EP0414991A1 - Sealing strip for the sealing of joints of vault or tunnel cladding elements - Google Patents

Sealing strip for the sealing of joints of vault or tunnel cladding elements Download PDF

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Publication number
EP0414991A1
EP0414991A1 EP90103998A EP90103998A EP0414991A1 EP 0414991 A1 EP0414991 A1 EP 0414991A1 EP 90103998 A EP90103998 A EP 90103998A EP 90103998 A EP90103998 A EP 90103998A EP 0414991 A1 EP0414991 A1 EP 0414991A1
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EP
European Patent Office
Prior art keywords
sealing
web
vault
sealing body
joints
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90103998A
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German (de)
French (fr)
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EP0414991B1 (en
Inventor
Norbert Herwegh
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Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke
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Daetwyler AG Schweizerische Kabel Gummi und Kunststoffwerke
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Priority to AT90103998T priority Critical patent/ATE92588T1/en
Publication of EP0414991A1 publication Critical patent/EP0414991A1/en
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • E21D11/385—Sealing means positioned between adjacent lining members
    • 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

Definitions

  • the invention relates to a sealing profile strip made of elastic material for sealing joints between abutting vault or tunnel cladding elements with an elongated sealing body containing hollow chambers and an extension consisting of a web and wings projecting laterally therefrom.
  • the so-called tubbings are used to line vaults, especially tunnel vaults.
  • these segments are also curved. They collide with their end faces, because it is almost impossible to create a single tubbing that could span the entire arch, i.e. from one side over the vaulted roof to the other side. This is not possible for technical reasons, but also for transport reasons (weight!).
  • the arch of the vault consists of individual pieces or elements. Seen in the longitudinal direction of the vault or tunnel, further rows of the same elements then follow until the entire vault or the entire tunnel is lined in this way.
  • ring joints The abutting of these elements on the front side creates between these joints, one running radially from the inside to the outside of the vault or tunnel (so-called ring joints) and the other extending in the longitudinal direction of the vault or tunnel due to the width of the segments and therefore referred to as longitudinal joints will.
  • the ring joints must be well sealed, because no water from the surrounding area may enter the vault or the tunnel.
  • the present invention relates to a seal for those areas in the drilled terrain or mountains, in which marl or loam layers prevent a larger accumulation of water, and this therefore only passes through the joints in very small amounts, that is to say mostly in drops. Such small quantities can be sucked off without any problems.
  • a perfect seal is essential because the vault or tunnel cannot be maintained all the time. It must therefore be prevented that a larger amount of water also accumulates here over longer periods.
  • the seal mentioned is attached to the inside of the vault, and for this purpose the (radially inner seen from the vault) edges of the abutting segments are beveled on the entire circumference of the vault.
  • the purpose of the invention is therefore to provide such a sealing profile strip which (of course within certain limits) is insensitive to such an offset.
  • Such a sealing profile strip is characterized according to the invention by the features of claim 1.
  • FIG. 1 only serves to show the position of the sealing profile strip according to the invention in the vault or tunnel.
  • each arch is composed of several, partly curved segments 1, 2, 3 and 4
  • An identical sequence of segments 1 ', 2', 3 ', and 4' is applied to the first row in the longitudinal direction of the vault, and further such rows follow.
  • the joints created between the segments 1, 2, 3 and 4 or 1 ', 2', 3 'and 4' are, since they run in the longitudinal direction, the longitudinal joints.
  • the joint 5 between the segments 2 and 3 or 2 'and 3' is concreted.
  • the joints 6, 7, 8 and 9 running between the segments of the same number (1, 1 '; 2, 2', etc.) together form one Ring joint. This extends in its longitudinal direction over the entire arch of the arch and transversely thereto from the inside 10 of the arch to the outside 11, that is to say radially to the longitudinal axis A of the arch.
  • the sealing profile strip according to the invention is provided for this ring joint 6-9.
  • Figure 2 now shows part of an annular joint in section, ie in a plane that lies in the longitudinal axis A and penetrates the vault cladding radially to this. It is assumed that it is the joint 6, which is formed between the segments 1 and 1 '; of course, the following explanations also apply to the other sections 7-9 of the ring joint.
  • One of the segments here the segment 1, is provided with a recess or groove 13 on its end face 12. It has a flank 14 falling steeply from this end face and a flank 15 rising flatter towards the inside 10. This recess 13 serves to widen the joint 6 and thus to anchor the sealing profile strip 16. As can be seen from FIG. 2, the flank 15 and the opposite end face 17 of the segment 2 form a funnel-shaped narrowing of the joint widening mentioned towards the inside 10 what the anchoring of the bar 16 is significantly improved, a fact that will be discussed again.
  • the sealing profile strip 16 has a sealing body 18 which is known per se, which is divided by parallelogram-shaped cavities 19 and can therefore be easily compressed in width. What is new, however, is that at least one, but expediently two, sealing lips 20, 21 protrude from its longitudinal side facing the flank 15 of the segment 1.
  • the upper sealing lip 20 is longer than the lower sealing lip 21 in order to take into account the inclination of the flank 15. Both sealing lips are arranged such that they are viewed as extensions of the webs of the sealing body 18 delimiting the adjacent cavities can be, which also improves their stability.
  • the sealing body 18 itself is of such a height that its lower left corner in FIG. 2, with the segments 1, 1 'in the normal position, also touches the flank 15.
  • the task of the sealing lip 20, 21 is to make it difficult to pull the sealing profile strip 16 out of the joint 6. Therefore, the two sealing lips are bent downwards towards their free ends and therefore cling to the flank 15 when a downward pull is exerted on the bar 16. Also new is a toothing 22 on the other longitudinal side of the sealing body 18. It serves as a slip protection and thus serves the same purpose as the sealing lip 20, 21, namely as resistance against being pulled out of the joint 6. Its effect is mentioned in particular in connection with FIG. 3 discussed in more detail.
  • An extension 24 is attached to the sealing body 18 in the extension of its central longitudinal web 23, which protrudes downwards from the joint 6 in FIGS. 2-4 and is reminiscent of an anchor because of its design.
  • Such approaches have been used before; however, they only had the vertical web 25 and the two wings 26 projecting therefrom and, when viewed in reverse, were therefore referred to as mushroom-shaped approaches.
  • each side wing 26 is bent at its free end to a so-called counter lip 27, which is directed against the web 25. It is therefore no longer the wings 26 which lie sealingly against the inner sides 10 of the segments, but rather these counter lips.
  • Each of these counter lips expediently has a thickening 28 at its own free end, which is arranged asymmetrically in such a way that it forms a continuous contact surface on the tubbing with the actual counter lip 27.
  • the entire anchor-shaped projection 24 is shown in Figures 2-4 in a highly compressed state; in the unmounted state of the sealing profile strip, the two wings 26 are much stronger upwards bent, but the counter lips 27 run horizontally. Due to the strong deformation of the wings, which is largely determined by the length of the web 25, the counter lips 27 are pressed against the segments under high pressure and therefore seal well.
  • Figure 4 shows the other variant.
  • the tubbing 1 is further out than the tubbing 2.
  • the sealing effect is better in that the toothing 22 is again in full contact with the end face 17 on the right side, and the lower left corner of the sealing body 18 is also located, in contrast to the figure 3, on the edge 15.
  • This figure shows in particular that the wings 26 must be long enough for the counter lips to lie fully against the inner side 10 of the respective segment despite the slanted position of the bar 16.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Sealing Material Composition (AREA)

