EP1608824A1 - Mittel und verfahren zur dichtung von betonkonstruktionsverbindungen und verfahren zur herstellung derartiger dichtungsmittel - Google Patents

Mittel und verfahren zur dichtung von betonkonstruktionsverbindungen und verfahren zur herstellung derartiger dichtungsmittel

Info

Publication number
EP1608824A1
EP1608824A1 EP03816126A EP03816126A EP1608824A1 EP 1608824 A1 EP1608824 A1 EP 1608824A1 EP 03816126 A EP03816126 A EP 03816126A EP 03816126 A EP03816126 A EP 03816126A EP 1608824 A1 EP1608824 A1 EP 1608824A1
Authority
EP
European Patent Office
Prior art keywords
sealing
expansible
bentonite
rubber
sealing strip
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.)
Granted
Application number
EP03816126A
Other languages
English (en)
French (fr)
Other versions
EP1608824B1 (de
Inventor
Herman De Neef
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1608824A1 publication Critical patent/EP1608824A1/de
Application granted granted Critical
Publication of EP1608824B1 publication Critical patent/EP1608824B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6816—Porous tubular seals for injecting sealing material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B2001/6818—Joints with swellable parts

Definitions

  • New means and method for sealing concrete construction joints and method for manufacturing such new sealing means are
  • the invention relates to a "system” (a method / combination of means) for sealing concrete construction joints.
  • Concrete constructions in particular concrete constructions consisting of several concrete parts with construction joints between the individual parts, are currently made impervious (protected against the infiltration of water and other liquids / fluids) by sealing the cavities, interstices and slits in the concrete construction, in particular the joints between the concrete parts.
  • This sealing is for instance achieved by placing expansible sealing strips into said cavities, joints, interstices, slits and the like.
  • expansible sealing strips are currently known of two different types, namely water expansible sealing strips consisting of expansible rubber material, such as bentonite rubber, which swells in contact with water, and strips of micro-porous injection tubes which can be post injected with cement and/or resin compositions, in order to expand the strip and fill the cavities.
  • water expansible sealing strips consisting of expansible rubber material, such as bentonite rubber, which swells in contact with water
  • micro-porous injection tubes which can be post injected with cement and/or resin compositions
  • the invention provides means for sealing concrete construction joints comprising an expansible sealing strip, which means constitute a sealing strip which is both water expansible and expansible by injection of concrete or the like into a cavity of said sealing strip.
  • the new sealing means may in particular constitute an expansible sealing strip involving a combination of an expansible outer skin based on "bentonite rubber” (filled rubber composition made of synthetic rubber and bentonite) which swells to a maximum of 400% in contact with water but does not dissolve in water and an inner injection tube (within the bentonite rubber skin) for injecting resin dispersions (such as acrylate dispersions) and/or micro-fine cements, for providing additional expansion in places where the space to be sealed is larger than the swelling capacity of the bentonite rubber element.
  • bentonite rubber filled rubber composition made of synthetic rubber and bentonite
  • the inner injection tube may, in particular, have a micro-porous, open structure, consisting for instance of a filtrating membrane.
  • the sealing means may in particular involve a three layer composite product made up of : a bentonite rubber outer skin; an inner reinforcement metal (in particular steel) wire spiral (preventing the collapse of the expansion tube and hence the blockage of the injection channel); a filtrating membrane between the reinforcement spiral and the bentonite rubber outer skin (preventing the silting up of the injection channel due to swelling of the bentonite rubber into the inner tube).
  • the invention also provides a method for sealing concrete construction joints involving placing an expansible sealing strip in concrete constructions joints, in which a sealing strip / sealing strips is / are used which is / are both water expansible and expansible by injection of cement and/or resin compositions into a cavity of said sealing strip.
  • sealing strips corresponding to the preferred sealing means according to the invention, disclosed here above.
  • the invention finally also provides a method for manufacturing sealing means comprising a strip which is water expansible and expansible by injection of cement and/or resin compositions, by producing a composite comprising a filtrating membrane and a bentonite rubber skin, or a composite comprising a reinforcement spiral, a filtrating membrane and a bentonite rubber skin.
