EP2194190B1 - Dispositif pontant pour un joint de dilatation - Google Patents

Dispositif pontant pour un joint de dilatation Download PDF

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Publication number
EP2194190B1
EP2194190B1 EP08021039A EP08021039A EP2194190B1 EP 2194190 B1 EP2194190 B1 EP 2194190B1 EP 08021039 A EP08021039 A EP 08021039A EP 08021039 A EP08021039 A EP 08021039A EP 2194190 B1 EP2194190 B1 EP 2194190B1
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EP
European Patent Office
Prior art keywords
expansion joint
bridging device
joint bridging
sealing
profiles
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.)
Not-in-force
Application number
EP08021039A
Other languages
German (de)
English (en)
Other versions
EP2194190A1 (fr
Inventor
Mario Flietner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mageba Holding AG
Original Assignee
Mageba SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mageba SA filed Critical Mageba SA
Priority to EP08021039A priority Critical patent/EP2194190B1/fr
Publication of EP2194190A1 publication Critical patent/EP2194190A1/fr
Application granted granted Critical
Publication of EP2194190B1 publication Critical patent/EP2194190B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints
    • E01D19/062—Joints having intermediate beams

Definitions

  • the present invention relates to an expansion joint bridging device in the form of a roadway crossing in road construction, comprising two relatively movable profiles with a arranged between them variable width Dehnfugenspalt over which a deformable sealing sheet extends, which is fixed edge to the two profiles the geomembrane has thickened profiled edge sections which are each received in a form-fitting manner in an associated receiving groove of the relevant profile. Furthermore, the present invention relates to a method for refurbishing such an expansion joint bridging device.
  • Expansion joint bridging devices in the form of roadway crossings in road construction and road construction are used to compensate for heat-related expansion or shrinkage of the superstructure.
  • unicellular or multicellular expansion joint bridging devices are used, the former comprising exactly two profiles and a sealing membrane arranged between them, the latter meanwhile having a larger number of profiles and a plurality of sealing membranes.
  • Multicellular expansion joint bridging devices are often referred to as lamellae lane transitions because of their construction.
  • the US-A-4305680 deals in conjunction with generic expansion joint bridging devices with the mechanical anchoring of such geomembranes whose edge portions - to facilitate insertion into the grooves of the profiles - are made hollow.
  • the flexibility of the hollow edge sections is thereby sustainably reduced by the cavities - after installation of the geomembrane - be filled with an incompressible material.
  • the DE-C-3739717 discloses another expansion joint bridging device designed as a roadway crossing.
  • C-shaped retaining profiles are welded on top of the edge profiles as well as the lamellae arranged between them.
  • two adjacent sealing webs engage with edge portions in each case such a holding profile, wherein an existing between the two respective edge portions intermediate space is filled with a cast body, which also extends into a space between the holding profile and the respective edge portions.
  • not a plurality of individual, separate sealing webs are provided, but rather a continuous sealing mat with slots or holes that can be filled in a corresponding manner with a cast body.
  • the EP 0839967 A1 relates to the mechanically permanent anchoring of an elastic connector sealingly connected to two adjacent concrete parts of a structure.
  • an elastic connector sealingly connected to two adjacent concrete parts of a structure.
  • between the edge portions of the connector and these receiving grooves of the concrete parts existing cavities after the edge portions of the connector and the said cavities have been used, filled with a thermosetting mortar, whereby the connector is permanently anchored on both sides permanently on the two concrete building parts.
  • the present invention has for its object to provide an expansion joint bridging device of the aforementioned type, which can be used for improved protection of the arranged below the geomembrane components characterized by a particularly effective sealing of the geomembrane (s) against the associated profiles.
  • the WO-2006/002992 describes a generic roadway transition and discloses all the features of the preamble of claim 1.
  • expansion joints bridging devices are distinguished in particular by the fact that in the receiving grooves of the profiles existing cavities, which are delimited by the inner surface of the respective receiving groove and the outer surface of the edge portion of the sealing web inserted into the respective receiving groove, subsequently, that is after the respective profiled edge portion of the Sealing membrane has been inserted into the associated receiving groove of the profile in question, is filled with a introduced into the cavity in question sealing medium.
  • This can be done in the context of the present invention with newly installed expansion joint bridging devices - more or less immediately after the insertion ("buttoning") of the geomembrane (s) between the profiles - already factory.
