EP2690218B2 - Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée - Google Patents

Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée Download PDF

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Publication number
EP2690218B2
EP2690218B2 EP13177512.4A EP13177512A EP2690218B2 EP 2690218 B2 EP2690218 B2 EP 2690218B2 EP 13177512 A EP13177512 A EP 13177512A EP 2690218 B2 EP2690218 B2 EP 2690218B2
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European Patent Office
Prior art keywords
crack
filling
carried out
concrete
track
Prior art date
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Application number
EP13177512.4A
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German (de)
English (en)
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EP2690218A3 (fr
EP2690218A2 (fr
EP2690218B1 (fr
Inventor
Andreas Kroll
Matthias Von Hauenschild
Marko Junghans
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Getek Holding GmbH
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Getek Holding GmbH
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Application filed by Getek Holding GmbH filed Critical Getek Holding GmbH
Priority to PL13177512T priority Critical patent/PL2690218T3/pl
Priority to EP16200099.6A priority patent/EP3269878A1/fr
Publication of EP2690218A2 publication Critical patent/EP2690218A2/fr
Publication of EP2690218A3 publication Critical patent/EP2690218A3/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/20—Working or treating non-metal sleepers in or on the line, e.g. marking, creosoting

Definitions

  • JP 2007 255039 A or WO 2010/096182 A1 Crack repair on concrete sleepers by injection of a filler is known.
  • JP 2007 255039 A describes a method in which a coating is carried out after the crack has been sealed.
  • WO 2010/096182 A1 describes a method for repairing railway sleepers using UV-curable polymers.
  • the object of the invention is to provide a method for crack repair on concrete sleepers of track systems, complex work such as removing the track, the track bed and the concrete sleeper can be avoided and a reliable complete crack filling is made possible.
  • the invention achieves that a method for crack repair on concrete sleepers of track systems is created, a damage analysis or crack analysis taking place in successive steps on the concrete sleeper and then existing cracks being insulated.
  • a filler is injected over exposed areas of the dam.
  • corresponding areas of the dam are exposed and filled one after the other if the crack runs accordingly.
  • This ensures that the filling or injection of the cracks is carried out completely and reliably.
  • the stability of the concrete sleeper is restored.
  • the process enables concrete sleepers to be renovated without removing them from the glass system. Time-consuming track work such as removing the rail or the track bed or parts of the track bed as well as the long-term locking of track systems can be omitted.
  • a significant cost advantage is achieved by using a low pressure pump. In this way, unfavorable influences from high-pressure applications, such as shear forces and dynamic pressure, and thus obstacles to backfilling can be avoided.
  • the leakage of the filler from the crack is monitored in a fifth step.
  • the low pressure pump is controlled on the basis of the monitoring result. This monitors the quality of the backfill and the reliability of the process.
  • one-component, two-component or multi-component epoxy resin or polyurethane is used as the filler.
  • the optimal fillers can be selected, compiled and used. This improves the quality of the process and the subsequent renovation.
  • the respective cracks are rinsed with a solvent, the initial conditions with regard to moisture, the type of pre-pollution and the degree of pollution can be positively influenced and completely eliminated.
  • the filler to be used receives optimal application options and binding options to the concrete material of the concrete sleeper.
  • the crack is blown out. This allows residues to be removed from the solvent used or other residues. The quality of the renovation and the reliability of the backfilling are improved.
  • the injection device is inserted in the open area by means of filler neck into the crack or is placed on the crack by means of a rubber lip. In this way, optimal fillings or injections of the filler are achieved. This improves the quality of the process.
  • backfilling is carried out as one work step, breaks in the overall strength of the backfill material due to time-delayed introduction and hardening are avoided. The reliability of the process is improved.
  • the filling is carried out even with continuous or unsteady mechanical stress on the monolithic material. This means that concrete sleepers can be backfilled or refurbished even during short breaks in traffic between two trains. Time-consuming closures can be avoided. This achieves a cost advantage that should not be underestimated.
  • the concrete sleeper in the area of the crack or the crack is mechanically expanded. This simplifies the filling process and makes it more reliable.
  • the lower threshold area is individually sealed in the event of continuous crack formation by means of a quickly potting material by a lateral introduction. It is thereby achieved that the cracks in the lower area of the threshold are closed and thus the subsequently introduced filler cannot escape from the threshold downwards.
  • the method according to the invention makes it possible to repair cracks, the concrete sleeper 6 to be renovated remaining in the track system during the renovation.
  • the repair takes place in successive steps after an in-depth crack analysis.
  • the crack is first blown out and rinsed with a solvent, which is, for example, hydrophobic.
  • a solvent which is, for example, hydrophobic.
  • dam 2 of crack 1 or cracks 1 is insulated. Insulation 2 is carried out here using the crack analysis. For this purpose, the dam 2 is applied to the crack 1 so that it is completely covered.
  • the dam 2 is applied to the crack 1 in strips along the crack 1, the dam 2 being made removable at intervals.
  • the crack is covered, for example, transversely to the course of the crack and overlaid by the dam 2.
  • 2 open areas 3 are produced at the locations provided for this purpose by removing the insulation. If necessary, blowing out and rinsing of the cracks 1 or cracks 1 takes place again at this point of the method via the open areas 3.
  • the filler 4 is injected into the crack 1 by means of an injection device known per se and a low-pressure pump.
  • a low-pressure pump that is, filler necks 5, which are arranged in the crack 1, or by means of rubber lips 6 which can be placed or pressed onto the crack 1.
  • the low pressure pump is controlled by means of a pressure drop sensor, so that the filler 4 can penetrate into the crack 1 without bubbles.
  • the backfill is monitored by monitoring the emergence of the filler 4 from the crack 1.
  • the low pressure pump is controlled on the basis of the monitoring result. Filling is carried out without interruption as one work step, the filling process being able to be delayed taking into account the pot life of the respective filler 4.
  • Both an epoxy resin and polyurethane can be used as filler 4.
  • a hydrophobic solvent such as acetone
  • the suitable choice of the filling material 4 allows filling even with continuous or unsteady mechanical stress on the concrete sleeper 6.
  • a quickly potting material is introduced laterally in this area by means of an injector.
  • This material is a jelly-like, fast potting material, which is adjusted according to air humidity, dew point and building temperature. After this material has hardened, the fourth step according to claim 1 is carried out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (11)

