EP1283309A1 - Seal for a joint between two concrete elements - Google Patents

Seal for a joint between two concrete elements Download PDF

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Publication number
EP1283309A1
EP1283309A1 EP02015059A EP02015059A EP1283309A1 EP 1283309 A1 EP1283309 A1 EP 1283309A1 EP 02015059 A EP02015059 A EP 02015059A EP 02015059 A EP02015059 A EP 02015059A EP 1283309 A1 EP1283309 A1 EP 1283309A1
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Prior art keywords
film
adhesive
seal according
seal
joint
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German (de)
French (fr)
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EP1283309B1 (en
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Götz Tintelnot
Jan Günther
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TPH TECHNISCHE PRODUKTE HANDELSGESELLSCHAFT MBH
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TPH Technische Produkte Handelsgesellschaft mbh
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    • 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
    • E04B1/6809—Reverse side strips

Definitions

  • the invention relates to a seal for a joint between two concrete parts.
  • the vertical and horizontal joints are particularly suitable.
  • the vertical Joints usually run between two concrete wall parts.
  • horizontal Joints can be made from concrete walls on the one hand and from the concrete slab On the other hand, the bottom of a building can be limited.
  • Bituminous seals are also known. After a primer that is on dry or slightly damp, mineral-bound substrates are processed (e.g. bitumen rubber primer), a bitumen sealing membrane can be applied become. It is also known to make this web self-adhesive (see, for example, the Product Bitucoat KSK).
  • the disadvantage of this known solution is that in any case a primer is required with the primer.
  • the primer can only on a solid, stable, clean, oil and grease-free and defect-free Surface and not over gaping cracks, burrs and sharp edges be applied. This fact is a significant one in practice Restriction for joint seals based on bitumen because of their use is not independent of the weather. In Central Europe in particular, it can sensitive delays in the construction work easily occur.
  • bitumen layer must be chosen very carefully: on the one hand one would have to thin layer thickness means that the bitumen application is due could not withstand water pressure and that the layer is not sufficiently capable Bridge cracks. On the other hand, the bitumen layer must not be too thick, either otherwise the drying process (and therefore also the building process as a whole) could be slowed down. In addition, under certain circumstances, the so-called peat effect with severe cracking.
  • the invention has for its object a seal for a joint between two Form concrete slabs in such a way that the protection against ingress of water is permanent and at the same time weather-independent installation is possible.
  • This The object is achieved by a joint on both long sides outstanding elastic waterproof film solved by means of at least one Adhesive tape is attached to both concrete walls.
  • the adhesive tape consists of one that cures in moisture and on both concrete and material of the adhesive film and adhesive.
  • the invention Since no swelling pressure has to be maintained in the solution according to the invention, to ensure the effectiveness of the seal, the invention does not set high Precision processing requirements. Rather, it is a permanent one Sealing possible even with simple assembly. By one even in damp curing adhesive and sealant is used, the time of assembly regardless of the weather can be chosen, which significantly the construction planning simplified and thus also noticeably reduces costs. This advantage is added to this reinforced that a primer is not necessary because the adhesive and Sealant adheres to both concrete and the material of the film. There are therefore no restrictions when applying a primer.
  • the film consists essentially of tear-resistant rubber and / or elastomer. Through these substances can be achieved that the sealing film clings to unevenness on the base. In particular these materials can also be used when the one to be sealed Groove at an angle, such as between the base plate of the building and one on top of it installed element wall. In another advantageous embodiment the side of the film facing the adhesive and sealing compound can be stuffed. In order to can be a particularly permanent and firm connection between the film and the Achieve adhesive and sealant.
  • the life of the joint is increased if the film is advantageously weatherproof, UV light, and / or is frost-resistant.
  • the film can advantageously have a thickness of at least 0.5 mm.
  • a film width of at least 20 cm sufficient space for the adjacent to the two long sides of the joints Adhesive sheets is.
  • the adhesive and sealant can advantageously be free of solvents, isocyanates and plasticizers be as well as workable on damp and / or wet surfaces. These properties of adhesives and sealants are very rare, especially those There is no freedom from isocyanates in the usual polyurethane compositions. Indeed considerable advantages are guaranteed with such an embodiment of the adhesive. Such a mass is pasty and hardens into an elastic product. In particular, however, it can be effectively avoided that the adhesive and Sealing becomes porous and cracked over time. That the adhesive and sealant Can be processed even on moist substrates, ensures a safe and delay-free planning of construction work. Last but not least, with it considerable costs can be saved.
  • the adhesive and sealing compound can be weatherproof in the hardened state and have a high strength. These properties also increase durability and reliability of the joint seal.
  • the adhesive and sealing compound can advantageously be based on silane-modified polymers based. Such a basis is also called an MS hybrid basis.
  • This adhesive and Sealing compound has the mentioned, particularly advantageous for the invention, Properties on. In particular, it is independent of the weather and can also be used without Primer can be applied to the surfaces. Silane modified polymers adhere to both rubber and concrete and provide a UV-resistant as well extremely strong connection. It is particularly advantageous that these adhesives and sealants harden even on damp surfaces and even under water. humidity even accelerates the curing process.
  • the film is not on the two concrete walls each fastened with a separate adhesive tape, but with a single one Adhesive sheet that covers essentially the entire width of the film. So that's a particularly good hold guaranteed. At the same time, disturbing air bubbles or Air spaces between the individual adhesive sheets can be avoided.
  • the elastic waterproof films used for the invention are usually manufactured and delivered in webs. At the end of such a path leads this divides the film transversely to its longitudinal direction. Can be beneficial then an overlap of 50 to 100 mm should be provided in the joint area, whereby the adhesive web extends between the overlapping film sections can. This makes it permanent and reliable even in the overlap area Tightness achieved.
  • the seal on the pressurized water Be provided on the building side.
  • the water pressure still contributes Stability of the joint seal by adding additional force to the film Concrete slabs and presses on the joint.
  • a wall 3 is arranged on the concrete base 2 equipped with a reinforcement 1 , which in the exemplary embodiment is designed as a triple wall and consists of two prefabricated plates 4 which are arranged at a distance from one another and are connected to one another via a lattice girder 6.
  • the space 7 between the prefabricated slabs 4 is filled with in-situ concrete.
  • the concrete base 2 extends beyond the wall 3 , so that a paragraph 8 results.
  • a joint 16 is inevitably formed, which is provided with a seal according to the invention.
  • This seal consists essentially of a waterproof film 9 , the film is elastic and can therefore be easily fitted into the right-angled corner.
  • the film is attached to the concrete slabs by means of two adhesive sheets 11, 12 , which each ensure the connection between the concrete base and the wall 3 . From Fig. 1 it follows that the seal 9 is provided on the outside of the building, with the aim of retaining water on the outside, so that no water can penetrate into the interior of the building through the joints.
  • Fig. 2 the cross section through a seal for a perpendicular joint 16 is shown. Before the seal, the joint was filled with a filler 13 and thus an essentially flat surface was created.
  • the 30 cm wide sealing film 9 is attached to the two concrete walls with an adhesive sheet 15 .
  • the adhesive sheet essentially covers the entire width of the film. In this way, air bubbles inside the adhesive sheet can be avoided and a particularly permanent hold is guaranteed.
  • the thickness of the film is chosen at 1 mm so that there is high strength against mechanical loads.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)

