EP0647738A1 - Suspension device for insulation of railwaytrack foundations - Google Patents

Suspension device for insulation of railwaytrack foundations Download PDF

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Publication number
EP0647738A1
EP0647738A1 EP93402474A EP93402474A EP0647738A1 EP 0647738 A1 EP0647738 A1 EP 0647738A1 EP 93402474 A EP93402474 A EP 93402474A EP 93402474 A EP93402474 A EP 93402474A EP 0647738 A1 EP0647738 A1 EP 0647738A1
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EP
European Patent Office
Prior art keywords
foundations
foundation
elastic
railwaytrack
insulation
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Granted
Application number
EP93402474A
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German (de)
French (fr)
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EP0647738B1 (en
Inventor
Alain Serge Charles Lacroix
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Individual
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Priority to DE1993631932 priority Critical patent/DE69331932T2/en
Priority to EP19930402474 priority patent/EP0647738B1/en
Publication of EP0647738A1 publication Critical patent/EP0647738A1/en
Application granted granted Critical
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/003—Arrangement of tracks on bridges or in tunnels
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • 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
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete
    • 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
    • E01B2204/12—Floating rails or sleepers
    • 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
    • E01B2204/13—Dowels for slabs, sleepers or rail-fixings

Definitions

  • the present invention relates to a device allowing the implementation of reinforced concrete slabs of great length, poured on site and lifted, after drying, by the combined action of boxes with helical springs and hydraulic jacks, through reservations previously encased.
  • the present method which retains the advantages linked to the use of helical springs, allows, by the use of hydraulic cylinders, the lifting of heavy loads.
  • the absence of adjusting screws, in the lower part, in the present invention guarantees the resumption of the horizontal forces generated by the curves of the track.
  • the hydraulic device makes it possible to vary the characteristics of the suspension according to a possible evolution of the loads.
  • the device of the present invention therefore consists of a reservation 1 integrated in the slab 2 during the pouring of the concrete, the primary slab 3 serving as formwork. Anchors provided on the reservations 4 make it possible to secure these with the concrete and its reinforcement.
  • the spring box 5 is introduced into the reservation and rotated by 60 ° so that the clover 6 performs its role as a support plate.
  • the cylinder 7 is, in turn, introduced and locked in the reservation to ensure the lifting of the slab by pressure on the spring.
  • the 3 screws 8 are then screwed until contact with the upper support plate 9 of the spring. The operation is progressive and can be repeated up to the desired lifting height.
  • the cylinder is then released from its hydraulic pressure and unlocked from the reservation.
  • the 3 cleats prohibit any horizontal sliding of the upper part of the spring.
  • Lid is put in place with a suitable seal .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Railway Tracks (AREA)

Abstract

Device making it possible to employ elastic foundations of railway networks, intended to filter out vibrational pollution caused by the passage of trains or subway trains in a built-up area. The invention relates to long concrete slabs, resting on coil springs combined with shock-absorbers on which the railway tracks are installed. These long slabs are poured in situ and lifted, after curing, onto their elastic supports under the action of hydraulic jacks. <IMAGE>

Description

Lorsque les nuisances vibratoires et acoustiques, générées par le trafic ferroviaire, sont jugées inacceptables pour la traversée aérienne ou souterraine d'une zone d'habitation, il est possible, lors de la conception des voies de chemins de fer, de désolidariser globalement les fondations de celles-ci et filtrer ainsi efficacement les trépidations.When the vibratory and acoustic nuisances generated by rail traffic are deemed unacceptable for the aerial or underground crossing of a residential area, it is possible, when designing railways, to globally separate the foundations of these and thus effectively filter the vibrations.

La présente invention concerne un dispositif permettant la mise en oeuvre de dalles béton arme de grande longueur, coulées sur place et levées, après séchage, par l'action combinée de boîtes à ressorts hélicoïdaux et de vérins hydrauliques, au travers de reservations préalablement embétonnées.The present invention relates to a device allowing the implementation of reinforced concrete slabs of great length, poured on site and lifted, after drying, by the combined action of boxes with helical springs and hydraulic jacks, through reservations previously encased.

