EP0646675B1 - Method of making joint-like seams at partial areas of asphalt layers and device for the execution of the method - Google Patents

Method of making joint-like seams at partial areas of asphalt layers and device for the execution of the method Download PDF

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Publication number
EP0646675B1
EP0646675B1 EP94113418A EP94113418A EP0646675B1 EP 0646675 B1 EP0646675 B1 EP 0646675B1 EP 94113418 A EP94113418 A EP 94113418A EP 94113418 A EP94113418 A EP 94113418A EP 0646675 B1 EP0646675 B1 EP 0646675B1
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EP
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Prior art keywords
travelling gear
bitumen material
seam
pressure element
bitumen
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Expired - Lifetime
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EP94113418A
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German (de)
French (fr)
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EP0646675A3 (en
EP0646675A2 (en
Inventor
Fritz Baur
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Denso Holding GmbH and Co KG
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Denso Holding GmbH and Co KG
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
    • E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants

Definitions

  • the invention relates to a method for producing joint-shaped Seams on partial surfaces of asphalt surface courses.
  • seams is used in the following as a generic term used for both seams and connections. Stitching in the true sense arise from the combination of side-by-side installation tracks made of mixed material with comparable Characteristics. Connections are the connections of installation tracks made of mixed material with different properties. These include rolled asphalt (asphalt concrete, stone mastic asphalt) on mastic asphalt and vice versa. The connection from mastic asphalt to mastic asphalt is also a connection to manufacture. A special need for so-called Connections arise when building "new” against “old”, because here the difference in the properties of the to be introduced Covering layer materials alone just by the length of time is given regardless of the type of mix the areas to be connected.
  • connections are therefore very high. They should be waterproof, i. H. not yourself open under the influence of traffic and climate. It applies therefore, more bitumen than before on the connecting flank bring to. This is particularly important for connections.
  • the goal must be, at this point a soft one Install the joint, i.e. a maximum amount of bitumen to the Placing poems, moving and sticking.
  • the invention has for its object a method to create, by the disadvantages described above be avoided.
  • the object is achieved according to the invention by a method for producing joint-shaped seams on partial surfaces of Asphalt surface courses by applying a band-shaped Bitumen material along the seam flank of a partial surface in such a way that the bitumen material at least through mechanical action plasticized and through a molding nozzle pressed out in the form of a strand and pressed against the seam flank becomes.
  • This thermal Action can be in the area of mechanical Take effect on the bitumen material or else in the area of the molding nozzle to determine the flow behavior and the Plasticity in this area, especially at low ones Temperatures to influence favorably.
  • the method according to the invention can be carried out according to the invention with a device for producing joint-shaped seams on partial surfaces in asphalt cover layers by applying a band-shaped bitumen material along the seam flank of a partial surface a wheeled chassis on which a continuous promoting, drivable kneading device arranged is that with a feeder for the to be processed Bitumen material and with a shaping nozzle for the plasticized Bitumen material is provided.
  • the kneading device can be in the manner of an extruder be built up in a housing a kneading and conveyor screw has, with the help of the feeder imported bitumen material kneaded, here is plasticized and pressed out through the molding nozzle. If the undercarriage is now moved, this can be done from the molding nozzle emerging plasticized band-shaped bitumen material on the seam flank to be machined of the existing one Partial area filed and by hand, for example pressed with the help of a spatula-shaped tool will. Because of the plasticization high plasticity of the bitumen tape produced in situ sufficient manual strength is sufficient to hold the bitumen tape for example, seam flanks provided with breakouts to express that there is a good connection.
  • At least the kneading device with one is expedient Heating device provided for reliable plasticization to ensure.
  • the heating device by a Heat transfer surface is formed by the exhaust gases of an internal combustion engine driving the kneading device is applied.
  • the available through the exhaust heat standing heat is sufficient to control the temperature of the kneading device off, so that carrying an additional energy supply, for example in the form of a propane gas burner, can be omitted.
  • At least one wheel of the chassis with the drive motor the kneading device, preferably depending on the spreading speed of the kneading device controllable communicates.
  • This is a tension-free uniform laying of the plasticized to be applied Bitumen tape guaranteed. It is useful here when the molding nozzle with its ejection direction against Direction of travel of the landing gear is aligned, it is also advantageous if the molding nozzle under a small angle of attack directed against the seam flank is.
  • a pressure element for that from the molding nozzle emerging band-shaped bitumen material is provided.