Abstract

A seal for a seam between two concrete components, consists of an elastic, water-tight film whose edges overlap both seam edges. The film is glued to the concrete using an adhesive which hardens even when damp. The film consists of tear resistant rubber and/or elastomer. The adhesive consists of a silane modified polymer.

Description

Die Erfindung betrifft eine Dichtung für eine Fuge zwischen zwei Betonteilen. Dabei kommen insbesondere lotrechte und waagerechte Fugen in Betracht. Die lotrechten Fugen verlaufen üblicherweise zwischen zwei Wandteilen aus Beton. Waagerechte Fugen können von Betonwänden einerseits und von der als Betonplatte ausgebildeten Sohle eines Bauwerks andererseits begrenzt werden.The invention relates to a seal for a joint between two concrete parts. there vertical and horizontal joints are particularly suitable. The vertical Joints usually run between two concrete wall parts. horizontal Joints can be made from concrete walls on the one hand and from the concrete slab On the other hand, the bottom of a building can be limited.

Seit dem Aufkommen von sogenannten Elementwänden kommt der Abdichtung von Fugen zwischen Betonplatten eine besondere Bedeutung zu. Bei dieser Bautechnik werden die in Beton auszubildenden Wände nicht in einem Stück vor Ort gegossen (Ortbeton). Vielmehr werden einzelne Wandteile vorgefertigt, als Ganzes an die Baustelle angeliefert und dort miteinander verbunden. Üblicherweise bestehen diese Elementwände aus zwei begrenzenden Einzelwänden, zwischen denen sich eine Stahlarmierung zur Stabilisierung befindet. Nur der neben der Armierung verbleibende Raum wird auf der Baustelle mit Ortbeton ausgegossen. Auf diese Weise läßt sich die Bauphase äußerst zeitsparend und preisgünstig gestalten. Aufgrund der industriellen Vorfertigung besitzen die Wandflächen ein dichtes Betongefüge mit wasserundurchlässigen Eigenschaften. Schwachpunkte der Konstruktion sind allerdings die notwendigerweise entstehenden Fugen, die insbesondere lotrecht zwischen den einzelnen Elementwänden aber auch horizontal zwischen den Elementwänden und der Bauwerkssohle verbleiben. Durch die Fugen eindringendes Wasser kann sich im Laufe der Zeit in den Hohlräumen ausbreiten, die sich trotz Auffüllung durch Ortbeton noch zwischen den Einzelwänden befinden. Auf diese Weise kann es nach einiger Zeit sogar zu einer vollständigen Durchfeuchtung der gesamten Betonwand kommen.Since the advent of so-called element walls, waterproofing has come from The joints between concrete slabs are particularly important. With this construction technique the walls to be formed in concrete are not cast in one piece on site (In situ). Rather, individual wall parts are prefabricated, as a whole to the Delivered to the construction site and connected there. These usually exist Element walls consisting of two delimiting individual walls, between which there is one Steel reinforcement for stabilization. Only the one that remains next to the reinforcement Space is poured on site with in-situ concrete. In this way, the Make the construction phase extremely time-saving and inexpensive. Because of the industrial Prefabrication, the wall surfaces have a dense concrete structure waterproof properties. Construction weaknesses are however, the necessary joints, in particular vertical between the individual element walls but also horizontally between the Element walls and the structure base remain. Penetrating through the joints Water can spread over time in the cavities, which despite Filling with in-situ concrete is still between the individual walls. In this way after a while, the entire body may become completely wet Concrete wall come.