  • a particularly important field of application of the present invention forms the rehabilitation of existing expansion joint bridging devices, especially when - sometimes only after many years of use - the binding of the geomembrane (s) to the associated profiles proves to be leaking.
  • Such leaks are often localized, for example, areas in which the receiving groove bent, kinked or angled runs such as the transition from the roadway area to the sidewalk area in or on Schrammbord.
  • the sealing medium can be introduced by suitable measures (see below) from below into the cavities in question contribute.
  • the present invention is not only applicable to such expansion joint bridging devices, in which the cavity to be filled with the sealing medium by a through the inner wall of the receiving groove and the outer surface of the recorded therein edge portion of the geomembrane limited, extending in the longitudinal direction of the respective edge portion constructive defined sealing cavity is formed. Rather - and in particular - can be filled within the meaning of the present invention subsequently by introducing a sealing medium, such cavities, the are not provided by design and, for example, result from a lack of dimensional stability of the profile and / or the geomembrane or arise over time by aging phenomena such as shrinkage and / or damage. The same applies to tolerance-related cavities.
  • the cavities to be filled with the sealing medium need not extend over the entire longitudinal extent of the geomembrane, but rather may also be locally limited (eg concentrated to areas in which the edge portions of the geomembranes are bent, kinked or discarded ).
  • Corresponding local leaks which can be remedied with minimal effort in application of the present invention, can be determined in particular by regular inspections of the expansion joint bridging devices, in particular by traceability of traces of water or the like.
  • each profile has at least one defined injection channel, which opens into the associated receiving groove.
  • a plurality of injection channels are provided distributed over the extension of the profiles.
  • the injection channels can already have been introduced into the profile concerned at the factory.
  • they are typically drilled on site.
  • the at least one injection channel is closed by means of a return flow-blocking nipple.
  • a return flow-blocking nipple In particular, commercially available lubricating nipples can be used which are hammered or screwed into the injection channels. In the latter case, a thread is cut into the injection channels, after they have been drilled into the profiles for the purpose of applying the present invention, after drilling.
  • the particular advantage of using said backflow stopper nipple is that in the event that an extended cavity - through several injection channels through - is to be filled with a sealing medium, this introduced in rapid succession by means of a suitable tool (eg hand-lubricating or pressing unit) through the individual nipple into the cavity can be.
  • a suitable tool eg hand-lubricating or pressing unit
  • This is particularly advantageous if a sealing medium is used, which is processable only for a limited period of time, as is the case for example for certain two-component sealing media (see below).
  • a sealing medium is used, which is wasserquelltop. This results in a sense a self-sealing effect by penetrating into the receiving water, which comes into contact with the sealing medium, whereby the latter swells.
  • a sealing medium in particular two-component sealing media whose viscosity increases after injection into the sealing cavity.
  • a two-component sealing medium based on polyurethane resin may have a processing viscosity at 25 ° C of less than 180 mPas, which is suitable for typical applications of the present invention.
  • a two-component sealing medium which forms a hydrogel in the fully reacted state.
  • the two-component sealing medium may particularly preferably consist of an acrylate resin.
  • Processing viscosities at 20 ° C of less than 5 mPas achieve.
  • Such a low viscosity is not only beneficial because this sealing medium penetrates into very fine cavities (eg cracks) and provides an effective seal there.
  • a very significant further advantage is that such a low-viscosity sealing medium can be introduced into the relevant cavity via suitable cannulas, which are pierced through the respective edge section of the sealing membrane and penetrate into the cavity to be filled. The hole left by the injection cannula when it is pulled out again in the edge section of the sealing membrane is thereby sealed by the sealing medium.
  • Visible can be dispensed with the application of such low-viscosity sealing medium with suitable profiles and other structural conditions, where appropriate, on the introduction of special injection channels by drilling or the like, which again contributes to a further reduction associated with the rehabilitation of an existing expansion joint bridging device effort.
  • the present invention is, as stated above, particularly applicable to such expansion joint bridging devices in which the cavity to be filled with the sealing medium is formed by a structurally defined sealing cavity, through the inner wall of the receiving groove and the outer surface of the edge portion received therein the geomembrane is limited.
  • several such sealing cavities can be arranged in each receiving groove. These can in particular by a sealing lip of the associated edge portion of the geomembrane, which on the inner wall of the receiving groove is present, separated from each other.
