EP0760885B1 - Contraction joint rail - Google Patents

Contraction joint rail Download PDF

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Publication number
EP0760885B1
EP0760885B1 EP95924318A EP95924318A EP0760885B1 EP 0760885 B1 EP0760885 B1 EP 0760885B1 EP 95924318 A EP95924318 A EP 95924318A EP 95924318 A EP95924318 A EP 95924318A EP 0760885 B1 EP0760885 B1 EP 0760885B1
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EP
European Patent Office
Prior art keywords
rail
slat
predetermined crack
injection channel
crack joint
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.)
Expired - Lifetime
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EP95924318A
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German (de)
French (fr)
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EP0760885A1 (en
Inventor
René P. SCHMID
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.)
Rascor Spezialbau GmbH
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Rascor Spezialbau GmbH
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Publication of EP0760885A1 publication Critical patent/EP0760885A1/en
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/16—Arrangement or construction of joints in foundation structures
    • 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

Definitions

  • the invention relates to a predetermined crack joint rail.
  • Joint sealing pipes used which are made of a tubular Joint tape and a rigid PVC stiffening pipe.
  • the tubular joint tape will be in transition with one the floor plate is welded to the wall horizontally running joint tape, so that a waterproof impervious layer arises.
  • joint sealing tube is not on the surface of the base plate can be placed on which the wall is concreted, otherwise Penetrate water in the longitudinal direction of the joint seal space can.
  • predetermined crack joint rails consist of plate-shaped hollow or solid elements with several in the longitudinal direction extending chambers are formed. These rails point a certain strength to order on a longitudinal narrow side to be able to accommodate a swelling tape in a groove.
  • the source tape is also on the narrow side of the rail lying on the floor applied to a seal in the joint between floor slab and the wall to be concreted. This at the swelling sealing tape provided on the lower narrow side of the rail is then in the longitudinal direction of the joint between the floor slab and the swelling sealing tapes running along the wall to be concreted to connect, creating a conventional seal of the entire joint area reached with the help of the swelling tape becomes.
  • Rails with hollow chambers are made Made of plastic. Furthermore, either very strong swelling bands must be used be used to ensure a secure seal which in turn increases the cost of the predetermined crack joint rail or only allows a limited sealability, which is local high water pressures are not sufficient. A subsequent seal Such predetermined crack joints sealed with swelling tapes either be done only from the outside or is extreme complex if you want to re-seal the rail itself. The concrete wall must then be broken up or it can be used a very expensive point injection procedure to be carried out from the outside be sealed locally.
  • the swelling tape used swells under the influence of water.
  • the swelling agent is a hydrophilic mass contained in a carrier, mostly chloroprene rubber, is embedded.
  • the carrier primarily has the task of providing the swelling agent with stability and elasticity to rent.
  • the hydrophilic (water absorbing) component absorbs water molecules and thereby increases their volume around 1.5 to about 4 times. This creates a pressure of up to 6.5 bar, which fills the surrounding cavities and is therefore impermeable to water should do.
  • swelling agents it must be taken into account that the swelling mass does not suddenly change, but slowly expands over hours or days and consequently only limited in changing areas with wet and dry periods can be used.
  • sealing devices for sealing a between two concrete sections existing joint known one Form a channel through which an injection agent enters the joint area is injected under high pressure and seals it.
  • a hose which consists of a Support body in the form of a coil spring, which is made by a first, braided hose, which in turn is surrounded by an outer, mesh-like porous tube is included.
  • this sealing device and concreting the second concreting section is a sealing material in the hose-like sealing device pressed to the flaws the concrete should leak.
  • Such a hose is one relatively complicated device to manufacture.
  • DE 86 08 396 U1 is a further sealing device known in the form of an injection hose, the one hand the disadvantages when positioning the hose by am Hose body intended to fix tabs and on the other hand a predetermined breaking point in the longitudinal direction of the tubular body proposes through which the sealing material in the Concrete should leak.
  • the sealing device represents a significant advance compared to conventional hoses, but is not intended for use in predetermined crack joints, because on one already finished concrete surface of the floor slab one-sided open profile is placed to form the injection channel.
  • predetermined crack joints however, they become the predetermined crack joint generating devices concreted from both sides, so that such a one-sided open profile with would fill concrete.
  • This joint rail points over conventional ones without an injection channel trained joint rails in the event of a subsequent Sealing on a clear cost advantage.
  • the formation of the injection channel is expensive because of a hollow Channel is provided with a specially shaped sealing strip is closed.
  • Two injection channels are necessary, which increases security the sealing process increases the cost of such a joint rail but rise accordingly.
  • a simpler variant of a joint rail with double-sided Sealing comes from DE 41 40 616 A1, in particular from Fig. 4, forth.
  • This joint rail is on one side with a Injection channel formed and points to that of the injection channel a swelling tape on the opposite side.
  • the injection channel and the swelling tape here are back to back on the joint rail arranged.
  • a joint plate is described in DE 93 15 974 U1 to which an injection hose is attached.
  • the injection hose lies roughly centered on an unbroken joint plate wall and is in a free space between the joint sheet wall and a breakthrough facing wall.
  • the invention is therefore based on the object of a simple, Inexpensive joint rail for creating predetermined crack joints create a secure seal that can also be retrofitted the predetermined crack joint enables.
  • the task is carried out by a predetermined crack joint rail with the features of claim 1 solved.
  • a device By providing a strip-shaped rail slat with an attached device forming an injection channel, which extends over the entire length of the rail slat extends, a device is created which is used for the production a predetermined crack is suitable and a subsequent sealing by injecting a sealing material into the injection channel allows.
  • the perforation allows a joint rail with two Foam strips or injection hoses forming injection channels on opposite sides in the area of Perforation are arranged that the cross-sectional area of the Injection channels is reduced because the two injection channels communicate through the perforation, and a local impairment of a channel through the parallel on the other side of the grooved injection channel can be aligned.
  • the predetermined crack joint rail according to the invention consists of an approximately strip-shaped rail slat 1 and at least one on it attached device forming an injection channel, the extends over the entire length of the rail slat 1.
  • the rail slat 1 is preferably sheet-like, i.e. that they are made of a thin-walled, sheet-like material exists that has a certain inherent rigidity like a sheet.
  • the strip-shaped rail slat 1 has two long ones lateral longitudinal edges 1a, an upper and lower transverse edge 1b and two rail slat surfaces delimited by the edges 1a, 1b 1c on.
  • the device forming the injection channel 2 can be a conventional one Injection channel or from a sealing device with an open, hood-shaped cross section Profile exist, which with the free longitudinal edges of its side areas arranged on the rail slat surface 1c is.
  • An injection channel can be particularly advantageous as one 2 forming device from a foam strip 12 an open-cell or open-cell foam his.
  • the rail slat 1 preferably has a width slightly smaller than the wall thickness of the wall to be concreted, so that it with a distance of 1 to a few centimeters from the outer wall surface can be concreted.
  • the cross section can also be in Combination with those from the outside on the wall surface Triangular strips can be reduced.
  • the length of the rail slat 1 should correspond approximately to the height of the wall, so that the rail slat 1 before concreting onto the floor section 3 one Bottom plate can be set up and up to the upper limit the wall to be concreted.
  • the foam 12 is preferably approximately rectangular Cross-section, the cross-sectional area of which is selected in this way the foam should pass through the adjacent concrete for injection material cannot be pressed together impermeably and it's not supposed to be too big to handle the injection material keep the volume to be filled small. With injection channels with too large a cross section there is also the risk that larger ones Leaks not sufficient, the tightness ensuring Pressure build up when injecting the sealing material can.
  • the foam 12 is preferably an open-cell foam, which consists of a rigid plastic material, so that the foam 12 has a certain inherent stiffness.
  • the rail slat 1 is with a perforation 5 in Provide the contact area with the foam 12 so that the injected Penetrate sealing material through the rail batten 1 can.
  • foam strips 12 are provided be so that there are 1 injection channels on both sides of the sheet 2 form.
  • the two foam strips 12 do not have to communicate with each other, but a perforation 5 in Sheet 1 between the foam strips enables pressure equalization when injecting the sealing material and allows the cross-sectional area or the thickness of the foam strips choose lower because of a local impairment a foam strip 12 through the parallel Channel on the other side of the sheet to be balanced can.
  • the foam strip (s) 12 are preferred arranged centrally on the rail slat surfaces 1c.
  • the device forming the injection channel 2 can also be used one of the lateral longitudinal edges 1a of the rail slat 1 is arranged be, but here the injection channel 2 is placed close to the wall surface, so the danger there is that the injection material from the wall in a short way emerges so that no pressure ensuring the tightness is built up can be.
  • the rail slat 1 is a thin-walled element made of plastic or can be formed from metal.
  • the connection between the foam strip 12 and the rail slat 1 is preferably made by gluing.
  • the rail slat 1 is either a plate-shaped element (Fig. 1 and 2) or can also with a contour (Fig. 3 and 4) be provided to partially support the foam strip 12 therein or record completely. Due to its contour, the rail crossbar has 1 has greater stiffness and provides the foam a protection against the adjacent concrete Pressure of the wall 4, since the side flanks or the side surfaces 8 of the foam and one of the two parallel to the joint Surfaces 9 of the foam 12 encased by the sheet 1 are. This area of the sheet encasing the foam 12 1 has a perforation 5 on one or all of them three side walls surrounding the foam 12 are provided can be.
  • the assembly of the predetermined crack joint rail is carried out by introducing the predetermined crack joint rail into a formwork area a wall to be concreted.
  • the predetermined crack joint rail is here on the concrete slab on which the wall is concreted to be set up, with the rail slat 1 approximately vertical to the side surfaces of the wall to be concreted 4 should stand.
  • the sealing material in the sealing channel formed by the foam strip 12 injected, which is then in the setting process forming crack gap fills well. Injecting the sealing material can be done if on the wall 4 with the a further section was introduced into the predetermined crack joint rail 11 has been applied, the injection channel 2 upwards seals off.
  • the injection channel 2 is then drilled from the outside and sealing material is injected through the bore 10 (Fig. 9). If the foam strip 12 ends open at the top, can an injection hose is placed on top of the foam strip be, the open end of the foam strip 2 um the injection tube is to be sealed around so that the injection material can be injected under pressure.
  • the predetermined crack joint rail according to the invention can also advantageously with a rail batten 1 and attached to it Foam strips 12 in connection with a swelling tape 6 are used (Fig. 5 and 6).
  • the swelling band 6 is at least on one side, preferably on both sides of the Rail batten 1 or on the lateral longitudinal edge 1a of the rail batten 1 to be attached over the entire length of the rail slat. After completion it shows whether the swelling tape is the necessary one Tightness in the predetermined crack joint 7 guaranteed. Should this be the case may be a subsequent injection of a sealing material to be dispensed with. However, should still be later Leaks can occur at any time by drilling of the injection channel 2 sealing material are injected and the leaky predetermined crack joint are sealed.
  • the afterthought The sealing material is injected by drilling into the Injection channel and injection of the sealing material. Through the There is therefore no risk of using source tapes because the. Tightness can be restored at any time can. This also allows source tapes to be relatively low Use starch, which is adequate in most cases Offer tightness. This will reduce the cost of using it of the relatively expensive source tapes kept within bounds, what related with the inexpensive compared to the source tape Foam provides an overall inexpensive solution to the problem without the risk of a leaking predetermined crack joint, which cannot be sealed afterwards.
  • FIG. 7 Another advantageous embodiment is a rail slat 1, which has a hollow injection channel 2, which is completely with two side and a front and rear wall 16, 17, 18, 19 of the rail batten 1 is surrounded and the sealing material releases to the outside via a perforation 5 (FIGS. 7 and 8).
  • the hollow injection channel 2 can either be with a foam strip 12 or the openings of the perforation 5 can by a non-woven or foam material or the like, which is permeable to sealing material, against penetration be sealed by concrete during the concreting process.
  • the Openings of the perforation 5 can also on the side surfaces of the Injection channel 2 may be introduced, the arrangement and Size according to the sealing materials and the used Concrete can be selected.
  • Exit sealing material on both sides of the rail batten 1 can, to ensure that the injection process the predetermined crack joint is completely sealed.
  • Injection hose as the device forming the injection channel be used.
  • two injection hoses on both sides of the rail slat use or form the holes of the perforation as elongated holes, so that there is sufficient passage through the rail slat the sealing material is taken care of.
  • an injection hose 13 on a rail slat 1 can also preferably an injection hose can be used, which consists of a tubular section 14 and a band-shaped base 15 exists, the base 15 on the area of the perforation 5 the rail slat 1 is applied (Fig. 10 and 11).
  • the base 15 is provided with outlet openings for the sealing material.
  • FIG. 12 shows a further embodiment of the invention Sollriß joint rail shown in cross section.
  • the rail slat 1 of this predetermined crack joint rail is symmetrical formed around a transverse center axis 20.
  • the Rail batten 1 In the middle of the Rail batten 1 is the device for forming an injection channel arranged, which is divided into three areas a central hollow channel 2a and two lateral, one each Partial area 2b of the foam strip forming the injection channel 12.
  • the hollow channel 2a has a rectangular cross section on and is of two side walls 21 and a ceiling and Bottom wall 22, 23 limited.
  • the side walls 21 are with a small distance apart, which is about the material thickness of the sheet-like material of the rail slat 1 corresponds.
  • the top and bottom walls 22, 23 extend on both Pages beyond the side walls 21, so that the ceiling and Bottom wall 22, 23 with the side walls 21 laterally forms open grooves for receiving the foam strips.
  • Both side walls 21 are openings for a perforation 5 provided so that the hollow channel 2a with the foam strips 12 communicates.
  • the openings can be in the side walls 21 may be arranged offset, so that the in Fig. 12 shown cross section of the rail slat 1 only in the right side wall 21 through an opening of the perforation 5 extends.
  • the rail slat is used to stiffen the predetermined crack joint rail 1 provided with stiffening webs 24, each by vertical connected to the rail slat surfaces 1c, over the entire length of the rail slat 1 extending webs formed are.
  • the stiffening webs 24 also cause an extension of the Waterway in a predetermined crack, so that not only the Stiffness of the rail slat 1 is improved, but also a better tightness is achieved.

