EP1705301B1 - Injection or pressure hose and procedure for sealing construction joints between building structures - Google Patents

Injection or pressure hose and procedure for sealing construction joints between building structures Download PDF

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Publication number
EP1705301B1
EP1705301B1 EP06002325A EP06002325A EP1705301B1 EP 1705301 B1 EP1705301 B1 EP 1705301B1 EP 06002325 A EP06002325 A EP 06002325A EP 06002325 A EP06002325 A EP 06002325A EP 1705301 B1 EP1705301 B1 EP 1705301B1
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EP
European Patent Office
Prior art keywords
pressure
grouting
grouting hose
openings
pressure grouting
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EP06002325A
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German (de)
French (fr)
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EP1705301A1 (en
Inventor
Josef Feldmeier
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Max Frank GmbH and Co KG
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Max Frank GmbH and Co KG
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Priority claimed from DE200520002680 external-priority patent/DE202005002680U1/en
Priority claimed from DE200520015022 external-priority patent/DE202005015022U1/en
Application filed by Max Frank GmbH and Co KG filed Critical Max Frank GmbH and Co KG
Priority to PL06002325T priority Critical patent/PL1705301T3/en
Publication of EP1705301A1 publication Critical patent/EP1705301A1/en
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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
    • E04B1/6816—Porous tubular seals for injecting sealing material