Abstract

The sealing profile strip for the sealing of joints (6) between two vault or tunnel cladding elements (1, 2) directed with their end faces (12, 17) towards one another has an elongated sealing body (18) and an extension (24) attached to one of its narrow sides. On one of its longitudinal sides, this sealing body (18) has two sealing lips (20, 21) which project from it. Made on the opposite side is a tooth system (22) which serves as an anti-slip means. On its web (25), the anchor-shaped extension (24) has two flukes (26) projecting away from it. An opposing lip (27) is made on the end of each fluke (26) by bending it over. The opposing lip (27) runs in the opposite direction to the fluke (26) and is directed towards the web (24). At its own free end, it has a widened portion (28) which serves as a drip strip for the ingress of seepage water. Due to this design, the sealing profile strip (16) is able to provide a sound seal even when the cladding elements are offset relative to one another to a considerable degree. <IMAGE>

Description

Die Erfindung betrifft eine Dichtungsprofilleiste aus elastischem Material für die Abdichtung von Fugen zwischen aneinanderstossen­den Gewölbe- oder Tunnelverkleidungselementen mit einem Hohlkam­mern enthaltenden länglichen Dichtungskörper und einem Ansatz, be­stehend aus Steg und seitlich von diesem abstehenden Flügeln.The invention relates to a sealing profile strip made of elastic material for sealing joints between abutting vault or tunnel cladding elements with an elongated sealing body containing hollow chambers and an extension consisting of a web and wings projecting laterally therefrom.

Zur Auskleidung von Gewölben, insbesondere von Tunnelgewölben, werden Betonelemente, die sogenannten Tübbinge, verwendet. Ent­sprechend der Krümmung des Gewölbes sind diese Tübbinge ebenfalls gekrümmt. Sie stossen mit ihren Stirnseiten aneinander, denn es ist so gut wie unmöglich, einen einzelnen Tübbing herzustellen, der den gesamten Gewölbebogen, also von der einen Seite her über das Gewölbedach hinweg bis zur anderen Seite, überspannen könnte. Dies ist schon aus herstellungs-technischen, aber auch aus Trans­portgründen (Gewicht!) nicht möglich. Der Gewölbebogen besteht also wie gesagt aus einzelnen Stücken oder Elementen. In Längs­richtung des Gewölbes oder Tunnels gesehen, folgen dann weitere Reihen gleicher Elemente, bis das gesamte Gewölbe bzw. der ge­samte Tunnel auf diese Weise ausgekleidet ist.Concrete elements, the so-called tubbings, are used to line vaults, especially tunnel vaults. In accordance with the curvature of the vault, these segments are also curved. They collide with their end faces, because it is almost impossible to create a single tubbing that could span the entire arch, i.e. from one side over the vaulted roof to the other side. This is not possible for technical reasons, but also for transport reasons (weight!). As I said, the arch of the vault consists of individual pieces or elements. Seen in the longitudinal direction of the vault or tunnel, further rows of the same elements then follow until the entire vault or the entire tunnel is lined in this way.