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Abstract

Contraction joint rail for fitting in a wall (4) to be concreted and the use of such a rail which consists of a strip-like bar (1) with a device fitted to it forming an injection channel (2) extending over the length of the bar (1). The bar (1) may consist of a thin-walled plastic component, sheet zinc or the like. The device forming the injection channel (2) may be a foam strip (12) applied to the bar (1). The bar (1) may be fitted on both sides with a device forming an injection channel (2) and/or have perforations (5) permitting the penetration of a sealing material. The contraction joint rail of the invention is applied to an area of the wall (4) to be concreted and extends over the entire heigh of the wall (4), whereby after the wall (4) has been concreted, sealing material is sprayed into the injection channel (2) thus formed.

Description

Die Erfindung betrifft eine Sollriß-Fugenschiene.The invention relates to a predetermined crack joint rail.

Beim Betonieren längerer durchgehender Wandstücke entstehen aufgrund des Schrumpfens des Betons beim Abbinden Risse, die zu Undichtigkeiten in der Wand führen können. Deshalb werden, insbesondere bei Wänden, an denen Wasser ansteht, an bestimmten Stellen durch das Einbringen von Elementen, die den Mauerquerschnitt verringern, Sollrisse erzeugt. Die Risse werden durch die rißerzeugenden Elemente abgedichtet, so daß die Dichtheit der Wand gewährleistet ist.When concreting longer continuous wall pieces arise due to the shrinkage of the concrete when setting cracks, which too Leaks in the wall can result. Therefore, in particular on walls with water on certain ones Make by introducing elements that cross the wall reduce, cracks generated. The cracks are through the crack-generating elements sealed, so that the tightness the wall is guaranteed.

Herkömmlicherweise werden zur Erzeugung derartiger Sollriß-Fugen Fugendichtungsrohre verwendet, die aus einem schlauchförmigen Fugenband und einem Hart-PVC-Aussteifungsrohr bestehen.Conventionally, to create such predetermined crack joints Joint sealing pipes used, which are made of a tubular Joint tape and a rigid PVC stiffening pipe.

Durch die Montage der Fugendichtungsrohre im Zentrum einer Wand und gleichzeitigem Anbringen von Dreikantleisten auf der Innen- und Außenseite wird der Querschnitt der Wand gezielt geschwächt. Dadurch werden die Schwindrisse örtlich abgegrenzt und durch das Fugenband abgedichtet.By installing the joint sealing pipes in the center of a wall and simultaneous attachment of triangular strips on the inside and On the outside, the cross-section of the wall is deliberately weakened. As a result, the shrinkage cracks are delimited locally and by Joint tape sealed.

Das schlauchförmige Fugenband wird dabei mit einem im Übergang der Bodenplatte zur Wand horizontal verlaufenden Fugenband verschweißt, so daß eine wasserundurchlässige elastische Schicht entsteht.The tubular joint tape will be in transition with one the floor plate is welded to the wall horizontally running joint tape, so that a waterproof impervious layer arises.

Bei dieser Art von Fugendichtungsrohren ist es nachteilig, daß das Fugendichtungsrohr nicht auf die Oberfläche der Bodenplatte gesetzt werden kann, auf die die Wand betoniert wird, da sonst Wasser in Längsrichtung des Fugendichtungsraumes eindringen kann.With this type of joint sealing pipes, it is disadvantageous that the joint sealing tube is not on the surface of the base plate can be placed on which the wall is concreted, otherwise Penetrate water in the longitudinal direction of the joint seal space can.

