EP2837742B1 - Anchoring device for the foundations of a ski lift structure, and method for manufacturing such a device - Google Patents
Anchoring device for the foundations of a ski lift structure, and method for manufacturing such a device Download PDFInfo
- Publication number
- EP2837742B1 EP2837742B1 EP14354012.8A EP14354012A EP2837742B1 EP 2837742 B1 EP2837742 B1 EP 2837742B1 EP 14354012 A EP14354012 A EP 14354012A EP 2837742 B1 EP2837742 B1 EP 2837742B1
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- European Patent Office
- Prior art keywords
- stack
- anchoring device
- plates
- prefabricated concrete
- prefabricated
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- 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.)
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- 238000004873 anchoring Methods 0.000 title claims description 81
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 6
- 239000002184 metal Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 230000002787 reinforcement Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 238000009417 prefabrication Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
Definitions
- the invention relates to anchoring means for foundations of a mechanical lift structure, in particular a teleported or telescopic type.
- a lift such as a landing station, a boarding station, or a line tower
- a pit is dug and one or more concrete anchoring device is made to carry the upper part of the structure.
- the upper part comprises, among other things, the traction sheave of the towing cable carrying the vehicles.
- the upper part comprises, inter alia, a pebble beam.
- An object of the invention is to overcome the drawbacks mentioned above, and in particular to provide an anchoring device for mechanical lift structure foundations which is fast to mount while being sufficiently robust and which meets the standards. required.
- Another object of the invention is to provide a method of manufacturing an anchoring device that is quick to perform.
- Yet another object of the invention is to provide a station and a line pylon of a ski lift provided with such an anchoring device.
- an anchoring device for foundations of a mechanical lift structure in particular a teleported or ski lift type, comprising a base intended to be placed on the ground and a metal structure mechanically connected to an upper part of the work and the base.
- the base comprises at least one stack of prefabricated concrete plates.
- an anchoring device which is quick to assemble, and whose mounting steps are less subject to weather conditions.
- prefabricated concrete slabs can be made in the factory and it is no longer necessary to cast the anchoring devices on site. In addition, there is no longer a need to wait for the on-site drying of the base. In particular, the prefabrication stage of the plates can no longer be subjected to bad weather because the plates are made in an area dedicated to the manufacture of concrete parts, such as a factory or a closed room. In addition, it is possible to obtain better control over the manufacture of anchoring devices in order to guarantee greater robustness to the structure. Furthermore, the realization of an anchoring device using prefabricated concrete plates makes it possible to provide a more easily transportable device from the plate manufacturing plant to the assembly site of the structure. Prefabricated concrete slabs may be transported together, if transport permits, or in packages each having a weight less than the plate conveyor limit.
- the device may comprise at least one reinforcing means attached to the metal structure and configured to hold in position the prefabricated concrete plates of at least one stack.
- each reinforcement means comprises at least one threaded rod fixed to the metal structure and passing through the prefabricated concrete plates of the stack to which the reinforcing means is associated.
- At least one prefabricated concrete plate of a stack of the base may comprise a threaded insert for fixing at least one threaded rod to said prefabricated concrete plate.
- each reinforcing means comprises at least one metal collar attached to the metal structure and surrounding the prefabricated concrete plates of the stack to which the reinforcement means is associated.
- the prefabricated concrete plates of the same stack may be identical to each other. Thus one can provide homogeneous elements to manufacture the anchoring devices, and avoid dispersions on the manufacturing quality of the devices.
- the prefabricated concrete plates of each stack can be identical to each other.
- a lift station comprising at least one anchoring device as defined above.
- a lift line pylon comprising at least one anchoring device as defined above.
- an anchoring device for foundations of a mechanical lift structure in particular a teleported or telescopic type.
- the mounting step may comprise depositing a bed of sand on the floor and placing each stack of prefabricated concrete plates on the deposited sand bed.
- the mounting step comprises an embodiment of at least one concrete screed on the floor and a laying of each stack of prefabricated concrete plates on said concrete screed made.
- Station 1 cable car, including chairlift or gondola.
- Station 1 can also be intended for a ski lift or a telecorde (also called fil-neige).
- the station 1 comprises an upper part 2 and a lower part 3 on which the upper part 2 rests.
- the upper part 2 comprises a roof 4, a frame 5 to support the roof 4, and a pulley 6 for driving a cable.
- tractor 7 on which are hung vehicles, such as seats or cabins, for the transport of persons or other.
- Station 1 can be a boarding or disembarking station. We have shown on the figure 1 , an embodiment of a station 1 boarding people.
- the boarding station 1 comprises a motor 8 mounted on the frame 5, to drive the pulley 6, in particular via a drive shaft 9.
- the lower part 3 of the station 1 comprises, in turn, at least one anchoring device 10 to support the upper part 2 of the station 1, and comprises at least one pylon 12.