Durch das stirnseitige Aneinanderstossen dieser Elemente entste­hen zwischen diesen Fugen, wobei die einen radial von der Innen­zur Aussenseite des Gewölbes oder Tunnels verlaufen (sog. Ring­fugen) und die anderen sich wegen der Breite der Tübbinge in Längs­richtung des Gewölbes oder Tunnels erstrecken und daher als Längs­fugen bezeichnet werden. Vor allem die Ringfugen müssen gut abge­dichtet werden, denn es darf kein Wasser aus dem umgebenden Be­reich in das Gewölbe oder den Tunnel eintreten.The abutting of these elements on the front side creates between these joints, one running radially from the inside to the outside of the vault or tunnel (so-called ring joints) and the other extending in the longitudinal direction of the vault or tunnel due to the width of the segments and therefore referred to as longitudinal joints will. In particular, the ring joints must be well sealed, because no water from the surrounding area may enter the vault or the tunnel.

Die vorliegende Erfindung betrifft eine Dichtung für diejenigen Bereiche im durchbohrten Gelände bzw. Gebirge, in welchem Mergel- oder Lehmschichten eine grössere Ansammlung von Wasser verhindern, und dieses somit nur in kleinsten Mengen durch die Fugen tritt, also meist tropfenweise. Derart geringe Mengen können problemlos abgesaugt werden. Dennoch ist eine einwandfreie Abdichtung we­sentlich, weil das Gewölbe bzw. der Tunnel ja nicht dauernd ge­wartet werden können. Es muss also verhindert werden, dass in längeren Zeiträumen auch hier sich eine grössere Wassermenge an­sammelt.The present invention relates to a seal for those areas in the drilled terrain or mountains, in which marl or loam layers prevent a larger accumulation of water, and this therefore only passes through the joints in very small amounts, that is to say mostly in drops. Such small quantities can be sucked off without any problems. However, a perfect seal is essential because the vault or tunnel cannot be maintained all the time. It must therefore be prevented that a larger amount of water also accumulates here over longer periods.

Die erwähnte Dichtung wird an der Gewölbe-Innenseite angebracht, und zu diesem Zweck werden die (vom Gewölbe her gesehen radial inneren) Kanten der aneinanderstossenden Tübbinge am gesamten Ge­wölbeumfang angeschrägt. Dazu kommt noch in jedem Tübbing aber nur an einer Stirnseite, eine weitere Ausnehmung, der Veran­kerung der Dichtung dient. Solange die beiden Tübbinge genau auf­einanderstossen, ist die Abdichtung der durch sie gebildeten Fu­ge durch Einlage der Dichtung in diese Nut kein Problem.The seal mentioned is attached to the inside of the vault, and for this purpose the (radially inner seen from the vault) edges of the abutting segments are beveled on the entire circumference of the vault. In addition, in each tubbing there is only one end face, another recess, which serves to anchor the seal. As long as the two segments collide exactly, the sealing of the joint formed by inserting the seal in this groove is not a problem.

Schwierig wird es aber, wenn die beiden Tübbinge infolge der kaum zu vermeidenden Toleranzen in ihrer Herstellung und vor allem wegen Montage-Ungenauigkeiten nicht mehr genau aufeinander zu liegen kommen oder sich im Laufe der Zeit wegen des Wasser- und Bergdruckes radial gegeneinander verschieben, wenn also der eine Tübbing mindestens über einen Teil weniger weit von der Gewölbe-­Längsachse entfernt ist als der an ihn angrenzende. Es entsteht dort eine Abstufung, der sogenannte Versatz. Die Dichtung liegt dadurch nicht mehr genau in der Radialebene des Gewölbes, son­dern wird schräg zu dieser gestellt, muss aber dennoch ihre Dicht­funktion ausüben können.It becomes difficult, however, if the two segments do not come to lie exactly on top of one another due to the tolerances that can hardly be avoided in their manufacture and especially because of assembly inaccuracies, or if they move radially over time due to the water and mountain pressure, if so one segment is at least a part less distant from the longitudinal axis of the vault than the one adjacent to it. There is a gradation, the so-called offset. As a result, the seal no longer lies exactly in the radial plane of the vault, but is placed at an angle to it, but must nevertheless be able to perform its sealing function.

Zweck der Erfindung ist es also, eine solche Dichtungs-Profillei­ste zu schaffen, die (natürlich innerhalb gewisser Grenzen) gegen einen solchen Versatz unempfindlich ist.The purpose of the invention is therefore to provide such a sealing profile strip which (of course within certain limits) is insensitive to such an offset.

Eine solche Dichtungs-Profilleiste ist erfindungsgemäss durch die Merkmale des Anspruches 1 gekennzeichnet.Such a sealing profile strip is characterized according to the invention by the features of claim 1.

Ein Ausführungsbeispiel der erfindungsgemässen Dichtungsleiste wird anhand der beiliegenden Zeichnungen näher erläutert; es zei­gen:

  • Figur 1 eine perspektivische Ansicht eines Gewölbes oder Tunnels zur Erläuterung der verschiedenen Fugen und Anbringung der Dichtungsprofilleiste;
  • Figur 2 die Dichtungs-Profilleiste zwischen zwei Tübbingen in deren korrekter Lage.
  • Figur 3 dasselbe in einer Lage, in welche der eine Tübbing gegenüber andern nach innen versetzt ist und
  • Figur 4 dann, wenn der andere Tübbing nach innen versetzt ist.
An embodiment of the sealing strip according to the invention is explained in more detail with reference to the accompanying drawings; show it:
  • Figure 1 is a perspective view of a vault or tunnel to explain the various joints and attachment of the sealing profile strip;
  • Figure 2 shows the sealing profile strip between two segments in their correct position.
  • Figure 3 the same in a position in which one tubbing is offset in relation to others and
  • Figure 4 when the other tubbing is offset inwards.