Ferner sind Sollriß-Fugenschienen bekannt, die aus plattenförmigen hohlen oder vollen Elementen mit mehreren in Längsrichtung verlaufenden Kammern ausgebildet sind. Diese Schienen weisen eine gewisse Stärke auf, um an einer längsverlaufenden Schmalseite ein Quellband in einer Nut aufnehmen zu können. Das Quellband wird auch an der am Boden liegenden Schmalseite der Schiene aufgebracht, um eine Abdichtung in der Fuge zwischen Bodenplatte und der zu betonierenden Wand sicherzustellen. Dieses an der unteren Schmalseite der Schiene vorgesehene Quelldichtungsband ist dann mit weiteren in Längsrichtung der Fuge zwischen Bodenplatte und der zu betonierenden Wand verlaufenden Quelldichtungsbänder zu verbinden, wodurch eine herkömmliche Abdichtung des gesamten Fugenbereichs mit Hilfe des Quellbandes erreicht wird.Furthermore, predetermined crack joint rails are known, which consist of plate-shaped hollow or solid elements with several in the longitudinal direction extending chambers are formed. These rails point a certain strength to order on a longitudinal narrow side to be able to accommodate a swelling tape in a groove. The source tape is also on the narrow side of the rail lying on the floor applied to a seal in the joint between floor slab and the wall to be concreted. This at the swelling sealing tape provided on the lower narrow side of the rail is then in the longitudinal direction of the joint between the floor slab and the swelling sealing tapes running along the wall to be concreted to connect, creating a conventional seal of the entire joint area reached with the help of the swelling tape becomes.

Die hierbei verwendeten. Schienen mit Hohlkammern werden aus Kunststoff gefertigt. Ferner müssen entweder sehr starke Quellbänder verwendet werden, um eine sichere Abdichtung zu gewährleisten, was wiederum die Kosten der Sollriß-Fugenschiene erhöht oder nur eine begrenzte Dichtfähigkeit zuläßt, was bei lokal hohen Wasserdrücken nicht genügt. Eine nachträgliche Abdichtung derartiger mit Quellbänder abgedichteten Sollriß-Fugen kann entweder nur von außen durchgeführt werden oder ist äußerst aufwendig, wenn an der Schiene selbst nachgedichtet werden soll. Die Betonwand muß dann aufgebrochen werden oder sie kann mit einem von außen durchzuführenden, aber sehr aufwendigen Punktinjektionsverfahren lokal abgedichtet werden.The used here. Rails with hollow chambers are made Made of plastic. Furthermore, either very strong swelling bands must be used be used to ensure a secure seal which in turn increases the cost of the predetermined crack joint rail or only allows a limited sealability, which is local high water pressures are not sufficient. A subsequent seal Such predetermined crack joints sealed with swelling tapes either be done only from the outside or is extreme complex if you want to re-seal the rail itself. The concrete wall must then be broken up or it can be used a very expensive point injection procedure to be carried out from the outside be sealed locally.

Das dabei verwendete Quellband quillt unter Wassereinfluß auf. Das Quellmittel ist eine hydrophile Masse, die in einem Trägerstoff, meist Chlorpren-Gummi, eingebettet ist. Der Trägerstoff hat vor allem die Aufgabe, dem Quellmittel Stabilität und Elastizität zu verleihen. Die hydrophile (wassersaugende) Komponente nimmt Wassermoleküle auf und vergrößert dadurch ihr Volumen um das 1,5 bis ca. 4-fache. Dabei entsteht ein Druck bis zu 6,5 bar, der die umgebenden Hohlräume ausfüllt und dadurch wasserundurchlässig machen soll. Bei Verwendung derartiger Quellmittel ist zu berücksichtigen, daß sich die Quellmasse nicht plötzlich, sondern über Stunden oder Tage langsam ausdehnt und demzufolge in Wechselbereichen mit nassen und trockenen Perioden nur beschränkt verwendet werden kann. Ein markanter Vorteil von Quellmittel, weshalb sie häufig eingesetzt werden, liegt in deren Möglichkeit, Fugen zwischen unterschiedlichen Materialien, wie z.B. Beton/Kunststoff, Beton/Eisen usw., zuverlässig abzudichten.The swelling tape used swells under the influence of water. The swelling agent is a hydrophilic mass contained in a carrier, mostly chloroprene rubber, is embedded. The carrier primarily has the task of providing the swelling agent with stability and elasticity to rent. The hydrophilic (water absorbing) component absorbs water molecules and thereby increases their volume around 1.5 to about 4 times. This creates a pressure of up to 6.5 bar, which fills the surrounding cavities and is therefore impermeable to water should do. When using such swelling agents it must be taken into account that the swelling mass does not suddenly change, but slowly expands over hours or days and consequently only limited in changing areas with wet and dry periods can be used. A striking advantage of swelling agents, why they are used frequently lies in theirs Possibility of joints between different materials, such as e.g. Concrete / plastic, concrete / iron etc., to seal reliably.

Ferner sind Dichtungsvorrichtungen zum Abdichten einer zwischen zwei Betonierabschnitten bestehenden Fuge bekannt, die einen Kanal bilden, durch den ein Injektionsmittel in den Fugenbereich unter hohem Druck eingespritzt wird und ihn abdichtet.Furthermore, sealing devices for sealing a between two concrete sections existing joint known one Form a channel through which an injection agent enters the joint area is injected under high pressure and seals it.

In der CH-PS 600 077 ist ein Schlauch beschrieben, der aus einem Stützkörper in Form einer Schraubenfeder besteht, der von einem ersten, geflochtenen Schlauch umgeben ist, welcher wiederum von einem äußeren, netzartigen porösen Schlauch umfaßt ist. Nach dem Montieren dieser Dichtungsvorrichtung und dem Betonieren des zweiten Betonierabschnittes wird ein Dichtungsmaterial in die schlauchartige Dichtungsvorrichtung gepreßt, die an Fehlstellen des Betons austreten soll. Ein derartiger Schlauch ist eine relativ kompliziert herzustellende Vorrichtung.In CH-PS 600 077 a hose is described which consists of a Support body in the form of a coil spring, which is made by a first, braided hose, which in turn is surrounded by an outer, mesh-like porous tube is included. After this Assemble this sealing device and concreting the second concreting section is a sealing material in the hose-like sealing device pressed to the flaws the concrete should leak. Such a hose is one relatively complicated device to manufacture.

Um einen derartigen porösen Schlauch besser vor Verstopfen durch Betonschlämme zu schützen, wird in DE 83 35 231 U1 vorgeschlagen, zwischen dem Stützkörper in Form einer Schraubenfeder und dem äußeren netzwerkartigen Schlauch ein non-woven-Material einzubringen, welches flüssigkeitsdurchlässig, aber für feine Betonteilchen undurchlässig ist.To better prevent such a porous tube from clogging Protecting concrete sludge is proposed in DE 83 35 231 U1, between the support body in the form of a coil spring and the outer network-like tube is a non-woven material to introduce, which is permeable to liquid, but for fine Concrete particles is impermeable.

Schließlich ist aus dem DE 86 08 396 U1 eine weitere Dichtungsvorrichtung in Form eines Injektionsschlauchs bekannt, die einerseits die Nachteile beim Positionieren des Schlauchs durch am Schlauchkörper vorgesehene Laschen beheben will und andererseits eine Sollbruchstelle in Längsrichtung des schlauchartigen Körpers vorschlägt, durch welches das Dichtungsmaterial in den Beton austreten soll.Finally, DE 86 08 396 U1 is a further sealing device known in the form of an injection hose, the one hand the disadvantages when positioning the hose by am Hose body intended to fix tabs and on the other hand a predetermined breaking point in the longitudinal direction of the tubular body proposes through which the sealing material in the Concrete should leak.

Der Aufbau dieser Schläuche wird mit der fortschreitenden Entwicklung immer komplizierter und aufwendiger, womit auch deren Kosten steigen. Zusätzlich besteht die Gefahr, daß diese Schläuche beim Betonieren verquetscht werden, so daß das Einspritzen von Injektionsmaterial beschwerlich ist.The construction of these hoses will continue with the development more and more complicated and elaborate, with which theirs The costs are increasing. In addition, there is a risk that this Hoses are crushed when concreting, so that the injection of injection material is arduous.

Deshalb wurde in der EP 0 418 699 A1 eine Dichtungsvorrichtung vorgeschlagen, die aus einem im Querschnitt offenen, haubenförmig ausgebildeten Profil besteht, welches mit den freien Längskanten seiner Seitenbereiche auf einer Betonoberfläche aufsitzend montiert wird, so daß ein Durchflußkanal für ein Dichtungsmaterial zwischen dem Profil und der Betonoberfläche gebildet wird. Das Dichtungsmaterial wird unter hohem Druck in den Durchflußkanal eingeführt und tritt zwischen den freien Längskanten des Profils und der Betonoberfläche an Fehlstellen des Betons aus. Eine weitere darin beschriebene Dichtungsvorrichtung besteht aus einem Körper, der aus einem Durchgangsporen aufweisenden Schaumstoff bzw. Schaumstoffband vorzugsweise mit rechteckigem Querschnitt besteht, welcher auf der Betonoberfläche aufliegend montiert wird, so daß der Durchflußkanal für ein Dichtungsmaterial durch den Körper selbst gebildet wird, wobei das Dichtungsmaterial aus den Durchgangsporen in den Fugenbereich austritt.This is why a sealing device was described in EP 0 418 699 A1 proposed that of an open in cross-section, hood-shaped trained profile, which with the free longitudinal edges its side areas sitting on a concrete surface is mounted so that a flow channel for a sealing material formed between the profile and the concrete surface becomes. The sealing material is under high pressure in the flow channel introduced and occurs between the free longitudinal edges of the profile and the concrete surface at imperfections of the concrete out. Another sealing device described therein exists from a body that has a through-pores Foam or foam tape, preferably with a rectangular one Cross-section exists, which lies on the concrete surface is mounted so that the flow channel for a sealing material is formed by the body itself, the sealing material emerges from the passage pores into the joint area.

