EP0194567B1 - Device for bridging expansion joints, particularly in bridges, road sections or the like - Google Patents

Device for bridging expansion joints, particularly in bridges, road sections or the like Download PDF

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Publication number
EP0194567B1
EP0194567B1 EP86102883A EP86102883A EP0194567B1 EP 0194567 B1 EP0194567 B1 EP 0194567B1 EP 86102883 A EP86102883 A EP 86102883A EP 86102883 A EP86102883 A EP 86102883A EP 0194567 B1 EP0194567 B1 EP 0194567B1
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EP
European Patent Office
Prior art keywords
joint
arrangement
depression
edge
bulge
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EP86102883A
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German (de)
French (fr)
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EP0194567A2 (en
EP0194567A3 (en
Inventor
Günter Buckenauer
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Friedrich Maurer Soehne GmbH and Co KG
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Friedrich Maurer Soehne GmbH and Co KG
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Application filed by Friedrich Maurer Soehne GmbH and Co KG filed Critical Friedrich Maurer Soehne GmbH and Co KG
Priority to AT86102883T priority Critical patent/ATE53413T1/en
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Publication of EP0194567A3 publication Critical patent/EP0194567A3/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/06—Arrangement, construction or bridging of expansion joints

Definitions

  • the invention relates to a device for bridging expansion joints, in particular in bridges, roadway parts or the like, according to the preamble of patent claim 1.
  • German Patent 2 808 386 A device of this type is known from German Patent 2 808 386. If this known device, which has a non-accessible sealing profile strip and therefore can only be used for very narrow joints, a greater tensile stress or a one-sided vertical thrust occurs, a gap can open between the joint edge profile and the sealing tape received therein, in the moisture and dirt can penetrate. In the long run, this leads to damage to the sealing tape, and the joint edge profile can also be affected by corrosion.
  • the invention has for its object to improve a device for bridging expansion joints of the type mentioned so that the penetration of dirt and moisture into the cavity of the joint edge is avoided with certainty, even with considerable tensile stress and one-sided vertical thrust, so that the service life this device is significantly extended.
  • the joint bridging device not only is the thickening formed on both sides of the sealing tape wedged in the cavity of the joint edge, so that the sealing tape is held securely in the joint edges, but a pretension is generated in the edge area of the cavity in the sealing tape there .
  • a projecting nose which is formed on the thickening of the sealing tape, is compressed in the installed position, which results in the contact pressure which prevents the sealing tape from coming loose from the inner wall of the cavity in the region of the edge sections.
  • the size of the pretension can be determined by choosing a suitable inclination of the nose to be compressed so that the tensile forces acting in the direction of the joint and the vertical forces acting perpendicularly to it in practice are smaller than the pretension of the sealing tape arranged in the cavity.
  • the protruding nose is expediently formed in an area which abuts an edge section of the cavity. This measure ensures that the desired contact pressure exists at both edge sections of the cavity, so that any penetration of dirt and moisture into the cavity is reliably avoided.
  • the joint edge profile forming the respective cavity has a trough-shaped depression with an essentially horizontal and an essentially vertical edge section.
  • the horizontal load-bearing surface extends approximately halfway up the depression in the direction of the joint, while the vertical edge section runs on the side facing away from the joint to the upper edge of the road. The thickening of the sealing tape, which is pressed into the cavity of such a joint edge profile, is thus under pretension on the one hand against the vertical edge section of the cavity, while on the other hand it lies snugly on the horizontal load-bearing surface, so that there is always a load-bearing support for the sealing tape.
  • the vertical edge section can be an inwardly flanged edge of the joint edge profile, the lower horizontal edge of which is gripped by the supporting surface of the thickening. Since the thickening of the sealing tape is pressed obliquely from top to bottom into the cavity, this arrangement of the inner surface of the cavity adjacent to the supporting surface ensures a reliable wedging of the sealing tape, while the buttoning of the thickening into the cavity is easy to carry out is.
  • the projecting nose is formed in the area of the thickening which, in the installed position, rests on the vertical edge section of the joint edge profile. Due to the compressed nose in the installation position, the penetration of dirt and moisture is prevented in this particularly vulnerable area even if tensile forces occur in the sealing tape when the joints are opened. At the same time, a contact pressure of the thickening is generated against the horizontal load-bearing surface of the joint edge profile, so that when the joints are narrowed, the thickening bulges and the sealing tape is prevented from coming loose from the horizontal load-bearing surface.
  • the support surface of the thickening extends inclined in the direction pointing away from the joint, that is to say drops off to the outside of the sealing tape. Accordingly, the edge of the joint edge profile is inclined corresponding to the supporting surface of the thickening, so that in the installed position of the thickening a contact pressure is also generated in the region of the supporting surface, which ensures a firm hold and a secure seal in this area.
  • the thickening shows in Area of the support surface advantageously has a cavity, which is either formed by a hollow chamber or a through hole and enables the projection adjacent to the support surface to move in the direction of this cavity when the sealing tape is inserted into the joint edge profile.
  • the width of the thickening expediently has an excess in relation to the entry cross section of the joint edge profile, so that the sealing tape with the thickening and the pretension is held in the joint edge profile.
  • the projecting nose expediently runs in the relaxed state essentially at an acute angle to the corresponding wall section. A largely uniform distribution of the pretension can thereby be achieved.