- Each pylon 12 is mounted between an anchoring device 10 and the frame 5 so as to raise the upper part 2 of the station 1.
- the station 1 comprises an anchoring device 10 and a pylon 12.
- the station 1 may comprise several anchoring devices on which several pylons are respectively based.
- each anchoring device 10 is placed at a predetermined location on the ground delimiting a mounting zone 14.
- the ground may be located in the mountains or in the city.
- the mounting area 14 may be integrated within an open or closed building.
- the mounting zone 14 may comprise a pit 17 comprising one or more stages.
- Each anchoring device 10 can be placed directly on the predetermined location of the ground.
- each anchoring device 10 can be placed directly on the bottom of the pit 17 which then forms the mounting zone 14.
- the predetermined location of the ground can be covered in part by a bed of 20, and each anchoring device 10 is placed on the sand bed 20 which forms the mounting zone 14. also consider replacing the sand bed 20 with a screed made of concrete.
- each concrete screed is scraped.
- a liquid sealing mortar forming the mounting zone 14 and each anchoring device is placed on the sealing mortar produced.
- the sealing mortar makes it possible to improve the physical contact of the anchoring device 10 with the concrete screed.
- the pit 17 can be filled with an embankment, earth or rubble, to a level of the ground 21, shown here in dashed lines.
- the various elements of the anchoring devices 10 of a mechanical lift structure are preferably made in a manufacturing zone distinct from the mounting zone 14, that is to say that the manufacturing zone is located outside the the mounting zone 14.
- the mounting zone 14 may be located in the open air or not, in the mountains or in the city, and may be more or less distant from the manufacturing area.
- the manufacturing zone may include a room that is particularly suitable for producing the parts of the anchoring device 10.
- the room is a closed room in which the parts to be produced are not subjected to the weather.
- Each anchoring device 10 comprises a base 25 and a metal structure 27.
- the base 25 is intended to be placed on the ground.
- the metal structure 27 is mechanically connected to the upper part 2 of the structure and to the base 25.
- the metal structure 27 is mounted on the base 25 and is intended to receive a pylon 12 of the structure.
- the pylon 12 may be a station pylon, as illustrated in FIG. figure 1 , or line.
- the base 25 of each anchoring device 10 comprises at least one stack 28 of several prefabricated concrete plates 29. Each prefabricated plate 29 is preferably made in one piece. Alternatively, each prefabricated plate 29 may comprise a plurality of prefabricated concrete plates 40, as illustrated in FIG. figure 4 .
- a set of several plates 40 form a plate 29 when the plates are assembled at the same level.
- the prefabricated plates 29 of the same stack 28 are made separately, and the base 25 of the anchoring device 10 is made by an assembly of the aforementioned distinct plates 29.
- the assembly of the prefabricated plates 29 of the anchoring device 10 can be carried out in the manufacturing zone, or preferably in the mounting zone 14.
- the prefabricated concrete plates 29 can be transported from the prefabrication zone to the mounting zone 14. Here is meant by transporting an element of the station 1, a displacement of the element of a first zone towards a second distinct zone and in which the integrity of the element is preserved for its reuse in the second zone.
- the base 25 made using a stack of plates makes it possible to modify the positioning of the plates, and therefore of the base 25, before filling the pit 17 of backfill, that is to say, to validate the correct position of the anchoring device 10.
- the base 25 made using a stack of plates makes it possible to modify the positioning of the plates, and therefore of the base 25, before filling the pit 17 of backfill, that is to say, to validate the correct position of the anchoring device 10.
- concrete monobloc anchoring devices are made by casting the concrete on site, once the concrete is poured, it can no longer be modified with accurately the position of the anchoring device.
- Each anchoring device 10 also comprises at least one reinforcing means 30 fastened to the metal structure 27 of the anchoring device 10.
- the reinforcing means 30 make it possible to reinforce the anchoring device 10 subjected in particular to the load of the part superior 2 of the work. More particularly, each reinforcing means 30 of an anchoring device is configured to hold in position the prefabricated concrete plates 29 of at least one stack 28 of the anchoring device 10.
- each reinforcing means 30 of an anchoring device 10 comprises at least one threaded rod 31.
- Each threaded rod 31 is fixed to the metal structure 27 of the anchoring device 10.
- each threaded rod 31 passes through the prefabricated concrete plates of the stack 28 to which the reinforcement means 30 is associated.
- the prefabricated concrete plates 29 of the same stack 28 are provided with orifices, not shown here for the sake of simplification, to allow the threaded rods 31 to pass while the base 25 is being mounted. 10.
- the plates 29 are prefabricated at the factory before being assembled to form the base 25 of the anchoring device 10.
- the prefabricated concrete plates 29 can also include threaded inserts for the passage and fixing of the threaded rods 31.
