EP2666959B1 - Dichtungsprofil für Betonsegmente und sein Herstellungsverfahren - Google Patents

Dichtungsprofil für Betonsegmente und sein Herstellungsverfahren Download PDF

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Publication number
EP2666959B1
EP2666959B1 EP13160854.9A EP13160854A EP2666959B1 EP 2666959 B1 EP2666959 B1 EP 2666959B1 EP 13160854 A EP13160854 A EP 13160854A EP 2666959 B1 EP2666959 B1 EP 2666959B1
Authority
EP
European Patent Office
Prior art keywords
formwork
concrete block
sealing device
concrete
gasket
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.)
Revoked
Application number
EP13160854.9A
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English (en)
French (fr)
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EP2666959A1 (de
Inventor
Gustavo Bomben
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.)
Fama SpA
Original Assignee
Fama SpA
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Filing date
Publication date
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Application filed by Fama SpA filed Critical Fama SpA
Publication of EP2666959A1 publication Critical patent/EP2666959A1/de
Application granted granted Critical
Publication of EP2666959B1 publication Critical patent/EP2666959B1/de
Revoked legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04—Lining with building materials
    • E21D11/08—Lining with building materials with preformed concrete slabs
    • E21D11/086—Methods of making concrete lining segments

Definitions

  • the present invention relates to the production technic of concrete blocks, or voussoirs, which are used, in particular, in the construction of road or railway tunnels, hydraulic tunnels and the like.
  • Concrete blocks are put in reciprocal contact and have to be provided with elastic gaskets which ensure a perfect sealing of their relative surfaces against any possible seepage by external agents, in particular water.
  • the main technical problem to face in carrying out concrete blocks which is scope of the invention, is represented in that the elastic gaskets are subjected not only to compression but also to sliding, so that they could get out from their seats accomplished in the concrete blocks, and consequently they do not ensure the necessary sealing and cause dangerous leakages. Moreover, the ejection of the gasket from its seat prevents the right reciprocal coupling of the blocks. Particularly, said risk occurs in relation to the keystone when the gasket is not securely arranged.
  • concrete blocks are normally provided with irregular surfaces, with relieves and cavities having dimension higher than 1 mm, and are undoubtedly covered in dust. Then, in order to ensure a good adhesion of the glue, it is also necessary to provide with a previous cleaning of the surfaces, so that working becomes complicated and relevant cost and time increase. Cavities and relieves must be carefully repaired by using suitable products and in any case the restored blocks may be glued only after a complete cure of the products used for the repair.
  • the device disclosed in said patent application requires that the gaskets have to be positioned in their seat within the formwork during the casting of concrete blocks by using vacuum equipment which operates through holes passing through the formworks to vacuum seal the gaskets.
  • gasket remains fastened to the concrete without the need to use glue.
  • Gaskets show a profile conjugate with that of their relevant seats into the concrete blocks, so that the mutual fastening is ensured.
  • the sealing elements have a particular section (Fig. 3), comprising two feet having inclined and asymmetric profiles, merged into the concrete, and sides with a profile having a double opposite inclination, so that they may couple with a corresponding profile of the formwork.
  • This solution just thanks to the particular profile, may produce undesired detachments of the gasket from the formwork during the complicated steps for the prearrangement to the concrete casting, due to possible crashes against other components of the block which are simultaneously introduced with the same gasket.
  • the documents EP 673 734 A1 and EP 982 472 B1 disclose gaskets having symmetrical transversal sections.
  • the present invention relates to a sealing device for sealing concrete blocks, which makes use of a gasket of fastened type.
  • the invention relates further to a manufacturing method for the sealing device and to its implementation.
  • a first object of the present invention is to carry out a sealing device of the mentioned kind which ensures maintaining the gasket correctly positioned into its seat during the manufacturing steps of the concrete block, without the need to use auxiliary means, like vacuum apparatuses or similar.
  • Another object of the invention is to carry out a gasket having a profile which allows the detachment from the formwork without jeopardizing the gasket positioning with reference to the concrete block and without producing strains in the gasket itself.