Zur Abdichtung dieser Fugen sind im wesentlichen zwei Lösungen bekannt.There are essentially two known solutions for sealing these joints.

Aus der DE 295 19 911 U1 ist ein Abdichtungssystem mit einer bentonitbeschichteten Trägerbahn und einem an den Betonwänden verankerbaren Abdeckblech bekannt, wobei die Dichtung an der mit drückendem Wasser beaufschlagten Bauwerkseite vorgesehen ist. Diese Lösung nutzt im wesentlichen die hohe Quell- und Adsorptionfähigkeit der Tonart Bentonit. Bei Beaufschlagung der Dichtung mit Wasser wird ein starker Quellvorgang eingeleitet, durch den sich eine Abdichtung der Fuge des Bauwerks erreichen läßt. Diese Lösung hat allerdings den Nachteil, daß die abdichtende Wirkung nur bei äußerst präziser Verarbeitung und bei ebenem Untergrund über einen längeren Zeitraum gewährleistet ist: Da Bentonit nicht aushärtet, ist es erforderlich, den Quelldruck in dem Raum, der von dem Abdeckblech umgrenzt wird, stetig aufrechtzuerhalten. Dies ist aber insbesondere dann nicht mehr der Fall, wenn das quellende Material beispielsweise wegen einer unpräzisen Montage unter der zwischen Abdeckblech und Betonwand verbleibenden Fuge entweichen kann. Die Aufrechterhaltung eines dauerhaften Quelldrucks wird zusätzlich erschwert, wenn ein unebener Untergrund vorliegt. Dann muß der Dichtungsraum an sämtlichen Aushöhlungen des Untergrundes gesondert mit Bentonit unterfüttert werden, was zu einer konstruktionsbedingten Ungleichmäßigkeit des Dichtungsmittels und somit zu einer zusätzlichen Fehlerquelle führt.DE 295 19 911 U1 describes a sealing system with a bentonite coating Carrier web and a cover plate that can be anchored to the concrete walls are known, the seal on the side of the building pressurized with water is provided. This solution essentially uses the high source and Adsorptivity of the bentonite clay. When water is applied to the seal a strong swelling process is initiated, through which a seal of the joint of the Building can be reached. However, this solution has the disadvantage that the sealing effect only with extremely precise processing and with level Surface is guaranteed over a longer period of time: Because bentonite is not hardens, it is necessary to reduce the swelling pressure in the space from the cover plate is bounded, to maintain constantly. However, this is no longer the case the case when the swelling material, for example, due to imprecise assembly escape under the joint remaining between the cover plate and the concrete wall can. The maintenance of a permanent source pressure is additionally difficult if there is an uneven surface. Then the sealing space must be on all Excavations in the subsurface are lined with bentonite, which leads to a design-related non-uniformity of the sealant and thus leads to an additional source of error.