- each threaded rod 31 passes through the plates 29 of the same stack 28 so that the ends of the threaded rod 31 is are located outside the stack 28. More particularly, the first end of each threaded rod 31 is mechanically fixed to the metal structure 27 of the anchoring device 10.
- the second end of each threaded rod 31 may be bent, or blocked with a nut so as to strengthen the base 25 of the anchoring device 10.
- the second end of each threaded rod 31 may be embedded in the sealing mortar defined above.
- each metal structure 27 of an anchoring device 10 is preferably modular, in other words, the metal structure 27 is made from several separate parts assembled together when mounting the anchoring device 10 in the area. 14.
- each metal structure 27 comprises a base 32 mounted on one or more rails 33, by means of rivets.
- each metal structure 27 also comprises an anchoring system comprising a plurality of anchoring rods 34.
- the anchoring rods 34 are fixed to one end of the base 32, and make it possible to fix a pylon 12 on the base 32. the example shown in the figure 1 the first end of each threaded rod 31 is mechanically fastened to one of the rails 33 of the metal structure 27 of the anchoring device 10.
- each reinforcing means 30 of an anchoring device comprises at least one metal collar 35 fastened to the metal structure 27 of the anchoring device, for example by means of rivets.
- Each collar 35 surrounds the prefabricated concrete plates 29 of a stack 28 of the anchoring device 10.
- the anchoring device 10 comprises two separate stacks 28a and 28b of prefabricated concrete plates 29.
- FIG. 4 the various elements of an anchoring device 10 are schematically represented before mounting the base 25.
- figure 5 the anchoring device 10 described in FIG. figure 4 after the mounting of the base 25.
- the mounting of an anchoring device comprises a prefabrication step in which each prefabricated concrete plate 29 is produced in the manufacturing zone. After the prefabrication step, a transport step of each prefabricated concrete plate 29 is carried out, from the manufacturing area to the mounting area 14. For example, prefabricated concrete plates 29 are transported by truck, by helicopter, or any other motorized means powerful enough to lift and carry at least one prefabricated concrete plate 29. Then, after having transported the prefabricated concrete plates 29 to the mounting zone 14, a mounting step of the anchoring device comprising a mounting of the base 25 by stacking the prefabricated concrete plates 29 on a predetermined location of the The mounting step may comprise, before assembling the prefabricated plates, a step of excavation in which the pit 17 is dug in the ground of the mounting zone 14.
- the mounting step may further comprise a deposition of the sand bed 20, or an embodiment of a concrete screed, with or without mortar, on the bottom of the pit 17.
- the base 25 is mounted, either directly on the ground or the bottom of the pit 17, or on the sand bed 20 previously deposited on the ground or the bottom of the pit 17, either on the concrete screed.
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Description
L'invention est relative aux moyens d'ancrage pour des fondations d'ouvrage de remontée mécanique, notamment téléporté ou du type téléski.The invention relates to anchoring means for foundations of a mechanical lift structure, in particular a teleported or telescopic type.
Actuellement, la construction d'un ouvrage de remontée mécanique, telle une station de débarquement, une station d'embarquement, ou un pylône de ligne, est généralement longue et peut demander plusieurs mois. En outre, la construction étant effectuée en plein air, celle-ci est soumise aux intempéries qui peuvent retarder le montage de l'ouvrage, notamment pendant la période d'hiver. De manière générale, pour monter l'ouvrage, on creuse une fosse et on réalise un, ou plusieurs, dispositif d'ancrage en béton destiné à porter la partie supérieure de l'ouvrage. Lorsque l'ouvrage est une station, la partie supérieure comprend, entre autre, la poulie d'entraînement du câble de traction transportant les véhicules. Lorsque l'ouvrage est un pylône de ligne, la partie supérieure comprend, entre autre, un balancier à galets.Currently, the construction of a lift, such as a landing station, a boarding station, or a line tower, is usually long and may take several months. In addition, the construction being carried out outdoors, it is subjected to weather that can delay the assembly of the structure, especially during the winter period. In general, to mount the structure, a pit is dug and one or more concrete anchoring device is made to carry the upper part of the structure. When the structure is a station, the upper part comprises, among other things, the traction sheave of the towing cable carrying the vehicles. When the structure is a line pylon, the upper part comprises, inter alia, a pebble beam.
On peut citer la demande de brevet français
Un objet de l'invention consiste à pallier les inconvénients cités ci-avant, et en particulier à fournir un dispositif d'ancrage pour des fondations d'ouvrage de remontée mécanique qui soit rapide à monter tout en étant suffisamment robuste et qui remplisse les normes de sécurité exigées.An object of the invention is to overcome the drawbacks mentioned above, and in particular to provide an anchoring device for mechanical lift structure foundations which is fast to mount while being sufficiently robust and which meets the standards. required.
Un autre objet de l'invention est de fournir un procédé de fabrication d'un dispositif d'ancrage qui soit rapide à exécuter.Another object of the invention is to provide a method of manufacturing an anchoring device that is quick to perform.
