EP1983120B1 - Elément d'étanchéification de joints - Google Patents

Elément d'étanchéification de joints Download PDF

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Publication number
EP1983120B1
EP1983120B1 EP08007618.5A EP08007618A EP1983120B1 EP 1983120 B1 EP1983120 B1 EP 1983120B1 EP 08007618 A EP08007618 A EP 08007618A EP 1983120 B1 EP1983120 B1 EP 1983120B1
Authority
EP
European Patent Office
Prior art keywords
polymer layer
support member
utilisation
adherent polymer
adhesive
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.)
Active
Application number
EP08007618.5A
Other languages
German (de)
English (en)
Other versions
EP1983120A3 (fr
EP1983120A2 (fr
Inventor
Kogel Andreas
Claus Steinbuch
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.)
StekoX GmbH
Original Assignee
StekoX GmbH
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Filing date
Publication date
Application filed by StekoX GmbH filed Critical StekoX GmbH
Publication of EP1983120A2 publication Critical patent/EP1983120A2/fr
Publication of EP1983120A3 publication Critical patent/EP1983120A3/fr
Application granted granted Critical
Publication of EP1983120B1 publication Critical patent/EP1983120B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/6806—Waterstops
    • 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
    • E04B1/0007—Base structures; Cellars
    • 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
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/161—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with vertical and horizontal slabs, both being partially cast in situ