  • the individual sealing cavities arranged within a receiving groove can be delimited from one another by a sealing lip formed on the inner wall of the receiving groove and resting against the outer surface of the edge section of the sealing web received therein.
  • a sealing cavity can be accessible from below via corresponding injection channels from above and another sealing cavity above this associated injection channels.
  • a two-component sealing medium based on an acrylate resin also proves to be advantageous from the point of view that the sealing medium does not make it difficult to exchange the sealing sheet possibly later than is necessary. This is precisely what applies to said specific two-component sealing medium. Because despite the excellent sealing effect of introduced into the cavities in question, hardened therein sealing medium, the geomembrane can easily remove from the receiving groove. The cured sealing medium adheres even to the respective edge portion of the geomembrane, so that a complex cleaning of the receiving groove before a new geomembrane is used, is unnecessary. Remains that should adhere to the inner wall of the receiving groove can easily be pulled off in the manner of a rubber cord.
  • the pot life over the selected mixing ratio of the components specifically to the respective task in particular to the extent of the with the sealing medium adapted to be filled cavity.
  • a processing of this sealing medium over a very large temperature range minus 5 ° C to plus 40 ° C is possible, so far as there are no appreciable restrictions, as far as the seasonal time of rehabilitation of an expansion joint bridging device. Since the material is also water-soluble, a cleaning of the equipment as well as a disposal of residual amounts is easily and easily possible.
  • cavities are to be filled with the sealing medium, which extend over the entire length of the receiving groove, as applies in particular to design-defined defined sealing cavities, the two ends are expediently closed before the introduction of the sealing medium into the relevant sealing cavity, There to prevent leakage of the sealing medium. This is advantageous because it favors complete filling of the cavity.
  • Fig. 2 illustrates how in applying a preferred embodiment of the invention in the built-in expansion joint bridging device with minimal effort, in particular without replacement of the geomembrane, the tightness of the connection of the geomembrane 1 to the two profiles 3 can be effectively improved. Namely, at the required intervals, the screws 10 with which the tooth profiles 11 are screwed to the profiles 3 are removed. Instead, lubricating nipples 12 are screwed into the profiles 3. Through the lubricating nipple 12 and the threaded holes 13 of the profiles 3 through an existing of an acrylate resin sealing medium 14 is introduced into the upper cavity 8. The respective threaded holes 13 thus act as injection channels 15, which open into the cavity 8, which forms a defined sealing cavity 16 in this way. Subsequently, the lubricating nipple 12 are removed again and the screws 10 are screwed back into the threaded bores 13. The number of grease nipples used and the distance between them depends on the flow properties of the sealing medium 14.
  • the injection channels as shown, typically accessible from above.
  • Fig. 4 is shown, in a factory, ie before the installation takes place sealing the expansion joint bridging device in application of the present invention, the injection channels 17 from the (later) underside accessible and in particular in the lower cavities 9, which form sealing cavities 18 in this way, lead.
  • a practicable alternative is the turning of appropriately prepared grease nipples into smooth bores.
  • Fig. 5 shows a known as such, typical multi-cell (here five-cell) expansion joint bridging device (lamella-lane transition), in which four lamellae 21 are supported on trusses 22. Both the slats 21 and the edge profiles 23 represent profiles 3 in the sense of the present invention, on which sealing sheets 1, each bridge a Dehnfugenspalt D or cover this, are fixed with their thickened, profiled edge portions 2.
  • corresponding multicellular expansion joint bridging devices are well known, inter alia by documents cited at the beginning of the prior art, the disclosure content of which is expressly incorporated by reference into the subject matter of the present patent application Fig. 5 omitted construction.
  • a built-in expansion joint bridging device of in Fig. 5 In order to improve the tightness of the connection of the sealing sheets 1 to the profiles 3, the present invention can be used, for example, in the present invention Fig. 6 Apply illustrated way.
  • Fig. 6 Apply illustrated way.
  • the manufacture of the threaded hole can through the lower Ridge 27 of the relevant lamella, ie by a passing through this auxiliary bore 28 through.
  • a grease nipple 12 is then screwed.
  • the threaded hole constitutes an injection channel 29 for sealing medium 31 to be introduced through the lubricating nipple 12 into the lower cavity 26, which in this way forms a sealing cavity 30.
  • the auxiliary bore 28 is closed after completion of the renovation work on the expansion joint bridging device and protected against corrosion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Claims (17)