Figur 1 dient lediglich dazu, die Lage der erfindungsgemässen Dichtungs-Profilleiste im Gewölbe oder Tunnel darzustellen. Wie ersichtlich, ist jeder Gewölbebogen aus mehreren, teilweise ge­bogenen Tübbingen 1, 2, 3, und 4 zusammengesetztFigure 1 only serves to show the position of the sealing profile strip according to the invention in the vault or tunnel. As can be seen, each arch is composed of several, partly curved segments 1, 2, 3 and 4

Eine gleiche Reihenfolge von Tübbingen 1′, 2′, 3′, und 4′ ist in Längsrichtung des Gewölbes an die erste Reihe angelegt, und weitere solche Reihen folgen. Die zwischen den Tübbingen 1, 2, 3 und 4 bzw. 1′, 2′, 3′ und 4′ entstandenen Fugen sind, da sie in Längsrichtung verlaufen, die Längsfugen. Die Fuge 5 zwischen den Tübbingen 2 und 3 bzw. 2′ und 3′ wird ausbetoniert. Die jeweils zwischen den Tübbingen gleicher Nummernzahl (1, 1′; 2, 2′ usw) verlaufenden Fugen 6, 7, 8 und 9 bilden zusammen eine Ringfuge. Diese erstreckt sich in ihrer Längsrichtung über den gesamten Gewölbebogen und quer dazu von der Gewölbe-Innen­seite 10 zur Aussenseite 11, also radial zur Längsachse A des Gewölbes. Die erfindungsgemässe Dichtungsprofilleiste ist für diese Ringfuge 6-9 vorgesehen.An identical sequence of segments 1 ', 2', 3 ', and 4' is applied to the first row in the longitudinal direction of the vault, and further such rows follow. The joints created between the segments 1, 2, 3 and 4 or 1 ', 2', 3 'and 4' are, since they run in the longitudinal direction, the longitudinal joints. The joint 5 between the segments 2 and 3 or 2 'and 3' is concreted. The joints 6, 7, 8 and 9 running between the segments of the same number (1, 1 '; 2, 2', etc.) together form one Ring joint. This extends in its longitudinal direction over the entire arch of the arch and transversely thereto from the inside 10 of the arch to the outside 11, that is to say radially to the longitudinal axis A of the arch. The sealing profile strip according to the invention is provided for this ring joint 6-9.

Figur 2 zeigt nun einen Teil einer Ringfuge im Schnitt, also in einer Ebene, die in der Längsachse A liegt und die Gewölbe­verkleidung radial zu dieser durchsetzt. Es sei angenommen, dass es sich um die Fuge 6 handelt, die zwischen den Tübbingen 1 und 1′ ausgebildet ist; selbstverständlich gelten die nachfolgenden Aus­führungen auch für die anderen Abschnitte 7-9 der Ringfuge.Figure 2 now shows part of an annular joint in section, ie in a plane that lies in the longitudinal axis A and penetrates the vault cladding radially to this. It is assumed that it is the joint 6, which is formed between the segments 1 and 1 '; of course, the following explanations also apply to the other sections 7-9 of the ring joint.

Jeweils einer der Tübbinge, hier der Tübbing 1, ist an seiner Stirn­seite 12 mit einer Vertiefung oder Nut 13 versehen. Sie weist eine von dieser Stirnseite steil abfallende Flanke 14 und eine gegen die Innenseite 10 hin flacher ansteigende Flanke 15 auf. Diese Vertiefung 13 dient zur Verbreiterung der Fuge 6 und damit zur Verankerung der Dichtungs-Profilleiste 16. Wie aus Figur 2 ersichtlich, bilden die Flanke 15 und die gegenüberliegende Stirn­seite 17 des Tübbings 2 eine trichterförmige Verengung der genann­ten Fugenverbreiterung gegen die Innenseite 10 hin, was die Ver­ankerung der Leiste 16 wesentlich verbessert, ein Umstand, auf den noch zurückgekommen wird.One of the segments, here the segment 1, is provided with a recess or groove 13 on its end face 12. It has a flank 14 falling steeply from this end face and a flank 15 rising flatter towards the inside 10. This recess 13 serves to widen the joint 6 and thus to anchor the sealing profile strip 16. As can be seen from FIG. 2, the flank 15 and the opposite end face 17 of the segment 2 form a funnel-shaped narrowing of the joint widening mentioned towards the inside 10 what the anchoring of the bar 16 is significantly improved, a fact that will be discussed again.