Definitions

  • the invention relates to the use of a carrier element as a joint sealing element for sealing a formed between two concrete sections Anlagenfuge.
  • construction joints In the manufacture of structures, for example, two successive concreting sections create so-called construction joints. Such construction joints entail the danger that they will not be reliably sealed over the life of a building, so that water can penetrate into a structure along such a construction joint. To seal such construction joints and for the production of waterproof concrete structures, these construction joints are permanently sealed by using joint sealing elements or joint plates become. These form a barrier against penetrating water and moisture, so that a seal is given.
  • a joint plate comprising a strip-shaped coating of water-swellable polymer material.
  • the swelling of the water-swellable polymer material after setting in concrete is to be delayed until the hardening of the concrete has progressed sufficiently.
  • Such joint plates are intended to seal the cracks in the working joint by swelling the polymer material.
  • a joint plate in which a coating is applied to a galvanized carrier sheet having a sealing material.
  • This sealing material consists of cement and / or calcium hydroxide.
  • a plastic dispersion is provided as adhesion promoter.
  • a seal is to be given by the fact that the cement and / or calcium hydroxide formed on the support plate in conjunction with water during concreting in a crystallization process water-insoluble calcium carbonate. This should cause a crystallization of the cracks.
  • the sealing effect depends on the formation of the water-insoluble calcium carbonate, which in turn depends on the incorporation of the sealing material in the adhesion promoter on the support.
  • a sealing tape which comprises a base strip of a cold-formable knit of synthetic or natural fiber and a moisture-permeable coating of unvulcanized and / or partially crosslinked elastomer applied to the base strip.
  • the invention has the object of developing a carrier element to the effect that a joint sealing element is formed, which allows a secure and permanent sealing of construction joints.
  • the carrier element as a joint sealing element, which comprises an adhesive polymer layer and a protective film, wherein the polymer layer is formed as an adhesive film of a UV-crosslinked polymer, allows a very simple structural design. As a result, the production of such a carrier element is inexpensive.
  • the formation of the adhesive polymer layer as the adhesive film also has the advantage that the polymer layer is made exclusively of a sticky material and is formed as an elastic film with a relatively large elongation and very good adhesive properties. Such an adhesive film may also be formed and applied by spraying, laminating, rolling or the like.
  • this adhesive polymer layer has a certain elasticity as an elastic film, so that stress can be released between the support element and the adjoining concrete surface, which additionally increases the sealing effect.
  • this polymer layer produced from a UV-crosslinked polymer forms on the one hand an elastic and, on the other hand, an aging-resistant polymer layer, in particular an adhesive polymer layer.
  • the carrier element as a joint sealing element, which has an adhesive polymer layer which is provided with acidic reactive groups and which are suitable to connect via a chemical compound at least with a contiguous to the polymer layer concrete surface, a complete and lasting sealing effect in achieved the Häfuge. Due to the presence of the acidic reactive groups on the polymer layer, adhesion is achieved during concreting of a concreting section at least between the concrete surface adjacent to the polymer layer and the surface adjacent to the polymer layer. As a result, at least in the boundary region between the polymer layer and the adjoining concrete surface a water-impermeable connection can be achieved. In addition, an at least partially elastic bond may be given by the adhesion between the polymer layer and the adjacent concrete surface.
  • the polymer layer is enriched with reactive carboxyl groups.
  • the adhesive polymer layer is produced on a polyacrylate basis.
  • a particularly suitable embodiment for a polymer layer having an adhesive or tacky surface can be provided on both sides of the polymer layer.
  • the polymer layer has a thickness of 0.1 mm to 2 mm.
  • the thickness of 0.5 mm to 1.2 mm is provided.
  • Such thicknesses allow on the one hand a low construction height and on the other hand good adhesion properties on the support element and concrete.
  • the requirements for heat aging are met by such thicknesses.
  • such a polymer layer exhibits heat aging in a period of 7 days at a temperature of 70 ° no restriction in the stickiness.
  • the adhesive polymer layer is insoluble in water and in alkaline medium. As a result, very good and durable seals can be created.
  • the adhesive polymer layer is free of butyl or free of butyl with bitumen. As a result, a simple disposal can be given.
  • the polymer layer has the advantage that no toxic properties are present.
  • the adhesive polymer layer can be processed at a temperature range of less than 5 ° C.
  • the adhesive film can be processed very well at a temperature range of -20 ° C to + 5 ° C. This is necessary in order to connect the individual sections of the joint sealing elements along a concreting section.
  • a tight joint where two adjoining joint sealing elements overlap in a joint area can be formed without preheating by gluing.
  • a heating with a gas flame is required at temperatures below 5 ° C.
  • the polymer layer is made of a foamed adhesive agent. This allows the adhesive itself to have a foamed core and an outer tacky surface.
  • the carrier element used as joint sealing element preferably has a peelable protective film, which is provided on the adhesive polymer layer and formed in two parts.
  • the joint sealing elements are usually vertically aligned on a reinforcement for a bottom plate for sealing a first concreting section introduced. So that a connection to the joint sealing element adjacent concrete surface of the first concreting section, a first strip of the protective film is peeled off. The further strip of the protective film is removed only before the introduction of the second concreting section, such as a side wall on a base plate. So that a simple and complete, especially fast removal of the strips can be done, the protective film is made of highly tear-resistant material.
  • the protective film is siliconized at least on a side facing the adhesive film or adhesive polymer layer.
  • the support element is preferably for use as joint sealing element of an untreated metallic material, such as steel, a plastic profile, a mineral material, in particular fiber cement.
  • an untreated metallic material such as steel, a plastic profile, a mineral material, in particular fiber cement.
  • galvanized steel sheets or the like can be used.
  • an inventive joint sealing element 11 is arranged in the region of a working joint 12.
  • the joint sealing element 11 is fixed on a reinforcement 14 before concreting.
  • the joint sealing element 11 is preferably arranged between a connection reinforcement 16, which is wired to the reinforcement 14.
  • a bottom plate is concreted as a first concreting section 17.
  • the second concreting section 18 is concreted, for example in the form of a wall.
  • the joint sealing element 11 seals the working joint 12 between the first and second concreting sections 17, 18.
  • This carrier element 19 is for example made of metal, plastic, of a woven or knitted fabric, of a composite material of plastic and / or metal and / or textile material and / or mineral material and / or wood educated.
  • a coating 20 is provided as a strip along the longitudinal direction of the carrier element 19. This coating 20 extends at least partially, preferably completely, over the entire width of the carrier element 19 or over the entire height of the carrier element 19.
  • the coating 20 consists of a polymer layer which, preferably formed on both sides adhesive, so that this polymer layer with a side surface the side surface of the support element 19 adheres.
  • the opposite side surface is provided with a peelable protective film 21.
  • the protective film 21 is preferably made of HDPE and has, for example, a thickness of 50 .mu.m to 400 .mu.m, in particular 100 .mu.m to 150 .mu.m. For easy stripping, at least the side of the protective film 21 facing the polymer layer is siliconized.
  • This protective film 21 is preferably formed in two parts and in particular has two strips of equal width, so that after insertion of the joint sealing element 11 on the reinforcement 14, first the lower half of the protective film 11 is peeled off to introduce the first concreting section 17. During the concreting of the first concreting section 17, a watertight connection takes place due to the inventive design of the adhesive polymer layer.
  • a connection between the polymer layer and the adjacent concrete, at least the adjacent concrete surface, via an ester group is achieved in particular in the case of a polymer layer based on acrylate, in which case water is formed as waste product and is harmless for the setting of the concrete.
  • the acylate-based polymer layer may include reactive carboxyl groups.
  • the polymer layer preferably has a thickness of between 0.1 mm to 2 mm, in particular 0.5 mm to 1.2 mm.
  • the polymer layer is elastic to a certain extent, so that stresses that occur after curing of the concrete between the carrier element 19 and the adjoining concrete surface can be reduced.
  • the adhesive polymer layer is formed as an adhesive film.
  • the adhesive film can absorb strains in the range between 0.1 mm and 0.4 mm, in which area in particular the maximum forces of adhesion are achieved.
  • the adhesive film can be both adhere to the carrier element 19 on the one hand and adhere to the adjacent concrete surface at voltages occurring in this area on the one hand.
  • the adhesive film has, for example, an adhesive tensile strength to the support element 19, which lie in a range of 0.18 N / mm 2 to 0.3 N / mm 2 .
  • the adhesive tensile strength of the coating on the concrete is, for example, in a range of 0.25 N / mm 2 to 0.4 N / mm 2 .
  • These adhesive tensile strength values were obtained for an adhesive film having a polyarcylate-based adhesive polymer layer and a film thickness of, for example, 0.8 mm.
  • the adhesive polymer layer is formed from a foamed adhesive material, so that the entire foamed adhesive is tacky and has an adhesive surface.
  • this adhesive polymer layer can be applied directly to the carrier element 19 as a belt / web material, in which the carrier element 19 and the polymer layer are driven at the same web speed and run between two pressure rollers.
  • the polymer layer may be provided as a belt / web material on a supply roll. The same applies to the carrier element 19.
  • the polymer layer is preferably provided on one side with the protective film, which is siliconized on both sides, so that a simple unrolling and sticking of the adhesive film on the support member 19 is made possible.
  • This polymer layer may be further applied by spraying, laminating, dipping or the like.
  • a granular material such as blast furnace slag, quartz sand, silicon carbide, glass, ceramic, porcelain or metallic particles are scattered and / or partially introduced.
  • this granular material is applied in a central region over the height of a joint sealing element. Towards the edge regions, the proportion of granular material increasingly decreases, so that a respective outer edge strip remains, which is formed exclusively from the adhesive polymer layer in order to achieve a good seal with the concrete surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Gasket Seals (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (12)