Encore un autre objet de l'invention est de fournir une station et un pylône de ligne d'une remontée mécanique munis d'un tel dispositif d'ancrage.Yet another object of the invention is to provide a station and a line pylon of a ski lift provided with such an anchoring device.
Selon un aspect de l'invention, il est proposé un dispositif d'ancrage pour des fondations d'ouvrage de remontée mécanique, notamment téléporté ou du type téléski, comprenant une embase destinée à être posée sur le sol et une structure métallique reliée mécaniquement à une partie supérieure de l'ouvrage et à l'embase.According to one aspect of the invention, there is provided an anchoring device for foundations of a mechanical lift structure, in particular a teleported or ski lift type, comprising a base intended to be placed on the ground and a metal structure mechanically connected to an upper part of the work and the base.
L'embase comporte au moins un empilement de plaques préfabriquées en béton.The base comprises at least one stack of prefabricated concrete plates.
Ainsi, on fournit un dispositif d'ancrage qui est rapide à monter, et dont les étapes de montage sont moins soumises aux conditions météorologiques.Thus, there is provided an anchoring device which is quick to assemble, and whose mounting steps are less subject to weather conditions.
En effet, les plaques préfabriquées en béton peuvent être réalisées en usine et il n'est plus nécessaire de couler les dispositifs d'ancrage sur place. En outre, on n'a plus besoin d'attendre le séchage sur place de l'embase. En particulier, l'étape de préfabrication des plaques peut ne plus être soumise aux intempéries car les plaques sont réalisées dans une zone dédiée à la fabrication des pièces en béton, telle une usine ou un local fermé. On peut en outre obtenir un meilleur contrôle de la fabrication des dispositifs d'ancrage pour garantir une meilleure robustesse à l'ouvrage. Par ailleurs, la réalisation d'un dispositif d'ancrage à l'aide de plaques préfabriquées en béton permet de fournir un dispositif plus facilement transportable de l'usine de fabrication des plaques vers le site de montage de l'ouvrage. Les plaques préfabriquées en béton peuvent être acheminées ensemble, si le transport le permet, ou par paquets ayant chacun un poids inférieur à la limite du transporteur de plaques.Indeed, prefabricated concrete slabs can be made in the factory and it is no longer necessary to cast the anchoring devices on site. In addition, there is no longer a need to wait for the on-site drying of the base. In particular, the prefabrication stage of the plates can no longer be subjected to bad weather because the plates are made in an area dedicated to the manufacture of concrete parts, such as a factory or a closed room. In addition, it is possible to obtain better control over the manufacture of anchoring devices in order to guarantee greater robustness to the structure. Furthermore, the realization of an anchoring device using prefabricated concrete plates makes it possible to provide a more easily transportable device from the plate manufacturing plant to the assembly site of the structure. Prefabricated concrete slabs may be transported together, if transport permits, or in packages each having a weight less than the plate conveyor limit.
Le dispositif peut comporter au moins un moyen de renfort fixé à la structure métallique et configuré pour maintenir en position les plaques préfabriquées en béton d'au moins un empilement.The device may comprise at least one reinforcing means attached to the metal structure and configured to hold in position the prefabricated concrete plates of at least one stack.
Selon un mode de réalisation, chaque moyen de renfort comporte au moins une tige filetée fixée à la structure métallique et traversant les plaques préfabriquées en béton de l'empilement auquel le moyen de renfort est associé.According to one embodiment, each reinforcement means comprises at least one threaded rod fixed to the metal structure and passing through the prefabricated concrete plates of the stack to which the reinforcing means is associated.
Au moins une plaque préfabriquée en béton d'un empilement de l'embase peut comporter un insert taraudé pour fixer au moins une tige filetée à ladite plaque préfabriquée en béton.At least one prefabricated concrete plate of a stack of the base may comprise a threaded insert for fixing at least one threaded rod to said prefabricated concrete plate.
Selon un autre mode de réalisation, chaque moyen de renfort comporte au moins un collier métallique fixé à la structure métallique et entourant les plaques préfabriquées en béton de l'empilement auquel le moyen de renfort est associé.According to another embodiment, each reinforcing means comprises at least one metal collar attached to the metal structure and surrounding the prefabricated concrete plates of the stack to which the reinforcement means is associated.
Les plaques préfabriquées en béton d'un même empilement peuvent être identiques entre elles.
Ainsi on peut fournir des éléments homogènes pour fabriquer les dispositifs d'ancrage, et éviter les dispersions sur la qualité de fabrication des dispositifs.The prefabricated concrete plates of the same stack may be identical to each other.
Thus one can provide homogeneous elements to manufacture the anchoring devices, and avoid dispersions on the manufacturing quality of the devices.