Bekannt sind auch bituminöse Abdichtungen. Nach einem Voranstrich, der auf trockenen oder leicht feuchten, mineralisch gebundenen Untergründen verarbeitet wird (z. B. Bitumen-Kautschuk-Voranstrich), kann eine Bitumen-Dichtungsbahn aufgebracht werden. Es ist auch bekannt, diese Bahn selbstklebend zu gestalten (vgl. etwa das Produkt Bitucoat KSK). Nachteilig an dieser bekannten Lösung ist, daß in jedem Fall mit dem Voranstrich eine Grundierung erforderlich ist. Der Voranstrich kann lediglich auf einem festen, tragfähigen, sauberen, öl- und fettfreien sowie fehlstellenfreien Untergrund und nicht über klaffenden Rissen, Graten sowie scharfen Kanten aufgebracht werden. Dieser Umstand stellt für die Praxis eine erhebliche Einschränkung für auf Bitumen beruhende Fugendichtungen dar, da ihre Verwendung nicht unabhängig von der Witterung ist. Insbesondere in Mitteleuropa kann es dadurch leicht zu empfindlichen Verzögerungen in der Baudurchführung kommen. In jedem Fall gilt es, einen Zeitraum zu finden, in dem während Montage und Aushärtung eine trockene Witterung gewährleistet ist. Ein weiterer Nachteil dieser im Stand der Technik bekannten Lösung besteht in ihrer Anfälligkeit gegen Anwendungsfehler. Insbesondere ist die Dicke der Bitumenschicht sehr sorgfältig zu wählen: Einerseits hätte eine zu dünne Schichtstärke zur Folge, daß der Bitumenauftrag dem anstehenden Wasserdruck nicht standhalten könnte und daß die Schicht nicht ausreichend fähig ist, Risse zu überbrücken. Andererseits darf die Bitumenschicht auch nicht zu dick sein, da sonst der Durchtrocknungsprozeß (und mithin auch der Bauprozeß insgesamt) verlangsamt werden könnte. Außerdem würde dadurch unter Umständen der sogenannte Torfeffekt mit starker Rißbildung eintreten. Bituminous seals are also known. After a primer that is on dry or slightly damp, mineral-bound substrates are processed (e.g. bitumen rubber primer), a bitumen sealing membrane can be applied become. It is also known to make this web self-adhesive (see, for example, the Product Bitucoat KSK). The disadvantage of this known solution is that in any case a primer is required with the primer. The primer can only on a solid, stable, clean, oil and grease-free and defect-free Surface and not over gaping cracks, burrs and sharp edges be applied. This fact is a significant one in practice Restriction for joint seals based on bitumen because of their use is not independent of the weather. In Central Europe in particular, it can sensitive delays in the construction work easily occur. In any case It is important to find a period in which a during assembly and curing dry weather is guaranteed. Another disadvantage of this in the prior art known solution is its susceptibility to application errors. In particular the thickness of the bitumen layer must be chosen very carefully: on the one hand one would have to thin layer thickness means that the bitumen application is due Could not withstand water pressure and that the layer is not sufficiently capable Bridge cracks. On the other hand, the bitumen layer must not be too thick, either otherwise the drying process (and therefore also the building process as a whole) could be slowed down. In addition, under certain circumstances, the so-called peat effect with severe cracking.

Der Erfindung liegt die Aufgabe zugrunde, eine Dichtung für eine Fuge zwischen zwei Betonplatten so auszubilden, daß die Absicherung vor eindringendem Wasser dauerhaft ist und gleichzeitig eine witterungsunabhängige Montage möglich ist. Diese Aufgabe wird erfindungsgemäß durch eine die Fuge an beiden Längsseiten überragende elastische wasserdichte Folie gelöst, die mittels zumindest einer Klebebahn an beiden Betonwänden befestigt ist. Die Klebebahn besteht dabei aus einer bei Feuchtigkeit aushärtenden und sowohl an Beton als auch an dem Material der Folie haftenden Kleb- und Dichtmasse.The invention has for its object a seal for a joint between two Form concrete slabs in such a way that the protection against ingress of water is permanent and at the same time weather-independent installation is possible. This The object is achieved by a joint on both long sides outstanding elastic waterproof film solved by means of at least one Adhesive tape is attached to both concrete walls. The adhesive tape consists of one that cures in moisture and on both concrete and material of the adhesive film and adhesive.

Da bei der erfindungsgemäßen Lösung kein Quelldruck aufrechterhalten werden muß, um die Wirksamkeit der Dichtung zu gewährleisten, stellt die Erfindung keine hohen Anforderungen an die Präzision der Verarbeitung. Mit ihr ist vielmehr eine dauerhafte Dichtung auch bei einfacher Montage möglich. Indem eine auch bei Feuchtigkeit aushärtenden Kleb- und Dichtmasse verwendet wird, kann der Montagezeitpunkt unabhängig von der Witterung gewählt werden, was die Bauplanung erheblich vereinfacht und somit auch die Kosten spürbar senkt. Dieser Vorteil wird noch dadurch verstärkt, daß eine Grundierung nicht erforderlich ist, da die verwendete Kleb- und Dichtmasse sowohl an Beton als auch an dem Material der Folie haftend ist. Restriktionen beim Aufbringen einer Grundierung sind daher nicht zu beachten.Since no swelling pressure has to be maintained in the solution according to the invention, to ensure the effectiveness of the seal, the invention does not set high Precision processing requirements. Rather, it is a permanent one Sealing possible even with simple assembly. By one even in damp curing adhesive and sealant is used, the time of assembly regardless of the weather can be chosen, which significantly the construction planning simplified and thus also noticeably reduces costs. This advantage is added to this reinforced that a primer is not necessary because the adhesive and Sealant adheres to both concrete and the material of the film. There are therefore no restrictions when applying a primer.