La technique antérieure a la présente invention pour la mise en oeuvre de telles fondations consiste à couler le béton sur des plaques ou des éléments en matières de synthèse aux caractéristiques élastiques limitées et mal connues. Cette technique ne permet pas d'obtenir des fréquences propres d'installation suffisamment basses pour garantir un bon filtrage. En outre, lors de la mise en oeuvre, des ponts rigides se créent entre dalle primaire et dalle suspendue. Ces points durs favorisent la transmission solidienne.The technique prior to the present invention for the implementation of such foundations consists in pouring concrete onto plates or elements made of synthetic materials with limited and poorly understood elastic characteristics. This technique does not make it possible to obtain sufficiently low natural installation frequencies to guarantee good filtering. In addition, during installation, rigid bridges are created between the primary slab and the suspended slab. These hard points favor solidary transmission.

Par ailleurs, les boîtes à ressorts intégrables, à vis de réglage, disponibles actuellement sur le marché, ne permettent pas, jusqu'à ce jour, le levage et la reprise des efforts horizontaux des fondations de voies ferrées.Furthermore, the integrated spring boxes, with adjusting screws, currently available on the market, do not, to date, allow the lifting and resumption of horizontal forces of the foundations of railways.

Le présent procédé, qui conserve les avantages liés à l'utilisation de ressorts hélicoïdaux, permet, par la mise en oeuvre de vérins hydrauliques, le levage de charges lourdes. L'absence de vis de réglage, en partie basse, dans la présente invention garantit la reprise des efforts horizontaux générés par les courbes de la voie.The present method, which retains the advantages linked to the use of helical springs, allows, by the use of hydraulic cylinders, the lifting of heavy loads. The absence of adjusting screws, in the lower part, in the present invention guarantees the resumption of the horizontal forces generated by the curves of the track.

La présence d'amortisseurs visqueux combinés avec les ressorts complètent l'efficacité de la suspension lors du passage des convois.The presence of viscous dampers combined with the springs complete the efficiency of the suspension when passing convoys.

Une fois l'opération de levage et de réglage de la fondation terminée. les vérins hydrauliques sont écartés et, comme dans le cas d'un plancher flottant sur boîtes à ressorts, la fondation de la voie ferrée est totalement désolidarisée de la dalle primaire.Once the lifting and setting operation of the foundation is complete. the hydraulic cylinders are separated and, as in the case of a floating floor on spring boxes, the foundation of the railroad is completely detached from the primary slab.

Le dispositif hydraulique permet de faire varier les caractéristiques de la suspension en fonction d'une éventuelle évolution des charges.The hydraulic device makes it possible to vary the characteristics of the suspension according to a possible evolution of the loads.

Le choix des ressorts et des amortisseurs et leur répartition permet de reprendre les charges statiques (fondation béton) et dynamiques (passage des convois) en fonction du trace de la voie. En particulier, lors du passage de la zone non-isolée à la zone isolée, les appuis seront concentrés pour augmenter la raideur de la fondation et permettre un passage progressif en voies suspendues.The choice of springs and shock absorbers and their distribution makes it possible to take up static (concrete foundation) and dynamic (passage of convoys) loads depending on the track. In particular, when moving from the non-isolated area to the isolated area, the supports will be concentrated to increase the stiffness of the foundation and allow a gradual passage in suspended tracks.

Les boîtes à ressort destinées à la suspension des fondations de voies ferrées sont constituées :