  • an object of the invention is to carry out a gasket easy to be replaced in case of breaking, and allowing the recovery and reclaim of the concrete block.
  • a further object of the invention is to carry out a gasket having a profile regular and uniform along its whole development.
  • the gasket is formed in such a way to be easily and intuitively fastened into the formwork and to be able to avoid seepages of cement mortar on its surfaces intended to watertight, so that the gasket integrates into the formwork without problem.
  • FIGS 1 and 2 show in section the sealing device for sealing concrete block (10) according to the invention and the relevant manufacturing system and setting up the same.
  • the device comprises a sealing profile in elastomeric material, which shows a body (11) having an essentially parallelepiped shape and provided with internal cavities (12). Said cavities cooperate to make elastic and deformable the body (11), so that it performs its function and allows and facilitates its fastening in a formwork (16), which is used to manufacture the concrete block (10), and to ensure the perfect sealing of the sealing profile after its setting up in the concrete block.
  • the main feature of the device according to the invention is represented in that the body (11) is provided on each of its two lateral longitudinal surfaces with a cavity (14) which engages a corresponding rib (15) formed in the formwork (16) in correspondence to the contact surface between the formwork and the concrete block.
  • the cavities (14) of the body (11) show, along the contact surface between the formwork and the concrete block, a slanting side (19) which is pressed against the corresponding rib (15) so that it ensures the perfect sealing at the manufacturing step of the concrete block.
  • the cavities (14) are defined by the slanting side (19) and a tooth (20), which extends parallel to the contact surface between the formwork and the concrete block.
  • the tooth (20) is opposite to the side (19) and is less extended than the side (19).
  • the cross section of the body (11) is symmetric with respect of the central axis, orthogonal to the contact surfaces with the formwork (16) and the concrete block (10).
  • the body (11) extends by at least a fastening foot (13) which is able to be immersed into the concrete block (10); preferably, the body (11) is provided with two fastening feet (13) which extend longitudinally to the body itself.
  • the fastening feet (13) of the body (11) show, in cross section, a shape having internal surfaces (17) which are slanting and opposite so as relevant lateral extensions (18) which are orthogonal to the central axis of the body (11).
  • the shape of the gasket ensures a self-forming of the seat into the concrete block, so that the gasket can cushion all forces due to the hydraulic pressure which are applied laterally.
  • the gasket according to the invention having a profile symmetrical with respect to its central axis, allows to keep a regular and uniform profile along its whole development, so avoiding the need to vary the shape in the corner parts with reference to the linear parts. As the gasket is fastened to the concrete, it is able to bear and overcome better the forces acting in order to eject it from its seat.
  • the gasket according to the invention even if it is mechanically fastened into the seat of the concrete block, can be got out in case of damage and substituted by a suitable reclaimed gasket, so that the high damage for the removal of the whole concrete block can be avoided.
  • the invention relates also to a manufacturing and setting up method for the mentioned device.
  • the gasket is fastened to the formwork (16) by a simple mechanical insertion of the body (11) into the corresponding seat formed in the formwork, and by engaging the cavities (14) of the gasket in the ribs (15) of the formwork.
  • the casting of the concrete block (10) is carried out and the gasket is integrated within the same block, thanks to fastening the feet (13) of the body (11) into the block (10).
  • the formwork (16) is disengaged from the gasket, which remains mechanically fastened to the concrete block (10).
  • the perfect sealing of the device is ensured both in the mounting step of the gasket to the formwork and in the casting step of the concrete block, thanks to compression of the slanting surfaces of the body (11) with respect to the corresponding surfaces of the formwork and of the concrete block.
  • the device according to the invention allows to produce concrete blocks (10) provided with elastic gasket (11), which are installed by achieving between them connections very strong and perfectly sealed.
  • Said concrete blocks fulfill all the scopes previously reported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Building Environments (AREA)

Claims (2)