In einer vorteilhaften Ausführungsform besteht die Folie im wesentlichem aus reißfestem Gummi und/oder Elastomer. Durch diese Stoffe kann erreicht werden, daß sich die Dichtungsfolie an Unebenheiten auf der Unterlage anschmiegt. Insbesondere können diese Materialien auch dann Verwendung finden, wenn sich die abzudichtende Fuge in einem Winkel, etwa zwischen der Bodenplatte des Gebäudes und einer darauf aufgestellten Elementwand, befindet. In einer anderen vorteilhaften Ausführungsform kann die der Kleb- und Dichtmasse zugewandte Seite der Folie gestofft sein. Damit läßt sich eine besonders dauerhafte und feste Verbindung zwischen der Folie und der Kleb- und Dichtmasse erzielen.In an advantageous embodiment, the film consists essentially of tear-resistant rubber and / or elastomer. Through these substances can be achieved that the sealing film clings to unevenness on the base. In particular these materials can also be used when the one to be sealed Groove at an angle, such as between the base plate of the building and one on top of it installed element wall. In another advantageous embodiment the side of the film facing the adhesive and sealing compound can be stuffed. In order to can be a particularly permanent and firm connection between the film and the Achieve adhesive and sealant.

Die Lebensdauer der Fuge wird erhöht, wenn die Folie vorteilhaft witterungs-, UV-Licht-, und/oder frostbeständig ist.The life of the joint is increased if the film is advantageously weatherproof, UV light, and / or is frost-resistant.

Damit die Festigkeit der Folie gegenüber mechanischen Belastungen, beispielsweise während der Montage oder während des Auffüllens der Baugrube, gewährleistet ist, kann die Folie vorteilhaft eine Dicke von mindestens 0,5 mm aufweisen. Je nach Breite der Fuge ist es vorteilhaft, eine Folienbreite von mindestens 20 cm zu wählen, damit angrenzend an die beiden Längsseiten der Fugen ausreichend Platz für die Klebebahnen ist.So that the strength of the film against mechanical loads, for example during assembly or while filling the construction pit, the film can advantageously have a thickness of at least 0.5 mm. Depending on the width the joint, it is advantageous to choose a film width of at least 20 cm sufficient space for the adjacent to the two long sides of the joints Adhesive sheets is.

Vorteilhaft kann die Kleb- und Dichtmasse lösemittel-, isocyanat- und weichmacherfrei sein sowie auch bei feuchten und/oder nassen Untergründen zu verarbeiten sein. Diese Eigenschaften von Kleb- und Dichtmassen sind sehr selten, insbesondere die Isocyanatfreiheit ist bei den üblichen Polyurethanmassen nicht gegeben. Allerdings sind mit einer solchen Ausführung der Klebmasse erhebliche Vorteile gewährleistet. Eine solche Masse ist pastös und härtet zu einem elastischen Produkt aus. Insbesondere aber läßt sich damit wirkungsvoll vermeiden, daß die Kleb- und Dichtverbindung im Laufe der Zeit porös und rissig wird. Daß die Kleb- und Dichtmasse auch bei feuchten Untergründen zu verarbeiten ist, gewährleistet eine sichere und verzögerungsfreie Planung der Baudurchführung. Nicht zuletzt können damit erhebliche Kosten eingespart werden.The adhesive and sealant can advantageously be free of solvents, isocyanates and plasticizers be as well as workable on damp and / or wet surfaces. These properties of adhesives and sealants are very rare, especially those There is no freedom from isocyanates in the usual polyurethane compositions. Indeed considerable advantages are guaranteed with such an embodiment of the adhesive. Such a mass is pasty and hardens into an elastic product. In particular, however, it can be effectively avoided that the adhesive and Sealing becomes porous and cracked over time. That the adhesive and sealant Can be processed even on moist substrates, ensures a safe and delay-free planning of construction work. Last but not least, with it considerable costs can be saved.

Die Kleb- und Dichtmasse kann im ausgehärtetem Zustand witterungsfest sein und eine hohe Festigkeit aufweisen. Auch diese Eigenschaften steigern die Dauerhaftigkeit und Zuverlässigkeit der Fugendichtung.The adhesive and sealing compound can be weatherproof in the hardened state and have a high strength. These properties also increase durability and reliability of the joint seal.

Die Kleb- und Dichtmasse kann vorteilhaft auf der Basis silanmodifizierter Polymere beruhen. Eine solche Basis wird auch MS-Hybrid-Basis genannt. Diese Kleb- und Dichtmasse weist die genannten, für die Erfindung besonders vorteilhaften, Eigenschaften auf. Sie ist insbesondere witterungsunabhängig und kann auch ohne Grundierung auf die Oberflächen aufgebracht werden. Silanmodifizierte Polymere haften sowohl an Gummi als auch an Beton und liefern eine UV-beständige sowie äußerst feste Verbindung. Besonders vorteilhaft ist, daß diese Kleb- und Dichtmassen auch auf feuchtem Untergrund und sogar unter Wasser aushärten. Feuchtigkeit beschleunigt sogar noch den Vorgang der Aushärtung.The adhesive and sealing compound can advantageously be based on silane-modified polymers based. Such a basis is also called an MS hybrid basis. This adhesive and Sealing compound has the mentioned, particularly advantageous for the invention, Properties on. In particular, it is independent of the weather and can also be used without Primer can be applied to the surfaces. Silane modified polymers adhere to both rubber and concrete and provide a UV-resistant as well extremely strong connection. It is particularly advantageous that these adhesives and sealants harden even on damp surfaces and even under water. humidity even accelerates the curing process.