  • the pressure element can, for example be designed in runners or also in roll form, whereby at least the surface of the pressure element from one Material must exist on which the plasticized bitumen material not attached. It is also expedient here if the pressure element, based on the direction of travel, is arranged close behind the molding nozzle.
  • the pressure element relative to the chassis adjustable in height is connected to this.
  • the pressure element against the Bottom surface next to the seam flank designed to be pressed on is, so that it is ensured that the applied plasticized bitumen tape also over the full height of the Seam flank is pressed.
  • the undercarriage with attachable to the seam flank preferably transverse adjustable relative to the chassis Guide elements is provided. This is a basic positioning of the undercarriage with respect to the seam flank ensured so that the compensation of unevenness can be done via the pressure element. Conveniently becomes at least one guide element in the area of the pressure element arranged.
  • the feeder with a depending on the discharge speed of the kneading device Feed device for the bitumen material is provided.
  • the term pinch roller assembly affects both oppositely driven Pinch rollers as well as at least two parallel to each other arranged conveyor belt-like clamping devices, so that the expediently preformed bituminous bituminous Feed material that is deformable to a certain extent is reliably drawn in.
  • the device shown in Fig. 1 in a side view consists essentially of a wheeled 2 Chassis 1, which has a guide drawbar 3, on the the necessary controls are arranged.
  • a kneading device 4 is arranged on the carriage 1, which consists essentially of a housing 5 in which a kneading screw 6 is rotatably supported by a Drive motor 7, for example a small gasoline engine is driven.
  • the housing 5 has on one End of a receiving funnel 8 with a feed device 9 is provided, which consists essentially of two parallel pinch rollers or clamping band arrangements, such as shown exists.
  • the feeder is over Transmission means not shown here with the Drive motor 7 connected, so that in the form of a rod 10th supplied bitumen material to be processed with a corresponding force is pressed into the receiving funnel 8 and is detected by the kneading screw 6.
  • a molding nozzle 11 is provided on the other end the kneading device 4.
  • the bitumen material fed in via the feed device 9 is caused by the mechanical action of the kneading screw 6 plasticized and through the molding nozzle 11 as plastic Band pressed out.
  • the molding nozzle 11 expediently has a rectangular cross-section which, in its greatest extent, d. H. its height, slightly larger than that Thickness of the existing cover layer 12 and that in its Width is tailored to the specific application. Depending on the application, widths are between 8 and 20 mm possible.
  • a pressure element on the chassis 1 16 for example arranged in the form of a roll.
  • the pressure element 16 can, for example, under the action of a spring element 17 through which the pressure element 16 with a predetermined, preferably adjustable contact force against that from the molding nozzle 11 emerging plasticized bitumen tape 15 is pressed, so that this against the seam flank 13 with a predetermined Force is pressed and pressed into all bumps.
  • the pressure element 16 is expediently on a holding device 18 attached, which in turn over a Roller 19 on the surface 14 or the top layer 12 trailing supports, so that for the pressure element 16th a precisely defined altitude is always maintained.
  • the holding device 18 can be articulated to the undercarriage be and under your own weight or if necessary by an additional weight is pressed against the surface 14, to prevent the pressure element from migrating upwards.
  • the wheels 2 on the chassis 1 can, as in the supervision acc. Fig. 2 shown obliquely at a small angle be set so that when feeding the device in Direction of arrow 21 the chassis 1 against the seam flank 13 is pressed, the wheels then with the corresponding Roll slip over surface 14.
  • guide elements 22, for example guide rollers on the chassis 1, is one perfect system and thus perfect positioning the chassis to the seam flank 13 guaranteed.
  • the drive motor 7 with at least one of the wheels 2 on the chassis 1 via a gear arrangement 23, for example a belt or chain drive, is connected, so that the drive motor for the kneading screw 6 at the same time also causes the feed of the device as a whole.
  • the Gear arrangement 23 is expedient in this regard the gear ratio changeable so that the operator from the handlebar 3 on the feed can influence. It is expedient the basic setting is made so that the feed speed on the conveying capacity of the kneading screw 6 is matched and thus a uniform tension-free Application of the plasticized bitumen tape 15 from the Mold nozzle 11 is guaranteed.
  • the housing 5 of the kneading device 4 can be double-walled be designed so that the passage of the hot exhaust gases of the drive motor 7 is possible in order to be plasticized with the Bitumen material coming into contact with the inner wall the kneading device 4 to heat. This is particularly so advantageous at low outside temperatures.
  • the heating temperature can easily be done by an additional Bypass line via the one forming the heating surface Double wall of the housing 5 passed exhaust gas amount be regulated.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention relates to a method of making joint-like seams at partial areas of asphalt surface layers by applying a ribbon-shaped bituminous material along the seam flank of a partial area in such a way that the bituminous material is plasticised, at least by mechanical action, and squeezed out in strand form via a forming nozzle and pressed against the seam flank. As a result, improved bonding to the seam area is achieved.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen fugenförmiger Nähte an Teilflächen von Asphaltdeckschichten.The invention relates to a method for producing joint-shaped Seams on partial surfaces of asphalt surface courses.