Die Dichtungs-Profilleiste 16 weist einen zwar an und für sich bekannten Dichtungskörper 18 auf, der durch parallelogrammförmige Hohlräume 19 unterteilt ist und sich daher in der Breite leicht komprimieren lässt. Neu ist hingegen, dass von seiner der Flanke 15 des Tübbing 1 zugewendeten Längsseite wenigstens eine, zweck­mässigerweise jedoch zwei Dichtlippen 20, 21 wegragen. Die obere Dichtlippe 20 ist länger als die untere Dichtlippe 21, um der Neigung der Flanke 15 Rechnung zu tragen. Beide Dichtlippen sind so angeordnet, dass sie als Verlängerungen der die benachbarten Hohlräume begrenzenden Stege des Dichtungskörpers 18 betrachtet werden können, wodurch auch ihre Stabilität verbessert wird. Der Dichtungskörper 18 selber weist eine solche Höhe auf, dass seine in Figur 2 untere linke Ecke bei Normalstellung der Tübbinge 1, 1′, die Flanke 15 ebenfalls berührt. Aufgabe der Dichtlippe 20, 21 ist es, das Herausziehen der Dichtungs-Profilleiste 16 aus der Fuge 6 zu erschweren. Deshalb sind die beiden Dichtlippen gegen ihre freien Enden hin nach unten abgebogen und verkrallen sich daher an der Flanke 15, wenn ein Zug nach unten auf die Leiste 16 ausgeübt wird. Ebenfalls neu ist eine Verzahnung 22 auf der anderen Längsseite des Dichtungskörpers 18. Sie dient als Rutsch­sicherung und somit demselben Zweck wie die Dichtlippe 20, 21, nämlich als Widerstand gegen das Herausziehen aus der Fuge 6. Auf ihre Wirkung wird namentlich im Zusammenhang mit Figur 3 noch näher eingegangen.The sealing profile strip 16 has a sealing body 18 which is known per se, which is divided by parallelogram-shaped cavities 19 and can therefore be easily compressed in width. What is new, however, is that at least one, but expediently two, sealing lips 20, 21 protrude from its longitudinal side facing the flank 15 of the segment 1. The upper sealing lip 20 is longer than the lower sealing lip 21 in order to take into account the inclination of the flank 15. Both sealing lips are arranged such that they are viewed as extensions of the webs of the sealing body 18 delimiting the adjacent cavities can be, which also improves their stability. The sealing body 18 itself is of such a height that its lower left corner in FIG. 2, with the segments 1, 1 'in the normal position, also touches the flank 15. The task of the sealing lip 20, 21 is to make it difficult to pull the sealing profile strip 16 out of the joint 6. Therefore, the two sealing lips are bent downwards towards their free ends and therefore cling to the flank 15 when a downward pull is exerted on the bar 16. Also new is a toothing 22 on the other longitudinal side of the sealing body 18. It serves as a slip protection and thus serves the same purpose as the sealing lip 20, 21, namely as resistance against being pulled out of the joint 6. Its effect is mentioned in particular in connection with FIG. 3 discussed in more detail.

Am Dichtungskörper 18 ist in Verlängerung seines mittleren Längs­steges 23 ein Ansatz 24 angebracht, der in den Figuren 2 - 4 nach unten aus der Fuge 6 herausragt und wegen seiner Ausbildung an einen Anker erinnert. Zwar waren solche Ansätze schon früher im Gebrauch; sie wiesen aber nur den Vertikalsteg 25 und die von diesem wegragenden beiden Flügel 26 auf und wurden daher, wenn man sie umgekehrt betrachtete, als pilzförmige Ansätze bezeichnet. Neu ist nun, dass jeder seitliche Flügel 26 an seinem freien Ende zu einer sogenannten Gegenlippe 27 umgebogen ist, die gegen den Steg 25 hingerichtet ist. Es sind also nicht mehr die Flügel 26, welche abdichtend an den Innenseiten 10 der Tübbinge anliegen, sondern diese Gegenlippen. Jede dieser Gegenlippe weist an ihrem eigenen freien Ende zweckmässigerweise eine Verdickung 28 auf, die so asymmetrisch angeordnet ist, dass sie mit der eigentlichen Gegenlippe 27 eine durchgehende Anlagefläche an den Tübbing bildet. Auf deren Bedeutung wird noch zurückgekommen. Der gesamte anker­förmige Ansatz 24 ist in den Figuren 2 - 4 in stark komprimierten Zustand dargestellt; im nichtmontierten Zustand der Dichtungs- Profilleiste sind die beiden Flügel 26 viel stärker nach oben durchgebogen, wobei aber die Gegenlippen 27 horizontal verlaufen. Durch die starke Deformation der Flügel, die durch die Länge des Steges 25 wesentlich mitbestimmt wird, werden die Gegenlippen 27 unter hohem Druck an die Tübbinge angepresst und dichten daher gut ab.An extension 24 is attached to the sealing body 18 in the extension of its central longitudinal web 23, which protrudes downwards from the joint 6 in FIGS. 2-4 and is reminiscent of an anchor because of its design. Such approaches have been used before; however, they only had the vertical web 25 and the two wings 26 projecting therefrom and, when viewed in reverse, were therefore referred to as mushroom-shaped approaches. What is new is that each side wing 26 is bent at its free end to a so-called counter lip 27, which is directed against the web 25. It is therefore no longer the wings 26 which lie sealingly against the inner sides 10 of the segments, but rather these counter lips. Each of these counter lips expediently has a thickening 28 at its own free end, which is arranged asymmetrically in such a way that it forms a continuous contact surface on the tubbing with the actual counter lip 27. We will return to their meaning later. The entire anchor-shaped projection 24 is shown in Figures 2-4 in a highly compressed state; in the unmounted state of the sealing profile strip, the two wings 26 are much stronger upwards bent, but the counter lips 27 run horizontally. Due to the strong deformation of the wings, which is largely determined by the length of the web 25, the counter lips 27 are pressed against the segments under high pressure and therefore seal well.