  1. Dichtungsvorrichtung für Betonblöcke oder Keilsteine (10), die von einem Profilelement gebildet wird, das aus Elastomermaterial besteht, einen im Wesentlichen parallelepipedförmigen Körper (11) hat und mit Innenhohlräumen (12) versehen ist, wobei sich der Körper in wenigstens einen Verankerungs-Fuß (13) erstreckt, der in den Betonblock eingebettet werden kann, der Körper (11) an jeder von zwei seitlichen Längsflächen mit einer Nut (14) versehen ist, die mit einer entsprechenden Rippe (15) in Eingriff kommt, die in einer Schalung (16) ausgebildet ist, und die zum Formen des Betonblocks in Beziehung zu der Kontaktfläche zwischen der Schalung und den Betonblock geeignet ist, wobei die Nuten (14) in der Höhe der Kontaktfläche zwischen der Schalung (16) und dem Betonblock (10) mit einer abgeschrägten Seite (19) versehen sind, die an ihre entsprechende Rippe (15) gepresst wird, um so eine vollständige Abdichtung während der Herstellung des Betonblocks zu gewährleisten, dadurch gekennzeichnet, dass der Körper (11) im Querschnitt symmetrisch in Bezug auf die Mittelachse im rechten Winkel zu den Kontaktflächen mit der Schalung (16) und dem Betonblock (10) ist, und dass die Verankerungs-Füße (13) des Körpers (11) im Querschnitt eine Form mit Innenflächen (17) aufweisen, die abgeschrägt sind und einander gegenüberliegen und jeweilige seitliche Verlängerungen (18) haben, die im rechten Winkel in Bezug auf die Mittelachse des Körpers (11) ausgerichtet sind.
  2. Verfahren zum Herstellen einer Dichtungsvorrichtung für Betonblöcke (10) nach dem vorangehenden Anspruch, dadurch gekennzeichnet, dass der Körper (11) der Dichtungsvorrichtung mittels einer einfachen mechanischen Einführung des Körpers (11) in seine entsprechende in der Schalung (16) hergestellte Aufnahme und Herstellen von Eingriff der Nuten (14) des Körpers mit den Rippen (15) der Schalung an der Schalung (16) befestigt wird, anschließend das Gießen des Betonblocks (10) ausgeführt wird und die Dichtungsvorrichtung in den Betonblock integriert wird, indem die Füße (13) des Körpers (11) in dem Betonblock (10) verankert werden, und abschließend die Schalung (16) von der Dichtungsvorrichtung gelöst wird, so dass letztere mechanisch an dem Betonblock (10) befestigt zurückbleibt.
EP13160854.9A 2012-05-25 2013-03-25 Dichtungsprofil für Betonsegmente und sein Herstellungsverfahren Revoked EP2666959B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000025A ITPN20120025A1 (it) 2012-05-25 2012-05-25 Dispositivo di tenuta per la sigillatura di blocchi di calcestruzzo e relativo metodo di fabbricazione

Publications (2)

Publication Number Publication Date
EP2666959A1 EP2666959A1 (de) 2013-11-27
EP2666959B1 true EP2666959B1 (de) 2017-06-14

Family

ID=46262226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13160854.9A Revoked EP2666959B1 (de) 2012-05-25 2013-03-25 Dichtungsprofil für Betonsegmente und sein Herstellungsverfahren

Country Status (2)

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EP (1) EP2666959B1 (de)
IT (1) ITPN20120025A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2012765B1 (en) 2014-05-06 2016-02-23 Trelleborg Ridderkerk B V Method for producing a construction element, in particular a tunnel element, having a watertight seal.
GB201601753D0 (en) * 2016-02-01 2016-03-16 Vip Polymers Ltd Cast-in tunnel gasket and joining method
CN106523000A (zh) * 2016-12-19 2017-03-22 同济大学 一种高水压越江跨海盾构隧道管片接缝的密封结构
CN106523001A (zh) * 2016-12-19 2017-03-22 同济大学 一种高水压盾构隧道接缝防水密封结构
CN106640152A (zh) * 2016-12-26 2017-05-10 同济大学 一种城市地下管廊预制管片接缝弹性密封垫
IT201700116166A1 (it) * 2017-10-16 2019-04-16 Fama S P A Concio in calcestruzzo armato con protezione perfezionata
CN107701201A (zh) * 2017-10-30 2018-02-16 西南石油大学 一种盾构隧道管片密封垫
DE202017107155U1 (de) * 2017-11-24 2017-12-08 Dätwyler Sealing Technologies Deutschland Gmbh Dichtungsprofil zur Einbettung in ein Formteil aus aushärtbarem Material
CN109209434A (zh) * 2018-10-31 2019-01-15 上海隧道工程有限公司 预埋式管片密封垫及其预埋方法
CN110159318B (zh) * 2019-05-30 2020-10-23 东北大学 一种盾构隧道复合防水结构