  • the manufacturing method involves the extrusion of a bentonite rubber layer onto a micro-porous injection tube (possibly reinforced, for instance by means of a metal (steel) wire spiral), well known in itself.
  • a micro-porous injection tube possibly reinforced, for instance by means of a metal (steel) wire spiral
  • the sealing means according to the invention thus provide a combination of a hydrophilic bentonite strip and a post-injectable injection tube constituting a single system for sealing construction joints in concrete.
  • the sealing means according to the invention are designed for secure sealing of construction joints, cold joints and working joints, where there is a deficiency in the concrete works.
  • the sealing means are ideally suited for concrete constructions with limited wall thicknesses.
  • the sealing means according to the invention can be used to replace combinations of two or more passive construction joint sealing systems.
  • sealing means according to the invention in particular the preferred sealing means as set forth here above, provide two combined actions / effects in one single system :
  • the system can be injected at any given time under low pressure; sealing effect will happen in those places where the contact area was larger than the total swelling capacity of the bentonite rubber element (leading to local leakage, e.g. so called honeycombing); the injection tube has an open structure over its full length and can in particular be injected with resins / acrylates, such as those commercialised by the company “de neef - conchem” and / or with micro-fine cements.
  • the sealing means according to the invention are simple and quick to install.
  • the injection of resins / cements (such as in particular "Bento-ject" injection compositions commercialised by the company "de neef - conchem”) into the sealing means according to the invention can be performed at any time after their installation.
  • the sealing means and sealing method according to the invention can very appropriately be applied in combination with "Bento-ject" wire mesh profile and/or placed on irregular cold joints and construction joints in combination with “Bentostic” levelling mastic, both commercialised by the company "de neef - conchem”.
  • sealing means and the sealing method according to the invention are essentially applied in a similar way as known, state of the art, expansible sealing means, using procedures and conditions well known per se in the art and to the skilled art worker.
  • Figure 1 represents a view, in perspective, of a piece of sealing strip according to the invention
  • Figure 2 represents a view, in cross-section, of a sealing strip according to the invention
  • the sealing strips shown in the figures, indicated by reference numeral 1 comprise : an inner reinforcement metal (in particular steel) wire spiral - 2 - (preventing the collapse of the expansion tube and hence the blockage of the injection channel); a bentonite rubber outer skin - 4 - made of natural sodium bentonite and synthetic rubber; this outer skin swells in contact with penetrating water and will thus seal hair line cracks and small voids in the joint; a filtrating membrane - 3 - between the reinforcement spiral - 2 - and the bentonite rubber outer skin - 4 - (preventing the silting up of the injection channel due to swelling of the bentonite rubber into the inner tube).
  • the sealing strip represented in the figures as example shows a diameter of the total strip - 1 - of approximately 16 mm, an outer diameter of the spiral - 2 - of approximately 8 mm, and a thickness of the bentonite rubber skin - 4 - of approximately 4 mm, as well as the following technical date / properties :

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Sealing Material Composition (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
EP03816126A 2003-03-05 2003-03-05 Mittel und verfahren zur dichtung von betonkonstruktionsverbindungen und verfahren zur herstellung derartiger dichtungsmittel Expired - Lifetime EP1608824B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BE2003/000039 WO2004079114A1 (en) 2003-03-05 2003-03-05 Means and method for sealing concrete construction joints and method for manufacturing such sealing means

Publications (2)

Publication Number Publication Date
EP1608824A1 true EP1608824A1 (de) 2005-12-28
EP1608824B1 EP1608824B1 (de) 2007-06-13

Family

ID=32932083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03816126A Expired - Lifetime EP1608824B1 (de) 2003-03-05 2003-03-05 Mittel und verfahren zur dichtung von betonkonstruktionsverbindungen und verfahren zur herstellung derartiger dichtungsmittel