In einer vorteilhaften Ausführungsform ist die Folie an den beiden Betonwänden nicht jeweils mit einer gesonderten Klebebahn befestigt, sondern mittels einer einzigen Klebebahn, die im wesentlichen die gesamte Breite der Folie überstreicht. Damit ist ein besonders guter Halt gewährleistet. Gleichzeitig können störende Luftblasen oder Lufträume zwischen den einzelnen Klebebahnen vermieden werden. In an advantageous embodiment, the film is not on the two concrete walls each fastened with a separate adhesive tape, but with a single one Adhesive sheet that covers essentially the entire width of the film. So that's a particularly good hold guaranteed. At the same time, disturbing air bubbles or Air spaces between the individual adhesive sheets can be avoided.

Die für die Erfindung verwendeten elastischen wasserdichten Folien werden üblicherweise in Bahnen hergestellt und geliefert. Am Ende einer solchen Bahn führt dies zu einer Unterteilung der Folie transversal zu ihrer Längsrichtung. Vorteilhaft kann dann im Stoßbereich eine Überlappung von 50 bis 100 mm vorgesehen sein, wobei sich die Klebebahn zwischen den sich überlappenden Folienabschnitten erstrecken kann. Damit wird auch in dem Überlappungsbereich eine dauerhafte und zuverlässige Dichtigkeit erreicht.The elastic waterproof films used for the invention are usually manufactured and delivered in webs. At the end of such a path leads this divides the film transversely to its longitudinal direction. Can be beneficial then an overlap of 50 to 100 mm should be provided in the joint area, whereby the adhesive web extends between the overlapping film sections can. This makes it permanent and reliable even in the overlap area Tightness achieved.

Vorteilhaft kann die Dichtung an der mit drückendem Wasser beaufschlagtem Bauwerkseite vorgesehen sein. Der Wasserdruck trägt in diesem Falle noch zur Stabilität der Fugendichtung bei, indem er die Folie mit zusätzlicher Kraft auf die Betonplatten und auf die Fuge preßt.Advantageously, the seal on the pressurized water Be provided on the building side. In this case, the water pressure still contributes Stability of the joint seal by adding additional force to the film Concrete slabs and presses on the joint.

Die Erfindung wird im folgendem beispielhaft anhand zweier Zeichnungen näher erläutert.

  • Fig. 1 zeigt den Querschnitt durch eine waagerechte Fuge zwischen einer Betonsohle und einer aufstehenden Betonwand.
  • Fig. 2 zeigt den Querschnitt durch eine Dichtung für eine lotrechte Fuge zwischen zwei Betonwänden.
    • The invention is explained in the following by way of example with reference to two drawings.
  • Fig. 1 shows the cross section through a horizontal joint between a concrete base and an upstanding concrete wall.
  • Fig. 2 shows the cross section through a seal for a vertical joint between two concrete walls.

    • Auf der mit einer Bewehrung 1 ausgerüsteten Betonsohle 2 ist eine Wand 3 angeordnet, die in dem Ausführungsbeispiel als Dreifachwand ausgebildet ist und aus zwei Fertigplatten 4 besteht, die in Abstand voneinander angeordnet sind und über einen Gitterträger 6 miteinander verbunden sind. Der Zwischenraum 7 zwischen den Fertigplatten 4 wird mit Ortbeton verfüllt. Die Betonsohle 2 erstreckt sich über die Wand 3 hinaus, so daß sich ein Absatz 8 ergibt. An dieser Stelle entsteht zwangsläufig eine Fuge 16, die mit eine erfindungsgemäße Dichtung versehen ist. Diese Dichtung besteht im wesentlichen aus einer wasserdichten Folie 9, die Folie elastisch ist und somit leicht in die rechtwinklige Ecke eingepaßt werden kann. Die Befestigung der Folie an die Betonplatten geschieht mittels zweier Klebebahnen 11, 12, die jeweils die Verbindung zwischen der Betonsohle und der Wand 3 gewährleisten. Aus der Fig. 1 ergibt sich, daß die Dichtung 9 an der Außenseite des Bauwerks vorgesehen ist, mit dem Ziel, Wasser schon an der Außenseite zurückzuhalten, so daß durch die Fugen zwischen den Bauwerksteilen kein Wasser in das Bauwerksinnere eindringen kann. A wall 3 is arranged on the concrete base 2 equipped with a reinforcement 1 , which in the exemplary embodiment is designed as a triple wall and consists of two prefabricated plates 4 which are arranged at a distance from one another and are connected to one another via a lattice girder 6. The space 7 between the prefabricated slabs 4 is filled with in-situ concrete. The concrete base 2 extends beyond the wall 3 , so that a paragraph 8 results. At this point, a joint 16 is inevitably formed, which is provided with a seal according to the invention. This seal consists essentially of a waterproof film 9 , the film is elastic and can therefore be easily fitted into the right-angled corner. The film is attached to the concrete slabs by means of two adhesive sheets 11, 12 , which each ensure the connection between the concrete base and the wall 3 . From Fig. 1 it follows that the seal 9 is provided on the outside of the building, with the aim of retaining water on the outside, so that no water can penetrate into the interior of the building through the joints.