Der Begriff "Nähte" wird im nachfolgenden als Oberbegriff sowohl für Nähte als auch für Anschlüsse verwendet. Nähte im eigentlichen Sinne entstehen durch den Verbund von nebeneinanderliegenden Einbaubahnen aus Mischgut mit vergleichbaren Eigenschaften. Anschlüsse sind die Verbindungen von Einbaubahnen aus Mischgut mit unterschiedlichen Eigenschaften. Dazu gehören Walzasphalt (Asphaltbeton, Splittmastixasphalt) an Gußasphalt und umgekehrt. Die Verbindung von Gußasphalt an Gußasphalt ist ebenfalls als Anschluß herzustellen. Eine besondere Notwendigkeit für sogenannte Anschlüsse ergibt sich bei einem Bauen "neu" gegen "alt", da hier der Unterschied in den Eigenschaften der einzubringenden Deckschichtmaterialen schon allein durch die Liegedauer gegeben ist, unabhängig von der Mischgutart bei den zu verbindenden Flächen.The term "seams" is used in the following as a generic term used for both seams and connections. Stitching in the true sense arise from the combination of side-by-side installation tracks made of mixed material with comparable Characteristics. Connections are the connections of installation tracks made of mixed material with different properties. These include rolled asphalt (asphalt concrete, stone mastic asphalt) on mastic asphalt and vice versa. The connection from mastic asphalt to mastic asphalt is also a connection to manufacture. A special need for so-called Connections arise when building "new" against "old", because here the difference in the properties of the to be introduced Covering layer materials alone just by the length of time is given regardless of the type of mix the areas to be connected.

Nähte und Anschlüsse, als Nähte im Sinne der Erfindung, sind Beanspruchungen aus Verkehr und Klima ausgesetzt, wobei die Kräfte aus dem Verkehr besonders einflußreich sind, wenn Ausgrabungen vorliegen. Durch Setzung im ungebundenen Bereich bauen sich Scherkräfte auf, die die Verbindung neu/alt besonders in der Deckschicht spürbar belasten. Seams and connections, as seams in the sense of the invention, are exposed to traffic and climate stresses, with the forces from traffic particularly influential when there are excavations. By setting in the unbound Area, shear forces build up on the connection strain new / old especially in the top layer.