Country Status (7)

Country Link
US (1) US20060196126A1 (de)
EP (1) EP1608824B1 (de)
AT (1) ATE364761T1 (de)
AU (1) AU2003209863A1 (de)
DE (1) DE60314463T2 (de)
ES (1) ES2289369T3 (de)
WO (1) WO2004079114A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017123429A1 (de) 2017-10-09 2019-04-11 Grohe Ag Ventilanordnung und Sanitäranlage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8490707B2 (en) 2011-01-11 2013-07-23 Schlumberger Technology Corporation Oilfield apparatus and method comprising swellable elastomers

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH643623A5 (de) * 1980-03-05 1984-06-15 Aquarius Fuer Dichte Bauten Ag Schlauchartige dichtungsvorrichtung fuer betonfugen.
CA1145131A (en) * 1980-04-05 1983-04-26 Hajime Yamaji Aqueously-swelling water stopper and a process of stopping water thereby
US4366284A (en) * 1980-10-17 1982-12-28 Hayakawa Rubber Company Limited Aqueously-swelling water stopper and a process of stopping water thereby
DE8300766U1 (de) * 1983-01-13 1983-06-16 Koob, Kunibert, Ing.(grad.), 4234 Alpen Injektionsschlauch fuer arbeitsfiguren an betonbauwerken
DE8335231U1 (de) * 1983-12-08 1984-03-08 De Neef Chemie S.A. N.V., 3100 Heist o/d Berg Betonfugen-Dichtungsvorrichtung
DE3400654A1 (de) * 1984-01-11 1985-07-18 Kunibert Ing.(grad.) 4234 Alpen Koob Injektionsschlauch
DE3512470C2 (de) * 1985-04-04 1996-01-04 Kunibert Ing Grad Koob Injektionsschlauch für Arbeitsfugen an Betonbauwerken
US5290045A (en) * 1991-03-01 1994-03-01 C.I. Kasei Co., Ltd. Seal for joint, and method of installing same seal
IS3749A7 (is) * 1991-03-01 1992-09-02 C.I. Kasei Co. Ltd. Þétting á samskeyti og aðferð við að koma þéttingunni fyrir
DE4140616C2 (de) * 1991-12-10 2000-01-13 Hiendl Heribert Injektionsschlauch
DE4314302A1 (de) * 1993-02-03 1994-08-11 Betonbau Zubehoer Handel Injektionsschlauch für Arbeitsfugen an Betonbauwerken
DE19625209A1 (de) * 1996-06-25 1998-01-02 Sika Ag Injektionsschlauch und Verfahren zu dessen Herstellung
EP0831107A1 (de) * 1996-09-24 1998-03-25 Sika AG, vorm. Kaspar Winkler & Co. Wasserquellbarer Dichtstoff
EP1012417B1 (de) * 1997-09-11 2002-04-10 Betomax Kunststoff- und Metallwarenfabrik GmbH. & Co. KG. Verpressschlauch zum herstellen von wasserundurchlässigen oder nur gering wasserdurchlässigen, gasdichten und/oder kraftschlüssigen bauwerksfugen und verfahren zu seiner herstellung
DE19900520A1 (de) * 1999-01-08 2000-07-27 Sika Ag, Vormals Kaspar Winkler & Co Dichtungsband zur Fugenabdichtung in Betonbauwerken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004079114A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017123429A1 (de) 2017-10-09 2019-04-11 Grohe Ag Ventilanordnung und Sanitäranlage

Also Published As

Publication number Publication date
DE60314463D1 (de) 2007-07-26
WO2004079114A1 (en) 2004-09-16
US20060196126A1 (en) 2006-09-07
ES2289369T3 (es) 2008-02-01
ATE364761T1 (de) 2007-07-15
EP1608824B1 (de) 2007-06-13
AU2003209863A1 (en) 2004-09-28
DE60314463T2 (de) 2008-02-21

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