Definitions

  • the invention relates to an injection or Vespressschlauch according to the preamble of claim 1.
  • the invention further relates to a method according to the preamble of claim 16.
  • Injection or Verpressschläuche for pressing or sealing joints, in particular construction joints between building body, for example, for sealing a working joint or an Arbeilsspalts between two adjoining concrete components are known in various designs.
  • Such injection or Verpressschläuche consist essentially of an inner, the mechanical stability of the Verpressschlauchs defining and a Verpresskanal forming hose body with outlet or passage openings for a grout or sealant, said openings in pressureless Verpressschlauch by the material of Verpresssdilauchs and / or
  • it is also known to form the passage openings in a slot-shaped manner.
  • an injection or injection hose DE 91 16 922.4 U1 in which the mechanical stability of the Verpressschläuchen determining hose body has two channels whose walls are each formed with a plurality of outlet or passage openings for the Verpress- or sealant.
  • One of the two channels is filled with a liquid, pasty or filled with a solvent, such as water-soluble auxiliary material.
  • the other channel is first used, in the form that the compression or sealing compound is introduced into the joint to be pressed or sealed via this channel under pressure.
  • the known injection hose allows a After-pressing in such a way that emptied after the setting or curing of the grouting or sealant from the first pressing the filled with the aid of the channel and the re-pressing takes place over this channel.
  • the object of the invention is to show a Verpressschlauch, which ensures the possibility of a simple and inexpensive production, the compression or sealing of the respective Häfuge by the Verpress- and sealant with high reliability.
  • a Verpressschlauch is designed according to claim 1.
  • a method for sealing joints between structures is the subject of claim 16.
  • the injection or injection tube according to the invention is suitable for use with all conventional and Verpress- and sealants. It can be manufactured inexpensively as a running commodity and delivered as a stock of great length to the respective place of use, where then the particular length required is separated.
  • the coating applied directly to the hose body acts as a bandage, so that the pressure threshold value at which the grouting or sealing compound emerges from the passage openings can be adjusted by the strength or severity of the wrapping, in particular well above 1 bar. Furthermore, the sheath also acts to distribute the grout and sealant.
  • the injection or injection tube according to the invention is suitable for the use of the usual grouting and sealing compounds, e.g. on plastic basis (casually compression and sealing resins), but also for other grouting and sealing compounds, e.g. for those on a mineral basis, etc.
  • 1 is a first created concrete component, ie in the representation of FIG. 1 a concrete floor slab and 2 another concrete component d. h, in the illustration of the FIG. 1 a concrete wall, which closes over a working gap or a working joint 3 to the concrete component 1.
  • the sealing of the working joint 3 is carried out in a conventional manner by pressing, ie by introducing a sealing sealing compound (spielspielmik plastic) on a laid in the region of the working gap injection of the Verpressschlauch. 4
  • the Verpressschlauch 4 is laid in the usual manner after completion of the concrete component 1 and before the concrete of the concrete component 2 in the area of the later construction joint 3 over the entire length of this joint and fixed with appropriate fasteners 4.1 on the concrete component 1.
  • the demands on the Verpressschlauch 4 are, inter alia, that during the concreting of the concrete component 2 penetration of concrete or cement or cement slurry in the Verpresssrhlauch 4 and thus clogging of the Verpressschlauchs before pressing is reliably prevented, and that after completion of the concrete component 2 and after the setting of the concrete on the Verpressschlauch 4 the sealing or Verpressmasse can be introduced into the Häfuge 3, ie in particular a leakage of the Verpressmasse from the Verpressschlauch in the Häfuge 3 at a practical and well manageable Verpressdruck is possible.
  • the injection hose 4 consists of an inner hose body 5 made of a flexible or elastic material, for example of an elastomeric plastic.
  • a plurality of passage openings 6 are introduced in the form of slots, in such a way that each passage opening 6 is carried out continuously, i. from the inner space 7 of the hose body 5 or from the compression channel to the outer surface of the hose body 5, each passage opening 6 but in any case at unpressurized Verpressschlauch 4, d. H.
  • an outer sheath 8 Surrounding the hose body 5 by an outer sheath 8, which consists of a permeable to the Verpress- and sealant material with sufficient strength, preferably of a tubular, for example, single-layer fabric of textile material or plastic.
  • the wrapper 8 is e.g. sufficiently firmly against the hose body 5 and causes u. a.
  • the sheath also prevents the slit-shaped passage openings 6 from opening or opening up, if the latter is spread by the passage openings 6 which open during the compression pressure under the injection pressure the Verpressschlauch 4 is not rectilinear, but is curved or laid curvy, d. H. the sheath 8 acts as a kind of bandage, which effectively prevents the gaping apart and thus an undesirable opening of the passage openings 6 on curved or angled sections of the laid Verpressschlauches.
  • the sheath 8 is made for example of a monofilament material, for. B. by braiding or Umweben the hose body 5 with the monofilament material, such as plastic.
  • a monofilament material may be used for the sheath 8 and a filament yarn consisting of a plurality of threads made of plastic or a natural material, namely u.a. with the additional advantage that this filament yarn rests against the outer surface of the hose body 5 more extensively than a monofilament material during manufacture of the hose body 5, thereby exposing the passage openings 6 opening in the hose body when the pressure is not applied to the injection pressure Verpressschlauch holds particularly reliable in the closed state and also alone by the large-scale plant forms a sheath 8, which counteracts the passage of concrete or cement slurry.
  • the passage openings 6 with a suitable tool, d. H. introduced, for example, with a very thin, sharp knife-like tool in the hose body 5 so that they close automatically with pressureless injection hose 4.
  • each extending in the longitudinal direction of the Verpressschlauches or the hose body 5 slot-shaped passages 6 are provided in a plurality, extending in Schlauch stresseslzanscardi rows, for example, are evenly distributed around the longitudinal extent of the hose body 5, wherein the passages 6 of adjacent rows offset from each other are.
  • the outer sheath 8 is formed by a fabric or other lattice-like material. Like in the FIG. 3 is indicated by the lines 9, the sheath 8a may also be formed by an adhesive tape, for example of a plastic film.
  • the adhesive tape 9 is then so helically glued to the outer surface of the inner hose body 5 that the individual turns overlap slightly at the edge of the adhesive tape 9, wherein the width of the overlap is smaller by a multiple than the width of the adhesive tape.
  • an outer bandage tape 9 By acting as an outer bandage tape 9, the closed state of the slot-shaped openings 6 is supported and this held in curves or corners of the laid compressed hose 4 in the closed state.
  • the adhesive tape forms an outwardly closed outer sheath due to the overlap, which, however, opens during compression by the injection pressure, ie the overlapping regions open under the compression pressure, so that there the compression or sealing material then exits into the work joint to be sealed can.
  • the opening of the overlapping regions of the sheathing formed by the adhesive tape 9 is preferably carried out where there is a corresponding free space, ie in the region of the working joint 3, so that this results in a controlled, targeted introduction of Verpress- or sealing material in the working joint 3.
  • the tape 9 forms by the overlap, but in particular by its self-adhesive properties an additional protection against ingress of concrete or cement slurry in the interior or Verpresskanal. 7
  • passages 6 are provided in the form of slots for applying the Verpress- or sealing compound in the hose body.
  • other passage openings 6 may be used, but in principle these passage openings 6 are designed so that they are closed in any case in the unpressurized state of Verpressschlauches by the inherent elasticity of the material of the hose body 5 and the supporting or occlusive effect of the casing 8.
  • Suitable as passage openings 6 for applying the Verpress- or sealant Therefore, in general, such openings that are produced with a tool without this material is removed from the wall of the hose body 5.
  • passages 6 for applying the Verpress- or sealant are therefore also those that are introduced with a spike or needle-like tool in the hose body 5 and 5 close again after the introduction by the inherent elasticity of the material hose body.
  • the nature of the openings 6 in the hose body 5 and the type of outer sheath 8 and 8a of the Verpressschlauch 4 is preferably prepared so that it or its passage openings 6 for the Verpress- or sealing material only then opens when the pressure in the channel 7 exceeds a threshold pressure, for example, a threshold pressure of 1.0 bar.
  • a threshold pressure for example, a threshold pressure of 1.0 bar.
  • this threshold pressure is preferably in the range between 1.0 to 15.0 bar, preferably between 1, 0 and 5.0 bar.
  • This training which is achieved by the nature of the passages 6 and in particular by the respective casing 8 and 8a, has the advantage that after the compression or sealing of the respective Ulfuge 3 (with a pressure above the threshold pressure) in Verpresskanal 7 existing Verpress- and sealant can be removed before curing or setting, by introducing a liquid or gaseous pressure medium at a hose end, for example by blowing the Verpresskanales 7 with compressed air, the pressure is below the threshold pressure, for example, with a pressure from about 2 bar at a pressure threshold of just over 2 bar. In this case, it is also ensured that no pressure medium (compressed air) escapes through the passage openings 6 of the injection hose during this blow-out, thereby impairing the quality of the seal of the working joint 3.
  • Verpresskanals 7 By emptying or blowing out the Verpresskanals 7, it is possible to repeat the pressing of the working joint 3, if necessary.
  • the emptying of the Verpress- or sealant present in the grout is unproblematic and easy to carry out, in particular by blowing, as on construction sites usually compressed air is available in any case.
  • the sheath 8 in the manufacture of the sheath 8 from a filament yarn having a plurality of filaments, it is possible to have a relatively high threshold pressure above 2.0 bar, e.g. in the range between 2.5 and 5.0 bar for the injection hose to realize.
  • the passage openings 6 or slots into the hose body 5, which is initially slightly enlarged in diameter, whose diameter is then reduced again after the introduction of the passage openings 6.
  • the passage openings 6 are introduced, for example, into the hose body 5 charged with an internal pressure (eg air pressure).
  • an internal pressure eg air pressure

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

Description

Die Erfindung bezieht sich auf einen Injektions- oder Vespressschlauch gemäß Oberbegriff Patentanspruch 1. Die Erfindung bezieht sich, weiterhin auf ein Verfahren gemäß Oberbegriff Patentanspruch 16.The invention relates to an injection or Vespressschlauch according to the preamble of claim 1. The invention further relates to a method according to the preamble of claim 16.