Die Anforderungen an derartige Verbindungen sind daher sehr hoch. Sie sollen wasserdicht sein, d. h. sich nicht öffnen unter Einwirkung von Verkehr und Klima. Es gilt daher, mehr Bitumen als bisher an die Anbindungsflanke zu bringen. Dies ist besonders wichtig bei Anschlüssen. Hier muß es das Ziel sein, an dieser Stelle ein weiches Gelenk einzubauen, also eine Höchstmenge von Bitumen zum Dichten, Bewegen und Haften zu plazieren.The requirements for such connections are therefore very high. They should be waterproof, i. H. not yourself open under the influence of traffic and climate. It applies therefore, more bitumen than before on the connecting flank bring to. This is particularly important for connections. Here the goal must be, at this point a soft one Install the joint, i.e. a maximum amount of bitumen to the Placing poems, moving and sticking.

Dieses Problem wurde bisher dadurch gelöst, daß vor dem Einbringen der neuen Asphaltdeckschicht die Flanke der bestehenden alten Asphaltdeckschicht mit einer bitumenhaltigen Grundierung gestrichen wurde und anschließend ein vorgefertigtes Bitumenfugenband an die Flanke angelegt wurde, wobei zur Verbesserung der Haftung des Bitumenfugenbandes an der Nahtflanke das Bitumenfugenband mit einer Propanflamme angewärmt und dann an die Flanke angedrückt wurde. Diese Arbeiten wurden bisher bei kleineren Baumaßnahmen von Hand und bei großen Baumaßnahmen, insbesondere im Fernstraßenbau, maschinell vorgenommen (siehe DE-U-9 105 161) und führten zu qualitativ guten Ergebnissen, wenn die Flanken der zu schließenden Naht sorgfältig bearbeitet waren. Sobald jedoch die Flanken durch mangelhafte Bearbeitung, beispielsweise durch unsachgemäßes Fräsen, Ausbrüche aufweisen, läßt sich weder von Hand noch mittels einer Vorrichtung, die eine Andruckrolle aufweist, das Bitumenfugenband in ausreichendem Maße an die bearbeitete Flanke andrücken, so daß es hier lediglich zu einem oberflächlichen Anhaften kommt. Die Temperatur des Mischgutes der neu einzubringenden Deckschicht, das unmittelbar an das verlegte Fugenband herangebracht wird, reicht hierbei nicht aus, um diesen Mangel auszugleichen, so daß auch nach dem anschließenden Abwalzen kein dichter Verschluß der Naht gegeben ist. Aufgrund der nicht ausreichenden Haftungen ist es so möglich, daß durch Einfluß thermisch induzierter Spannungen sich die Naht im Bereich der Nahtflanke geringfügig öffnet, so daß Wasser eindringen kann und die Deckschicht in diesem Bereich Schaden nimmt. This problem has been solved so far that before Applying the new asphalt surface course to the flank of the existing old asphalt surface course with a bituminous Primer was painted and then a Prefabricated bitumen joint tape applied to the flank was used to improve the adhesion of the bitumen joint tape the bitumen joint tape with a Propane flame warmed up and then pressed against the flank has been. So far, this work has been carried out on smaller construction projects by hand and for large construction projects, in particular in highway construction, made by machine (see DE-U-9 105 161) and led for good quality results if the flanks of the the seam to be closed was carefully worked. As soon as however the flanks due to poor processing, for example due to improper milling, chipping, can be done neither by hand nor by a device, which has a pressure roller, the bitumen joint tape in press sufficiently on the machined flank, so that there is only a superficial adherence here is coming. The temperature of the material to be mixed Top layer, which is directly attached to the joint tape is brought here is not sufficient to this To compensate for the deficiency, so that even after the subsequent Rolling there is no tight closure of the seam. Due to the insufficient liability, it is possible that by the influence of thermally induced voltages the seam opens slightly in the area of the seam flank, so that water can penetrate and the top layer in this Area is damaged.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zu schaffen, durch das die vorstehend beschriebenen Nachteile vermieden werden.The invention has for its object a method to create, by the disadvantages described above be avoided.