  • d'une réservation avec ancrages, embétonnée lors de la coulée et protégée contre la corrosion,
  • d'un noyau constitué par un ressort protégé et ses plaques d'appui inférieures et supérieures, et d'un éventuel amortisseur,
  • d'un tréfle équipé de 3 vis de réglage assurant le rôle de verrou et permettant le réglage en hauteur de l'appui,
  • d'un outillage hydraulique dont la mise en oeuvre est limitée aux opérations de levage et de réglage,
  • d'un couvercle assurant l'étanchéité après dépose du vérin.
  • La figure 1 représente une coupe de principe d'une voie suspendue.
  • La figure 2 représente la vue longitudinale correspondante.
  • La figure 3 représente une coupe de boîte à ressort avec son amortisseur.
  • La figure 4 représente la boîte à ressort introduite dans la réservation.
  • La figure 5 représente la mise en oeuvre du vérin pour le levage progressif de la fondation de la voie ferrée.
  • La figure 6 représente la boîte à ressort après dépose du vérin et fermeture du couvercle.
The spring boxes intended for the suspension of railway foundations are made up of:
  • a reservation with anchors, encased during pouring and protected against corrosion,
  • a core constituted by a protected spring and its lower and upper bearing plates, and a possible shock absorber,
  • a trefoil equipped with 3 adjustment screws ensuring the role of a bolt and allowing the height adjustment of the support
  • hydraulic tools, the implementation of which is limited to lifting and adjusting operations,
  • a cover ensuring sealing after removal of the jack.
  • Figure 1 shows a principle section of a suspended track.
  • Figure 2 shows the corresponding longitudinal view.
  • Figure 3 shows a section of a spring box with its shock absorber.
  • Figure 4 shows the spring box introduced in the reservation.
  • FIG. 5 represents the implementation of the jack for the progressive lifting of the foundation of the railroad track.
  • Figure 6 shows the spring box after removing the cylinder and closing the cover.

Le dispositif de la présente invention est donc constitué d'une réservation ① intégrée dans la dalle ② lors de la coulée du béton, la dalle primaire ③ servant de coffrage. Des ancrages prévus sur les réservations ④ permettent de solidariser celles-ci avec le béton et son armature.The device of the present invention therefore consists of a reservation ① integrated in the slab ② during the pouring of the concrete, the primary slab ③ serving as formwork. Anchors provided on the reservations ④ make it possible to secure these with the concrete and its reinforcement.

Après séchage de la dalle, la boîte à ressort ⑤ est introduite dans la réservation et tournée de 60° pour que le trèfle ⑥ assure son rôle de plaque d'appui.After the slab has dried, the spring box ⑤ is introduced into the reservation and rotated by 60 ° so that the clover ⑥ performs its role as a support plate.

Le vérin ⑦ est, à son tour, introduit et verrouillé dans la réservation pour assurer le levage de la dalle par pression sur le ressort. Les 3 vis ⑧ sont alors vissées jusqu'au contact sur la plaque d'appui supérieure ⑨ du ressort. L'opération est progressive et peut être renouvellée jusqu'à la hauteur de levage souhaitée.The cylinder ⑦ is, in turn, introduced and locked in the reservation to ensure the lifting of the slab by pressure on the spring. The 3 screws ⑧ are then screwed until contact with the upper support plate ⑨ of the spring. The operation is progressive and can be repeated up to the desired lifting height.

Le vérin est ensuite libéré de sa pression hydraulique et déverrouillé de la réservation. Les 3 taquets

Figure imgb0001
interdisent tout glissement horizontal de la partie supérieure du ressort.The cylinder is then released from its hydraulic pressure and unlocked from the reservation. The 3 cleats
Figure imgb0001
prohibit any horizontal sliding of the upper part of the spring.

Le couvercle

Figure imgb0002
est mis en place avec un joint d'étanchéité adapté
Figure imgb0003
.Lid
Figure imgb0002
is put in place with a suitable seal
Figure imgb0003
.

Claims (5)