Les plaques préfabriquées en béton de chaque empilement peuvent être identiques entre elles.The prefabricated concrete plates of each stack can be identical to each other.
Selon un autre aspect de l'invention, il est proposé une station de remontée mécanique, comprenant au moins un dispositif d'ancrage tel que définit ci-avant.According to another aspect of the invention, there is provided a lift station, comprising at least one anchoring device as defined above.
Selon encore un autre aspect de l'invention, il est proposé un pylône de ligne de remontée mécanique, comprenant au moins un dispositif d'ancrage tel que définit ci-avant.According to yet another aspect of the invention, there is provided a lift line pylon, comprising at least one anchoring device as defined above.
Selon un autre aspect de l'invention, il est proposé un procédé de fabrication d'un dispositif d'ancrage pour des fondations d'ouvrage de remontée mécanique, notamment téléporté ou du type téléski.According to another aspect of the invention, there is provided a method of manufacturing an anchoring device for foundations of a mechanical lift structure, in particular a teleported or telescopic type.
Le procédé comprend :
- une étape de préfabrication dans laquelle on réalise une structure métallique et au moins un empilement de plaques préfabriquées en béton ; et
- une étape de montage du dispositif d'ancrage comprenant une pose de chaque empilement de plaques préfabriquées en béton sur le sol et une fixation de la structure métallique sur chaque empilement de plaques préfabriquées en béton.
- a prefabrication step in which a metal structure and at least one stack of prefabricated concrete plates are produced; and
- a mounting step of the anchoring device comprising a laying of each stack of prefabricated concrete plates on the ground and a fixing the metal structure on each stack of prefabricated concrete slabs.
Selon un mode de mise en oeuvre, l'étape de montage peut comprendre un dépôt d'un lit de sable sur le sol et une pose de chaque empilement de plaques préfabriquées en béton sur le lit de sable déposé.According to one embodiment, the mounting step may comprise depositing a bed of sand on the floor and placing each stack of prefabricated concrete plates on the deposited sand bed.
Selon un autre mode de mise en oeuvre, l'étape de montage comprend une réalisation d'au moins une chape en béton sur le sol et une pose de chaque empilement de plaques préfabriquées en béton sur ladite chape en béton réalisée.According to another embodiment, the mounting step comprises an embodiment of at least one concrete screed on the floor and a laying of each stack of prefabricated concrete plates on said concrete screed made.
D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation et de mise en oeuvre de l'invention donnés à titre d'exemples non limitatifs et représentés aux dessins annexés, dans lesquels :
- la
figure 1 , illustre schématiquement une vue en coupe d'un mode de réalisation d'un dispositif d'ancrage selon l'invention ; - les
figures 2 et 3 , illustrent schématiquement des vues en coupe d'autres modes de réalisation de dispositifs d'ancrage selon l'invention ; - la
figure 4 , illustre de façon schématique une vue éclatée en perspective d'un autre mode de réalisation d'un dispositif d'ancrage ; et - la
figure 5 , illustre de façon schématique une vue en perspective du dispositif d'ancrage de lafigure 4 , après assemblage.
- the
figure 1 , schematically illustrates a sectional view of an embodiment of an anchoring device according to the invention; - the
Figures 2 and 3 , schematically illustrate sectional views of other embodiments of anchoring devices according to the invention; - the
figure 4 , schematically illustrates an exploded perspective view of another embodiment of an anchoring device; and - the
figure 5 , schematically illustrates a perspective view of the anchoring device of thefigure 4 , after assembly.