  1. Dispositif de recouvrement de joint de dilatation sous forme d'un passage de chaussée dans la construction des routes et des chemins, comprenant deux profilés (3) mobiles l'un par rapport à l'autre avec une fente de joint de dilatation (D) disposée entre ces profilés et variables en largeur, fente sur laquelle s'étend une bande d'étanchéité (1) déformable, laquelle est fixée côté bordure sur les deux profilés, la bande d'étanchéité présentant des parties de bordure (2) épaissies et profilées, lesquelles sont réceptionnées à chaque fois par complémentarité de formes dans une rainure de logement (4) associée du profilé concerné, des cavités (8, 9) délimitées par les rainures de logement (4) et la partie de bordure (2), réceptionnée à chaque fois dedans, de la bande d'étanchéité (1) étant présentes dans ces rainures, caractérisé en ce que chaque profilé (3) présente au moins un canal d'injection (15, 17, 29), lequel débouche dans la rainure de logement (4) associée, les cavités (8, 9) étant remplies avec un fluide d'étanchéité (14, 31) introduit ultérieurement dedans par le au moins un canal d'injection (15, 17, 29).
  2. Dispositif de recouvrement de joint de dilatation selon la revendication 1, caractérisé en ce que les profilés (3) présentent à chaque fois plusieurs canaux d'injection (15, 17, 29) disposés et répartis le long de leur extension.
  3. Dispositif de recouvrement de joint de dilatation selon la revendication 1 ou la revendication 2, caractérisé en ce que le au moins un canal d'injection (15) est accessible par en haut.
  4. Dispositif de recouvrement de joint de dilatation selon la revendication 1 ou la revendication 2, caractérisé en ce que le au moins un canal d'injection (17, 29) est accessible par en bas.
  5. Dispositif de recouvrement de joint de dilatation selon la revendication 4, caractérisé en ce que le au moins un canal d'injection (15, 17, 29) est fermé au moyen d'un graisseur de blocage/reflux.
  6. Dispositif de recouvrement de joint de dilatation selon l'une des revendications 1 à 5, caractérisé en ce que la cavité (8, 9) est formée par une cavité d'étanchéité (16, 18, 30) définie délimitée par la paroi intérieure de la rainure de logement (4) et la surface extérieure du tronçon de bordure (2), réceptionné dedans, de la bande d'étanchéité (1), s'étendant dans la direction longitudinale du tronçon de bordure concerné.
  7. Dispositif de recouvrement de joint de dilatation selon la revendication 6, caractérisé en ce que plusieurs cavités d'étanchéité (16, 18, 30) sont disposées dans chacune des rainures de logement (4).
  8. Dispositif de recouvrement de joint de dilatation selon la revendication 7, caractérisé en ce que les cavités d'étanchéité (16, 18, 30) disposées à l'intérieur d'une rainure de logement (4) sont délimitées les unes des autres par une lèvre d'étanchéité (7) du tronçon de bordure (2) associé de la bande d'étanchéité (1).
  9. Dispositif de recouvrement de joint de dilatation selon la revendication 7, caractérisé en ce que les cavités d'étanchéité (16, 18, 30) disposées à l'intérieur d'une rainure de logement (4) sont délimitées les unes des autres par une nervure d'étanchéité conçue sur la paroi interne de la rainure de logement.
  10. Dispositif de recouvrement de joint de dilatation selon les revendications 1 à 6, caractérisé en ce que le canal d'injection (15, 17, 29) débouche dans la cavité d'étanchéité (16, 18, 30) définie et que cette cavité est remplie avec le milieu d'étanchéité (14, 31) à travers le canal d'injection.
  11. Dispositif de recouvrement de joint de dilatation selon l'une des revendications 1 à 10, caractérisé en ce que le milieu d'étanchéité (14, 31) peut gonfler avec de l'eau.
  12. Dispositif de recouvrement de joint de dilatation selon l'une des revendications 1 à 11, caractérisé en ce que le milieu d'étanchéité (14, 31) est à base d'un milieu d'étanchéité à deux composants, dont la viscosité augmente après l'introduction dans la cavité.
  13. Dispositif de recouvrement de joint de dilatation selon la revendication 12, caractérisé en ce que le milieu d'étanchéité à deux composants est à base d'une résine de polyuréthane.
  14. Dispositif de recouvrement de joint de dilatation selon la revendication 12, caractérisé en ce que le milieu d'étanchéité à deux composants forme un hydrogel dans l'état en fin de réaction.
  15. Dispositif de recouvrement de joint de dilatation selon la revendication 14, caractérisé en ce que le milieu d'étanchéité à deux composants est à base d'une résine d'acrylate.
  16. Dispositif de recouvrement de joint de dilatation selon l'une des revendication 12 à 15, caractérisé en ce que le milieu d'étanchéité à deux composants présente une viscosité de traitement à 25°C de moins de 180 mPas, de préférence une viscosité de traitement à 20°C de moins de 5 mPas.
  17. Procédé pour l'assainissement pour la rénovation d'un dispositif de recouvrement de joint de dilatation existant, conçu comme passage de chaussée dans la construction des routes et des chemins, lequel dispositif comprend deux profilés (3) mobiles l'un par rapport à l'autre, avec une fente de joint d'étanchéité (D) disposée entre ces profilés et variable en largeur, fente sur laquelle s'étend une bande d'étanchéité (1) déformable qui est fixée côté bord sur l'un des deux profilés, la bande d'étanchéité présentant des tronçons de bordure (2) profilés épaissis, lesquels tronçons sont réceptionnés par complémentarité de formes à chaque fois dans une rainure de logement (4) associée du profilé concerné du fait que des cavités (8, 9) existantes dans les rainures de logement et délimitées par ces rainures et le tronçon de bordure, réceptionné à chaque fois dedans, de la bande d'étanchéité sont remplies à travers des canaux d'injection (15, 17, 29), disposés dans les profilés (3) et débouchant dans la rainure de logement (4) respectivement associée avec un milieu d'étanchéité (14, 31) introduit dedans ultérieurement.
EP08021039A 2008-12-04 2008-12-04 Dispositif pontant pour un joint de dilatation Not-in-force EP2194190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08021039A EP2194190B1 (fr) 2008-12-04 2008-12-04 Dispositif pontant pour un joint de dilatation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08021039A EP2194190B1 (fr) 2008-12-04 2008-12-04 Dispositif pontant pour un joint de dilatation