Die Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren zum Herstellen fugenförmiger Nähte an Teilflächen von Asphaltdeckschichten durch Ausbringen eines bandförmigen Bitumenmaterials entlang der Nahtflanke einer Teilfläche in der Weise, daß das Bitumenmaterial zumindest durch mechanische Einwirkung plastifiziert und über eine Formdüse in Strangform ausgepreßt und an die Nahtflanke angedrückt wird.The object is achieved according to the invention by a method for producing joint-shaped seams on partial surfaces of Asphalt surface courses by applying a band-shaped Bitumen material along the seam flank of a partial surface in such a way that the bitumen material at least through mechanical action plasticized and through a molding nozzle pressed out in the form of a strand and pressed against the seam flank becomes.

Diese Verfahrensweise hat gegenüber dem Ausbringen eines vorgefertigten Fugenbandes den Vorteil, daß das Bitumenmaterial über den ganzen Querschnitt des ausgepreßten Strangs plastifiziert und noch bildsam ist, so daß es beim Andrücken an die Nahtflanke auch Ausbrüche und sonstige Unregelmäßigkeiten vollständig auszufüllen vermag. Da die Nahtflanke, wie üblich, mit einer Bitumengrundierung vorbehandelt ist, ergibt sich eine gute und vollflächige Haftung zwischen der Nahtflanke und dem Bitumenmaterial. Eine derartige über den ganzen Querschnitt des Stranges bzw. Bandes gegebene Plastifizierung ist bei einem vorgefertigten Band mit Hilfe einer Flamme demgegenüber nicht zu bewerkstelligen.This procedure has compared to spreading a prefabricated joint tape the advantage that Bitumen material over the entire cross section of the pressed Strangs plasticized and still figurative, so that it when pressing against the seam flank also breakouts and other Irregularities can be completely filled out. There the seam flank, as usual, with a bitumen primer is pretreated, there is a good and full area Adhesion between the seam flank and the bitumen material. Such over the entire cross section of the strand or tape given plasticization is at a prefabricated In contrast, do not tape with the help of a flame to accomplish.

Besonders zweckmäßig ist es, wenn zusätzlich zur mechanischen Einwirkung das Bitumenmaterial einer thermischen Einwirkung ausgesetzt wird. Diese thermische Einwirkung kann hierbei im Bereich der mechanischen Einwirkung auf das Bitumenmaterial erfolgen oder aber im Bereich der Formdüse, um das Fließverhalten und die Bildsamkeit in diesem Bereich, insbesondere bei niedrigen Temperaturen, günstig zu beeinflussen.It is particularly useful if in addition to the mechanical impact, the bitumen material is exposed to a thermal effect. This thermal Action can be in the area of mechanical Take effect on the bitumen material or else in the area of the molding nozzle to determine the flow behavior and the Plasticity in this area, especially at low ones Temperatures to influence favorably.

Das erfindungsgemäße Verfahren kann erfindungsgemäß durchgeführt werden mit einer Vorrichtung zum Herstellen fugenförmiger Nähte an Teilflächen in Asphaltdeckschichten durch Ausbringen eines bandförmigen Bitumenmaterials entlang der Nahtflanke einer Teilfläche mit einem mit Rädern versehenen Fahrwerk, auf dem eine kontinuierlich fördernde, antreibbare Kneteinrichtung angeordnet ist, die mit einer Aufgabeeinrichtung für das zu verarbeitende Bitumenmaterial und mit einer Formdüse für das plastifizierte Bitumenmaterial versehen ist.The method according to the invention can be carried out according to the invention with a device for producing joint-shaped seams on partial surfaces in asphalt cover layers by applying a band-shaped bitumen material along the seam flank of a partial surface a wheeled chassis on which a continuous promoting, drivable kneading device arranged is that with a feeder for the to be processed Bitumen material and with a shaping nozzle for the plasticized Bitumen material is provided.