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955322A (en) 1958-07-02 1960-10-11 Kaul Clay Company Apparatus for forming a liner having a resilient ring-shaped gasket anchored therein in the socket of a pipe member
DE1708690A1 (de) 1968-03-09 1971-06-03 Zueblin Ag Beton Tuebbing
FR2578480A1 (fr) 1985-03-06 1986-09-12 Phoenix Ag Moule pour la fabrication d'un tuyau a manchon
DE3624831A1 (de) 1986-07-23 1988-01-28 Muecher Hermann Gmbh Muffenschalung fuer rohre
DE3934198A1 (de) 1989-10-13 1991-04-18 Phoenix Ag Dichtungsprofil fuer tunnel-segmente
FR2684134A1 (fr) 1991-11-26 1993-05-28 Joint Francais Element prefabrique en beton tel qu'un voussoir de tunnel, joint d'etancheite pour cet element, et procede et moule de fabrication de cet element.
EP0673734A1 (de) 1994-03-24 1995-09-27 C.V. Buchan Limited Vorgefertigter Gegenstand aus Beton und Verfahren zur dessen Herstellung
US5529312A (en) 1994-02-18 1996-06-25 Press-Seal Gasket Corporation Gasket and method of casting same in a wall
US5876039A (en) 1994-02-18 1999-03-02 Press-Seal Gasket Corporation Folded gasket and method of casting same in a wall
WO1999054593A1 (de) 1998-04-20 1999-10-28 Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann Vorrichtung und verfahren zur lagestabilen befestigung eines dichtungselementes an einer schalung
EP0982472A1 (de) 1998-08-26 2000-03-01 Tarmac Heavy Building Materials UK Limited Dichtanordnung für Tunnel-Segmente
WO2001053657A1 (de) 2000-01-18 2001-07-26 Ceresola Tunnelbautechnik Ag Schalungssystem
JP2002004793A (ja) 2000-06-20 2002-01-09 Hokusei Rubber Kogyo Kk トンネルセグメント用ゴムガスケット
US20030168819A1 (en) 2001-05-30 2003-09-11 Holger Gutschmidt Seal system
US20090148658A1 (en) 2005-08-18 2009-06-11 Phoenix Dichtungstechnik Gmbh Sealing arrangement composed of different types of polymer material
EP2239416A2 (de) 2009-04-02 2010-10-13 Herold Kunststofftechnik Betontübbing und Verfahren zur Herstellung desselben

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH574023A5 (en) * 1973-07-24 1976-03-31 Schmitter Adolf Junction seal for channels or conduits - has ring expansion member anchored to one channel inflated to force ends apart

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955322A (en) 1958-07-02 1960-10-11 Kaul Clay Company Apparatus for forming a liner having a resilient ring-shaped gasket anchored therein in the socket of a pipe member
DE1708690A1 (de) 1968-03-09 1971-06-03 Zueblin Ag Beton Tuebbing
FR2578480A1 (fr) 1985-03-06 1986-09-12 Phoenix Ag Moule pour la fabrication d'un tuyau a manchon
DE3624831A1 (de) 1986-07-23 1988-01-28 Muecher Hermann Gmbh Muffenschalung fuer rohre
DE3934198A1 (de) 1989-10-13 1991-04-18 Phoenix Ag Dichtungsprofil fuer tunnel-segmente
FR2684134A1 (fr) 1991-11-26 1993-05-28 Joint Francais Element prefabrique en beton tel qu'un voussoir de tunnel, joint d'etancheite pour cet element, et procede et moule de fabrication de cet element.
US5876039A (en) 1994-02-18 1999-03-02 Press-Seal Gasket Corporation Folded gasket and method of casting same in a wall
US5529312A (en) 1994-02-18 1996-06-25 Press-Seal Gasket Corporation Gasket and method of casting same in a wall
EP0673734A1 (de) 1994-03-24 1995-09-27 C.V. Buchan Limited Vorgefertigter Gegenstand aus Beton und Verfahren zur dessen Herstellung
WO1999054593A1 (de) 1998-04-20 1999-10-28 Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann Vorrichtung und verfahren zur lagestabilen befestigung eines dichtungselementes an einer schalung
EP0982472A1 (de) 1998-08-26 2000-03-01 Tarmac Heavy Building Materials UK Limited Dichtanordnung für Tunnel-Segmente
EP0982472B1 (de) 1998-08-26 2003-03-12 Tarmac Limited Dichtanordnung für Tunnel-Segmente
WO2001053657A1 (de) 2000-01-18 2001-07-26 Ceresola Tunnelbautechnik Ag Schalungssystem
JP2002004793A (ja) 2000-06-20 2002-01-09 Hokusei Rubber Kogyo Kk トンネルセグメント用ゴムガスケット
US20030168819A1 (en) 2001-05-30 2003-09-11 Holger Gutschmidt Seal system
US20090148658A1 (en) 2005-08-18 2009-06-11 Phoenix Dichtungstechnik Gmbh Sealing arrangement composed of different types of polymer material
EP2239416A2 (de) 2009-04-02 2010-10-13 Herold Kunststofftechnik Betontübbing und Verfahren zur Herstellung desselben

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EP2666959A1 (de) 2013-11-27
ITPN20120025A1 (it) 2013-11-26

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