    Befindet sich um das Bauwerk herum drückendes Wasser, so erhöht sich bei dieser Anordnung zusätzlich der Anpressdruck der Folie, was Festigkeit der Verbindung und Dauerhaftigkeit der dichtenden Verbindung noch zusätzlich verbessert.If there is pressing water around the building, this increases Arrangement additionally the contact pressure of the film, which strength of the connection and Durability of the sealing connection is further improved.

    In Fig. 2 ist der Querschnitt durch eine Dichtung für eine lotrecht verlaufende Fuge 16 dargestellt. Vor der Abdichtung wurde die Fuge mit einer Spachtelmasse 13 angefüllt und somit eine im wesentlichen plane Oberfläche geschaffen. Die 30 cm breite dichtende Folie 9 ist mit einer Klebebahn 15 an den beiden Betonwänden befestigt. Dabei überstreicht die Klebebahn im wesentlichen die gesamte Breite der Folie. So können Luftblasen im Inneren der Klebebahn vermeiden werden und ein besonders dauerhafter Halt ist gewährleistet. Die Dicke der Folie ist mit 1 mm so gewählt, daß eine hohe Festigkeit gegen mechanische Belastungen gegeben ist.In Fig. 2 the cross section through a seal for a perpendicular joint 16 is shown. Before the seal, the joint was filled with a filler 13 and thus an essentially flat surface was created. The 30 cm wide sealing film 9 is attached to the two concrete walls with an adhesive sheet 15 . The adhesive sheet essentially covers the entire width of the film. In this way, air bubbles inside the adhesive sheet can be avoided and a particularly permanent hold is guaranteed. The thickness of the film is chosen at 1 mm so that there is high strength against mechanical loads.

    Claims (11)

    Dichtung für eine Fuge zwischen zwei Betonteilen, gekennzeichnet durch eine die Fuge an beiden Längsseiten überragende elastische wasserdichte Folie, die mittels zumindest einer Verklebung an beiden Betonteilen befestigt ist, wobei die Verklebung aus einer bei Feuchtigkeit aushärtenden und sowohl an Beton als auch an dem Material der Folie haftenden Kleb- und Dichtmasse besteht.Seal for a joint between two concrete parts, characterized by an elastic waterproof film which projects beyond the joint on both long sides and is attached to both concrete parts by means of at least one adhesive bond, the adhesive bond being made of a moisture-curing material and of both concrete and the material of the Foil adhesive and sealing compound. Dichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Folie im wesentlichen aus reißfestem Gummi und/oder Elastomer besteht.Seal according to claim 1, characterized in that the film consists essentially of tear-resistant rubber and / or elastomer. Dichtung nach Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die der Klebund Dichtmasse zugewandte Seite der Folie gestofft ist.Seal according to claims 1 or 2, characterized in that the side of the film facing the adhesive and sealing compound is stuffed. Dichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Folie witterungs-, UV-Licht- und/oder frostbeständig ist.Seal according to one of claims 1 to 3, characterized in that the film is weather, UV light and / or frost resistant. Dichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Folie eine Dicke von mindestens 0,5 mm und eine Breite von mindestens 20 cm aufweist.Seal according to one of claims 1 to 4, characterized in that the film has a thickness of at least 0.5 mm and a width of at least 20 cm. Dichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Kleb- und Dichtmasse lösemittel-, isocyanat- und weichmacherfrei ist sowie auch bei feuchten und/oder nassen Untergründen zu verarbeiten ist.Seal according to one of claims 1 to 5, characterized in that the adhesive and sealing compound is free of solvents, isocyanates and plasticizers and can also be processed on moist and / or wet substrates. Dichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Kleb- und Dichtmasse im ausgehärteten Zustand witterungsfest ist und eine hohe Festigkeit aufweist.Seal according to one of claims 1 to 6, characterized in that the adhesive and sealing compound in the hardened state is weatherproof and has a high strength. Dichtung nach Anspruch 6 und 7, dadurch gekennzeichnet, daß die Kleb- und Dichtmasse auf der Basis silanmodifizierter Polymere (MS-Hybrid-Basis) beruht.Seal according to claim 6 and 7, characterized in that the adhesive and sealing compound is based on silane-modified polymers (MS hybrid base). Dichtung nach einem der Ansprüche 1 bis 8, gekennzeichnet durch eine einzige im wesentlichen die gesamte Breite der Folie überstreichende Verklebung. Seal according to one of claims 1 to 8, characterized by a single adhesive covering substantially the entire width of the film. Dichtung nach einem der Ansprüche 1 bis 9 mit einer Folie, die transversal zu ihrer Längsrichtung unterteilt ist, dadurch gekennzeichnet, und daß im Stoßbereich eine Überlappung der Folienabschnitte von 50 bis 100 mm vorgesehen ist, wobei sich die Verklebung zwischen die sich überlappenden Folienabschnitte erstreckt.Seal according to one of claims 1 to 9 with a film which is divided transversely to its longitudinal direction, characterized in that there is an overlap of the film sections of 50 to 100 mm in the joint area, the adhesive extending between the overlapping film sections. Dichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Dichtung an der mit drückendem Wasser beaufschlagten Bauwerksseite vorgesehen ist.Seal according to one of claims 1 to 10, characterized in that the seal is provided on the side of the building which is pressurized with water.
    EP02015059A 2001-08-06 2002-07-05 Seal for a joint between two concrete elements Revoked EP1283309B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE20112729U DE20112729U1 (en) 2001-08-06 2001-08-06 Seal for a joint between two concrete parts
    DE20112729U 2001-08-06