Injektions- oder Verpressschläuche zum Verpressen bzw. Abdichten von Fugen, insbesondere Arbeitsfugen zwischen baukörper, beispielsweise zum Abdichten einer Arbeitsfuge oder eines Arbeilsspalts zwischen zwei aneinander anschließender Betonbauteilen sind in verschiedensten Ausführungen bekannt. Derartige Injektions-oder Verpressschläuche bestehen im Wesentlichen aus einem inneren, die mechanische Stabilität des Verpressschlauchs bestimmenden und einen Verpresskanal bildenden Schlauchkörper mit Austritts- oder Durchtrittsöffnungen für eine Verpress-oder Dichtungsmasse, wobei diese Öffnungen bei drucklosem Verpressschlauch durch das Material des Verpresssdilauchs und/oder durch eine den inneren Schlauchkörper umgebende Umhüllung verschlossen sind Bei derartigen Verpressschläuchen ist weiterhin auch bekannt, die Durchtrittsöffnungen schlitzförmig auszubilden. ( DE 83 00 766 U1 , DE 93 07 498.7 U1 , DE 33 20 875 A1 , US 5, 290,045 A, US 2002/0009566 A1).Injection or Verpressschläuche for pressing or sealing joints, in particular construction joints between building body, for example, for sealing a working joint or an Arbeilsspalts between two adjoining concrete components are known in various designs. Such injection or Verpressschläuche consist essentially of an inner, the mechanical stability of the Verpressschlauchs defining and a Verpresskanal forming hose body with outlet or passage openings for a grout or sealant, said openings in pressureless Verpressschlauch by the material of Verpresssdilauchs and / or In the case of such injection hoses, it is also known to form the passage openings in a slot-shaped manner. ( DE 83 00 766 U1 . DE 93 07 498.7 U1 . DE 33 20 875 A1 , US 5, 290.045 A, US 2002/0009566 A1).

Bekannt ist weiterhin ein Injektions- oder Verpressschlauch ( DE 91 16 922.4 U1 ) bei dem der die mechanische Stabilität des Verpressschläuchen bestimmende Schlauchkörper zwei Kanäle aufweist, deren Wandungen jeweils mit einer Vielzahl von Austritts- oder Durchtrittsöffnungen für die Verpress- oder Dichtungsmasse ausgebildet sind. Einer der beiden Kanäle ist mit einem flüssigen, pastenartigen oder mit einem mit einem Lösungsmittel, beispielsweise mit Wasser lösbaren Hilfsmaterial gefüllt. Zum Verpressen bzw. Abdichten einer Fuge in einem Bauwerk wird zunächst der andere Kanal verwendet, und zwar in der Form, dass über diesen Kanal unter Druck die Verpress- oder Dichtungsmasse in die zu verpressende bzw. abzudichtende Fuge eingebracht wird. Ist das Verpressen bzw. Abdichten der Fuge nach diesem ersten Verpressen nicht erreicht, so ermöglicht der bekannte Verpressschlauch ein Nachverpressen in der Weise, dass nach dem Abbinden oder Aushärten der Verpress-oder Dichtungsmasse aus dem ersten Verpressen der mit dem Hilfsmittel gefüllte Kanal entleert und über diesem Kanal das Nachverpressen erfolgt.Also known is an injection or injection hose ( DE 91 16 922.4 U1 ) in which the mechanical stability of the Verpressschläuchen determining hose body has two channels whose walls are each formed with a plurality of outlet or passage openings for the Verpress- or sealant. One of the two channels is filled with a liquid, pasty or filled with a solvent, such as water-soluble auxiliary material. For pressing or sealing a joint in a building, the other channel is first used, in the form that the compression or sealing compound is introduced into the joint to be pressed or sealed via this channel under pressure. If the pressing or sealing of the joint after this first pressing is not achieved, then the known injection hose allows a After-pressing in such a way that emptied after the setting or curing of the grouting or sealant from the first pressing the filled with the aid of the channel and the re-pressing takes place over this channel.

Aufgabe der Erfindung ist es, einen Verpressschlauch aufzuzeigen, der bei der Möglichkeit einer einfachen und preiswerten Herstellung das Verpressen bzw. Abdichten der jeweiligen Arbeitsfuge durch das Verpress- und Dichtungsmittel mit hoher Zuverlässigkeit sicherstellt. Zur Lösung dieser Aufgabe ist ein Verpressschlauch gemäß Patentanspruch 1 ausgebildet. Ein Verfahren zum Abdichten von Fugen zwischen Baukörpern ist Gegenstand des Patentanspruchs 16.The object of the invention is to show a Verpressschlauch, which ensures the possibility of a simple and inexpensive production, the compression or sealing of the respective Arbeitsfuge by the Verpress- and sealant with high reliability. To solve this problem, a Verpressschlauch is designed according to claim 1. A method for sealing joints between structures is the subject of claim 16.

Der erfindungsgemäße Injektions- oder Verpressschlauch eignet sich für die Verwendung mit allen herkömmlichen und Verpress- und Dichtungsmitteln. Er kann als laufende Ware preiswert gefertigt und als Vorrat mit großer Länge an den jeweiligen Verwendungsort geliefert werden, wo dann die jeweils benötigte Lange abgetrennt wird.The injection or injection tube according to the invention is suitable for use with all conventional and Verpress- and sealants. It can be manufactured inexpensively as a running commodity and delivered as a stock of great length to the respective place of use, where then the particular length required is separated.

Die unmittelbar auf den Schlauchkörper aufgebrachte Ummantelung wirkt bandagenartig, so dass durch die Festigkeit oder Strenge der Umwicklung der Druckschwellwert, bei dem die Verpress- oder Dichtungsmasse aus den Durchtrittsöffnungen austritt, eingestellt werden kann, insbesondere auch deutlich über 1 bar. Weiterhin wirkt die Ummantelung auch zur Verteilung der Verpress- und Dichtungsmasse. Der erfindungsgemäße Injektions- oder Verpresschlauch eignet sich für die Verwendung der üblichen Verpress- und Dichtungsmassen, z.B. auf Kunststoffbasis (beilspielsweise Verpress- und Dichtungsharze), aber auch für andere Verpress- und Dichtungsmassen, z.B. für solche auf mineralischer Basis usw.The coating applied directly to the hose body acts as a bandage, so that the pressure threshold value at which the grouting or sealing compound emerges from the passage openings can be adjusted by the strength or severity of the wrapping, in particular well above 1 bar. Furthermore, the sheath also acts to distribute the grout and sealant. The injection or injection tube according to the invention is suitable for the use of the usual grouting and sealing compounds, e.g. on plastic basis (casually compression and sealing resins), but also for other grouting and sealing compounds, e.g. for those on a mineral basis, etc.

Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche. Die Erfindung wird anhand der Figuren an Ausführungsbeispielen näher erläutert. Es zeigen:

Fig. 1
in vereinfachter Darstellung und im Schnitt den zu verpressenden bzw. abzudichtenden Arbeitsspalt zwischen zwei Betonbauteilen;
Fig. 2
einen Schnitt durch einen Verpressschlauch gemäß der Erfindung;
Fig. 3
eine Teillänge des Innenschlauches des Verpressschlauchs der Figur 2.
Further developments of the invention are the subject of the dependent claims. The invention will be explained in more detail with reference to the figures of embodiments. Show it:
Fig. 1
in a simplified representation and in section to be pressed or sealed working gap between two concrete components;
Fig. 2
a section through a Verpressschlauch according to the invention;
Fig. 3
a partial length of the inner tube of the Verpressschlauchs FIG. 2 ,

In den Figuren sind 1 ein zuerst erstelltes Betonbauteil, d. h. bei der Darstellung der Figur 1 eine Bodenplatte aus Beton und 2 ein weiteres Betonbauteil d .h, bei der Darstellung der Figur 1 eine Betonwand, die über einen Arbeitsspalt oder eine Arbeitsfuge 3 an das Betonbauteil 1 abschließt. Das Abdichten der Arbeitsfuge 3 erfolgt in an sich bekannter Weise durch Verpressen, d.h. durch Einbringen einer abdichtenden Abdichtmasse (beilspielsweise Kunststoff) über einem im Bereich des Arbeitsspaltes verlegten Injektions- der Verpressschlauch 4.In the figures, 1 is a first created concrete component, ie in the representation of FIG. 1 a concrete floor slab and 2 another concrete component d. h, in the illustration of the FIG. 1 a concrete wall, which closes over a working gap or a working joint 3 to the concrete component 1. The sealing of the working joint 3 is carried out in a conventional manner by pressing, ie by introducing a sealing sealing compound (spielspielsweise plastic) on a laid in the region of the working gap injection of the Verpressschlauch. 4

Der Verpressschlauch 4 wird in der üblichen Weise nach dem Fertigstellen des Betonbauteils 1 und vor dem Betonierten des Betonbauteils 2 im Bereich der späteren Arbeitsfuge 3 über die gesamte Länge dieser Fuge verlegt und mit entsprechenden Befestigungsmitteln 4.1 am Betonbauteil 1 fixiert. Die Forderungen an den Verpressschlauch 4 sind u.a., dass beim Betonieren des Betonbauteils 2 ein Eindringen von Beton oder Zement bzw. Zementschlämme in den Verpresssrhlauch 4 und damit ein Zusetzen des Verpressschlauchs vor dem Verpressen zuverlässig verhindert ist, und dass nach dem Fertigstellen des Betonbauteils 2 und nach dem Abbinden des Betons über den Verpressschlauch 4 die Dichtungs- oder Verpressmasse in die Arbeitsfuge 3 eingebracht werden kann, d. h. insbesondere ein Austreten der Verpressmasse aus dem Verpressschlauch in die Arbeitsfuge 3 bei einem in der Höhe praktikablen und gut beherrschbaren Verpressdruck möglich ist.The Verpressschlauch 4 is laid in the usual manner after completion of the concrete component 1 and before the concrete of the concrete component 2 in the area of the later construction joint 3 over the entire length of this joint and fixed with appropriate fasteners 4.1 on the concrete component 1. The demands on the Verpressschlauch 4 are, inter alia, that during the concreting of the concrete component 2 penetration of concrete or cement or cement slurry in the Verpresssrhlauch 4 and thus clogging of the Verpressschlauchs before pressing is reliably prevented, and that after completion of the concrete component 2 and after the setting of the concrete on the Verpressschlauch 4 the sealing or Verpressmasse can be introduced into the Arbeitsfuge 3, ie in particular a leakage of the Verpressmasse from the Verpressschlauch in the Arbeitsfuge 3 at a practical and well manageable Verpressdruck is possible.

Um diese Forderungen zu erfüllen, besteht der Verpressschlauch 4 aus einem inneren Schlauchkörper 5 aus einem flexiblen bzw. elastischen Material, beispielsweise aus einem elastomeren Kunststoff. In die Wandung des Schlauchkörpers 5 ist eine Vielzahl von Durchtrittsöffnungen 6 in Form von Schlitzen eingebracht, und zwar derart, dass jede Durchtrittsöffnung 6 durchgehend ausgeführt ist, d.h. von dem Innenraum 7 des Schlauchkörpers 5 bzw. von dem Verpresskanal bis an die Außenfläche des Schlauchkörpers 5 reicht, jede Durchtrittsöffnung 6 aber auf jeden Fall bei drucklosem Verpressschlauch 4, d. h. bei Atmosphärendruck im Schlauchkörperinnenraum bzw. Verpresskanal 7 dicht verschlossen ist und hierfür die beiden Längsseiten jedes, sich in Schlauchkörperlängsrichtung L erstreckenden Schlitzes dicht gegeneinander anliegen, sodass ein Eindringen von Fremdstoffen, insbesondere auch von Beton- oder ZementSchlämme durch die Schlitze bzw. Durchtrittsöffnungen 6 in den Schlauchkörperinnenraum 7 nicht möglich ist.In order to meet these requirements, the injection hose 4 consists of an inner hose body 5 made of a flexible or elastic material, for example of an elastomeric plastic. In the wall of the hose body 5, a plurality of passage openings 6 are introduced in the form of slots, in such a way that each passage opening 6 is carried out continuously, i. from the inner space 7 of the hose body 5 or from the compression channel to the outer surface of the hose body 5, each passage opening 6 but in any case at unpressurized Verpressschlauch 4, d. H. is tightly closed at atmospheric pressure in the hose body interior or Verpresskanal 7 and for this the two longitudinal sides of each, extending in hose longitudinal direction L slot tightly against each other, so that penetration of foreign substances, especially concrete or ZementSchlämme through the slots or openings 6 in the Hose body interior 7 is not possible.