  • the thickening in the installed position has an essentially horizontal section which bears against the horizontal load-bearing surface of the joint edge profile. This creates a large-area support for the sealing tape in this area, which is always load-bearing due to the pretension. In this way, the sealing tape can withstand the acting traffic load for a long time, so that its service life is considerably extended.
  • the top of the thickening is aligned with the upper edge of the road.
  • the sealing tape is designed as a hollow profile in the region of the joint.
  • the hollow profile is formed by diamond-shaped ribs.
  • the underside of the hollow profile is generally V-shaped.
  • the hollow profile has advantageous V-shaped cavities between the diamond-shaped ribs, the upper edges of which are aligned with the built-in thickening and the upper edge of the roadway.
  • the diagonally extending ribs stabilize the hollow profile of the sealing tape located between the joint edges in such a way that a completely flat design of the surface of the sealing tape adjacent to the traffic surface is ensured in every joint position, that is to say even when the joint is narrow.
  • the thickening 2 has a flat upper side 3 which, when the sealing tape 1 is in the installed state, runs flush with the top edge 4 of the road (FIGS. 2 and 4), and a lower contact surface 5 which forms a support for the thickening.
  • the thickening 2 is also provided with a nose 6, which is compressed in the installed state of the sealing tape, so that it then runs essentially vertically or horizontally.
  • the thickening 2 merges into a web 8 at its lower end section, which ends in a bead 9.
  • the thickening 2 has about halfway up the left edge in FIG. 1 a projection 7b adjoining the support surface 7, which protrudes from the inside outwards and in the installed state (FIG. 4) against a lower edge 18 (FIG. 2) Facility is coming. In this area there is also a cavity 7a, which enables the projection 7b to be pressed inwards in the direction of the cavity when the thickening 2 is inserted into the joint edge profile 12 (see FIG. 3).
  • FIG. 2 shows a joint cross section with a concrete substructure 11 adjacent to the joint 10.
  • the joint edge profile 12 is embedded in a plastic concrete bed 13, to which the road asphalt 14 is connected.
  • the joint edge profiles 12 have a substantially trough-shaped cavity 15.
  • a horizontal load-bearing surface 16 extends approximately halfway up the joint edge profile 12 in the direction of the joint 10.
  • a vertical edge section 17 is formed on the edge of the joint edge profile 12 and extends to the top edge 4 of the roadway.
  • Fig. 3 it is shown how the sealing tape 1 with the thickening 2 is inserted into the joint edge profile 12.
  • the projection 7b adjoining the support surface 7 is pressed inward in the direction of the cavity 7a, so that the thickening 2 can be introduced into the trough-shaped cavity 15 through the narrowed cross section 22.
  • Fig. 4 shows the fully installed sealing tape
  • the side thickenings 2 are aligned with their tops with the top edge 4 of the roadway.
  • the nose 6 is compressed and lies against the vertical edge section 17.
  • the projection 7b bears against the edge 18, the projection 7b forms a support surface of the thickening 2 in the cavity.
  • the web 8 with the bead 8 is bent towards the joint, so that the bead 9 abuts slightly above the support surface 7 on an inner wall section of the joint edge profile 12 and the thickening 2, and the thickening 2 is wedged in the cavity 15.
  • the horizontal bearing surface 5 of the thickening 2 lies under prestress on the horizontal load-bearing surface 16 of the joint edge profile 12, so that the thickening has a total of 3 bearing surfaces 5, 6 and 7, which are pressed against the inner wall of the cavity 15. This design ensures a secure, gapless fit of the sealing tape in the joint edge profile.
  • the sealing tape 1 is designed as a hollow profile 19.
  • This hollow profile consists of diamond-shaped ribs 20, the individual diamonds on the top of the hollow profile 19 being aligned with the built-in thickening 2 and the top edge 4 of the roadway.
  • V-shaped cavities 21 are located on the upper side of the hollow profile between the individual rhombuses.
  • the hollow profile 19 is shaped overall in a V-shape.
  • the diagonally running ribs 20 enable the vertical loads to be removed properly towards the joint edge. Due to its special design, the hollow profile is stabilized in such a way that its surface is perfectly aligned with the top of the road even when the joint is narrow.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The assembly for bridging over expansion joints comprises sealing band of elastic material which bridges over the joint, which sealing band, for being secured in upward open cavities, includes thickenings substantially filling up said cavities and extending in joint edge profiles at both sides in the longitudinal direction of the profile. Said thickenings include a support surface engaging in the inserted position with an appropriate pressing surface of the joint edge profile, said thickening being wedged in the cavity by means of a bulge formed thereon. Said thickening includes a nose formed thereon, which in the inserted position is pressed together in a manner that in the marginal portions of the cavity between the thickening and the joint edge profile there is a contact pressure. Thus it can be avoided that under the effect of any forces there opens a slit between the sealing band and the joint edge profile, whereinto moisture or dirt may make their way.

Description

Die Erfindung betrifft eine Vorrichtung zur Überbrückung von Dehnungsfugen, insbesondere in Brücken, Fahrbahnteilen oder dergleichen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for bridging expansion joints, in particular in bridges, roadway parts or the like, according to the preamble of patent claim 1.

Eine Vorrichtung dieser Art ist aus der deutschen Patentschrift 2 808 386 bekannt. Wenn bei dieser bekannten Vorrichtung, die einen nicht befahrbaren Dichtungsprofilstreifen aufweist und daher nur für sehr schmale Fugen anwendbar ist, eine größere Zugbeanspruchung oder ein einseitiger Vertikalschub auftritt, kann sich zwischen dem Fugenrandprofil und dem darin aufgenommenen Dichtungsband ein Spalt öffnen, in den Feuchtigkeit und Schmutz eindringen kann. Dies führt auf die Dauer zu einer Beschädigung des Dichtungsbandes, wobei auch das Fugenrandprofil durch Korrosion in Mitleidenschaft gezogen werden kann.A device of this type is known from German Patent 2 808 386. If this known device, which has a non-accessible sealing profile strip and therefore can only be used for very narrow joints, a greater tensile stress or a one-sided vertical thrust occurs, a gap can open between the joint edge profile and the sealing tape received therein, in the moisture and dirt can penetrate. In the long run, this leads to damage to the sealing tape, and the joint edge profile can also be affected by corrosion.