Die Kneteinrichtung der Vorrichtung kann hierbei nach Art eines Extruders aufgebaut sein, der in einem Gehäuse eine Knet- und Förderschnecke aufweist, mit deren Hilfe das über die Aufgabeeinrichtung eingeführte Bitumenmaterial geknetet, hierbei plastifiziert und durch die Formdüse ausgepreßt wird. Wird nun das Fahrwerk bewegt, dann kann das aus der Formdüse austretende plastifizierte bandförmige Bitumenmaterial an der zu bearbeitenden Nahtflanke der bereits vorhandenen Teilfläche abgelegt und hierbei beispielsweise von Hand mit Hilfe eines spachtelförmigen Werkzeugs angedrückt werden. Aufgrund der durch die Plastifizierung gegebenen hohen Bildsamkeit des in situ erzeugten Bitumenbandes reichen Handkräfte aus, um das Bitumenband bei mangelhaften, beispielsweise mit Ausbrüchen versehenen Nahtflanken so anzudrücken, daß eine gute Anbindung gegeben ist.The kneading device the device can be in the manner of an extruder be built up in a housing a kneading and conveyor screw has, with the help of the feeder imported bitumen material kneaded, here is plasticized and pressed out through the molding nozzle. If the undercarriage is now moved, this can be done from the molding nozzle emerging plasticized band-shaped bitumen material on the seam flank to be machined of the existing one Partial area filed and by hand, for example pressed with the help of a spatula-shaped tool will. Because of the plasticization high plasticity of the bitumen tape produced in situ sufficient manual strength is sufficient to hold the bitumen tape for example, seam flanks provided with breakouts to express that there is a good connection.

Zweckmäßigerweise ist zumindest die Kneteinrichtung mit einer Heizeinrichtung versehen, um eine zuverlässige Plastifizierung zu gewährleisten.At least the kneading device with one is expedient Heating device provided for reliable plasticization to ensure.

In Ausgestaltung der erfindungsgemäßen Vorrichtung ist ferner vorgesehen, daß die Heizeinrichtung durch eine Wärmeübertragungsfläche gebildet wird, die von den Abgasen eines die Kneteinrichtung antreibenden Verbrennungsmotors beaufschlagt wird. Die über die Abgaswärme zur Verfügung stehende Wärmemenge reicht zur Temperierung der Kneteinrichtung aus, so daß die Mitführung einer zusätzlichen Energieversorgung, beispielsweise in Form eines Propangasbrenners, entfallen kann.In an embodiment of the device according to the invention further provided that the heating device by a Heat transfer surface is formed by the exhaust gases of an internal combustion engine driving the kneading device is applied. The available through the exhaust heat standing heat is sufficient to control the temperature of the kneading device off, so that carrying an additional energy supply, for example in the form of a propane gas burner, can be omitted.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, daß wenigstens ein Rad des Fahrwerks mit dem Antriebsmotor der Kneteinrichtung, vorzugsweise in Abhängigkeit von der Ausbringgeschwindigkeit der Kneteinrichtung steuerbar in Verbindung steht. Hierdurch ist eine spannungsfreie gleichmäßige Verlegung des auszubringenden plastifizierten Bitumenbandes gewährleistet. Zweckmäßig ist es hierbei, wenn die Formdüse mit ihrer Ausstoßrichtung entgegen der Fahrtrichtung des Fahrwerks ausgerichtet ist, wobei es ferner von Vorteil ist, wenn die Formdüse unter einem geringen Anstellwinkel gegen die Nahtflanke gerichtet ist.In a further embodiment of the invention, that at least one wheel of the chassis with the drive motor the kneading device, preferably depending on the spreading speed of the kneading device controllable communicates. This is a tension-free uniform laying of the plasticized to be applied Bitumen tape guaranteed. It is useful here when the molding nozzle with its ejection direction against Direction of travel of the landing gear is aligned, it is also advantageous if the molding nozzle under a small angle of attack directed against the seam flank is.