Sur la
De façon générale, chaque dispositif d'ancrage 10 est posé en un endroit prédéterminé du sol délimitant une zone de montage 14. Le sol peut être situé en montagne ou en ville. Par exemple, la zone de montage 14 peut être intégrée au sein d'un bâtiment ouvert ou fermé. La zone de montage 14 peut comporter une fosse 17 comprenant un ou plusieurs étages. Chaque dispositif d'ancrage 10 peut être posé directement sur l'endroit prédéterminé du sol. Par exemple, chaque dispositif d'ancrage 10 peut être posé directement sur le fond de la fosse 17 qui forme alors la zone de montage 14. Selon un mode de réalisation, l'endroit prédéterminé du sol peut être recouvert en partie par un lit de sable 20, et chaque dispositif d'ancrage 10 est posé sur le lit de sable 20 qui forme la zone de montage 14. On peut aussi envisager de remplacer le lit de sable 20 par une chape réalisée en béton. On peut également réaliser plusieurs chapes en béton, chaque chape en béton étant destinée à recevoir un dispositif d'ancrage 10. Avantageusement, chaque chape en béton est ferraillée. En outre, on peut réaliser, sur la chape en béton, un mortier de scellement liquide formant la zone de montage 14, et on pose chaque dispositif d'ancrage sur le mortier de scellement réalisé. Le mortier de scellement permet d'améliorer le contact physique du dispositif d'ancrage 10 avec la chape en béton. Selon encore un autre mode de réalisation, on peut réaliser une ou plusieurs butées en saillie de la chape en béton, et poser chaque dispositif d'ancrage 10 en appui sur lesdites butées formées. Les butées permettent de maintenir en position chaque dispositif d'ancrage 10 avec la chape en béton. Après avoir posé les dispositif d'ancrages 10 de la station 1, on peut combler la fosse 17 avec un remblai, de terre ou de gravats, jusqu'à un niveau du sol 21, représenté ici en pointillés.In general, each anchoring
Les différents éléments des dispositifs d'ancrage 10 d'un ouvrage de remontée mécanique sont de préférence réalisés dans une zone de fabrication distincte de la zone de montage 14, c'est-à-dire que la zone de fabrication est située en dehors de la zone de montage 14. Par exemple, la zone de montage 14 peut être située à l'air libre ou non, en montagne ou en ville, et peut être plus ou moins éloignée de la zone de fabrication. La zone de fabrication peut comporter un local particulièrement adapté à la réalisation des pièces du dispositif d'ancrage 10. Par exemple, le local est un local fermé dans lequel les pièces à réaliser ne sont pas soumises aux intempéries.The various elements of the
Chaque dispositif d'ancrage 10 comprend une embase 25 et une structure métallique 27. L'embase 25 est destinée à être posée sur le sol. La structure métallique 27 est reliée mécaniquement à la partie supérieure 2 de l'ouvrage et à l'embase 25. En particulier, la structure métallique 27 est montée sur l'embase 25 et elle est destinée à recevoir un pylône 12 de l'ouvrage. En particulier, le pylône 12 peut être un pylône de station, comme illustré à la
Chaque dispositif d'ancrage 10 comporte également au moins un moyen de renfort 30 fixé à la structure métallique 27 du dispositif d'ancrage 10. Les moyens de renfort 30 permettent de renforcer le dispositif d'ancrage 10 soumis notamment à la charge de la partie supérieure 2 de l'ouvrage. Plus particulièrement, chaque moyen de renfort 30 d'un dispositif d'ancrage est configuré pour maintenir en position les plaques préfabriquées en béton 29 d'au moins un empilement 28 du dispositif d'ancrage 10.Each anchoring
Selon un mode de réalisation préféré, chaque moyen de renfort 30 d'un dispositif d'ancrage 10 comporte au moins une tige filetée 31. Chaque tige filetée 31 est fixée à la structure métallique 27 du dispositif d'ancrage 10. En outre, chaque tige filetée 31 traverse les plaques préfabriquées en béton de l'empilement 28 auquel le moyen de renfort 30 est associé. Dans le mode de réalisation préféré, les plaques préfabriquées en béton 29 d'un même empilement 28 sont pourvues d'orifices, non représentés ici à des fins de simplification, pour laisser passer les tiges filetées 31 lors du montage de l'embase 25 du dispositif d'ancrage 10. En effet, dans ce mode de réalisation, les plaques 29 sont préfabriquées en usine avant d'être assemblées pour former l'embase 25 du dispositif d'ancrage 10. Par ailleurs, les plaques préfabriquées en béton 29 peuvent également comprendre des inserts taraudés permettant le passage et la fixation des tiges filetées 31. Lors du montage de l'embase 25, chaque tige filetée 31 traverse les plaques 29 d'un même empilement 28 de sorte que les extrémités de la tige filetée 31 se trouvent à l'extérieur de l'empilement 28. Plus particulièrement, la première extrémité de chaque tige filetée 31 est fixée mécaniquement à la structure métallique 27 du dispositif d'ancrage 10. En outre, la deuxième extrémité de chaque tige filetée 31 peut être tordue, ou bloquée à l'aide d'un écrou de manière à renforcer l'embase 25 du dispositif d'ancrage 10. En particulier, la deuxième extrémité de chaque tige filetée 31 peut être noyée dans le mortier de scellement défini ci-avant.According to a preferred embodiment, each reinforcing means 30 of an
La structure métallique 27 d'un dispositif d'ancrage 10 est de préférence modulaire, en d'autres termes, la structure métallique 27 est réalisée à partir de plusieurs pièces distinctes assemblées entre elles lors du montage du dispositif d'ancrage 10 dans la zone de montage 14. Par exemple, chaque structure métallique 27 comprend un socle 32 monté sur un ou plusieurs rails 33, par l'intermédiaire de rivets. Par ailleurs, chaque structure métallique 27 comporte également un système d'ancrage comprenant plusieurs tiges d'ancrage 34. Les tiges d'ancrage 34 sont fixées à une extrémité du socle 32, et permettent de fixer un pylône 12 sur le socle 32. Dans l'exemple illustré à la