Auch bei der aus der deutschen Patentschrift 3 131 804 bekannten Überbrückungsvorrichtung, die einen befahrbaren Dichtungsprofilstreifen aufweist, ist das Eintreten von Feuchtigkeit und Schmutz in den Hohlraum des Fugenrandes nicht mit Sicherheit zu vermeiden.In the case of the bridging device known from German Patent 3 131 804, which has a passable sealing profile strip, the entry of moisture and dirt into the cavity of the joint edge cannot be avoided with certainty.

Aus der CH-PS 586 790 ist eine Vorrichtung gemäß dem Oberbegriff bekannt, bei der Faltrippen auf einem dem Fugenspalt überbrückenden, bezüglich der Faltrippen entgegengesetzt gewölbten Band angeordnet sind, mit diesem einstückig verbunden sind und wobei die Anschlußteile in die Randleisten einknöpfbar sind. Diese einknöpfbaren Randwülste weisen einen im wesentlichen dreieckigen Hohlraum auf.From CH-PS 586 790 a device according to the preamble is known, are arranged in the folding ribs on a bridging the gap, bridging with respect to the folding ribs opposite band, are integrally connected to this and the connecting parts can be buttoned into the edge strips. These snap-in edge beads have an essentially triangular cavity.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Überbrückung von Dehnungsfugen der eingangs genannten Art so zu verbessern, daß auch bei erheblicher Zugbeanspruchung und bei einseitigem Vertikalschub das Eindringen von Schmutz und Feuchtigkeit in den Hohlraum des Fugenrandes mit Sicherheit vermieden ist, so daß die Nutzungsdauer dieser Vorrichtung erheblich verlängert wird.The invention has for its object to improve a device for bridging expansion joints of the type mentioned so that the penetration of dirt and moisture into the cavity of the joint edge is avoided with certainty, even with considerable tensile stress and one-sided vertical thrust, so that the service life this device is significantly extended.

Diese Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Patentanspruchs 1 angegebenen Merkmale gelöst.This object is achieved by the features specified in the characterizing part of patent claim 1.

Bei der erfindungsgemäßen Fugenüberbrückungsvorrichtung wird nicht nur die an beiden Seiten des Dichtungsbandes jeweils ausgebildete Vedickung in dem Hohlraum des Fugenrandes verkeilt, so daß das Dichtungsband sicher in den Fugenrändem gehalten ist, sondern es wird in den Randbereichen des Hohlraumes eine Vorspannung in dem dort anliegenden Dichtungsband erzeugt. Dazu wird eine vorspringende Nase, die an der Verdickung des Dichtungsbandes angeformt ist, in Einbaulage zusammengedrückt, woraus der Anpreßdruck resultiert, der ein sich Lösen des Dichtungsbandes von der Innenwand des Hohlraumes im Bereich der Randabschnitte verhindert. Die Größe der Vorspannung läßt sich dabei durch Wahl einer geeigneten Neigung der zusammenzudrückenden Nase so festlegen, daß die in der Praxis auftretenden in Fugenrichtung wirkenden Zugkräfte und senkrecht hierzu einwirkenden Vertikalkräfte kleiner als die Vorspannung des im Hohlraum angeordneten Dichtungsbandes sind.In the joint bridging device according to the invention, not only is the thickening formed on both sides of the sealing tape wedged in the cavity of the joint edge, so that the sealing tape is held securely in the joint edges, but a pretension is generated in the edge area of the cavity in the sealing tape there . For this purpose, a projecting nose, which is formed on the thickening of the sealing tape, is compressed in the installed position, which results in the contact pressure which prevents the sealing tape from coming loose from the inner wall of the cavity in the region of the edge sections. The size of the pretension can be determined by choosing a suitable inclination of the nose to be compressed so that the tensile forces acting in the direction of the joint and the vertical forces acting perpendicularly to it in practice are smaller than the pretension of the sealing tape arranged in the cavity.

Zweckmäßigerweise ist die vorspringende Nase in einem Bereich angeformt, der an einem Randabschnitt des Hohlraums anliegt. Durch diese Maßnahme ist sichergestellt, daß an beiden Randabschnitten des Hohlraumes der gewünschte Anpreßdruck besteht, so daß jegliches Eindringen von Schmutz und Feuchtigkeit in den Hohlraum mit Sicherheit vermieden ist.The protruding nose is expediently formed in an area which abuts an edge section of the cavity. This measure ensures that the desired contact pressure exists at both edge sections of the cavity, so that any penetration of dirt and moisture into the cavity is reliably avoided.