Umgeben ist der Schlauchkörper 5 von einer äußeren Umhüllung 8, die aus einem für das Verpress- und Dichtungsmittel durchlässigem Material mit einer ausreichenden Festigkeit besteht, vorzugsweise aus einem schlauchförmigen, beispielsweise einlagigen Gewebe aus textilen Material oder Kunststoff. Die Umhüllung 8 liegt z.B. ausreichend fest gegen den Schlauchkörper 5 an und bewirkt u. a. eine Verteilung des beim Verpressen durch die sich unter dem Verpressdruck öffnenden Durchtrittsöffnungen 6 austretenden Dichtungs- und Verpressmasse und damit ein Weiterleiten dieser Masse in die abzudichtende Arbeitsfuge 3. Weiterhin verhindert die Ummantelung aber auch, dass die schlitzförmigen Durchtrittsöffnungen 6 sich öffnen bzw. aufklaffen, wenn der Verpressschlauch 4 nicht geradlinig, sondern gekrümmt oder kurvengängig verlegt wird, d. h. die Ummantelung 8 wirkt als eine Art Bandage, die das Auseinanderklaffen und damit ein unerwünschtes Öffnen der Durchtrittsöffnungen 6 an kurvengängigen oder abgewinkelten Abschnitten des verlegten Verpressschlauches wirksam verhindert.Surrounding the hose body 5 by an outer sheath 8, which consists of a permeable to the Verpress- and sealant material with sufficient strength, preferably of a tubular, for example, single-layer fabric of textile material or plastic. The wrapper 8 is e.g. sufficiently firmly against the hose body 5 and causes u. a. In addition, the sheath also prevents the slit-shaped passage openings 6 from opening or opening up, if the latter is spread by the passage openings 6 which open during the compression pressure under the injection pressure the Verpressschlauch 4 is not rectilinear, but is curved or laid curvy, d. H. the sheath 8 acts as a kind of bandage, which effectively prevents the gaping apart and thus an undesirable opening of the passage openings 6 on curved or angled sections of the laid Verpressschlauches.

Es besteht auch die Möglichkeit, die Ummantelung 8 so aufzubringen, dass durch sie bei drucklosem Verpressschlauch 4 die Durchtrittsöffnungen 6 grundsätzlich geschlossen gehalten werden, wobei die Ummantelung 8 für das beim Verpressen notwendige Öffnen der Durchtrittsöffnungen 6 eine ausreichende Elastizität oder Nachgiebigkeit aufweist.There is also the possibility of applying the jacket 8 in such a way that, in the case of a pressureless injection hose 4, the passage openings 6 pass through it in principle be kept closed, wherein the sheath 8 for the necessary during the pressing opening of the openings 6 has sufficient elasticity or compliance.

Die Ummantelung 8 ist beispielsweise aus einem monofilen Material hergestellt, z. B. durch Umflechten oder Umweben des Schlauchkörpers 5 mit dem monofilen Material, beispielsweise aus Kunststoff.The sheath 8 is made for example of a monofilament material, for. B. by braiding or Umweben the hose body 5 with the monofilament material, such as plastic.

Anstelle eines monofilen Materials kann für die die Ummantelung 8 auch ein Filamentgarn bestehend aus einer Vielzahl von Fäden aus Kunststoff oder einem natürlichen Material verwendet sein, und zwar u.a. mit dem zusätzlichen Vorteil, dass sich dieses Filamentgarn beim Herstellen der den Schlauchkörper 5 umgebenden Umhüllung 8 flächiger als ein monofiles Material gegen die Außenfläche des Schlauchkörpers 5 anlegt und dadurch die im Schlauchkörper vorhandenen, sich unter dem Verpressdruck öffnenden Durchtrittsöffnungen 6 bei nicht mit dem Verpressdruck beaufschlagtem Verpressschlauch besonders zuverlässig im geschlossenen Zustand hält und außerdem allein schon durch die großflächige Anlage eine Ummantelung 8 bildet, die einen Durchtritt von Beton- oder Zementschlämme entgegenwirkt.Instead of a monofilament material may be used for the sheath 8 and a filament yarn consisting of a plurality of threads made of plastic or a natural material, namely u.a. with the additional advantage that this filament yarn rests against the outer surface of the hose body 5 more extensively than a monofilament material during manufacture of the hose body 5, thereby exposing the passage openings 6 opening in the hose body when the pressure is not applied to the injection pressure Verpressschlauch holds particularly reliable in the closed state and also alone by the large-scale plant forms a sheath 8, which counteracts the passage of concrete or cement slurry.

Unabhängig von der Ummantelung 8 und deren Wirkung sind die Durchtrittsöffnungen 6 mit einem geeigneten Werkzeug, d. h. beispielsweise mit einem sehr dünnen, scharfen messerartigen Werkzeug in den Schlauchkörper 5 eingebracht, sodass sie sich bei drucklosem Verpressschlauch 4 selbsttätig verschließen.Regardless of the sheath 8 and its effect, the passage openings 6 with a suitable tool, d. H. introduced, for example, with a very thin, sharp knife-like tool in the hose body 5 so that they close automatically with pressureless injection hose 4.

Wie in der Figur 3 angedeutet, sind die sich jeweils in Längsrichtung des Verpressschlauches bzw. des Schlauchkörpers 5 erstreckenden schlitzförmigen Durchtrittsöffnungen 6 in mehreren, sich in Schlauchkörperlängsrichtung erstreckenden Reihen vorgesehen, die beispielsweise gleichmäßig um die Längserstreckung des Schlauchkörpers 5 verteilt sind, wobei die Durchtrittsöffnungen 6 benachbarter Reihen jeweils gegeneinander versetzt sind.Like in the FIG. 3 indicated, each extending in the longitudinal direction of the Verpressschlauches or the hose body 5 slot-shaped passages 6 are provided in a plurality, extending in Schlauchkörperlängsrichtung rows, for example, are evenly distributed around the longitudinal extent of the hose body 5, wherein the passages 6 of adjacent rows offset from each other are.