Sur la
Sur la
Sur la
De façon générale, le montage d'un dispositif d'ancrage comporte une étape de préfabrication dans laquelle on réalise chaque plaque préfabriquée en béton 29 dans la zone de fabrication. Après l'étape de préfabrication, on effectue une étape de transport de chaque plaque préfabriquée en béton 29, depuis la zone de fabrication, vers la zone de montage 14. Par exemple, on transporte les plaques préfabriquées en béton 29 par camion, par hélicoptère, ou tout autre moyen motorisé suffisamment puissant pour soulever et transporter au moins une plaque préfabriquée en béton 29. Puis, après avoir transporté les plaques préfabriquées en béton 29 vers la zone de montage 14, on effectue une étape de montage du dispositif d'ancrage comprenant un montage de l'embase 25 par empilement des plaques préfabriquées en béton 29 sur un endroit prédéterminé du sol délimitant la zone de montage 14. L'étape de montage peut comprendre, avant l'assemblage des plaques préfabriquées, une étape de terrassement dans laquelle on creuse la fosse 17 dans le sol de la zone de montage 14. Après l'étape de terrassement, l'étape de montage peut en outre comprendre un dépôt du lit de sable 20, ou une réalisation d'une chape en béton, avec ou sans mortier de scellement, sur le fond de la fosse 17. Lors de l'étape de montage du dispositif d'ancrage 10, on monte l'embase 25, soit directement sur le sol ou le fond de la fosse 17, soit sur le lit de sable 20 déposé au préalable sur le sol ou le fond de la fosse 17, soit sur la chape en béton.In general, the mounting of an anchoring device comprises a prefabrication step in which each prefabricated
Ainsi, on offre un procédé de montage d'une station de téléphérique robuste et qui dépend moins des conditions météorologiques. En effet, le montage des dispositifs d'ancrage de la station ne nécessite plus de couler du béton sur place. Le montage est également accéléré grâce à l'utilisation de moyens de levage qui ne sont pas nécessairement puissants. Le dispositif d'ancrage de station qui vient d'être décrit donne une possibilité de réutilisation du dispositif d'ancrage lorsqu'on déplace le dispositif d'ancrage dans la station, ou lorsqu'on déplace la station elle-même. L'intégralité de l'ouvrage peut être récupérée en fin de vie de l'installation et être réemployée dans une autre installation, ce qui permet de réduire les empreintes laissées sur site.Thus, there is provided a method of mounting a cable car station robust and less dependent on weather conditions. Indeed, the mounting of the anchoring devices of the station no longer requires pouring concrete on site. The assembly is also accelerated through the use of lifting means that are not necessarily powerful. The station anchoring device just described gives a possibility of reuse of the anchoring device when moving the anchoring device in the station, or when moving the station itself. The entire structure can be recovered at the end of the plant's life and reused in another facility, reducing the footprint left on site.
Claims (12)
- Anchoring device for foundations of a ski lift structure, particularly of aerial lift or drag lift type, comprising a base (25) intended to be arranged on the ground and a metal structure (27) mechanically connected to an upper portion (2) of the structure and to the base (25), characterized in that the base (25) comprises at least one stack (28) of prefabricated concrete plates (29).
- Device according to claim 1, comprising at least one reinforcement means (30) fastened to the metal structure (27) and configured to hold in position the prefabricated concrete plates (29) of at least one stack (28).
- Device according to claim 2, wherein each reinforcement means (30) comprises at least one threaded rod (31) fastened to the metal structure (27) and passing through the concrete prefabricated plates (29) of the stack (28) having the reinforcement means (30) associated therewith.
- Device according to claim 3, wherein at least one prefabricated concrete plate (29) of a stack (28) of the base (25) comprises a tapped insert for fastening at least one threaded rod (31) to said prefabricated concrete plate (29).
- Device according to claim 2, wherein each reinforcement means (30) comprises at least one metal collar (35) fastened to the metal structure (27) and surrounding the concrete prefabricated plates (29) of the stack (28) having the reinforcement means (30) associated therewith.
- Device according to any of claims 1 to 5, wherein the prefabricated concrete plates (29) of a same stack (28) are identical to one another.
- Device according to any of claims 1 to 5, wherein the prefabricated concrete plates (29) of each stack (28) are identical to one another.
- Ski lift terminal, comprising at least one anchoring device according to any of claims 1 to 7.
- Ski lift line tower, comprising at least one anchoring device according to any of claims 1 to 7.
- Method of manufacturing an anchoring device according to one of claims 1 to 7 for foundations of a ski lift structure, particularly of aerial lift or drag lift type, characterized in that it comprises:- a prefabrication step wherein a metal structure and at least one stack of prefabricated concrete plates are formed; and- a step of assembling the anchoring device comprising arranging each stack of prefabricated concrete plates on the ground and fastening the metal structure to each stack of prefabricated concrete plates.