Mit besonderem Vorteil ist vorgesehen, daß das den jeweiligen Hohlraum bildende Fugenrandprofil eine muldenförmige Vertiefung mit einem im wesentlichen horizontalen und einem im wesentlichen vertikalen Randabschnitt aufweist. Dabei erstreckt sich nach einem Vorschlag der Erfindung die horizontale Lastaufnahmefläche etwa auf halber Höhe der Vertiefung in Richtung der Fuge, während der vertikale Randabschnitt auf der von der Fuge abgewandten Seite bis zur Fahrbahnoberkante verläuft. Die in den Hohlraum eines derartigen Fugenrandprofils eingepreßte Verdickung des Dichtungsbandes liegt somit unter Vorspannung einerseits an dem vertikalen Randabschnitt des Hohlraumes an, während sie andererseits satt auf der horizontalen Lastaufnahmefläche aufliegt, so daß hier ein stets tragendes Auflager für das Dichtungsband besteht.It is particularly advantageously provided that the joint edge profile forming the respective cavity has a trough-shaped depression with an essentially horizontal and an essentially vertical edge section. According to a proposal of the invention, the horizontal load-bearing surface extends approximately halfway up the depression in the direction of the joint, while the vertical edge section runs on the side facing away from the joint to the upper edge of the road. The thickening of the sealing tape, which is pressed into the cavity of such a joint edge profile, is thus under pretension on the one hand against the vertical edge section of the cavity, while on the other hand it lies snugly on the horizontal load-bearing surface, so that there is always a load-bearing support for the sealing tape.

Nach einem weiteren Vorschlag der Erfindung kann der vertikale Randabschnitt ein nach innen umgebördelter Rand des Fugenrandprofils sein, dessen untere horizontale Kante von der Stützfläche der Verdickung hintergriffen wird. Da die Verdickung des Dichtungsbandes schräg von oben nach unten in den Hohlraum eingepreßt wird, ist durch diese auf besonders einfache Weise getroffene Anordnung der an der Stützfläche anliegenden Innenfläche des Hohlraumes eine zuverlässige Verkeilung des Dichtungsbandes sichergestellt, während das Einknöpfen der Verdickung in den Hohlraum einfach auszuführen ist.According to a further proposal of the invention, the vertical edge section can be an inwardly flanged edge of the joint edge profile, the lower horizontal edge of which is gripped by the supporting surface of the thickening. Since the thickening of the sealing tape is pressed obliquely from top to bottom into the cavity, this arrangement of the inner surface of the cavity adjacent to the supporting surface ensures a reliable wedging of the sealing tape, while the buttoning of the thickening into the cavity is easy to carry out is.

Mit Vorteil ist ferner vorgesehen, daß die vorspringende Nase in dem Bereich der Verdickung angeformt ist, der in Einbaulage an dem vertikalen Randabschnitt des Fugenrandprofils anliegt. Durch die in Einbaulage zusammengedrückte Nase wird in diesem besonders gefährdeten Bereich selbst dann das Eindringen von Schmutz und Feuchtigkeit verhindert, wenn bei Breitstellung der Fugen Zugkräfte in dem Dichtungsband auftreten. Gleichzeitig wird ein Anpreßdruck der Verdickung gegen die horizontale Lastaufnahmefläche des Fugenrandprofils erzeugt, so daß bei Engstellung der Fugen ein Aufwölben der Verdickung und ein sich Lösen des Dichtungsbandes von der horizontalen Lastaufnahmefläche verhindert ist.It is also advantageously provided that the projecting nose is formed in the area of the thickening which, in the installed position, rests on the vertical edge section of the joint edge profile. Due to the compressed nose in the installation position, the penetration of dirt and moisture is prevented in this particularly vulnerable area even if tensile forces occur in the sealing tape when the joints are opened. At the same time, a contact pressure of the thickening is generated against the horizontal load-bearing surface of the joint edge profile, so that when the joints are narrowed, the thickening bulges and the sealing tape is prevented from coming loose from the horizontal load-bearing surface.

Es kann ferner mit Vorteil vorgesehen sein, daß die Stützfläche der Verdickung in Richtung von der Fuge wegweisend geneigt verläuft, d.h. zur Außenseite des Dichtungsbandes abfällt. Entsprechend ist die Kante des Fugenrandprofils zur Stützfläche der Verdickung korrespondierend geneigt, so daß in der Einbaulage der Verdickung auch im Bereich der Stützfläche ein Anpreßdruck erzeugt wird, der für einen festen Halt und eine sichere Abdichtung in diesem Bereich sorgt. Die Verdickung weist im Bereich der Stützfläche vorteilhaft einen Hohlraum auf, der entweder durch eine Hohlkammer oder von einem durchgehenden Loch gebildet wird und es ermöglicht, daß der an die Stützfläche angrenzende Vorsprung in Richtung dieses Hohlraumes ausweichen kann, wenn das Dichtungsband in das Fugenrandprofil eingesetzt wird. Zweckmäßigerweise weist die Breite der Verdickung im Verhältnis zum Eintrittsquerschnitt des Fugenrandprofils ein Übermaß auf, so daß das Dichtungsband mit der Verdickung und der Vorspannung in dem Fugenrandprofil gehalten wird.It can also be advantageously provided that the support surface of the thickening extends inclined in the direction pointing away from the joint, that is to say drops off to the outside of the sealing tape. Accordingly, the edge of the joint edge profile is inclined corresponding to the supporting surface of the thickening, so that in the installed position of the thickening a contact pressure is also generated in the region of the supporting surface, which ensures a firm hold and a secure seal in this area. The thickening shows in Area of the support surface advantageously has a cavity, which is either formed by a hollow chamber or a through hole and enables the projection adjacent to the support surface to move in the direction of this cavity when the sealing tape is inserted into the joint edge profile. The width of the thickening expediently has an excess in relation to the entry cross section of the joint edge profile, so that the sealing tape with the thickening and the pretension is held in the joint edge profile.