Die Frage erhebt sich, weshalb die Fuge nicht mit einer einfachen Dichtungs-Profilleiste, die nur den hier gezeigten, schon bekann­ten Dichtungskörper 18 ohne die Dichtlippe 20, 21 aufweist, abge­dichtet werden kann. Man könnte meinen, dass dieser Körper, der wie erwähnt wegen seiner Hohlräume 19 in der Breite sehr elas­tisch ist, einfach breit genug gestaltet werden müsste, damit durch eine starke Kompression beim Einsetzen in die Fuge 6 eine ausreichende Abdichtung erzielt wird.The question arises, why the joint cannot be sealed with a simple sealing profile strip, which only has the already known sealing body 18 shown here without the sealing lip 20, 21. One might think that this body, which, as mentioned, is very elastic in width due to its cavities 19, would simply have to be designed wide enough so that a sufficient seal is achieved by a strong compression when inserted into the joint 6.

Der Grund liegt darin, dass die Fugen bei Tunnels oder anderen unterirdischen Gewölben alles andere als regelmässige, glatte Wände aufweisende Zwischenräume sind. Eindringendes Wasser, wel­ches in den Fugen verdunstet, lagert seinen Kalk ab, und diese Versinterungen machen die Oberfläche derart rauh, dass eine ge­wöhnliche Kompressionsdichtung nicht mehr wirksam genug ist. Im weiteren unterscheidet sich praktisch jede einzelne Fuge von den andern, sei es durch weggebrochene Stellen, insbesondere an den Kanten, oder durch Toleranzen in der Lage benachbarter Tübinge zueinander, die zu dem schon erwähnten Versatz führen. Die Dich­tungsprofilleiste muss daher in der Lage sein, auch dann noch einwandfrei zu dichten, wenn alle genannten Unregelmässigkeiten gleichzeitig auftreten.The reason for this is that the joints in tunnels or other underground vaults are anything but regular gaps with smooth walls. Penetrating water, which evaporates in the joints, deposits its lime, and these sintering processes make the surface so rough that an ordinary compression seal is no longer effective enough. In addition, practically every single joint differs from the other, be it through broken-off points, especially at the edges, or through tolerances in the position of neighboring tubules with respect to one another, which lead to the offset already mentioned. The sealing profile strip must therefore be able to seal properly even if all of the irregularities mentioned occur simultaneously.

Deutlich geht dies aus den Figuren 3 und 4 hervor. Hier ist der Tübing 1 aus irgendwelchen Gründen, entweder durch Montagetole­ranzen oder nachträglich unter Wirkung des Bergdruckes, gegen­über dem Tübbing 2 gegen das Innere des Tunnels verschoben. Die Nut 13 ist damit gegenüber dem Tübbing 2 verschoben, was eine deutlich sichtbare Schrägstellung der Dichtungs-Profil­leiste 16 zur Folge hat, gleichzeitig mit einer Lageverschiebung gegen den unteren abgeschrägten Rand des Tübbings 2 hin. Nun wird auch der Wert der Rutschsicherung oder Verzahnung 22 sichtbar; die rechte Seite des Dichtungskörpers 18 liegt nur noch an der Kante am Uebergang von der Stirnseite 17 zur Anschrägung 29 auf. Ohne diese Verzahnung 22 hätte sie keinen rechten Halt mehr. Auf der gegenüberliegenden Seite liegen jedoch die beiden Dichtlip­pen 20, 21 nach wie vor gut an der Flanke 15 an. Dasselbe gilt für die Gegenlippen 27, trotz der Schrägstellung des ankerförmi­gen Ansatzes 24 und seiner Flügel 26.This is clearly shown in FIGS. 3 and 4. Here, for some reason, the tubbing 1 is displaced towards the tubbing 2 against the inside of the tunnel, either due to assembly tolerances or subsequently under the effect of the mountain pressure. The groove 13 is thus shifted relative to the segment 2, which results in a clearly visible inclined position of the sealing profile strip 16, at the same time as a shift in position towards the lower, beveled edge of the segment 2. Now the value of the anti-slip device or toothing 22 is also visible; the right side of the sealing body 18 is only on the edge at the transition from the end face 17 to the bevel 29. Without this toothing 22 it would no longer have a proper grip. On the opposite side, however, the two sealing lips 20, 21 are still in good contact with the flank 15. The same applies to the counter lips 27, despite the inclined position of the anchor-shaped extension 24 and its wings 26.