- Method according to claim 10, wherein the assembly step comprises depositing a sand bed on the ground and arranging each stack of prefabricated concrete plates on the deposited sand bed.
- Method of claim 10, wherein the assembly step comprises forming at least one concrete screed on the ground and arranging each stack of prefabricated concrete plates on said formed concrete screed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1301930A FR3009725B1 (en) | 2013-08-13 | 2013-08-13 | ANCHORING DEVICE FOR MECHANICAL UPPERWORKING FOUNDATIONS, AND METHOD FOR MANUFACTURING SUCH A DEVICE |
Publications (2)
Publication Number | Publication Date |
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EP2837742A1 EP2837742A1 (en) | 2015-02-18 |
EP2837742B1 true EP2837742B1 (en) | 2016-10-05 |
Family
ID=49474481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14354012.8A Not-in-force EP2837742B1 (en) | 2013-08-13 | 2014-06-05 | Anchoring device for the foundations of a ski lift structure, and method for manufacturing such a device |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2837742B1 (en) |
KR (1) | KR20150020078A (en) |
CN (1) | CN104372804A (en) |
FR (1) | FR3009725B1 (en) |
RU (1) | RU2652050C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108775193B (en) * | 2018-07-03 | 2024-03-26 | 镇江市高等专科学校 | Ground stabilization base is built to line pole |
RU193712U1 (en) * | 2019-08-12 | 2019-11-11 | Закрытое акционерное общество "Русские Башни" | MAST FOUNDATION BASE |
IT202000011074A1 (en) * | 2020-05-14 | 2021-11-14 | C M L S R L | PREFABRICATED PLINTH, RADIO BASE STATION INCLUDING SUCH PLINTH AND METHOD OF ASSEMBLING A PLINTH |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2255200B1 (en) * | 1973-12-20 | 1976-07-23 | Pomagalski Sa | |
SU903487A1 (en) * | 1979-06-14 | 1982-02-07 | Экспериментально-Конструкторское Бюро По Железобетону Министерства Строительства Предприятий Нефтяной И Газовой Промышленности Ссср | Foundation under producing plant |
SE449971B (en) * | 1985-08-15 | 1987-06-01 | Liftbyggarna Ab | LINING TENSION DEVICE FOR LIFTING OR LINING SYSTEMS |
SU1652437A1 (en) * | 1987-12-28 | 1991-05-30 | Запорожский индустриальный институт | Strip foundation |
RU2206665C1 (en) * | 2002-01-11 | 2003-06-20 | Красноярская государственная архитектурно-строительная академия | Spatial foundation platform |
RU45410U1 (en) * | 2004-12-08 | 2005-05-10 | Красноярская государственная архитектурно-строительная академия КрасГАСА | MONOLITHIC SPATIAL FOUNDATION PLATFORM |
RU55388U1 (en) * | 2006-04-24 | 2006-08-10 | Красноярская государственная архитектурно-строительная академия, КрасГАСА | SPATIAL REINFORCED CONCRETE FOUNDATION PLATFORM FOR SMALL-STOREY BUILDINGS FOR CONSTRUCTION IN SPECIAL GROUND CONDITIONS AND SEISMICITY IN ASSEMBLY AND MONOLITHIC OPTIONS |
KR100681734B1 (en) * | 2006-11-14 | 2007-02-16 | 주식회사 진우엔지니어링 | Basics anchor for accessory equipment of a road bridge beam |
CN101255700B (en) * | 2008-01-22 | 2013-01-30 | 赵正义 | Vertical combined novel foundation of mast mechanical equipment |
CN201420268Y (en) * | 2009-05-22 | 2010-03-10 | 国网直流工程建设有限公司四川工程*** | Precast assembly type foundation |
CN201915420U (en) * | 2010-12-02 | 2011-08-03 | 中建七局第二建筑有限公司 | Foundation of temporary gate building |
CN102864795B (en) * | 2012-10-19 | 2014-11-26 | 重庆大学 | Light steel factory post foundation suitable for sedimentation of filled-in ground and construction method |
-
2013
- 2013-08-13 FR FR1301930A patent/FR3009725B1/en active Active
-
2014
- 2014-06-05 EP EP14354012.8A patent/EP2837742B1/en not_active Not-in-force
- 2014-08-07 KR KR20140101850A patent/KR20150020078A/en active IP Right Grant
- 2014-08-12 RU RU2014133017A patent/RU2652050C2/en active
- 2014-08-13 CN CN201410396442.2A patent/CN104372804A/en active Pending
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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FR3009725A1 (en) | 2015-02-20 |
EP2837742A1 (en) | 2015-02-18 |
CN104372804A (en) | 2015-02-25 |
FR3009725B1 (en) | 2015-09-18 |
RU2014133017A (en) | 2016-03-10 |
RU2652050C2 (en) | 2018-04-24 |
KR20150020078A (en) | 2015-02-25 |
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