Die vorspringende Nase verläuft zweckmäßigerweise im entspannten Zustand im wesentlichen im spitzen Winkel zu dem entsprechenden Wandabschnitt. Dadurch läßt sich eine weitgehend gleichmäßige Verteilung der Vorspannung erzielen.The projecting nose expediently runs in the relaxed state essentially at an acute angle to the corresponding wall section. A largely uniform distribution of the pretension can thereby be achieved.

Nach einem weiteren Vorschlag der Erfindung weist die Verdickung in Einbaulage einen im wesentlichen horizontalen Abschnitt auf, der an der horizontalen Lastaufnahmefläche des Fugenrandprofils anliegt. Dadurch ist in diesem Bereich ein großflächiges Auflager für das Dichtungsband geschaffen, das infolge der Vorspannung stets tragend ist. Auf diese Weise kann das Dichtungsband der einwirkenden Verkehrslast lange standhalten, so daß seine Nutzungsdauer beträchtlich verlängert ist. Die Oberseite der Verdickung fluchtet in Einbaulage mit der Fahrbahnoberkante. Durch diese Ausbildung, bei der keinerlei Aussparungen im Fugenrandbereich in der Oberfläche des Dichtungsbandes ausgebildet sind, ist eine Ansammlung von stehendem Wasser und von Schmutz in diesem Bereich verhindert.According to a further proposal of the invention, the thickening in the installed position has an essentially horizontal section which bears against the horizontal load-bearing surface of the joint edge profile. This creates a large-area support for the sealing tape in this area, which is always load-bearing due to the pretension. In this way, the sealing tape can withstand the acting traffic load for a long time, so that its service life is considerably extended. In the installed position, the top of the thickening is aligned with the upper edge of the road. This design, in which no recesses are formed in the joint edge area in the surface of the sealing tape, prevents standing water and dirt from accumulating in this area.

Nach einem weiteren Vorschlag der Erfindung ist das Dichtungsband im Bereich der Fuge als Hohlprofil ausgebildet. Dabei wird das Hohlprofil durch rautenförmig verlaufende Rippen gebildet. Um bei Engstellung der Fuge ein Aufwölben der Oberkante des Hohlprofils zu vermeiden, ist das Hohlprofil an seiner Unterseite insgesamt V-förmig ausgebildet. An seiner Oberseite weist das Hohlprofil vorteilhafte V-förmige Hohlräume zwischen den rautenförmig verlaufenden Rippen auf, deren Oberkanten mit der eingebauten Verdickung und der Fahrbahnoberkante fluchten. Die diagonal verlaufenden Rippen stabilisieren dabei das zwischen den Fugenrändern befindliche Hohlprofil des Dichtungsbandes derart, daß eine vollkommen ebene Ausbildung der an die Verkehrsfläche angrenzenden Oberfläche des Dichtungsbandes in jeder Fugenstellung, also auch bei Engstellung der Fuge, sichergestellt ist. Soweit sich in den V-förmigen Hohlräumen der Oberseite des Hohlprofils Wasser und Schmutz ansammelt, beeinträchtigt dies nicht die Nutzungsdauer des Dichtungsbandes. Insgesamt ist bei der erfindungsgemäßen Vorrichtung ein unter den in der Praxis auftretenden Umständen vollständig dichter Anschluß des Dichtungsbandes an die Fugenränder sichergestellt, so daß hier weder Feuchtigkeit noch Schmutz eintreten noch ein vertikales Abheben des Fugenbandes von dem Fugenrandprofil stattfinden kann, so daß die Nutzungsdauer des Dichtungsbandes verlängert und das Fugenrandprofil vor Korrosion geschützt ist.According to a further proposal of the invention, the sealing tape is designed as a hollow profile in the region of the joint. The hollow profile is formed by diamond-shaped ribs. In order to prevent the upper edge of the hollow profile from bulging when the joint is narrowed, the underside of the hollow profile is generally V-shaped. At its top, the hollow profile has advantageous V-shaped cavities between the diamond-shaped ribs, the upper edges of which are aligned with the built-in thickening and the upper edge of the roadway. The diagonally extending ribs stabilize the hollow profile of the sealing tape located between the joint edges in such a way that a completely flat design of the surface of the sealing tape adjacent to the traffic surface is ensured in every joint position, that is to say even when the joint is narrow. Insofar as water and dirt accumulate in the V-shaped cavities on the top of the hollow profile, this does not affect the service life of the sealing tape. Overall, in the device according to the invention, a completely tight connection of the sealing tape to the joint edges is ensured under the circumstances that occur in practice, so that neither moisture nor dirt can enter nor a vertical lifting of the joint tape from the joint edge profile can take place, so that the useful life of the sealing tape extended and the joint edge profile is protected against corrosion.

Weitere Merkmale, Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung. Dabei zeigen:

  • Fig. 1 einen Querschnitt durch die seitliche Verdickung des Dichtungsbandes im entspannten Zustand;
  • Fig. 2 einen Fugenquerschnitt ohne Dichtungsband;
  • Fig. 3 die Verformung des Dichtungsbandes beim Einbau in das Fugenrandprofil und
  • Fig. 4 ebenfalls in einem Fugenquerschnitt das vollständig in die Fugenränder eingebaute Dichtungsband.
Further features, advantages and details of the invention result from the following description of an exemplary embodiment with reference to the drawing. Show:
  • 1 shows a cross section through the lateral thickening of the sealing tape in the relaxed state.
  • 2 shows a joint cross section without a sealing tape;
  • Fig. 3 shows the deformation of the sealing tape when installed in the joint edge profile and
  • Fig. 4 also in a joint cross-section, the sealing tape completely installed in the joint edges.

