makes it possible to obtain precise positioning of the threaded rods constituting the saddle anchorages and this with a very good perpendicularity thanks to the excellent guidance provided by the guide sleeves. In addition, the placement of insulating spacers gauge equivalent to the guide bushes, after removal of the temporary stool, ensures accurate positioning of the saddle on the concrete slab without additional adjustment procedure.
Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques.Of course, the invention is not limited to the embodiment described and illustrated which has been given by way of example. Modifications remain possible, particularly from the point of view of the constitution of the various elements or by substitution technical equivalents.
Claims (8)
- A method of construction of a railway on a concrete slab (3) in which the concrete slab (3) is poured around anchorage members (4) permitting the fixing of tie-plates (5) supporting the rails (2) of the railway, characterized in that it comprises the following steps:- suspending temporary rails (2), pre-mounted on their tie-plates (5), above the point where the concrete slab (3) is to be poured, each tie-plate (5) including a base (51) beneath which is arranged a temporary tie-plate (1) including guide bushes (13) engaging in suitable openings (52) of the base (51), the guide bushes (13) having an adjusted bore receiving an anchorage member constituted by a threaded rod (4), part of which protrudes from the lower face of the temporary tie-plate (1),- adjusting the position of the rails (2) so as to bring the lower face of the temporary tie-plates (1) precisely to the point where the tie-plates (5) supporting the rails (2) are to rest,- pouring the concrete slab (3) up to the height of the temporary tie-plates (1),- lifting the rails (2) and withdrawing the temporary tie-plates (1),- accurate installation of the rails (2), pre-mounted on their tie-plates (5), on the concrete slab (3) and fixing the tie-plates (5) on the anchorage members (4).
- A method of construction of a railway according to claim 1, characterized in that, following the withdrawal of the temporary tie-plates (1), spacers (19) are arranged inside the openings (52) of the tie-plates (5) or around the threaded rods (4), the spacers (19) ensuring accurate positioning of the tie-plates (5) on the concrete slab (3) by including a body having a cylindrical portion fitting into the openings (52) and having an outside diameter adjusted to the diameter of the opening (52), said cylindrical portion comprising an inner bore adjusted to the diameter of the threaded rod (4).
- A method of construction of a railway according to either claim 1 or claim 2, characterized in that said rails (2) are suspended above the slab (3) to be poured by means of a gantry (6), this latter making it possible to bring the rails (2) precisely into a desired position.
- A temporary tie-plate (1) intended to be arranged beneath a tie-plate (5) supporting a railway rail (2) during the construction of a railway on a concrete slab (3) by a method according to any one of claims 1 to 3, said temporary tie-plate (1) being placed beneath the tie-plate (5) during the pouring of the concrete slab (3) then withdrawn after hardening of the concrete slab (3), characterized in that it includes guide bushes (13) fitting into suitable openings (52) of the tie-plate (5), said guide bushes (13) having an adjusted bore receiving an anchorage member (4) for anchoring the tie-plate (5) and constituted by a rod, one part of which protrudes from the lower face of the temporary tie-plate (1) in order to be embedded in the concrete slab (3).
- A temporary tie-plate according to claim 4, characterized in that it includes a body constituted by a plate (11) having openings (12) receiving the guide bushes (13).
- A temporary tie-plate according to claim 5, characterized in that the guide bushes (13) include a shoulder (20) which fits into a complementary cavity provided in the plate (11) alongside the openings (12), said shoulder (20) constituting an axial abutment.
- A temporary tie-plate according to either claim 5 or claim 6, characterized in that said rods (4) include an upper, threaded portion protruding from the guide bushes (13) and receiving nuts (18) ensuring the vertical retention of said rod (4) on the tie-plate (5).