Die Dichtungsvorrichtung stellt zwar einen erheblichen Fortschritt gegenüber den herkömmlichen Schläuchen dar, ist aber nicht für die Verwendung in Sollriß-Fugen gedacht, da auf einer schon fertigen Betonoberfläche der Bodenplatte ein einseitiges offenes Profil aufgelegt wird, um den Injektionskanal zu bilden. Bei der Erzeugung von Sollriß-Fugen werden jedoch die die Sollriß-Fuge erzeugenden Vorrichtungen von beiden Seiten zubetoniert, so daß sich ein derartiges einseitig offenes Profil mit Beton füllen würde.The sealing device represents a significant advance compared to conventional hoses, but is not intended for use in predetermined crack joints, because on one already finished concrete surface of the floor slab one-sided open profile is placed to form the injection channel. When creating predetermined crack joints, however, they become the predetermined crack joint generating devices concreted from both sides, so that such a one-sided open profile with Would fill concrete.

Aus dem DE 93 20 134 U1 ist eine injizierbare Fugenschiene zum Abdichten von Sollriß-Fugen bekannt, die die Merkmale des Oberbegriffes des Anspruchs 1 aufweist. Diese Fugenschiene ist mit beidseitig angeordneten Rippen ausgebildet und besteht aus einem extrudierten Profilstrang, der im Mittelteil in Längsrichtung mindestens einen integrierten Durchgangskanal aufweist. Als Austrittsöffnung weist dieser Durchgangskanal einen in Längsrichtung verlaufenden Schlitz auf, der mit einem formschlüssig eingebetteten Dichtungsstreifen verschlossen ist. Der Dichtungsstreifen öffnet sich beim Injizieren einer Injektionsflüssigkeit ventilartig, so daß die Injektionsflüssigkeit aus dem Injektionskanal austreten kann.DE 93 20 134 U1 describes an injectable joint rail for Sealing of cracked joints known which has the features of the preamble of claim 1. This joint rail is with ribs arranged on both sides and consists of a extruded profile strand, the middle part in the longitudinal direction has at least one integrated through-channel. As This through-channel has an outlet opening in the longitudinal direction running slot on that with a positive embedded sealing strip is closed. The weather strip opens when an injection liquid is injected valve-like, so that the injection liquid from the injection channel can leak.

Diese Fugenschiene weist gegenüber herkömmlichen, ohne Injektionskanal ausgebildeten Fugenschienen im Falle einer nachträglichen Abdichtung einen deutlichen Kostenvorteil auf. Jedoch ist die Ausbildung des Injektionskanals aufwendig, da ein hohler Kanal vorgesehen wird, der mit einem speziell geformten Dichtungsstreifen verschlossen ist. Zum beidseitigen Abdichten sind zwei Injektionskanäle notwendig, wodurch sich zwar die Sicherheit beim Abdichtvorgang erhöht, die Kosten einer solchen Fugenschiene aber entsprechend steigen.This joint rail points over conventional ones without an injection channel trained joint rails in the event of a subsequent Sealing on a clear cost advantage. However is the formation of the injection channel is expensive because of a hollow Channel is provided with a specially shaped sealing strip is closed. For sealing on both sides Two injection channels are necessary, which increases security the sealing process increases the cost of such a joint rail but rise accordingly.

Eine einfachere Variante einer Fugenschiene mit beidseitiger Abdichtung geht aus der DE 41 40 616 A1, insbesondere aus Fig. 4, hervor. Diese Fugenschiene ist auf einer Seite mit einem Injektionskanal ausgebildet und weist auf der vom Injektionskanal abgewandten Seite ein Quellband auf. Der Injektionskanal und das Quellband sind hierbei Rücken an Rücken an der Fugenschiene angeordnet.A simpler variant of a joint rail with double-sided Sealing comes from DE 41 40 616 A1, in particular from Fig. 4, forth. This joint rail is on one side with a Injection channel formed and points to that of the injection channel a swelling tape on the opposite side. The injection channel and the swelling tape here are back to back on the joint rail arranged.

Ferner ist im DE 93 15 974 U1 ein Fugenblech beschrieben, an das ein Injektionsschlauch befestigt ist. Der Injektionsschlauch liegt etwa quermittig auf einer undurchbrochenen Fugenblechwandung auf und ist in einem Freiraum zwischen der Fugenblechwandung und einer Durchbrüche aufweisenden Vorsatzwandung untergebracht. Furthermore, a joint plate is described in DE 93 15 974 U1 to which an injection hose is attached. The injection hose lies roughly centered on an unbroken joint plate wall and is in a free space between the joint sheet wall and a breakthrough facing wall.

Der Stand der Technik läßt sich somit dahingehend zusammenfassen, daß es Fugenschienen zum Abdichten von Sollriß-Fugen gibt, diese auch eine sichere Abdichtung gewährleisten, insbesondere, wenn sie auf beiden Seiten Injektionskanäle aufweisen. Wird die Ausgestaltung der Fugenschiene vereinfacht, so werden hierdurch zwar die Kosten der Fugenschiene gesenkt, jedoch nimmt die Sicherheit, mit der die Sollriß-Fuge abgedichtet wird, ab.The prior art can thus be summarized as follows: that there are joint rails for sealing predetermined crack joints, these also ensure a secure seal, in particular, if they have injection channels on both sides. Will the Design of the joint rail simplified, this will the cost of the joint rail is reduced, but the safety with which the predetermined crack joint is sealed.

Es gibt eine Vielzahl von kostengünstigen, einfachen Ausführungsformen von Fugenschienen, die jedoch nur an einer einzigen Seite einen Injektionskanal aufweisen und deshalb nur einseitig mittels eines Injektionsmittel abdichten.There are a variety of inexpensive, simple embodiments of joint rails, but only on one Side have an injection channel and therefore only one side seal with an injection agent.

Diese Vielzahl von einfachen Ausführungsformen zeigt, daß ein beträchtlicher Bedarf nach einfachen, kostengünstigen Fugenschienen für Sollriß-Fugen besteht, die zugleich eine hohe Sicherheit beim Abdichten mittels eines Injektionsmittels gewährleisten.This multitude of simple embodiments shows that a considerable need for simple, inexpensive joint rails for predetermined crack joints, which is also a high level of security ensure when sealing with an injection agent.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine einfache, kostengünstige Fugenschiene zum Erzeugen von Sollriß-Fugen zu schaffen, die eine sichere, auch nachträglich ausführbare Abdichtung der Sollriß-Fuge ermöglicht.The invention is therefore based on the object of a simple, Inexpensive joint rail for creating predetermined crack joints create a secure seal that can also be retrofitted the predetermined crack joint enables.

Die Aufgabe wird durch eine Sollriß-Fugenschiene mit den Merkmalen des Anspruches 1 gelöst.The task is carried out by a predetermined crack joint rail with the features of claim 1 solved.

Durch das Vorsehen einer streifenförmigen Schienenlatte mit einer daran angebrachten, einen Injektionskanal bildenden Einrichtung, die sich über die gesamte Länge der Schienenlatte erstreckt, wird eine Vorrichtung geschaffen, die zur Erzeugung eines Sollrisses geeignet ist und eine nachträgliche Abdichtung durch Einspritzen eines Dichtmaterials in den Injektionskanal zuläßt. By providing a strip-shaped rail slat with an attached device forming an injection channel, which extends over the entire length of the rail slat extends, a device is created which is used for the production a predetermined crack is suitable and a subsequent sealing by injecting a sealing material into the injection channel allows.

Da in die Schienenlatte im Kontaktbereich der einen Injektionskanal bildenden Einrichtung eine Perforation eingebracht ist, kann mit der erfindungsgemäßen Sollriß-Fugenschiene auf beiden Seiten der Fugenlatte Injektionsmittel in die angrenzenden Betonabschnitte eingebracht werden, selbst wenn die Fugenschiene nur einen einzigen Injektionskanal aufweist. Hierdurch wird die Sicherheit einer nachträglichen Abdichtung bei einfacherer Ausführungsweise wesentlich erhöht.Because in the rail crossbar in the contact area of an injection channel perforating device is introduced, can with the predetermined crack joint rail according to the invention on both Sides of the grout injectable into the adjacent concrete sections be introduced even if the joint rail has only a single injection channel. This will make the Security of a subsequent sealing with a simpler design significantly increased.