Fig. 1 zeigt von einem bevorzugt aus einem gummiartigen Werkstoff bestehenden Dichtungsband 1 eine der beiden seitlichen Verdickungen 2 im nicht eingebauten Zustand. Die Verdickung 2 hat eine ebene Oberseite 3, die im Einbauzustand des Dichtungsbandes 1 bündig mit der Straßenoberkante 4 (Figuren 2 und 4) verläuft, und eine untere Auflagefläche 5, die ein Auflager für die Verdickung bildet. Die Verdickung 2 ist ferner mit einer Nase 6 versehen, die im eingebauten Zustand des Dichtungsbandes zusammengedrückt wird, so daß sie dann im wesentlichen vertikal bzw. horizontal verläuft. Die Verdickung 2 geht an ihrem unteren Endabschnitt in einen Steg 8 über, der in einer Wulst 9 endet.1 shows one of the two lateral thickenings 2 of a sealing tape 1, preferably made of a rubber-like material, in the non-installed state. The thickening 2 has a flat upper side 3 which, when the sealing tape 1 is in the installed state, runs flush with the top edge 4 of the road (FIGS. 2 and 4), and a lower contact surface 5 which forms a support for the thickening. The thickening 2 is also provided with a nose 6, which is compressed in the installed state of the sealing tape, so that it then runs essentially vertically or horizontally. The thickening 2 merges into a web 8 at its lower end section, which ends in a bead 9.

Die Verdickung 2 besitzt etwa auf halber Höhe an dem in Fig. 1 linken Rand einen an die Stützfläche 7 angrenzenden Vorsprung 7b, welcher von innen nach außen fällt und im Einbauzustand (Fig. 4) gegen eine untere Kante 18 (Fig. 2) zur Anlage kommt. In diesem Bereich befindet sich auch ein Hohlraum 7a, welcher es ermöglicht, daß der Vorsprung 7b in Richtung des Hohlraums nach innen gedrückt wird, wenn die Verdickung 2 in das Fugenrandprofil 12 eingesetzt wird (siehe Fig. 3).The thickening 2 has about halfway up the left edge in FIG. 1 a projection 7b adjoining the support surface 7, which protrudes from the inside outwards and in the installed state (FIG. 4) against a lower edge 18 (FIG. 2) Facility is coming. In this area there is also a cavity 7a, which enables the projection 7b to be pressed inwards in the direction of the cavity when the thickening 2 is inserted into the joint edge profile 12 (see FIG. 3).

Fig. 2 zeigt einen Fugenquerschnitt mit an die Fuge 10 angrenzendem Betonunterbau 11. Das Fugenrandprofil 12 ist in ein Kunststoffbetonbett 13 eingebettet, an welches sich der Straßenasphalt 14 anschließt.FIG. 2 shows a joint cross section with a concrete substructure 11 adjacent to the joint 10. The joint edge profile 12 is embedded in a plastic concrete bed 13, to which the road asphalt 14 is connected.

Die Fugenrandprofile 12 haben einen im wesentlichen muldenförmigen Hohlraum 15. Etwa auf halber Höhe des Fugenrandprofiles 12 erstreckt sich eine horizontale Lastaufnahmefläche 16 in Richtung der Fuge 10. Ein vertikaler Randabschnitt 17 ist am Rand des Fugenrandprofils 12 ausgebildet und erstreckt sich bis zur Fahrbahnoberkante 4.The joint edge profiles 12 have a substantially trough-shaped cavity 15. A horizontal load-bearing surface 16 extends approximately halfway up the joint edge profile 12 in the direction of the joint 10. A vertical edge section 17 is formed on the edge of the joint edge profile 12 and extends to the top edge 4 of the roadway.

In Fig. 3 ist gezeigt, wie das Dichtungsband 1 mit der Verdickung 2 in das Fugenrandprofil 12 eingesetzt wird. Hierbei wird der an die Stützfläche 7 angrenzende Vorsprung 7b in Richtung des Hohlraumes 7a nach innen gedrückt, so daß die Verdickung 2 durch den verengten Querschnitt 22 in den muldenförmigen Hohlraum 15 eingeführt werden kann.In Fig. 3 it is shown how the sealing tape 1 with the thickening 2 is inserted into the joint edge profile 12. In this case, the projection 7b adjoining the support surface 7 is pressed inward in the direction of the cavity 7a, so that the thickening 2 can be introduced into the trough-shaped cavity 15 through the narrowed cross section 22.