Hier soll nun auf die schon erwähnte Bedeutung der Verdickungen 28 an den Gegenlippen 27 zurückgekommen werden. Wie aus den Figu­ren 2 - 4 ersichtlich, bilden das untere Ende des Steges 24, vor allem aber die Flügel 26 und die Gegenlippen 27 je zwei breite Kanäle. Sickerwasser, das trotz guter Abdichtung entweder an den Dichtlippen 20, 21 oder namentlich an der Verzahnung in deren Stel­lung gemäss Figur 3 nach unten gelangen kann, erreicht nun die Innenseite 10 der beiden Tübbinge. Es muss daran erinnert werden, dass es sich um sehr geringe Wassermengen, meistens nur mit ein­zelnen Tropfen pro Zeiteinheit, handelt, und sich dieses Wasser daher wegen der Oberflächenspannung sich an der Oberfläche der Tübinge bewegt. Erreicht es nun die beiden Verdickungen, löst es sich wegen der Aenderung dieser Oberflächenspannung von den Tü­bbingen, fliesst über die entsprechende Verdickung 28, löst sich auch dort und tropft auf den darunterliegenden Flügel. Da die ganze Dichtungs-Profilleiste gemäss Figur 1 in Längsrichtung ver­läuft, kann das Wasser auf diese Weise aus dem Tunnel herausge­leitet, allenfalls abgesaugt werden. Damit ist praktisch jedes Eindringen von Wasser in den Tunnel vermieden. Zu beachten ist, dass sich der genannte Kanal auch bei einer starken Schräglage des Flügels ausbildet, wie dies aus Figur 3 am rechten Flügel erkennbar ist, der wegen der Schräglage der ganzen Leiste 16 ziemlich steil zur entsprechenden Gegenlippe 27 hin ansteigt.The meaning of the thickenings 28 on the counter lips 27 already mentioned will now be returned to. As can be seen from FIGS. 2-4, the lower end of the web 24, but above all the wings 26 and the counter lips 27 each form two wide channels. Leachate, which despite good sealing either on the sealing lips 20, 21 or in particular on the teeth in their position according to FIG. 3, can now reach the inside 10 of the two segments. It must be remembered that there are very small amounts of water, usually only with single drops per unit of time, and this water therefore moves on the surface of the tubules due to the surface tension. If it now reaches the two thickenings, it detaches from the segments due to the change in this surface tension, flows over the corresponding thickening 28, also dissolves there and drips onto the wing below. Since the entire sealing profile strip according to FIG. 1 runs in the longitudinal direction, the water can be led out of the tunnel in this way, if necessary suctioned off. This virtually prevents water from entering the tunnel. It should be noted that the channel mentioned also forms when the wing is strongly inclined, as can be seen from FIG. 3 on the right wing, which rises rather steeply towards the corresponding counter lip 27 due to the inclined position of the entire strip 16.

Figur 4 zeigt die andere Variante. Hier liegt der Tübbing 1 weiter aussen als der Tübbing 2. Die Dichtwirkung ist hier insofern bes­ser, als auf der rechten Seite die Verzahnung 22 wieder voll an der Stirnseite 17 anliegt, ebenfalls liegt auch die untere linke Ecke des Dichtungskörpers 18, im Gegensatz zu Figur 3, an der Flanke 15 an. Es zeigt sich namentlich bei dieser Figur, dass die Flügel 26 lang genug sein müssen, damit die Gegenlippen trotz Schräglage der Leiste 16 voll auf der Innenseite 10 des jeweili­gen Tübbings anliegen.Figure 4 shows the other variant. Here, the tubbing 1 is further out than the tubbing 2. The sealing effect is better in that the toothing 22 is again in full contact with the end face 17 on the right side, and the lower left corner of the sealing body 18 is also located, in contrast to the figure 3, on the edge 15. This figure shows in particular that the wings 26 must be long enough for the counter lips to lie fully against the inner side 10 of the respective segment despite the slanted position of the bar 16.

Dort wo gemäss Figur 1 die Längsfuge sich mit einer Ringfuge kreuzt, fehlt natürlich bei der durchgehenden Dichtungs-Profil­leiste das Auflager für die beiden Gegenlippen. An jener Stelle wird daher eine Unterlage aus sogenanntem Moosgummi, einem aus hartem, geschlossenen zellenbildenden Kautschuk bestehenden Ma­terial angebracht, so dass auch dort die Dichtung gewährleistet ist.Where, according to FIG. 1, the longitudinal joint intersects with an annular joint, the support for the two counter lips is of course missing in the continuous sealing profile strip. At this point, a base made of so-called foam rubber, a material made of hard, closed cell-forming rubber, is attached, so that the seal is also guaranteed there.

Claims (7)