Ferner erlaubt die Perforation bei einer Fugenschiene mit zwei Injektionskanäle bildenden Schaumstoffstreifen bzw. Injektionsschläuchen die auf gegenüberliegenden Seiten im Bereich der Perforation angeordnet sind, daß die Querschnittsfläche der Injektionskanäle verringert wird, da die beiden Injektionskanäle über die Perforation kommunizieren, und eine lokale Funktionsbeeinträchtigung eines Kanals durch den parallel verlaufenden, auf der anderen Seite der Fugenlatte angeordneten Injektionskanal ausgerichtet werden kann. Furthermore, the perforation allows a joint rail with two Foam strips or injection hoses forming injection channels on opposite sides in the area of Perforation are arranged that the cross-sectional area of the Injection channels is reduced because the two injection channels communicate through the perforation, and a local impairment of a channel through the parallel on the other side of the grooved injection channel can be aligned.

Vorteilhafte Ausgestaltungen der Erfindung gehen aus der Beschreibung und den Unteransprüchen hervor.Advantageous refinements of the invention emerge from the description and the dependent claims.

Die Erfindung wird anhand der Zeichnungen näher beispielhaft beschrieben. Es zeigen:

Fig. 1
eine erste Ausführungsform der erfindungsgemäßen Vorrichtung;
Fig. 2
die erste Ausführungsform aus Fig. 1 im Querschnitt;
Fig. 3
eine zweite Ausführungsform der erfindungsgemäßen Vorrichtung;
Fig. 4
die zweite Ausführungsform aus Fig. 3 im Querschnitt;
Fig. 5
eine Ausführungsform mit Quellband;
Fig. 6
die Ausführungsform aus Fig. 5 im Querschnitt;
Fig. 7
eine Ausführungsform mit hohlem Injektionskanal;
Fig. 8
die Ausführungsform aus Fig. 7 im Querschnitt;
Fig. 9
eine Bohrung zum Einspritzen des Dichtungsmaterials;
Fig. 10
eine Ausführungsform mit Injektionsschlauch;
Fig. 11
die Ausführungsform aus Fig. 10 im Querschnitt; und
Fig. 12
einen Querschnitt durch eine weitere Ausführungsform einer erfindungsgemäßen Sollriß-Fugenschiene.
The invention is described in more detail by way of example with reference to the drawings. Show it:
Fig. 1
a first embodiment of the device according to the invention;
Fig. 2
the first embodiment of Figure 1 in cross section.
Fig. 3
a second embodiment of the device according to the invention;
Fig. 4
the second embodiment of Figure 3 in cross section.
Fig. 5
an embodiment with swelling tape;
Fig. 6
the embodiment of Figure 5 in cross section.
Fig. 7
an embodiment with a hollow injection channel;
Fig. 8
the embodiment of Figure 7 in cross section.
Fig. 9
a bore for injecting the sealing material;
Fig. 10
an embodiment with injection hose;
Fig. 11
the embodiment of Figure 10 in cross section. and
Fig. 12
a cross section through a further embodiment of a predetermined crack joint rail according to the invention.

Die erfindungsgemäße Sollriß-Fugenschiene besteht aus einer etwa streifenförmigen Schienenlatte 1 und wenigstens einer daran angebrachten einen Injektionskanal bildenden Einrichtung, die sich über die gesamte Länge der Schienenlatte 1 erstreckt.The predetermined crack joint rail according to the invention consists of an approximately strip-shaped rail slat 1 and at least one on it attached device forming an injection channel, the extends over the entire length of the rail slat 1.

Die Schienenlatte 1 ist vorzugsweise blechartig ausgebildet, d.h., daß sie aus einem dünnwandigen, flächenhaften Material besteht, das wie ein Blech eine gewisse Eigensteifigkeit aufweist. Die streifenförmige Schienenlatte 1 weist zwei lange seitliche Längskanten 1a, eine obere und untere Querkante 1b und zwei durch die Kanten 1a, 1b begrenzte Schienenlattenoberflächen 1c auf.The rail slat 1 is preferably sheet-like, i.e. that they are made of a thin-walled, sheet-like material exists that has a certain inherent rigidity like a sheet. The strip-shaped rail slat 1 has two long ones lateral longitudinal edges 1a, an upper and lower transverse edge 1b and two rail slat surfaces delimited by the edges 1a, 1b 1c on.

Die den Injektionskanal 2 bildende Einrichtung kann ein herkömmlicher Injektionskanal sein oder aus einer Dichtungsvorrichtung mit einem im Querschnitt offenen, haubenförmig ausgebildeten Profil bestehen, welches mit den freien Längskanten seiner Seitenbereiche auf der Schienenlattenoberfläche 1c aufsitzend angeordnet ist. Besonders vorteilhaft kann als eine einen Injektionskanal 2 bildende Einrichtung ein Schaumstoffstreifen 12 aus einem offenzelligen bzw. offenporigen Schaumstoff ausgebildet sein.The device forming the injection channel 2 can be a conventional one Injection channel or from a sealing device with an open, hood-shaped cross section Profile exist, which with the free longitudinal edges of its side areas arranged on the rail slat surface 1c is. An injection channel can be particularly advantageous as one 2 forming device from a foam strip 12 an open-cell or open-cell foam his.

Die Schienenlatte 1 hat vorzugsweise eine Breite etwas geringer als die Wandstärke der zu betonierenden Wand, so daß sie mit einem Abstand von 1 bis einigen Zentimetern von der Wandaußenfläche einbetoniert werden kann. Der Querschnitt kann auch in Kombination mit von außen an der Wandoberfläche eingebrachten Dreiecksleisten verringert werden. Die Länge der Schienenlatte 1 sollte etwa der Höhe der Wand entsprechen, so daß die Schienenlatte 1 vor dem Betonieren auf den Bodenabschnitt 3 einer Bodenplatte aufgestellt werden kann und sich bis zur Obergrenze der zu betonierenden Wand erstreckt.The rail slat 1 preferably has a width slightly smaller than the wall thickness of the wall to be concreted, so that it with a distance of 1 to a few centimeters from the outer wall surface can be concreted. The cross section can also be in Combination with those from the outside on the wall surface Triangular strips can be reduced. The length of the rail slat 1 should correspond approximately to the height of the wall, so that the rail slat 1 before concreting onto the floor section 3 one Bottom plate can be set up and up to the upper limit the wall to be concreted.

Der Schaumstoff 12 hat vorzugsweise einen etwa rechteckigen Querschnitt, wobei dessen Querschnittsfläche so gewählt werden soll, daß der Schaumstoff durch den angrenzenden Beton für Injektionsmaterial nicht undurchlässig zusammengepreßt werden kann und er soll nicht zu groß sein, um das mit Injektionsmaterial auszufüllende Volumen klein zu halten. Bei Injektionskanälen mit zu großem Querschnitt besteht zudem die Gefahr, daß bei größeren Undichtigkeiten kein ausreichender, die Dichtheit gewährleistender Druck beim Injizieren des Dichtungsmaterials aufgebaut werden kann.The foam 12 is preferably approximately rectangular Cross-section, the cross-sectional area of which is selected in this way the foam should pass through the adjacent concrete for injection material cannot be pressed together impermeably and it's not supposed to be too big to handle the injection material keep the volume to be filled small. With injection channels with too large a cross section there is also the risk that larger ones Leaks not sufficient, the tightness ensuring Pressure build up when injecting the sealing material can.

Der Schaumstoff 12 ist vorzugsweise ein offenzelliger Schaumstoff, der aus einem steifen Kunststoffmaterial besteht, so daß der Schaumstoff 12 eine bestimmte Eigensteifheit aufweist.The foam 12 is preferably an open-cell foam, which consists of a rigid plastic material, so that the foam 12 has a certain inherent stiffness.

Die Schienenlatte 1 ist mit einer Perforation 5 im Kontaktbereich mit dem Schaumstoff 12 versehen, so daß das injizierte Dichtmaterial durch die Schienenlatte 1 hindurchdringen kann.The rail slat 1 is with a perforation 5 in Provide the contact area with the foam 12 so that the injected Penetrate sealing material through the rail batten 1 can.

Es können auch auf beiden Seiten der Schienenlatte 1 bzw. beiden Schienenlattenoberflächen 1c Schaumstoffstreifen 12 vorgesehen sein, so daß sich auf beiden Seiten des Bleches 1 Injektionskanäle 2 bilden. Die beiden Schaumstoffstreifen 12 müssen nicht miteinander in Verbindung stehen, aber eine Perforation 5 im Blech 1 zwischen den Schaumstoffstreifen ermöglicht einen Druckausgleich beim Injizieren des Dichtungsmaterials und erlaubt es, die Querschnittsfläche bzw. die Stärke der Schaumstoffstreifen geringer zu wählen, da eine lokale Funktionsbeeinträchtigung eines Schaumstoffstreifens 12 durch den parallel verlaufenden Kanal auf der anderen Seite des Bleches ausgeglichen werden kann. Der bzw. die Schaumstoffstreifen 12 sind vorzugsweise quermittig auf den Schienenlattenoberflächen 1c angeordnet.It can also on both sides of the rail 1 or both Rail slat surfaces 1c foam strips 12 are provided be so that there are 1 injection channels on both sides of the sheet 2 form. The two foam strips 12 do not have to communicate with each other, but a perforation 5 in Sheet 1 between the foam strips enables pressure equalization when injecting the sealing material and allows the cross-sectional area or the thickness of the foam strips choose lower because of a local impairment a foam strip 12 through the parallel Channel on the other side of the sheet to be balanced can. The foam strip (s) 12 are preferred arranged centrally on the rail slat surfaces 1c.