    Publications (2)

    Publication Number Publication Date
    EP1283309A1 true EP1283309A1 (en) 2003-02-12
    EP1283309B1 EP1283309B1 (en) 2006-05-24

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    EP02015059A Revoked EP1283309B1 (en) 2001-08-06 2002-07-05 Seal for a joint between two concrete elements

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    EP (1) EP1283309B1 (en)
    AT (1) ATE327390T1 (en)
    DE (2) DE20112729U1 (en)

    Cited By (2)

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    Publication number Priority date Publication date Assignee Title
    EP1905911A1 (en) * 2006-09-29 2008-04-02 Btf Produktionsentwicklungs- und Vertriebs- GmbH Seal for watertight concrete cellars
    US9493914B2 (en) 2013-05-02 2016-11-15 Denso-Holding Gmbh & Co. Traffic surface construction comprising at least one intermediate layer

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102011117555A1 (en) 2011-11-03 2013-05-08 Wilhelm Wohlsecker Method for multi-level joint protection system for wall elements made of precast concrete elements

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    EP0217968A1 (en) * 1985-09-05 1987-04-15 Hans Grünbauer Flexible sealing strip
    CH674749A5 (en) * 1988-01-28 1990-07-13 Huber+Suhner Ag Sealing tape - for structural joints made of specified material with adhesive strips
    CH682246A5 (en) * 1990-10-05 1993-08-13 Huber+Suhner Ag Sealing strip for seam in building structure - is made of elastic material and is provided at least on one side with fibre material
    DE29519911U1 (en) * 1995-12-15 1996-02-01 Contec Bauwerksabdichtungen GmbH, 32130 Enger Seal for a joint between two concrete walls
    DE29521668U1 (en) * 1995-03-08 1998-02-12 Norega Anstalt, Schaan Composite sealing material
    US6011112A (en) * 1995-09-29 2000-01-04 Wacker-Chemie Gmbh Organopolysiloxane compounds cross-linkable by cleaving of alcohols to form elastomers

    Patent Citations (6)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0217968A1 (en) * 1985-09-05 1987-04-15 Hans Grünbauer Flexible sealing strip
    CH674749A5 (en) * 1988-01-28 1990-07-13 Huber+Suhner Ag Sealing tape - for structural joints made of specified material with adhesive strips
    CH682246A5 (en) * 1990-10-05 1993-08-13 Huber+Suhner Ag Sealing strip for seam in building structure - is made of elastic material and is provided at least on one side with fibre material
    DE29521668U1 (en) * 1995-03-08 1998-02-12 Norega Anstalt, Schaan Composite sealing material
    US6011112A (en) * 1995-09-29 2000-01-04 Wacker-Chemie Gmbh Organopolysiloxane compounds cross-linkable by cleaving of alcohols to form elastomers
    DE29519911U1 (en) * 1995-12-15 1996-02-01 Contec Bauwerksabdichtungen GmbH, 32130 Enger Seal for a joint between two concrete walls

    Cited By (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1905911A1 (en) * 2006-09-29 2008-04-02 Btf Produktionsentwicklungs- und Vertriebs- GmbH Seal for watertight concrete cellars
    US9493914B2 (en) 2013-05-02 2016-11-15 Denso-Holding Gmbh & Co. Traffic surface construction comprising at least one intermediate layer
    USRE47777E1 (en) 2013-05-02 2019-12-24 Denso-Holding Gmbh & Co Traffic surface construction comprising at least one intermediate layer

    Also Published As

    Publication number Publication date
    ATE327390T1 (en) 2006-06-15
    EP1283309B1 (en) 2006-05-24
    DE20112729U1 (en) 2002-02-14
    DE50206863D1 (en) 2006-06-29

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