  1. Procédé servant à rénover des fissures sur des seuils en béton (6) par l'injection d'une matière de remplissage, dans lequel la ou les fissures (1) sont bourrées sur leur surface au moins en partie par un bourrage (2) connu en soi dans la zone supérieure du seuil en béton (6),
    caractérisé en ce
    - qu'une analyse de fissures est effectuée lors d'une première phase,
    - que l'au moins une fissure (1) est bourrée lors d'une deuxième phase à l'aide de l'analyse de fissures de telle sorte que le bourrage (2) est appliqué de manière à couvrir la fissure (1) de préférence sous la forme d'une bande le long de l'au moins une fissure (1), dans lequel le bourrage (2) est réalisé de manière à pouvoir être retiré à distance le long de la fissure (1),
    - que lors d'une troisième phase au moins une surface libre (3) est produite par le retrait du bourrage (2),
    - que lors d'une quatrième phase, la matière de remplissage (4) est injectée au niveau de l'au moins une surface libre (3) dans la fissure (1) au moyen d'un dispositif d'injection connu en soi et d'une pompe à pression basse, dans lequel la pompe à pression basse est commandée au moyen d'un capteur de chute de pression, et
    - que les troisième et quatrième phases sont effectuées l'une après l'autre respectivement en alternance jusqu'au remplissage total.
  2. Procédé selon la revendication 1,
    caractérisé en ce
    que lors d'une cinquième phase, la sortie de la matière de remplissage (4) hors de la fissure (1) est surveillée, et en ce que la pompe à pression basse est commandée à l'aide du résultat de la surveillance.
  3. Procédé selon les revendications 1 et 2,
    caractérisé en ce
    qu'une résine époxy ou un polyuréthane à un composant, à deux composants ou à plusieurs composants est utilisé(e) en tant que matière de remplissage (4).
  4. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que l'au moins une fissure (1) est rincée au moyen d'un solvant avant la deuxième phase et/ou avant la quatrième phase.
  5. Procédé selon la revendication 4,
    caractérisé en ce
    que la fissure (1) est soufflée avant le rinçage, après le rinçage, avant la deuxième phase et/ou avant la quatrième phase.
  6. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que le dispositif d'injection est inséré dans la fissure (1) au niveau de la surface libre (3) au moyen de tubulures de remplissage (5) ou est posé sur la fissure (1) au moyen d'une lèvre en caoutchouc (5).
  7. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que le remplissage est effectué sous la forme d'un cycle de travail.
  8. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que le remplissage est effectué également en présence d'une contrainte mécanique continue ou aléatoire du matériau (6) monolithique.
  9. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que le seuil en béton (6) dans la zone de la fissure (1) et/ou des fissures (1) est élargi mécaniquement.
  10. Procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que, en cas d'apparition continue de fissures jusqu'au côté inférieur dans la zone inférieure du seuil en béton, un matériau à bouchage rapide est introduit au moyen d'un injecteur latéralement dans ladite zone, et en ce que la quatrième phase est effectuée après le durcissement.
  11. Utilisation du procédé selon les revendications 1 à 10,
    caractérisée en ce
    que des seuils en béton d'installations de voies ferrées sont rénovés, dans laquelle les seuils en béton restent dans l'installation de voies ferrées et les rails et le ballast ne sont pas affectés.
EP13177512.4A 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée Active EP2690218B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL13177512T PL2690218T3 (pl) 2012-07-22 2013-07-22 Sposób naprawy pęknięć na podkładach betonowych torowisk
EP16200099.6A EP3269878A1 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012106632 2012-07-22

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16200099.6A Division-Into EP3269878A1 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée
EP16200099.6A Division EP3269878A1 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée

Publications (4)