Publications (2)

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EP2194190A1 EP2194190A1 (fr) 2010-06-09
EP2194190B1 true EP2194190B1 (fr) 2012-07-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102021885B (zh) * 2011-01-04 2012-02-15 上海市城市建设设计研究院 一种桥面连续缝结构
DE202012103837U1 (de) * 2012-10-08 2014-01-13 René Scheitenberger Dehnfugenprofilsystem

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE3739717C1 (de) * 1987-11-24 1989-03-16 Kober Ag Vorrichtung zur UEberbrueckung von Dehnungsfugen

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US4305680A (en) 1979-12-03 1981-12-15 Old North Manufacturing Co., Inc. Roadway joint and seal and method of fabricating same
DE8010697U1 (de) 1980-04-18 1980-07-24 Donau-Eisen Stahlbau Gmbh, 8070 Ingolstadt Vorrichtung zum ueberbruecken einer dehnungsfuge
DE3522864A1 (de) 1985-06-26 1987-01-08 Maurer Friedrich Soehne Vorrichtung zur rberbrueckung von dehnungsfugen, insbesondere in betonbruecken
DE8816536U1 (de) 1988-10-19 1989-11-30 Kober Ag, Glarus Dichtungsvorrichtung zum Abdichten von bauwerkseitigen Dehnungsfugen, insbesondere für Fahrbahnübergänge
DE4138347C3 (de) 1991-11-21 1999-05-20 Alfred Hartkorn Wasserdichte Fugenüberbrückungskonstruktion für Brücken o. dgl. Bauwerke
US5228255A (en) * 1992-04-28 1993-07-20 The Atlantic Group, Inc. Method and apparatus for improved belt type expansion joints
DE4433909C2 (de) 1994-09-22 1997-11-27 Alfred Hartkorn Fugenüberbrückungsvorrichtung
JP3954673B2 (ja) 1996-11-01 2007-08-08 株式会社ヤマックス コンクリート製接合物の止水用接合部材
DE19630328C2 (de) 1996-07-26 1999-11-18 Maurer Friedrich Soehne Überbrückungsvorrichtung für Fugenspalte
DE19803004A1 (de) 1997-01-27 1998-08-13 Alfred Hartkorn Fugenüberbrückungskonstruktion
DE19705531C2 (de) 1997-02-13 2001-07-05 Maurer Friedrich Soehne Vorrichtung zur Überbrückung von Dehnfugen
CN1194141C (zh) 2000-09-26 2005-03-23 毛勒·索尼公司 用于搭接伸缩缝的装置的齿板结构
US20050171248A1 (en) * 2004-02-02 2005-08-04 Yanmei Li Hydrogel for use in downhole seal applications
EP1621674A1 (fr) 2004-07-30 2006-02-01 Mageba S.A. Dispositif de pontage
EP1741846A1 (fr) * 2005-07-08 2007-01-10 Sika Technology AG Joint d'étanchéité

Patent Citations (1)

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DE3739717C1 (de) * 1987-11-24 1989-03-16 Kober Ag Vorrichtung zur UEberbrueckung von Dehnungsfugen

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