Vorstehend wird davon ausgegangen, dass die äußere Ummantelung bzw. Umhüllung 8 von einem Gewebe oder einem anderen gitterartigen Material gebildet ist. Wie in der Figur 3 mit den Linien 9 angedeutet ist, kann die Ummantelung 8a auch von einem Klebeband, beispielsweise aus einer Kunststoff-Folie gebildet sein. Das Klebeband 9 ist dann so wendelartig auf die Außenfläche des inneren Schlauchkörpers 5 aufgeklebt, dass sich die einzelnen Windungen am Rand des Klebebandes 9 etwas überlappen, wobei die Breite der Überlappung um ein Vielfaches kleiner ist als die Breite des Klebebandes. Durch das als äußere Bandage wirkende Klebeband 9 wird der geschlossene Zustand der schlitzförmigen Durchtrittsöffnungen 6 unterstützt und diese auch in Kurven oder Eckbereichen des verlegten verpressten Schlauches 4 im geschlossenem Zustand gehalten. Weiterhin bildet das Klebeband durch die Überlappung eine nach außen hin geschlossene äußere Ummantelung, die sich allerdings beim Verpressen durch den Verpressdruck öffnet, d.h. unter dem Verpressdruck öffnen die sich überlappenden Bereiche, so dass dort dann das Verpress- bzw. Dichtungsmaterial in die abzudichtende Arbeitsfuge austreten kann. Das Öffnen der überlappenden Bereiche der vom Klebeband 9 gebildeten Ummantelung erfolgt bevorzugt dort, wo ein entsprechender Freiraum besteht, d.h. im Bereich der Arbeitsfuge 3, so dass sich hierdurch auch ein gesteuertes, gezieltes Einbringen des Verpress- oder Dichtungsmaterials in die Arbeitsfuge 3 ergibt.It is assumed above that the outer sheath 8 is formed by a fabric or other lattice-like material. Like in the FIG. 3 is indicated by the lines 9, the sheath 8a may also be formed by an adhesive tape, for example of a plastic film. The adhesive tape 9 is then so helically glued to the outer surface of the inner hose body 5 that the individual turns overlap slightly at the edge of the adhesive tape 9, wherein the width of the overlap is smaller by a multiple than the width of the adhesive tape. By acting as an outer bandage tape 9, the closed state of the slot-shaped openings 6 is supported and this held in curves or corners of the laid compressed hose 4 in the closed state. Furthermore, the adhesive tape forms an outwardly closed outer sheath due to the overlap, which, however, opens during compression by the injection pressure, ie the overlapping regions open under the compression pressure, so that there the compression or sealing material then exits into the work joint to be sealed can. The opening of the overlapping regions of the sheathing formed by the adhesive tape 9 is preferably carried out where there is a corresponding free space, ie in the region of the working joint 3, so that this results in a controlled, targeted introduction of Verpress- or sealing material in the working joint 3.

Das Klebeband 9 bildet durch die Überlappung, insbesondere aber auch durch seine selbstklebenden Eigenschaften einen zusätzlichen Schutz gegen ein Eindringen von Beton- oder Zementschlämme in den Innenraum bzw. Verpresskanal 7.The tape 9 forms by the overlap, but in particular by its self-adhesive properties an additional protection against ingress of concrete or cement slurry in the interior or Verpresskanal. 7

Vorstehend wurde davon ausgegangen, dass zum Ausbringen der Verpress- bzw. Abdichtmasse im Schlauchkörper 5 Durchtrittsöffnungen 6 in Form von Schlitzen vorgesehen sind. Grundsätzlich können auch andere Durchtrittsöffnungen 6 verwendet sein, grundsätzlich sind diese Durchtrittsöffnungen 6 aber so ausgebildet, dass sie auf jeden Fall im drucklosen Zustand des Verpressschlauches durch die Eigenelastizität des Materials des Schlauchkörpers 5 und die stützende oder verschließende Wirkung der Ummantelung 8 verschlossen sind. Als Durchtrittsöffnungen 6 zum Ausbringen der Verpress- oder Dichtungsmasse eignen sich daher generell solche Öffnungen, die mit einem Werkzeug erzeugt werden, ohne das hierbei Material aus der Wandung des Schlauchkörpers 5 entfernt wird. Als Durchtrittsöffnungen 6 zum Ausbringen der Verpress- oder Dichtungsmasse eignen sich daher auch solche, die mit einem dorn- oder nadelartigen Werkzeug in den Schlauchkörper 5 eingebracht sind und die sich nach dem Einbringen durch die Eigenelastizität des Materialschlauchkörpers 5 wieder verschließen.It has been assumed above that 5 passages 6 are provided in the form of slots for applying the Verpress- or sealing compound in the hose body. In principle, other passage openings 6 may be used, but in principle these passage openings 6 are designed so that they are closed in any case in the unpressurized state of Verpressschlauches by the inherent elasticity of the material of the hose body 5 and the supporting or occlusive effect of the casing 8. Suitable as passage openings 6 for applying the Verpress- or sealant Therefore, in general, such openings that are produced with a tool without this material is removed from the wall of the hose body 5. As passages 6 for applying the Verpress- or sealant are therefore also those that are introduced with a spike or needle-like tool in the hose body 5 and 5 close again after the introduction by the inherent elasticity of the material hose body.