Publication Number Publication Date
EP2690218A2 EP2690218A2 (fr) 2014-01-29
EP2690218A3 EP2690218A3 (fr) 2015-04-15
EP2690218B1 EP2690218B1 (fr) 2016-11-23
EP2690218B2 true EP2690218B2 (fr) 2020-04-29

Family

ID=48915830

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16200099.6A Withdrawn EP3269878A1 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée
EP13177512.4A Active EP2690218B2 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16200099.6A Withdrawn EP3269878A1 (fr) 2012-07-22 2013-07-22 Procédé de rénovation de fissures sur des seuils en béton d'installations de voie ferrée

Country Status (3)

Country Link
EP (2) EP3269878A1 (fr)
DE (2) DE102013107822A1 (fr)
PL (1) PL2690218T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119884B4 (de) 2015-11-17 2020-02-13 adicon dichte Bauwerke GmbH Verfahren zur Sanierung von Betonschwellen
DE102021115681A1 (de) 2021-06-17 2022-12-22 adicon dichte Bauwerke GmbH Verfahren zur Sanierung von Bahnschwellen für Schienenfahrzeuge
CN114952515B (zh) * 2022-06-01 2023-06-09 郑州铁路职业技术学院 一种道岔转辙机修复装置
CN120486192B (zh) * 2025-06-25 2025-11-11 中国铁道科学研究院集团有限公司铁道建筑研究所 一种无砟道床轨枕与道床离缝修复方法及修复工装

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3620490A1 (de) † 1986-06-19 1987-12-23 Hilti Ag Verfahren zur bauwerks-sanierung
WO2010096182A1 (fr) † 2009-02-20 2010-08-26 Encore Rail Systems, Inc. Procédés de réparation et maintenance préventive de traverses de chemin de fer utilisant des polymères durcissables par uv
EP2405080A1 (fr) † 2010-07-09 2012-01-11 Sersa Group AG (Schweiz) Comblement des lézardes dans une traverse de chemin de fer

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Publication number Priority date Publication date Assignee Title
JP3903017B2 (ja) * 2003-02-13 2007-04-11 積水化学工業株式会社 まくら木の補修方法
JP4224419B2 (ja) * 2004-03-31 2009-02-12 積水化学工業株式会社 まくら木連結構造、まくら木補修方法
JP4226015B2 (ja) * 2006-03-23 2009-02-18 住友大阪セメント株式会社 コンクリート製枕木の補修方法
US20090178731A1 (en) * 2006-06-20 2009-07-16 David Ollendick Rehabilitation of discarded wooden railroad ties having disabling cracks in the ends of the ties

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620490A1 (de) † 1986-06-19 1987-12-23 Hilti Ag Verfahren zur bauwerks-sanierung
WO2010096182A1 (fr) † 2009-02-20 2010-08-26 Encore Rail Systems, Inc. Procédés de réparation et maintenance préventive de traverses de chemin de fer utilisant des polymères durcissables par uv
EP2405080A1 (fr) † 2010-07-09 2012-01-11 Sersa Group AG (Schweiz) Comblement des lézardes dans une traverse de chemin de fer

Non-Patent Citations (4)

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Title
"Füllen von Rissen", ZEMENT-MERKBLATT BETONTECHNIK, no. B26, June 2003 (2003-06-01), XP055415664, Retrieved from the Internet <URL:https://www.vdz-online.de/fileadmin/gruppen/vdz/3LiteraturRecherche/Zementmerkblaetter/B26.pdf> †
"Rißsanierung - Schließen, Abdichten, dehnfähiges und kraftschlüssiges Verbinden", WEBAC BROSCHUE, November 2001 (2001-11-01), pages 1 - 13, XP055415681 †
"Rißverpressung - Prinzipielle Anmerkungen zum Verpressen von Rissen in Betonbauteilen", June 2001 (2001-06-01), XP055415682, Retrieved from the Internet <URL:http://www.smp-ing.de/webyep-system/programm/download.php?FILENAME=14-2-at-download.pdf&ORG_FILENAME=Rissverpressung2001.pdf> †
ANONYMOUS: "Bundesanstalt f�r Stra�enwesen", ZUS�TZLICHE TECHNISCHE VERTRAGSBEDINGUNGEN UND RICHTLINIEN F�R INGENIEURBAUTEN (ZTV-ING) - TEIL 3, MASSIVBAU, ABSCHNITT 5, F�LLEN VON RISEEN UND HOHLR�UMEN IN BETONBAUTEILEN, XP055415660, Retrieved from the Internet <URL:https://www.farbe-bfi.de/1003_ZTV-ING-Teil-3-Abschn-5-Fuellen-Risse-Hohlraeume.pdf> [retrieved on 20171013] †

Also Published As

Publication number Publication date
EP2690218A3 (fr) 2015-04-15
EP3269878A1 (fr) 2018-01-17
EP2690218A2 (fr) 2014-01-29
EP2690218B1 (fr) 2016-11-23
PL2690218T3 (pl) 2017-08-31
DE202013012347U1 (de) 2016-06-02
DE102013107822A1 (de) 2014-01-23

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