1. Dichtungsprofilleiste aus elastischem Material für die Abdich­tung von Fugen zwischen aneinanderstossenden Gewölbe- oder Tunnelverkleidungselementen (1, 2), mit einem Hohlkammern ent­haltenden länglichen Dichtungskörper (18) und einem Ansatz (24), bestehend aus Steg (25) und seitlich von diesem abstehenden Flügeln (26), dadurch gekennzeichnet, dass am Dichtungskörper (18) auf dessen einer Längsseite wenig­stens eine Dichtlippe (20) angebracht ist, die seitlich von ihm absteht, dass der Steg (25) des Ansatzes (24) in Verlängerung des Dichtungskörpers (18) an dessen einer Schmalseite angebracht ist, und dass am freien Ende jedes Flügels (26) des Ansatzes eine Gegenlippe (27) angebracht ist, die entgegengesetzt zum Flügel, gegen den Steg (24) hin, gerichtet ist.1. Sealing profile strip made of elastic material for the sealing of joints between abutting vault or tunnel cladding elements (1, 2), with an elongated sealing body (18) containing hollow chambers and an extension (24) consisting of a web (25) and laterally projecting therefrom Wings (26), characterized in that at least one sealing lip (20) is attached to the sealing body (18) on one longitudinal side thereof, which protrudes laterally from it, that the web (25) of the extension (24) extends the sealing body (18 ) is attached to one narrow side, and that at the free end of each wing (26) of the approach a counter lip (27) is attached, which is directed opposite to the wing, against the web (24). 2. Leiste nach Anspruch 1, dadurch gekennzeich­net, dass jede Gegenlippe (27) an ihrem eigenen freien Ende mit einer Verdickung (28) versehen ist.2. Strip according to claim 1, characterized in that each counter lip (27) is provided at its own free end with a thickening (28). 3. Leiste nach Anspruch 2, dadurch gekennzeich­net, dass die Verdickung (28) mit der eigentlichen Gegen­lippe (27) zusammen eine durchgehende Fläche zwecks Anlage an eines der Verkleidungselemente (1, 2) bildet.3. Strip according to claim 2, characterized in that the thickening (28) with the actual counter lip (27) together forms a continuous surface for the purpose of contact with one of the cladding elements (1, 2). 4. Leiste nach Anspruch 1, dadurch gekennzeich­net, dass jeder Flügel (26) eine Krümmung vom Steg (24) des Ansatzes weg gegen den Dichtungskörper (18) hin aufweist, um einen Fliesskanal zu bilden.4. A strip according to claim 1, characterized in that each wing (26) has a curvature away from the web (24) of the extension against the sealing body (18) to form a flow channel. 5. Leiste nach Anspruch 1, dadurch gekennzeich­net, dass zwei Dichtlippen (20, 21) am Dichtungskörper (18) angebracht sind.5. Strip according to claim 1, characterized in that two sealing lips (20, 21) are attached to the sealing body (18). 6. Leiste nach Anspruch 5, dadurch gekennzeich­net, dass die freien Enden derselben gegen den Ansatz (24) hin abgebogen sind.6. bar according to claim 5, characterized in that the free ends thereof are bent towards the neck (24). 7. Leiste nach Anspruch 1 oder 5, dadurch gekenn­zeichnet, dass an der der Dichtlippe (20) bzw. den Dichtlippen (20, 21) gegenüberliegenden Längsseite eine Ver­zahnung (22) angebracht ist.7. Strip according to claim 1 or 5, characterized in that on the longitudinal side of the sealing lip (20) or the sealing lips (20, 21) opposite teeth (22) is attached.
EP90103998A 1989-09-01 1990-03-01 Sealing strip for the sealing of joints of vault or tunnel cladding elements Expired - Lifetime EP0414991B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90103998T ATE92588T1 (en) 1989-09-01 1990-03-01 SEALING STRIP FOR SEALING JOINTS IN CURVED OR TUNNEL COVERING ELEMENTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3178/89A CH679061A5 (en) 1989-09-01 1989-09-01
CH3178/89 1989-09-01

Publications (2)

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EP0414991A1 true EP0414991A1 (en) 1991-03-06
EP0414991B1 EP0414991B1 (en) 1993-08-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103998A Expired - Lifetime EP0414991B1 (en) 1989-09-01 1990-03-01 Sealing strip for the sealing of joints of vault or tunnel cladding elements

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Country Link
EP (1) EP0414991B1 (en)
AT (1) ATE92588T1 (en)
CH (1) CH679061A5 (en)
DE (1) DE59002175D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0855494A1 (en) * 1997-01-28 1998-07-29 Phoenix France Flexible sealing joint for drain slots in tunnel walls
CN112368462A (en) * 2018-07-02 2021-02-12 海瑞克股份公司 Tunnel lining assembled from at least two concrete elements

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114016551B (en) * 2021-10-13 2022-11-22 浙江万华建设有限公司 Water seepage early warning type deformation joint for basement bottom plate and construction method of water seepage early warning type deformation joint

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH483522A (en) * 1969-02-11 1969-12-31 Daetwyler Ag Method for sealing rock walls
FR2250003A1 (en) * 1973-11-06 1975-05-30 Uti Profiled joint between prefabricated components - has cover lip with face glued to give component forming initial seal
FR2616872A1 (en) * 1987-06-17 1988-12-23 Phoenix Sa Section for stopping up a drainage groove, and stopping up method using this section

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH483522A (en) * 1969-02-11 1969-12-31 Daetwyler Ag Method for sealing rock walls
FR2250003A1 (en) * 1973-11-06 1975-05-30 Uti Profiled joint between prefabricated components - has cover lip with face glued to give component forming initial seal
FR2616872A1 (en) * 1987-06-17 1988-12-23 Phoenix Sa Section for stopping up a drainage groove, and stopping up method using this section

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0855494A1 (en) * 1997-01-28 1998-07-29 Phoenix France Flexible sealing joint for drain slots in tunnel walls
FR2758854A1 (en) * 1997-01-28 1998-07-31 Phoenix France FLEXIBLE SEAL FOR THE CAULKING OF A DRAINAGE HINT DONE IN A WALL, IN PARTICULAR IN THE WALL OF A TUNNEL
CN112368462A (en) * 2018-07-02 2021-02-12 海瑞克股份公司 Tunnel lining assembled from at least two concrete elements

Also Published As

Publication number Publication date
CH679061A5 (en) 1991-12-13
ATE92588T1 (en) 1993-08-15
DE59002175D1 (en) 1993-09-09
EP0414991B1 (en) 1993-08-04

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