Unabhängig von der Ausbildung des Verpressschlauches 4, der Art der Durchtrittsöffnungen 6 im Schlauchkörper 5 und der Art der äußeren Ummantelung 8 bzw. 8a ist der Verpressschlauch 4 bevorzugt so hergestellt, dass er bzw. dessen Durchtrittsöffnungen 6 für das Verpress- oder Dichtungsmaterial erst dann öffnet, wenn der Verpressdruck im Kanal 7 einen Schwellwertdruck übersteigt, beispielsweise einen Schwellwertdruck von 1,0 bar. Bevorzugt liegt dieser Schwellwertdruck aber im Bereich zwischen 1,0 bis 15,0 bar, vorzugsweise zwischen 1, 0 und 5,0 bar. Diese Ausbildung, die durch die Art der Durchtrittsöffnungen 6 sowie insbesondere auch durch die jeweilige Ummantelung 8 bzw. 8a erreicht wird, hat den Vorteil, dass nach dem Verpressen bzw. Abdichten der betreffenden Arbeitsfuge 3 (mit einem über dem Druckschwellwert liegenden Verpressdruck) im Verpresskanal 7 vorhandenes Verpress- und Dichtungsmittel noch vor dem Aushärten bzw. Abbinden entfernt werden kann, und zwar durch Einleiten eines flüssigen oder gasförmigen Druckmediums an einem Schlauchende, z.B. durch Ausblasen des Verpresskanales 7 mit Druckluft, deren Druck unterhalb des Druckschwellwertes liegt, beispielsweise mit einem Druck von etwa 2 bar bei einem Druckschwellwert von etwas über 2 bar. Hierbei ist auch sichergestellt, dass bei diesem Ausblasen kein Druckmedium (Druckluft) durch die Durchtrittsöffnungen 6 des Verpressschlauches austritt und dadurch die Qualität der Abdichtung der Arbeitsfuge 3 beeinträchtigt. Durch das Entleeren oder Ausblasen des Verpresskanals 7 ist es möglich, das Verpressen der Arbeitsfuge 3 zu wiederholen, falls dies notwendig sein sollte. Das Entleeren der im Verpresskanal vorhandenen Verpress- oder Dichtungsmasse ist unproblematisch und einfach durchführbar, insbesondere auch durch Ausblasen, da auf Baustellen in der Regel auf jeden Fall Druckluft zur Verfügung steht.Regardless of the design of the Verpressschlauches 4, the nature of the openings 6 in the hose body 5 and the type of outer sheath 8 and 8a of the Verpressschlauch 4 is preferably prepared so that it or its passage openings 6 for the Verpress- or sealing material only then opens when the pressure in the channel 7 exceeds a threshold pressure, for example, a threshold pressure of 1.0 bar. However, this threshold pressure is preferably in the range between 1.0 to 15.0 bar, preferably between 1, 0 and 5.0 bar. This training, which is achieved by the nature of the passages 6 and in particular by the respective casing 8 and 8a, has the advantage that after the compression or sealing of the respective Arbeitsfuge 3 (with a pressure above the threshold pressure) in Verpresskanal 7 existing Verpress- and sealant can be removed before curing or setting, by introducing a liquid or gaseous pressure medium at a hose end, for example by blowing the Verpresskanales 7 with compressed air, the pressure is below the threshold pressure, for example, with a pressure from about 2 bar at a pressure threshold of just over 2 bar. In this case, it is also ensured that no pressure medium (compressed air) escapes through the passage openings 6 of the injection hose during this blow-out, thereby impairing the quality of the seal of the working joint 3. By emptying or blowing out the Verpresskanals 7, it is possible to repeat the pressing of the working joint 3, if necessary. The emptying of the Verpress- or sealant present in the grout is unproblematic and easy to carry out, in particular by blowing, as on construction sites usually compressed air is available in any case.

Insbesondere bei der Herstellung der Ummantelung 8 aus einem Filamentgarn mit einer Vielzahl von Fäden besteht die Möglichkeit einen relativ hohen Schwellwertdruck über 2,0 bar, z.B. im Bereich zwischen 2,5 und 5,0 Bar für den Verpressschlauch zu realisieren.In particular, in the manufacture of the sheath 8 from a filament yarn having a plurality of filaments, it is possible to have a relatively high threshold pressure above 2.0 bar, e.g. in the range between 2.5 and 5.0 bar for the injection hose to realize.

Die Erfindung wurde voranstehend an Ausführungsbeispielen beschrieben. Es versteht sich, dass zahlreiche Änderungen sowie Abwandlungen möglich sind, ohne das dadurch der der Erfindung zugrunde liegende Erfindungsgedanke verlassen wird.The invention has been described above by means of exemplary embodiments. It is understood that numerous changes and modifications are possible without thereby departing from the inventive idea underlying the invention.

So ist es beispielsweise möglich, die Durchtrittsöffnungen 6 oder Schlitze in den zunächst im Durchmesser etwas vergrößertem Schlauchkörper 5 einzubringen, dessen Durchmesser dann nach dem Einbringen der Durchtrittsöffnungen 6 wieder reduziert wird. Hierfür erfolgt das Einbringen der Durchtrittsöffnungen 6 beispielsweise in den mit einem Innendruck (z. B. Luftdruck) beaufschlagten Schlauchkörper 5. Weiterhin besteht auch die Möglichkeit, den Schlauchkörper 5 aus einem unter Einwirkung von Wärme schrumpfenden Material mit einem etwas größeren Querschnitt zu fertigen und dann nach dem Einbringen der Durchtrittsöffnungen 6 durch Wärmeeinwirkung zu schrumpfen.Thus, it is possible, for example, to introduce the passage openings 6 or slots into the hose body 5, which is initially slightly enlarged in diameter, whose diameter is then reduced again after the introduction of the passage openings 6. For this purpose, the passage openings 6 are introduced, for example, into the hose body 5 charged with an internal pressure (eg air pressure). It is also possible to manufacture the hose body 5 from a material shrinking under the action of heat with a somewhat larger cross section and then to shrink after introduction of the passages 6 by the action of heat.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1, 21, 2
Betonbauteilconcrete component
33
Arbeitsspalt oder ArbeitsfugeWorking gap or working joint
44
Verpresssch lauchPressed leek
4.14.1
Halterholder
55
innerer Schlauchkörperinner tube body
66
Durchtrittsöffnung bzw. SchlitzPassage opening or slot
77
Verpresskanal oder Innenraum des Schlauchkörpers 5Pressing channel or interior of the hose body. 5
8, 8a8, 8a
äußere Ummantelungouter sheath
99
Klebebandduct tape
9.19.1
überlappende Bereicheoverlapping areas
LL
Längserstreckung des VerpressschlauchesLongitudinal extension of the injection hose