  1. Utilisation d'un élément support (19) à paroi mince et en forme de bande sur lequel existe au moins partiellement, au moins le long d'une face latérale de l'élément support (19) et dans la largeur dudit élément support (19), un revêtement (20) sous la forme d'une couche de polymère adhérente qui est prévue sur l'élément support (19) et dont la face opposée est recouverte d'une feuille protectrice (21), caractérisée en ce que la couche de polymère adhérente est réalisée sous forme de film adhésif et se compose d'un polymère réticulé par UV et en ce que l'élément support (19) est réalisé sous la forme d'un élément d'étanchéification de joint (11) qui est destiné à rendre étanche un joint de construction (12) formé entre deux parties bétonnées (17, 18) et lequel est noyé dans lesdites parties bétonnées (17, 18).
  2. Utilisation d'un élément support selon la revendication 1, caractérisé en ce que la couche de polymère adhérente présente des groupes réactifs acides qui sont propres à se combiner, au moins par le biais d'un composé chimique, à une surface de béton adjacente des parties bétonnées (17, 18).
  3. Utilisation d'un élément support selon la revendication 1 ou 2, caractérisée en ce que la couche de polymère adhérente est enrichie de groupes carboxyles réactifs.
  4. Utilisation d'un élément support selon la revendication 1 ou 2, caractérisée en ce que la couche de polymère adhérente est fabriquée sur une base de polyacrylate.
  5. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que la couche de polymère adhérente présente une épaisseur comprise entre 0,1 mm et 2 mm.
  6. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que la couche de polymère adhérente n'est pas soluble dans l'eau ni dans un milieu alcalin.
  7. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que la couche de polymère adhérente est exempte de butyle ou exempte de butyle contenant du bitume.
  8. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que la couche de polymère adhérente peut être travaillée dans une plage de températures inférieure à 5 °C.
  9. Utilisation d'un élément support selon l'une quelconque des revendications 1 à 8, caractérisée en ce que la couche de polymère adhérente présente un noyau expansé qui est réalisé en un matériau adhésif.
  10. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que sur la couche de polymère adhérente est prévue une feuille protectrice (21) pelliculable, en deux parties, qui présente une haute résistance à la déchirure.
  11. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que la feuille protectrice (21) présente, au moins du côté tourné vers le film adhésif, une surface siliconée.
  12. Utilisation d'un élément support selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément support (19) est fait en un matériau métallique non traité, en particulier de la tôle d'acier, ou en une matière plastique ou en un matériau support minéral.
EP08007618.5A 2007-04-20 2008-04-18 Elément d'étanchéification de joints Active EP1983120B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007019177 2007-04-20