Sowohl durch das Vorsehen der Perforation 5 und eines einzigen Schaumstoffstreifens als Einrichtung zum Bilden eines Injektionskanals 2, als auch durch das Vorsehen von zwei Schaumstoffstreifen 12 wird gewährleistet, daß die zwei Wasserwege entlang der beiden Schienenlattenoberflächen 1c abgedichtet werden. Both by providing perforation 5 and a single one Foam strip as a device for forming an injection channel 2, as well as by the provision of two foam strips 12 ensures that the two waterways are along of the two rail slat surfaces 1c are sealed.

Die den Injektionskanal 2 bildende Einrichtung kann auch an einer der seitlichen Längskanten 1a der Schienenlatte 1 angeordnet sein, wobei hier jedoch der sich bildende Injektionskanal 2 nahe an der Wandoberfläche angeordnet ist, so daß die Gefahr besteht, daß das Injektionsmaterial auf kurzem Wege aus der Wand austritt, so daß kein die Dichtheit gewährleistender Druck aufgebaut werden kann.The device forming the injection channel 2 can also be used one of the lateral longitudinal edges 1a of the rail slat 1 is arranged be, but here the injection channel 2 is placed close to the wall surface, so the danger there is that the injection material from the wall in a short way emerges so that no pressure ensuring the tightness is built up can be.

Die Schienenlatte 1 ist ein dünnwandiges Element, das aus Kunststoff oder aus Metall ausgebildet sein kann. Die Verbindung zwischen dem Schaumfstoffstreifen 12 und der Schienenlatte 1 wird vorzugsweise durch Kleben hergestellt.The rail slat 1 is a thin-walled element made of plastic or can be formed from metal. The connection between the foam strip 12 and the rail slat 1 is preferably made by gluing.

Die Schienenlatte 1 ist entweder ein plattenförmiges Element (Fig. 1 und 2) oder kann auch mit einer Kontur (Fig. 3 und 4) versehen sein, um den Schaumstoffstreifen 12 darin teilweise oder vollständig aufzunehmen. Durch seine Kontur hat die Schienenlatte 1 eine größere Steifheit und bietet dem Schaumstoff einen Schutz gegen den durch den angrenzenden Beton anliegenden Druck der Mauer 4, da die Seitenflanken bzw. die Seitenflächen 8 des Schaumstoffs und eine der beiden parallel zur Fuge verlaufenden Flächen 9 des Schaumstoffs 12 vom Blech 1 ummantelt sind. Dieser den Schaumstoff 12 ummantelnde Bereich des Bleches 1 weist eine Perforation 5 auf, die an einer oder an allen drei den Schaumstoff 12 umgebenden Seitenwandungen vorgesehen sein kann.The rail slat 1 is either a plate-shaped element (Fig. 1 and 2) or can also with a contour (Fig. 3 and 4) be provided to partially support the foam strip 12 therein or record completely. Due to its contour, the rail crossbar has 1 has greater stiffness and provides the foam a protection against the adjacent concrete Pressure of the wall 4, since the side flanks or the side surfaces 8 of the foam and one of the two parallel to the joint Surfaces 9 of the foam 12 encased by the sheet 1 are. This area of the sheet encasing the foam 12 1 has a perforation 5 on one or all of them three side walls surrounding the foam 12 are provided can be.

Die Montage der erfindungsgemäßen Sollriß-Fugenschiene erfolgt durch Einbringen der Sollriß-Fugenschiene in einen Verschalungsbereich einer zu betonierenden Wand. Die Sollriß-Fugenschiene wird hierbei auf die Betonplatte, auf die die Wand betoniert werden soll, aufgestellt, wobei die Schienenlatte 1 etwa senkrecht zu den seitlichen Oberflächen der zu betonierenden Mauer 4 stehen soll. Nach dem Betoniervorgang wird das Dichtungsmaterial in den durch den Schaumstoffstreifen 12 gebildeten Dichtungskanal injiziert, das dann die sich beim Abbindungsvorgang bildende Sollriß-Fuge satt ausfüllt. Das Injizieren des Dichtungsmaterial kann dann erfolgen, wenn an der Wand 4 mit der darin eingebrachten Sollriß-Fugenschiene ein weiterer Abschnitt 11 aufgebracht worden ist, der den Injektionskanal 2 nach oben hin abdichtet. Der Injektionskanal 2 wird dann von außen angebohrt und durch die Bohrung 10 wird Dichtmaterial eingespritzt (Fig. 9). Wenn der Schaumstoffstreifen 12 oben offen endet, kann ein Injektionsschlauch oben an dem Schaumstoff streifen angelegt werden, wobei das oben offene Ende des Schaumstoffstreifens 2 um den Injektionsschlauch herum abzudichten ist, damit das Injektionsmaterial unter Druck eingespritzt werden kann.The assembly of the predetermined crack joint rail is carried out by introducing the predetermined crack joint rail into a formwork area a wall to be concreted. The predetermined crack joint rail is here on the concrete slab on which the wall is concreted to be set up, with the rail slat 1 approximately vertical to the side surfaces of the wall to be concreted 4 should stand. After the concreting process, the sealing material in the sealing channel formed by the foam strip 12 injected, which is then in the setting process forming crack gap fills well. Injecting the sealing material can be done if on the wall 4 with the a further section was introduced into the predetermined crack joint rail 11 has been applied, the injection channel 2 upwards seals off. The injection channel 2 is then drilled from the outside and sealing material is injected through the bore 10 (Fig. 9). If the foam strip 12 ends open at the top, can an injection hose is placed on top of the foam strip be, the open end of the foam strip 2 um the injection tube is to be sealed around so that the injection material can be injected under pressure.

In vorteilhafter Weise kann auch die erfindungsgemäße Sollriß-Fugenschiene mit einer Schienenlatte 1 und einem daran angebrachten Schaumstoffstreifen 12 in Verbindung mit einem Quellband 6 verwendet werden (Fig. 5 und 6). Das Quellband 6 ist zumindest auf einer Seite, vorzugsweise auf beiden Seiten der Schienenlatte 1 oder an der seitlichen Längskante 1a der Schienenlatte 1 über die gesamte Länge der Schienenlatte anzubringen. Nach der Fertigstellung zeigt sich, ob das Quellband die notwendige Dichtheit in der Sollriß-Fuge 7 gewährleistet. Sollte dies der Fall sein, kann auf eine nachträgliche Injektion eines Dichtungsmaterials verzichtet werden. Sollten sich jedoch noch nachträgliche Undichtigkeiten ergeben, kann jederzeit durch Anbohren des Injektionskanals 2 Dichtungsmaterial eingespritzt werden und die undichte Sollriß-Fuge abgedichtet werden. Das nachträgliche Einspritzen von Dichtungsmaterial erfolgt durch Anbohren des Injektionskanals und Einspritzen des Dichtmaterials. Durch die Verwendung von Quellbändern entsteht somit keinerlei Risiko, da die. Dichtheit nachträglich jederzeit wiederhergestellt werden kann. Dies ermöglicht auch, Quellbänder mit relativ geringer Stärke zu verwenden, die in den meisten Fällen eine ausreichende Dichtheit bieten. Hierdurch werden die Kosten bei der Verwendung der relativ teuren Quellbänder in Grenzen gehalten, was in Verbindung mit dem im Vergleich zum Quellband kostengünstigen Schaumstoff eine insgesamt preiswerte Lösung des Problems bietet, ohne daß das Risiko einer undichten Sollriß-Fuge besteht, die nachträglich nicht mehr abgedichtet werden kann. The predetermined crack joint rail according to the invention can also advantageously with a rail batten 1 and attached to it Foam strips 12 in connection with a swelling tape 6 are used (Fig. 5 and 6). The swelling band 6 is at least on one side, preferably on both sides of the Rail batten 1 or on the lateral longitudinal edge 1a of the rail batten 1 to be attached over the entire length of the rail slat. After completion it shows whether the swelling tape is the necessary one Tightness in the predetermined crack joint 7 guaranteed. Should this be the case may be a subsequent injection of a sealing material to be dispensed with. However, should still be later Leaks can occur at any time by drilling of the injection channel 2 sealing material are injected and the leaky predetermined crack joint are sealed. The afterthought The sealing material is injected by drilling into the Injection channel and injection of the sealing material. Through the There is therefore no risk of using source tapes because the. Tightness can be restored at any time can. This also allows source tapes to be relatively low Use starch, which is adequate in most cases Offer tightness. This will reduce the cost of using it of the relatively expensive source tapes kept within bounds, what related with the inexpensive compared to the source tape Foam provides an overall inexpensive solution to the problem without the risk of a leaking predetermined crack joint, which cannot be sealed afterwards.