Claims (16)

  1. Pressure grouting hose for use when grouting and sealing a joint (3) in a building structure, by way of example a construction joint between two adjoining structural bodies, consisting of an inner tubular body (15) which determines the mechanical stability of the pressure grouting hose (4) and forms at least one pressing channel (7) and has a wall with through openings (6) for a grouting or sealing mass as well as an outer covering (8) which surrounds the tubular body (5), characterised in that the through openings (6) only open for the outflow of the grouting or sealing mass when the internal pressure exceeds a pressure threshold of 1 bar, wherein the pressure grouting hose can be emptied of non-hardened grouting or sealing mass when using an internal pressure which lies below the said pressure threshold value.
  2. Pressure grouting hose according to claim 2 characterised in that when the pressure grouting hose (4) is pressureless the through openings are closed by the material of the pressure grouting hose or the inherent elasticity of this material.
  3. Pressure grouting hose according to one of the preceding claims characterised in that when the pressure grouting hose (4) is pressureless the through openings are closed slots (6) preferably aligned with their longitudinal extension in a longitudinal direction (L) of the pressure grouting hose and/or openings created by puncturing with needles.
  4. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering (8) is a mesh or woven material which surrounds the tubular body (5) directly.
  5. Pressure grouting hose according to claim 3 or 4 characterised in that the slots (6) which form the through openings for the grouting or sealing mass include an angle of less than 45° with the longitudinal direction (L) of the pressure grouting hose.
  6. Pressure grouting hose according to one of claims 3 to 5 characterised in that the slots (6) are aligned with their longitudinal extension parallel to or approximately parallel to the longitudinal direction of the pressure grouting hose.
  7. Pressure grouting hose according to one of claims 3 to 6 characterised in that the through openings or slots (6) are provided in at least two rows which extend in the longitudinal direction (L) of the pressure grouting hose.
  8. Pressure grouting hose according to one of claims 3 to 7 characterised in that the through openings or slots of adjoining rows are off-set relative to one another in the longitudinal direction of the row.
  9. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering (8a) is formed by an adhesive band (9).
  10. Pressure grouting hose according to claim 9 characterised in that the adhesive band (9) for forming the outer cover (8a) is applied spirally round the outside surface of the inner tubular body (5), preferably with overlapping windings.
  11. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering is made from a by way of example single-layered mesh or woven fabric of textile material and/or plastics.
  12. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering (8) is created by weaving or threading round the inner tubular body (5).
  13. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering (8) is made from a monofilament material.
  14. Pressure grouting hose according to one of the preceding claims characterised in that the outer covering is made from a filament yam.
  15. Pressure grouting hose according to claim 14 characterised in that the pressure threshold value is in the region of between 1.0 and 5.0 bar.
  16. Method for sealing or grouting joints in building structures, by way of example construction joints between two adjoining structural bodies, by using at least one pressure grouting hose (4) which is placed along the joint and which has at least one inner tubular body which determines the mechanical stability of the pressure grouting hose (4) and forms at least one grouting channel (7) and which has a wall with through openings (16) for the grouting or sealing mass as well as an outer covering (8) which encloses the tubular body (5), wherein the through openings (6) only open for the outflow of the grouting or sealing substance when a pressure exceeds a pressure threshold value wherein grouting with the grouting or sealing mass takes place with a pressure which exceeds the pressure threshold value, characterised in that after grouting emptying the grouting or sealing mass from the at least one grouting channel (7) is carried out with a fluid and/or gaseous pressurised medium, namely with pressure below the pressure threshold value which corresponds to a pressure grouting hose internal pressure which exceeds 1 bar.
EP06002325A 2005-02-10 2006-02-04 Injection or pressure hose and procedure for sealing construction joints between building structures Active EP1705301B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06002325T PL1705301T3 (en) 2005-02-10 2006-02-04 Injection or pressure hose and procedure for sealing construction joints between building structures

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202005002091 2005-02-10
DE200520002680 DE202005002680U1 (en) 2005-02-10 2005-02-19 Compression hose for sealing joint in building, contains length direction slits which are sealed when hose is deflated
DE200520015022 DE202005015022U1 (en) 2005-09-22 2005-09-22 Grouting tube for sealing joint between two construction units, has tube body with pass through openings for wall, where openings are closed by material of tube and/or innate elasticity of material

Publications (2)

Publication Number Publication Date
EP1705301A1 EP1705301A1 (en) 2006-09-27
EP1705301B1 true EP1705301B1 (en) 2012-05-02

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EP06002325A Active EP1705301B1 (en) 2005-02-10 2006-02-04 Injection or pressure hose and procedure for sealing construction joints between building structures

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Country Link
EP (1) EP1705301B1 (en)
PL (1) PL1705301T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115094870B (en) * 2022-08-01 2023-06-02 曹方彬 Roadbed reinforcing treatment device for highway bridge construction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8300766U1 (en) * 1983-01-13 1983-06-16 Koob, Kunibert, Ing.(grad.), 4234 Alpen INJECTION HOSE FOR WORKING FIGURES ON CONCRETE CONSTRUCTIONS
DE3320875A1 (en) * 1983-06-09 1984-12-13 Kunibert Ing.(grad.) 4234 Alpen Koob Injecting hose
US5290045A (en) * 1991-03-01 1994-03-01 C.I. Kasei Co., Ltd. Seal for joint, and method of installing same seal
DE9116922U1 (en) * 1991-12-10 1994-08-04 Hiendl, Heribert, 94315 Straubing Injection hose
DE9207498U1 (en) * 1992-06-04 1992-07-23 Dyckerhoff & Widmann AG, 8000 München Injection hose for insertion into concrete components
US6544612B2 (en) * 1997-07-21 2003-04-08 Paul R. Schertzberg Injection hose and method of construction thereof

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EP1705301A1 (en) 2006-09-27

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