Fig. 4 zeigt das vollständig eingebaute Dichtungsband, wobei die seitlichen Verdickungen 2 mit ihren Oberseiten mit der Fahrbahnoberkante 4 fluchten. Die Nase 6 ist zusammengedrückt und liegt an dem vertikalen Randabschnitt 17 an. Gleichzeitig liegt der Vorsprung 7b gegen die Kante 18 an, wobei der Vorspung 7b eine Stützfläche der Verdickung 2 in dem Hohlraum bildet. Der Steg 8 mit der Wulst 8 ist zur Fuge hin aufgebogen, so daß die Wulst 9 etwas oberhalb der Stützfläche 7 an einem Innenwandabschnitt des Fugenrandprofils 12 und der Verdickung 2 anliegt, und die Verdickung 2 in dem Hohlraum 15 verkeilt ist. Die horizontale Auflagerfläche 5 der Verdickung 2 liegt unter Vorspannung auf der horizontalen Lastaufnahmefläche 16 des Fugenrandprofils 12 auf, so daß die Verdickung insgesamt 3 Auflagerflächen 5, 6 und 7 hat, die gegen die Innenwandung des Hohlraumes 15 angepreßt werden. Durch diese Ausbildung ist ein sicherer, spaltloser Sitz des Dichtungsbandes in dem Fugenrandprofil gewährleistet.Fig. 4 shows the fully installed sealing tape, the side thickenings 2 are aligned with their tops with the top edge 4 of the roadway. The nose 6 is compressed and lies against the vertical edge section 17. At the same time, the projection 7b bears against the edge 18, the projection 7b forms a support surface of the thickening 2 in the cavity. The web 8 with the bead 8 is bent towards the joint, so that the bead 9 abuts slightly above the support surface 7 on an inner wall section of the joint edge profile 12 and the thickening 2, and the thickening 2 is wedged in the cavity 15. The horizontal bearing surface 5 of the thickening 2 lies under prestress on the horizontal load-bearing surface 16 of the joint edge profile 12, so that the thickening has a total of 3 bearing surfaces 5, 6 and 7, which are pressed against the inner wall of the cavity 15. This design ensures a secure, gapless fit of the sealing tape in the joint edge profile.

Im Bereich der Fuge 10 ist das Dichtungsband 1 als Hohlprofil 19 ausgebildet. Dieses Hohlprofil besteht aus rautenförmig verlaufenden Rippen 20, wobei die einzelnen Rauten an der Oberseite des Hohlprofils 19 mit der eingebauten Verdickung 2 und der Fahrbahnoberkante 4 fluchten. Zwischen den einzelnen Rauten befinden sich an der Oberseite des Hohlprofils V-förmige Hohlräume 21. An der Unterseite ist das Hohlprofil 19 insgesamt V-förmig geformt.In the area of the joint 10, the sealing tape 1 is designed as a hollow profile 19. This hollow profile consists of diamond-shaped ribs 20, the individual diamonds on the top of the hollow profile 19 being aligned with the built-in thickening 2 and the top edge 4 of the roadway. V-shaped cavities 21 are located on the upper side of the hollow profile between the individual rhombuses. On the underside, the hollow profile 19 is shaped overall in a V-shape.

Die diagonal verlaufenden Rippen 20 ermöglichen eine einwandfreie Abtragung der Vertikallasten zum Fugenrand hin. Durch seine besondere Ausbildung ist das Hohlprofil derart stabilisiert, daß seine Oberfläche auch bei Engstellung der Fuge vollkommen mit der Fahrbahnoberkante fluchtet.The diagonally running ribs 20 enable the vertical loads to be removed properly towards the joint edge. Due to its special design, the hollow profile is stabilized in such a way that its surface is perfectly aligned with the top of the road even when the joint is narrow.

Claims (11)

1. An arrangement for bridging an expansion joint in a roadway, in particular in a bridge, comprising two profiled edges (12) opposite each other at the joint distance, each of which has an upwardly open depression (15) with a trough-shaped cross section, whose limiting wall runs into a load receiving suface (16) on the inner side of the depression (15) facing the joint (10) and has on the outer side of the depression (15) facing away from the joint (10) an engagement surface partly covering the depression (15) which runs into a substantially vertical surface (17) which tapers into the upper side of the profiled edge (12), and further comprising a bandlike seal (1) bridging the joint (10) and made of elastic material, which has in its middle area covering the joint (10) a hollow section (19) adapting to the changing joint width and a bulge (2) on each longitudinal edge which lies with its upper side (3) on the plane of the upper edge (4) of the roadway, an end portion (8) locked into the depression (15) and having a supporting surface (7) engaging behind the engagement surface (18), and a bearing area (5) set on the load receiving surface (16) and a contact surface lying against the vertical surface (17), whereby the end portion of each bulge (2) locked into the depression (15) is designed as a web (8) which virtually fills in the depression (15) completely, characterized in that the load receiving surface (16) of each profiled edge (12) extends substantially horizontally, the web (8) in its starting shape is overdimensioned compared to the depression (15) in such a way that its supporting surface (7) is pressed under compressive prestress onto the engagement surface (18), and the contact surface of the bulge (2) lying against the vertical surface (17) of the profiled edge (12) is formed by a nose (6) which projects in its starting shape and is compressed in the fitted state of the sealing band so that it extends substantially vertically and thus lies under compressive prestress in sealing fashion against the vertical surface (17), and the nondestructive insertion of the bulge (2) is ensured by substantially vertical pressure of web (8) into the depression (15) with the supporting surface (7) locking behind the engagement surface (18).
2. The arrangement of claim 1, characterized in that the load receiving surface (16) of each profiled edge (12) is located about halfway up between the bottom of the depression (15) and the upper side of the profiled edge (12) located on the plane of the upper edge (4) of the roadway.
3. The arrangement of claim 1 or 2, characterized in that the horizontal load receiving surface (16) is adjacent the bottom of the trough (15) with a surface inclined toward the vertical surface (17).
4. The arrangement of claims 1 to 3, characterized in that the supporting surface (7) of each bulge (2) is inclined downwardly away from the joint (10).
5. The arrangement of claim 4, characterized in that the engagement surface (18) of each profiled edge (12), like the supporting surface (7) of the bulge (2) pressed against it, is inclined downwardly.
6. The arrangement of any of claims 1 to 5, characterized in that each bulge (2), in the relaxed starting shape, has a nose-shaped design in the contact area with the vertical surface (17) of the profiled edge (12), so that its contact surface (6) is inclined upwardly and outwardly with respect to the vertical.
7. The arrangement of any of claims 1 to 6, characterized in that each bulge (2) has in the area of the supporting surface (7) a cavity (7a) which allows for the web projection (7b) having the supporting surface (7) to give way during installation.
8. The arrangement of claim 7, characterized in that each cavity (7a) of the seal (1) is formed by a through hole profile.
9. The arrangement of claim 8, characterized in that the hollow section (19) is formed by ribs (20) extending in a lozenge pattern.
10. The arrangement of claim 8 or 9, characterized in that the hollow section (19) has a V-shaped contour on its underside.
11. The arrangement of claim 10, characterized in that the hollow section (19) has on its upper side V-shaped recesses (21) between the ribs (20) extending in a lozenge pattern, which end on the plane of the upper edges (3) of the bulges (2) and the upper edge (4) of the roadway.
EP86102883A 1985-03-06 1986-03-05 Device for bridging expansion joints, particularly in bridges, road sections or the like Expired - Lifetime EP0194567B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86102883T ATE53413T1 (en) 1985-03-06 1986-03-05 DEVICE FOR BRIDGING EXPANSION JOINTS, PARTICULARLY IN BRIDGES, ROAD PARTS OR THE LIKE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3508010A DE3508010C3 (en) 1985-03-06 1985-03-06 Arrangement for bridging an expansion joint in a carriageway
DE3508010 1985-03-06