Die oben beschriebenen Anordnungen der Schaumstoff streifen 12, die Anordnungen der Schaumstoffstreifen in bezug zu den Quellbändern 6 oder in bezug zur Perforation 5 können gleichermaßen mit anderen einen Injektionskanal 2 bildenden Einrichtungen ausgebildet werden.The arrangements of the foam strips 12 described above, the locations of the foam strips with respect to the swelling bands 6 or in relation to perforation 5 can equally with other devices forming an injection channel 2 be formed.

Eine weitere vorteilhafte Ausführungsform ist eine Schienenlatte 1, die einen hohlen Injektionskanal 2 hat, der vollständig mit zwei seitlichen und einer vorderen und hinteren Wandung 16, 17, 18, 19 der Schienenlatte 1 umgeben ist und das Dichtungsmaterial über eine Perforation 5 nach außen abgibt (Fig. 7 und 8). Der hohle Injektionskanal 2 kann entweder mit einem Schaumstoffstreifen 12 ausgefüllt sein oder die Öffnungen der Perforation 5 können durch ein Vlies- oder Schaumstoffmaterial oder ähnlichem, das für Dichtungsmaterial durchlässig ist, gegen das Eindringen von Beton beim Betoniervorgang abgedichtet sein. Die Öffnungen der Perforation 5 können auch an den Seitenflächen des Injektionskanals 2 eingebracht sein, wobei deren Anordnung und Größe nach den verwendeten Dichtungsmaterialien und des verwendeten Betons gewählt werden kann. Jedoch ist es notwendig, daß nach beiden Seiten der Schienenlatte 1 Dichtungsmaterial austreten kann, damit gewährleistet ist, daß durch den Injektionsvorgang die Sollriß-Fuge vollständig abgedichtet wird.Another advantageous embodiment is a rail slat 1, which has a hollow injection channel 2, which is completely with two side and a front and rear wall 16, 17, 18, 19 of the rail batten 1 is surrounded and the sealing material releases to the outside via a perforation 5 (FIGS. 7 and 8). The hollow injection channel 2 can either be with a foam strip 12 or the openings of the perforation 5 can by a non-woven or foam material or the like, which is permeable to sealing material, against penetration be sealed by concrete during the concreting process. The Openings of the perforation 5 can also on the side surfaces of the Injection channel 2 may be introduced, the arrangement and Size according to the sealing materials and the used Concrete can be selected. However, it is necessary that Exit sealing material on both sides of the rail batten 1 can, to ensure that the injection process the predetermined crack joint is completely sealed.

Anstatt eines Schaumstoffstreifens kann auch ein herkömmlicher Injektionsschlauch als die den Injektionskanal bildende Einrichtung verwendet werden. Bei Verwendung eines herkömmlichen Injektionsschlauchs mit kreisförmigem Querschnitt sind vorzugsweise zwei Injektionsschläuche auf beiden Seiten der Schienenlatte zu verwenden oder die Löcher der Perforation als Langlöcher auszubilden, so daß für einen ausreichenden Durchlaß durch die Schienenlatte für das Dichtungsmaterial gesorgt ist.Instead of a foam strip, a conventional one can also be used Injection hose as the device forming the injection channel be used. When using a conventional injection hose with circular cross section are preferred two injection hoses on both sides of the rail slat use or form the holes of the perforation as elongated holes, so that there is sufficient passage through the rail slat the sealing material is taken care of.

Soll nur ein einziger Injektionsschlauch 13 an einer Schienenlatte 1 mit Perforation aufgebracht werden, so kann auch vorzugsweise ein Injektionsschlauch verwendet werden, der aus einem schlauchförmigen Abschnitt 14 und einer bandförmigen Basis 15 besteht, wobei die Basis 15 auf dem Bereich der Perforation 5 der Schienenlatte 1 aufgebracht wird (Fig. 10 und 11). Die Basis 15 ist mit Austrittsöffnungen für das Dichtungsmaterial versehen. Dies ist gegenüber herkömmlichen Injektionsschläuchen mit Basisband neu, bei welchem das Basisband nur als Fixierelement zum leichteren Anbringen des Injektionsschlauchs an den abzudichtenden Bereich gedient hat. Durch eine solche Anordnung wird sichergestellt, daß das in den Injektionsschlauch 13 eingespritzte Dichtungsmaterial sowohl aus dem Schlauch in den den Schlauch umgebenden Betonbereich austritt, als auch über das Basisband 15, das vorzugsweise aus demselben Material wie der Schlauchabschnitt 14 besteht, und durch die Löcher der Perforation 5 auf die andere Seite der Schienenlatte 1 gelangt, um dort auftretende Fehlstellen abzudichten.Should only a single injection hose 13 on a rail slat 1 can be applied with perforation, it can also preferably an injection hose can be used, which consists of a tubular section 14 and a band-shaped base 15 exists, the base 15 on the area of the perforation 5 the rail slat 1 is applied (Fig. 10 and 11). The base 15 is provided with outlet openings for the sealing material. This is compared to conventional injection hoses Baseband new, in which the baseband only as a fixing element for easier attachment of the injection hose to the ones to be sealed Area has served. With such an arrangement ensured that the injected into the injection hose 13 Sealing material from both the hose in the Hose surrounding concrete area emerges, as well as over the Baseband 15, which is preferably made of the same material as the Hose section 14 is made, and through the holes of the perforation 5 reaches the other side of the rail batten 1 to seal any defects that occur there.

In Fig. 12 ist eine weitere Ausführungsform der erfindungsgemäßen Sollriß-Fugenschiene im Querschnitt dargestellt.12 shows a further embodiment of the invention Sollriß joint rail shown in cross section.

Die Schienenlatte 1 dieser Sollriß-Fugenschiene ist symmetrisch um eine Quermittenachse 20 ausgebildet. An der Quermitte der Schienenlatte 1 ist die Einrichtung zum Ausbilden eines Injektionskanals angeordnet, die in drei Bereiche unterteilt ist, einem mittigen Hohlkanal 2a und zwei seitlichen, jeweils einen Teilbereich 2b des Injektionskanals bildenden Schaumstoffstreifen 12. Der Hohlkanal 2a weist einen rechteckigen Querschnitt auf und ist von zwei Seitenwandungen 21 und einer Decken- und Bodenwandung 22, 23 begrenzt. Die Seitenwandungen 21 sind mit geringem Abstand zueinander angeordnet, der etwa der Materialstärke des blechartigen Materials der Schienenlatte 1 entspricht.The rail slat 1 of this predetermined crack joint rail is symmetrical formed around a transverse center axis 20. In the middle of the Rail batten 1 is the device for forming an injection channel arranged, which is divided into three areas a central hollow channel 2a and two lateral, one each Partial area 2b of the foam strip forming the injection channel 12. The hollow channel 2a has a rectangular cross section on and is of two side walls 21 and a ceiling and Bottom wall 22, 23 limited. The side walls 21 are with a small distance apart, which is about the material thickness of the sheet-like material of the rail slat 1 corresponds.

Die Decken- und Bodenwandung 22, 23 erstreckt sich auf beiden Seiten über die Seitenwandungen 21 hinaus, so daß die Decken- und Bodenwandung 22, 23 mit den Seitenwandungen 21 seitlich offene Nuten zur Aufnahme der Schaumstoffstreifen bildet. In beiden Seitenwandungen 21 sind Öffnungen für eine Perforation 5 vorgesehen, so daß der Hohlkanal 2a mit den Schaumstoffstreifen 12 in kommunizierender Verbindung steht. Die Öffnungen können in den Seitenwandungen 21 versetzt angeordnet sein, so daß der in Fig. 12 gezeigte Querschnitt der Schienenlatte 1 sich nur in der rechten Seitenwandung 21 durch eine Öffnung der Perforation 5 erstreckt.The top and bottom walls 22, 23 extend on both Pages beyond the side walls 21, so that the ceiling and Bottom wall 22, 23 with the side walls 21 laterally forms open grooves for receiving the foam strips. In Both side walls 21 are openings for a perforation 5 provided so that the hollow channel 2a with the foam strips 12 communicates. The openings can be in the side walls 21 may be arranged offset, so that the in Fig. 12 shown cross section of the rail slat 1 only in the right side wall 21 through an opening of the perforation 5 extends.

Zur Versteifung der Sollriß-Fugenschiene ist die Schienenlatte 1 mit Versteifungsstegen 24 versehen, die jeweils durch senkrecht an den Schienenlattenoberflächen 1c angebundene, sich über die gesamte Länge der Schienenlatte 1 erstreckende Stege ausgebildet sind.The rail slat is used to stiffen the predetermined crack joint rail 1 provided with stiffening webs 24, each by vertical connected to the rail slat surfaces 1c, over the entire length of the rail slat 1 extending webs formed are.