In zweckmäßiger Ausgestaltung der Erfindung ist ferner vorgesehen, daß ein Andruckelement für das aus der Formdüse austretende bandförmige Bitumenmaterial vorgesehen ist. Dies hat gegenüber dem Andrücken von Hand den Vorteil, daß mit größeren Kräften gearbeitet werden kann, als dies von Hand möglich ist. Das Andruckelement kann beispielsweise in Kufen- oder auch in Rollenform gestaltet sein, wobei zumindest die Oberfläche des Andruckelementes aus einem Werkstoff bestehen muß, an dem das plastifizierte Bitumenmaterial nicht anhaftet. Zweckmäßig ist es hierbei ferner, wenn das Andruckelement, bezogen auf die Fahrtrichtung, dicht hinter der Formdüse angeordnet ist.In an advantageous embodiment of the invention is also provided that a pressure element for that from the molding nozzle emerging band-shaped bitumen material is provided. This has the advantage over pressing on by hand that you can work with greater forces than this is possible by hand. The pressure element can, for example be designed in runners or also in roll form, whereby at least the surface of the pressure element from one Material must exist on which the plasticized bitumen material not attached. It is also expedient here if the pressure element, based on the direction of travel, is arranged close behind the molding nozzle.

In zweckmäßiger Ausgestaltung der Erfindung ist ferner vorgesehen, daß das Andruckelement relativ zum Fahrwerk höhenveränderbar mit diesem verbunden ist. Hierbei ist es ferner zweckmäßig, wenn das Andruckelement gegen die Bodenfläche neben der Nahtflanke anpreßbar geführt ausgebildet ist, so daß gewährleistet ist, daß das ausgebrachte plastifizierte Bitumenband auch über die volle Höhe der Nahtflanke angepreßt wird.In an advantageous embodiment of the invention is also provided that the pressure element relative to the chassis adjustable in height is connected to this. Here is it is also useful if the pressure element against the Bottom surface next to the seam flank designed to be pressed on is, so that it is ensured that the applied plasticized bitumen tape also over the full height of the Seam flank is pressed.

In zweckmäßiger weiterer Ausgestaltung der Erfindung ist vorgesehen, daß das Fahrwerk mit an der Nahtflanke anlegbaren, vorzugsweise relativ zum Fahrwerk quer einstellbaren Führungselementen versehen ist. Hierdurch ist eine Grundpositionierung des Fahrwerks in bezug auf die Nahtflanke sichergestellt, so daß der Ausgleich von Unebenheiten über das Andruckelement erfolgen kann. Zweckmäßigerweise wird wenigstens ein Führungselement im Bereich des Andruckelementes angeordnet.In a useful further embodiment of the invention provided that the undercarriage with attachable to the seam flank preferably transverse adjustable relative to the chassis Guide elements is provided. This is a basic positioning of the undercarriage with respect to the seam flank ensured so that the compensation of unevenness can be done via the pressure element. Conveniently becomes at least one guide element in the area of the pressure element arranged.

In weiterer vorteilhafter Ausgestaltung ist vorgesehen, daß die Aufgabeeinrichtung mit einer in Abhängigkeit von der Ausbringgeschwindigkeit der Kneteinrichtung antreibbaren Zufördereinrichtung für das Bitumenmaterial versehen ist. Hierdurch ist gewährleistet, daß die Kneteinrichtung mit einem nahezu konstanten Füllungsgrad betrieben wird. Zweckmäßig ist es hierbei, wenn die Zufördereinrichtung durch eine Klemmwalzenanordnung gebildet wird. Der Begriff Klemmwalzenanordnung betrifft sowohl zwei gegenläufig antreibbare Klemmwalzen als auch wenigstens zwei parallel zueinander angeordnete förderbandartige Klemmeinrichtungen, so daß das zweckmäßigerweise stabförmig vorgeformte bituminöse Aufgabematerial, das bis zu einem gewissen Grade verformbar ist, zuverlässig eingezogen wird.In a further advantageous embodiment, that the feeder with a depending on the discharge speed of the kneading device Feed device for the bitumen material is provided. This ensures that the kneading device with an almost constant fill level is operated. Appropriately it is here when the feed device through a pinch roller assembly is formed. The term pinch roller assembly affects both oppositely driven Pinch rollers as well as at least two parallel to each other arranged conveyor belt-like clamping devices, so that the expediently preformed bituminous bituminous Feed material that is deformable to a certain extent is reliably drawn in.