- A temporary tie-plate according to claim 7, characterized in that, beneath the upper, threaded portion, said rod (4) includes a local pinchpoint (41) acting as a sliding abutment for the guide bush (13).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0114400 | 2001-11-07 | ||
FR0114400A FR2831897B1 (en) | 2001-11-07 | 2001-11-07 | PROCESS FOR CONSTRUCTING A RAILWAY ON A CONCRETE SLAB AND PROVISIONAL SADDLE FOR THE IMPLEMENTATION OF THIS PROCESS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1310594A1 EP1310594A1 (en) | 2003-05-14 |
EP1310594B1 true EP1310594B1 (en) | 2008-03-12 |
Family
ID=8869149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02292596A Expired - Lifetime EP1310594B1 (en) | 2001-11-07 | 2002-10-21 | Method of building a railway on a concrete slab and temporary tie plate for carrying out said method |
Country Status (16)
Country | Link |
---|---|
US (1) | US6954974B2 (en) |
EP (1) | EP1310594B1 (en) |
JP (1) | JP4116862B2 (en) |
KR (1) | KR100923829B1 (en) |
AT (1) | ATE389063T1 (en) |
AU (1) | AU2002301663B2 (en) |
BR (1) | BR0204613A (en) |
CA (1) | CA2410923C (en) |
DE (1) | DE60225522T2 (en) |
DK (1) | DK1310594T3 (en) |
ES (1) | ES2299552T3 (en) |
FR (1) | FR2831897B1 (en) |
HK (1) | HK1057772A1 (en) |
MX (1) | MXPA02010918A (en) |
PT (1) | PT1310594E (en) |
TW (1) | TWI281527B (en) |
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WO2017202062A1 (en) * | 2016-05-26 | 2017-11-30 | 于俭海 | System and method for adjusting height and direction after railway foundation subsidence |
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DE102009041848A1 (en) * | 2009-09-18 | 2011-03-24 | Vossloh-Werke Gmbh | System for securing a rail to a solid surface and fastening a rail |
DE202009014434U1 (en) * | 2009-09-18 | 2010-02-11 | Vossloh-Werke Gmbh | Shim for fixing a rail to a solid surface and fixing a rail |
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CN103147370B (en) * | 2013-03-29 | 2014-11-26 | 中铁一局集团有限公司 | Device and method for replacing track slab of slab ballastless track |
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PE20200235A1 (en) | 2017-05-08 | 2020-02-03 | Sumitomo Chemical Co | PRODUCTION METHOD FOR 1-AMINO CYCLOPROPANE CARBOXYL ACID ANHYDRATE |
BR112019022833B1 (en) | 2017-05-08 | 2022-12-20 | Sumitomo Chemical Company, Limited | PRODUCTION METHOD FOR 1-AMINO CYCLOPROPANE CARBOXYL ACID NON-HYDRATE |
CN107217550A (en) * | 2017-07-10 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | A kind of truss bars concrete folding plate, non-fragment orbit and construction method |
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-
2001
- 2001-11-07 FR FR0114400A patent/FR2831897B1/en not_active Expired - Fee Related
-
2002
- 2002-10-21 EP EP02292596A patent/EP1310594B1/en not_active Expired - Lifetime
- 2002-10-21 DE DE60225522T patent/DE60225522T2/en not_active Expired - Lifetime
- 2002-10-21 ES ES02292596T patent/ES2299552T3/en not_active Expired - Lifetime
- 2002-10-21 PT PT02292596T patent/PT1310594E/en unknown
- 2002-10-21 AT AT02292596T patent/ATE389063T1/en not_active IP Right Cessation
- 2002-10-21 DK DK02292596T patent/DK1310594T3/en active
- 2002-10-24 US US10/278,981 patent/US6954974B2/en not_active Expired - Lifetime
- 2002-10-28 AU AU2002301663A patent/AU2002301663B2/en not_active Ceased
- 2002-11-01 TW TW091132431A patent/TWI281527B/en not_active IP Right Cessation
- 2002-11-04 CA CA002410923A patent/CA2410923C/en not_active Expired - Fee Related
- 2002-11-04 KR KR1020020067701A patent/KR100923829B1/en not_active IP Right Cessation
- 2002-11-05 JP JP2002320768A patent/JP4116862B2/en not_active Expired - Fee Related
- 2002-11-06 MX MXPA02010918A patent/MXPA02010918A/en active IP Right Grant
- 2002-11-06 BR BR0204613-0A patent/BR0204613A/en not_active Application Discontinuation
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2003
- 2003-11-14 HK HK03108332A patent/HK1057772A1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017202062A1 (en) * | 2016-05-26 | 2017-11-30 | 于俭海 | System and method for adjusting height and direction after railway foundation subsidence |
Also Published As
Publication number | Publication date |
---|---|
CA2410923A1 (en) | 2003-05-07 |
ATE389063T1 (en) | 2008-03-15 |
TWI281527B (en) | 2007-05-21 |
BR0204613A (en) | 2003-09-16 |
EP1310594A1 (en) | 2003-05-14 |
MXPA02010918A (en) | 2004-07-16 |
DK1310594T3 (en) | 2008-06-09 |
US20030085294A1 (en) | 2003-05-08 |
DE60225522D1 (en) | 2008-04-24 |
CA2410923C (en) | 2009-04-07 |
FR2831897A1 (en) | 2003-05-09 |
TW200300193A (en) | 2003-05-16 |
US6954974B2 (en) | 2005-10-18 |
PT1310594E (en) | 2008-06-23 |
KR20030038405A (en) | 2003-05-16 |
DE60225522T2 (en) | 2009-04-02 |
KR100923829B1 (en) | 2009-10-27 |
AU2002301663B2 (en) | 2007-10-18 |
ES2299552T3 (en) | 2008-06-01 |
FR2831897B1 (en) | 2004-05-28 |
JP2003184008A (en) | 2003-07-03 |
JP4116862B2 (en) | 2008-07-09 |
HK1057772A1 (en) | 2004-04-16 |
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