Dispositif pour la mise en oeuvre de fondations élastiques pour voies ferrées, caractérisé en ce qu'il est constitué d'appuis ponctuels, capables de permettre le levage et le réglage de la fondation.Device for the implementation of elastic foundations for railways, characterized in that it consists of point supports, capable of allowing the lifting and adjustment of the foundation. Dispositif selon la revendication 1) caractérisé en ce qu'il peut reprendre les efforts horizontaux provoqués par le passage des convois dans les courbes.Device according to claim 1) characterized in that it can take up the horizontal forces caused by the passage of the convoys in the curves. Dispositif selon la revendication 1) caractérisé en ce qu'il peut être combiné avec un amortisseur visqueux.Device according to claim 1) characterized in that it can be combined with a viscous damper. Dispositif selon les revendications 1) et 2) caractérisé en ce qu'il est visitable après la mise en service de la fondation élastique pour permettre le démontage, le réglage et l'accord en fréquence en cas d'évolution des conditions du trafic ferroviaire.Device according to claims 1) and 2) characterized in that it can be visited after the commissioning of the elastic foundation to allow disassembly, adjustment and frequency tuning in the event of changes in rail traffic conditions. Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que les ressorts hélicoïdaux et l'intérieur des boîtes à ressort sont protégés contre la corrosion.Device according to any one of the preceding claims, characterized in that the helical springs and the interior of the spring boxes are protected against corrosion.
EP19930402474 1993-10-08 1993-10-08 Box spring device for insulating railway track foundations Expired - Lifetime EP0647738B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE1993631932 DE69331932T2 (en) 1993-10-08 1993-10-08 Resilient box device for insulating the substructure of a railway track
EP19930402474 EP0647738B1 (en) 1993-10-08 1993-10-08 Box spring device for insulating railway track foundations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19930402474 EP0647738B1 (en) 1993-10-08 1993-10-08 Box spring device for insulating railway track foundations

Publications (2)

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EP0647738A1 true EP0647738A1 (en) 1995-04-12
EP0647738B1 EP0647738B1 (en) 2002-05-15

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DE (1) DE69331932T2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783275A1 (en) * 2004-07-23 2007-05-09 Gerb (Qingdao) Vibration Control Systems Co., Ltd. A floating slab track bed
CN102359525A (en) * 2011-10-31 2012-02-22 浙江天铁实业有限公司 Rubber elastic shock absorber
EP3121333B1 (en) 2015-07-21 2018-01-10 Steinhauser Consulting Engineers ZT GmbH Rail track support
CN108591355A (en) * 2018-06-27 2018-09-28 佛山科学技术学院 A kind of vertical vibration isolation bearing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105714620A (en) * 2015-09-17 2016-06-29 成都明日星辰科技有限公司 Track with oil pressure damper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974963A (en) * 1974-11-15 1976-08-17 Westinghouse Air Brake Company Railway wheel squeal suppression arrangement
DE2927852B1 (en) * 1979-07-10 1980-08-21 Gumba Gummi Im Bauwesen Gmbh Arrangement for vibration and structure-borne noise-damped track storage of underground railways
US4616395A (en) * 1983-06-30 1986-10-14 Perini Corporation Railroad track fixation method and apparatus
EP0554238A1 (en) * 1992-01-29 1993-08-04 VAE Aktiengesellschaft Arrangement for connecting rails

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974963A (en) * 1974-11-15 1976-08-17 Westinghouse Air Brake Company Railway wheel squeal suppression arrangement
DE2927852B1 (en) * 1979-07-10 1980-08-21 Gumba Gummi Im Bauwesen Gmbh Arrangement for vibration and structure-borne noise-damped track storage of underground railways
US4616395A (en) * 1983-06-30 1986-10-14 Perini Corporation Railroad track fixation method and apparatus
EP0554238A1 (en) * 1992-01-29 1993-08-04 VAE Aktiengesellschaft Arrangement for connecting rails

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783275A1 (en) * 2004-07-23 2007-05-09 Gerb (Qingdao) Vibration Control Systems Co., Ltd. A floating slab track bed
EP1783275A4 (en) * 2004-07-23 2011-03-23 Gerb Qingdao Vibration Control Systems Co Ltd A floating slab track bed
CN102359525A (en) * 2011-10-31 2012-02-22 浙江天铁实业有限公司 Rubber elastic shock absorber
EP3121333B1 (en) 2015-07-21 2018-01-10 Steinhauser Consulting Engineers ZT GmbH Rail track support
CN108591355A (en) * 2018-06-27 2018-09-28 佛山科学技术学院 A kind of vertical vibration isolation bearing

Also Published As

Publication number Publication date
DE69331932D1 (en) 2002-06-20
DE69331932T2 (en) 2002-12-19
EP0647738B1 (en) 2002-05-15

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