Publications (3)

Publication Number Publication Date
EP1983120A2 EP1983120A2 (fr) 2008-10-22
EP1983120A3 EP1983120A3 (fr) 2012-07-04
EP1983120B1 true EP1983120B1 (fr) 2016-07-06

Family

ID=39673431

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08007618.5A Active EP1983120B1 (fr) 2007-04-20 2008-04-18 Elément d'étanchéification de joints

Country Status (2)

Country Link
EP (1) EP1983120B1 (fr)
DK (1) DK1983120T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009044266A1 (de) * 2009-10-16 2011-05-05 Roland Wolf Dichtelement und dessen Verwendung
CH706668B1 (de) * 2012-06-19 2016-03-31 Fischer Rista Ag Anschlussbewehrung mit Dichtungsband.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1402424A (en) * 1971-08-12 1975-08-06 Evode Ltd Sealing compositions
US4994328A (en) * 1989-08-10 1991-02-19 W. R. Grace & Co.-Conn. Waterproofing membrane
DE29710007U1 (de) 1997-06-03 1997-08-07 Technische Produkte Handelsgesellschaft mbH, 22335 Hamburg Stellblech zur Arbeitsfugenabdichtung im Betonbau
DE20301471U1 (de) * 2003-01-30 2003-04-10 Contec Bausysteme Gmbh Fugenblech mit Dichtbeschichtung
DE20311693U1 (de) * 2003-07-29 2003-10-02 Dichtec Gmbh Verformbares Dichtungsband für Bogen- und Radialabdichtungen
DE202004003189U1 (de) 2004-03-02 2004-04-29 Bpa-Gmbh Abdichteinrichtung zur Abdichtung von Arbeitsfugen

Also Published As

Publication number Publication date
EP1983120A3 (fr) 2012-07-04
DK1983120T3 (en) 2016-10-03
EP1983120A2 (fr) 2008-10-22

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