Die Versteifungsstege 24 bewirken auch eine Verlängerung des Wasserweges in einem Sollriß, so daß durch sie nicht nur die Steifheit der Schienenlatte 1 verbessert wird, sondern auch eine bessere Dichtheit erreicht wird.The stiffening webs 24 also cause an extension of the Waterway in a predetermined crack, so that not only the Stiffness of the rail slat 1 is improved, but also a better tightness is achieved.

Claims (20)

  1. Predetermined crack joint rail for installation in a wall which is to be concreted, wherein the predetermined crack joint rail is formed from an approximately strip-shaped rail slat (1) with a device which is mounted on the latter, forms an injection channel (2) and extends the length of the rail slat (1), characterised in that the rail slat (1) has a perforation (5) in the contact region of the device forming an injection channel (2), so that an injected sealing material can penetrate through the rail slat.
  2. Predetermined crack joint rail according to Claim 1, characterised in that a device extending over the entire length of the rail slat (1) and forming an injection channel (2) is provided on both sides of the rail slat (1).
  3. Predetermined crack joint rail according to Claim 1 or 2, characterised in that the rail slat (1) consists of a thin-walled plastics part.
  4. Predetermined crack joint rail according to Claim 1 or 2, characterised in that the rail slat (1) consists of a zinc plate.
  5. Predetermined crack joint rail according to any one of Claims 1 to 4, characterised in that an expansion strip (6), which extends approximately parallel to the device forming an injection channel (2), is provided on the rail slat (1).
  6. Predetermined crack joint rail according to Claim 5, characterised in that the expansion strip (6) is disposed at a longitudinal side edge of the rail slat (1).
  7. Predetermined crack joint rail according to Claim 5 or 6, characterised in that the expansion strip (6) is disposed adjacent to the device forming an injection channel (2).
  8. Predetermined crack joint rail according to one or more of Claims 5 to 7, characterised in that an expansion strip (6) is applied on both sides of the rail slat (1).
  9. Predetermined crack joint rail according to one or more of Claims 1 to 8, characterised in that the joint between the device forming an injection channel (2), the rail slat (1) and/or the expansion strip (6) and the rail slat (1) is glued.
  10. Predetermined crack joint rail according to one or more of Claims 1 to 9, characterised in that the device forming the injection channel (2) is a foam plastics strip (12) of an open-cell foam plastics material, which preferably consists of a stiff material.
  11. Predetermined crack joint rail according to Claim 10, characterised in that the rail slat (1) has a contour in the region of the foam plastics strip (12) in which the foam plastics strip (12) is at least partly accommodated.
  12. Predetermined crack joint rail according to Claim 11, characterised in that the contour of the rail slat (1) surrounds the foam plastics strip (12) at three of its longitudinal sides.
  13. Predetermined crack joint rail according to one or more of Claims 1 to 9, characterised in that the device forming the injection channel (2) is a hollow channel (2a) formed in one piece on the rail slat (1).
  14. Predetermined crack joint rail according to Claim 13, characterised in that the hollow channel (2a) is covered at its side by a respective foam plastics strip (12), whereby the hollow channel (2a) is joined to the foam plastics strip (12) in communicating fashion.
  15. Predetermined crack joint rail according to one or more of Claims 1 to 9, characterised in that the device forming the injection channel (2) is an injection pipe (13).
  16. Predetermined crack joint rail according to Claim 15, characterised in that the injection pipe (13) consists of a pipe portion (14) and a strip-shaped base portion (15), which lies on the perforations (5) of the rail slat (1).
  17. Predetermined crack joint rail according to one or more of Claims 1 to 15, characterised in that the rail slat (1) consists of a thin-walled inherently stiff material.
  18. Predetermined crack joint rail according to one or more of Claims 1 to 17, characterised in that the device for forming an injection channel (2) is disposed in the centre of the rail slot (1) in the transverse direction.
  19. Use of a predetermined crack joint rail according to one or more of Claims 1 to 18, characterised in that the predetermined crack joint rail is inserted in a region of the wall which is to be concreted and extends over the entire height of the wall, and that sealing material is injected into the injection channel (2) which is formed after the wall has been concreted.
  20. Use in accordance with Claim 19, characterised in that the injection channel is drilled from the outside in order to inject the sealing material.
EP95924318A 1994-06-28 1995-06-23 Contraction joint rail Expired - Lifetime EP0760885B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4422648 1994-06-28
DE4422648A DE4422648C2 (en) 1994-06-28 1994-06-28 Sollriß joint rail
PCT/EP1995/002449 WO1996000822A1 (en) 1994-06-28 1995-06-23 Contraction joint rail

Publications (2)

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EP0760885A1 EP0760885A1 (en) 1997-03-12
EP0760885B1 true EP0760885B1 (en) 2000-05-10

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EP95924318A Expired - Lifetime EP0760885B1 (en) 1994-06-28 1995-06-23 Contraction joint rail

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EP (1) EP0760885B1 (en)
JP (1) JP3009225B2 (en)
CN (1) CN1076427C (en)
AT (1) ATE192809T1 (en)
CA (1) CA2193995C (en)
CZ (1) CZ291370B6 (en)
DE (2) DE4422648C2 (en)
DK (1) DK0760885T3 (en)
EE (1) EE03703B1 (en)
ES (1) ES2147611T3 (en)
FI (1) FI965210A (en)
GR (1) GR3034108T3 (en)
HU (1) HU219075B (en)
LT (1) LT4229B (en)
LV (1) LV11836B (en)
NO (1) NO306265B1 (en)
NZ (1) NZ289126A (en)
PL (1) PL176766B1 (en)
PT (1) PT760885E (en)
RO (1) RO117336B1 (en)
RU (1) RU2126073C1 (en)
SI (1) SI9520069B (en)
SK (1) SK284954B6 (en)
WO (1) WO1996000822A1 (en)

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DE10107745A1 (en) * 2001-02-16 2002-09-19 Stekox Gmbh Injection tube used for producing water-impermeable, gas-tight and/or interlocking building joints comprises a foam decreasing outward on an inner chamber and passing from a porous region into a non-foamed region
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DE10108705C2 (en) * 2001-02-23 2003-02-20 Behrendt Ursula Crack joint with a joint plate to influence crack formation in rising concrete walls
DE10109384A1 (en) * 2001-02-27 2002-09-12 Bt Baubedarf Magdeburg Gmbh Water barrier for concrete structures has plate-like holding element with apertures passing from front to back to be filled with sealing element e.g. bitumen provided on opposite sides and connected together through apertures
AT4692U3 (en) * 2001-08-02 2002-09-25 Ronijak Leopold SEALING TAPE
US6667700B1 (en) 2002-10-30 2003-12-23 Nbt Technology, Inc. Content-based segmentation scheme for data compression in storage and transmission including hierarchical segment representation
NZ533777A (en) * 2004-06-25 2004-09-24 Christopher John Fothergill Co Controlling cracks in cementitious materials
CN102808423B (en) * 2012-08-23 2014-07-23 天津市津美园林工程有限公司 Method for eliminating settlement crack at joint of ground and building outer wall
JP5863132B1 (en) * 2014-11-17 2016-02-16 ケイコン株式会社 Method for forming joints between concrete precast blocks
JP7032802B2 (en) * 2018-04-06 2022-03-09 有限会社 創友 Protective wall installation method and continuous protective wall

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GR3034108T3 (en) 2000-11-30
SK168296A3 (en) 1997-10-08
CZ291370B6 (en) 2003-02-12
DE4422648A1 (en) 1996-01-11
EE03703B1 (en) 2002-04-15
PL176766B1 (en) 1999-07-30
CA2193995C (en) 2002-07-30
ATE192809T1 (en) 2000-05-15
HU219075B (en) 2001-02-28
FI965210A0 (en) 1996-12-27
NZ289126A (en) 1998-03-25
FI965210A (en) 1996-12-27
DK0760885T3 (en) 2000-09-11
RO117336B1 (en) 2002-01-30
NO965396L (en) 1997-02-21
CN1076427C (en) 2001-12-19
LT96177A (en) 1997-06-25
JPH10506159A (en) 1998-06-16
PL318899A1 (en) 1997-07-21
SI9520069A (en) 1997-08-31
LV11836B (en) 1997-12-20
NO965396D0 (en) 1996-12-13
DE59508326D1 (en) 2000-06-15
JP3009225B2 (en) 2000-02-14
RU2126073C1 (en) 1999-02-10
NO306265B1 (en) 1999-10-11
HU9603596D0 (en) 1997-02-28
EE9600207A (en) 1997-06-16
PT760885E (en) 2000-08-31
WO1996000822A1 (en) 1996-01-11
ES2147611T3 (en) 2000-09-16
LV11836A (en) 1997-08-20
DE4422648C2 (en) 1998-09-03
EP0760885A1 (en) 1997-03-12
CN1156490A (en) 1997-08-06
SK284954B6 (en) 2006-03-02
LT4229B (en) 1997-10-27
SI9520069B (en) 2002-02-28
HUT77540A (en) 1998-05-28
CZ380096A3 (en) 1997-06-11
CA2193995A1 (en) 1996-01-11

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