Publications (3)

Publication Number Publication Date
EP0194567A2 EP0194567A2 (en) 1986-09-17
EP0194567A3 EP0194567A3 (en) 1987-08-12
EP0194567B1 true EP0194567B1 (en) 1990-06-06

Family

ID=6264407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102883A Expired - Lifetime EP0194567B1 (en) 1985-03-06 1986-03-05 Device for bridging expansion joints, particularly in bridges, road sections or the like

Country Status (6)

Country Link
US (1) US4781489A (en)
EP (1) EP0194567B1 (en)
JP (1) JPS61207702A (en)
AT (1) ATE53413T1 (en)
CA (1) CA1245902A (en)
DE (2) DE3508010C3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3739717C1 (en) * 1987-11-24 1989-03-16 Kober Ag Device for bridging expansion joints
DE4114507C2 (en) * 1991-05-03 1997-09-11 Chemwell Chemie Gmbh Sound-insulating bridging of expansion joints
FR2838465B1 (en) 2002-04-12 2004-10-01 Freyssinet Int Stup CONSTRUCTION JOINT
US20050066600A1 (en) * 2003-09-25 2005-03-31 Paul Moulton Expansion joint system
US7784799B2 (en) * 2003-12-31 2010-08-31 The Boeing Company Apparatus and method for sealing surfaces
US9415853B2 (en) 2013-01-30 2016-08-16 The Boeing Company Surface sealing system
CN107724706A (en) * 2017-10-24 2018-02-23 广东广达建设集团有限公司 A kind of Cracks On Concrete Floors reinforcement process
CN108487058A (en) * 2018-05-22 2018-09-04 杭州溯真科技有限公司 Bridge expansion joint installation
CN112726410B (en) * 2020-12-29 2022-04-15 中铁三局集团华东建设有限公司 Construction method of waterproof rubber belt for railway bridge expansion joint

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US3363383A (en) * 1965-03-08 1968-01-16 Aluminum Co Of America Joint structures
US3595142A (en) * 1969-03-12 1971-07-27 Gomma Antivibranti Applic Expansion rubber joint for roads and bridges
US3608442A (en) * 1969-09-10 1971-09-28 Acme Highway Prod Sealing member
US3824025A (en) * 1972-04-19 1974-07-16 Maurer Friedrich Soehne Expansion gap sealing device
JPS50131327A (en) * 1974-04-03 1975-10-17
CH586790A5 (en) * 1974-07-11 1977-04-15 Kober Ag Corrugated flexible gap joint seal for roads - has domed reinforcing flexible band on underside joined to corrugations
US4007994A (en) * 1975-12-18 1977-02-15 The D. S. Brown Company Expansion joint with elastomer seal
DE2808386C3 (en) * 1978-02-27 1981-04-09 Friedrich Maurer Söhne GmbH & Co KG, 8000 München Device for bridging expansion joints, especially in bridges, road sections or the like.
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DE3131804C1 (en) * 1981-08-12 1983-02-24 Friedrich Maurer Söhne GmbH & Co KG, 8000 München Device for bridging expansion joints in sidewalks, parking decks or the like.
DE3228315C2 (en) * 1982-07-29 1984-07-05 Kober AG, 8750 Glarus Sealing device for sealing expansion joints on the building site
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US4685825A (en) * 1984-05-09 1987-08-11 Friedrick Maurer Sohne Gmbh & Co. Kg Device for use in expansion joints
DE8416716U1 (en) * 1984-06-01 1984-09-06 Kugel, Michael, 6945 Hirschberg COVER PROFILE MADE OF ELASTIC MATERIAL FOR EXPANSION JOINTS IN CONSTRUCTIONS

Also Published As

Publication number Publication date
EP0194567A2 (en) 1986-09-17
DE3508010C2 (en) 1993-11-18
JPS61207702A (en) 1986-09-16
DE3508010A1 (en) 1986-09-18
EP0194567A3 (en) 1987-08-12
DE3671768D1 (en) 1990-07-12
DE3508010C3 (en) 1993-11-18
US4781489A (en) 1988-11-01
CA1245902A (en) 1988-12-06
ATE53413T1 (en) 1990-06-15

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