In weiterer zweckmäßiger Ausgestaltung der Erfindung ist vorgesehen, daß die Mündung des Auspuffs des Antriebsmotors, in Fahrtrichtung gesehen, vor der Mündung der Formdüse gegen die Nahtflanke gerichtet ausmündet. Diese Anordnung hat den Vorteil, daß die heißen Auspuffgase den bituminösen Voranstrich aufwärmen und bei feuchter Witterung, Nebelnässe, Tau oder dergleichen, die auf dem Bitumenanstrich befindliche Feuchtigkeitsablagerung abdampfen.In a further expedient embodiment of the invention provided that the mouth of the exhaust of the drive motor, seen in the direction of travel, in front of the mouth of the molding nozzle opens towards the seam flank. This arrangement has the advantage that the hot exhaust gases are the bituminous Warm up the primer and in damp weather, foggy weather, Dew or the like, the one on the bitumen paint Evaporate moisture deposits.

Die Erfindung wird anhand schematischer Zeichnungen eines Ausführungsbeispiels einer Vorrichtung näher erläutert.
Es zeigen:

Fig. 1
eine Seitenansicht
Fig. 1
eine Aufsicht.
The invention is explained in more detail with reference to schematic drawings of an embodiment of a device.
Show it:
Fig. 1
a side view
Fig. 1
a supervision.

Die in Fig. 1 in einer Seitenansicht dargestellte Vorrichtung besteht im wesentlichen aus einem mit Rädern 2 versehenen Fahrwerk 1, das eine Führungsdeichsel 3 aufweist, an der die erforderlichen Bedienungselemente angeordnet sind. Auf dem Fahrwerk 1 ist eine Kneteinrichtung 4 angeordnet, die im wesentlichen aus einem Gehäuse 5 besteht, in dem eine Knetschnecke 6 drehbar gelagert ist, die über einen Antriebsmotor 7, beispielsweise einen kleinen Ottomotor, angetrieben wird. Das Gehäuse 5 weist an seinem einen Ende einen Aufnahmetrichter 8 auf, der mit einer Zufördereinrichtung 9 versehen ist, die im wesentlichen aus zwei parallelen Klemmwalzen bzw. Klemmbandanordnungen, wie dargestellt, besteht. Die Zufördereinrichtung ist über hier nicht näher dargestellte Übertragungsmittel mit dem Antriebsmotor 7 verbunden, so daß das in Form einer Stange 10 angelieferte, zu verarbeitende Bitumenmaterial mit einer entsprechenden Kraft in den Aufnahmetrichter 8 eingepreßt und von der Knetschnecke 6 erfaßt wird. Am anderen Ende der Kneteinrichtung 4 ist eine Formdüse 11 vorgesehen. Das über die Zufördereinrichtung 9 aufgegebene Bitumenmaterial wird durch die mechanische Einwirkung der Knetschnecke 6 plastizifiert und durch die Formdüse 11 als plastisches Band ausgepreßt.The device shown in Fig. 1 in a side view consists essentially of a wheeled 2 Chassis 1, which has a guide drawbar 3, on the the necessary controls are arranged. A kneading device 4 is arranged on the carriage 1, which consists essentially of a housing 5 in which a kneading screw 6 is rotatably supported by a Drive motor 7, for example a small gasoline engine is driven. The housing 5 has on one End of a receiving funnel 8 with a feed device 9 is provided, which consists essentially of two parallel pinch rollers or clamping band arrangements, such as shown exists. The feeder is over Transmission means not shown here with the Drive motor 7 connected, so that in the form of a rod 10th supplied bitumen material to be processed with a corresponding force is pressed into the receiving funnel 8 and is detected by the kneading screw 6. On the other end the kneading device 4, a molding nozzle 11 is provided. The bitumen material fed in via the feed device 9 is caused by the mechanical action of the kneading screw 6 plasticized and through the molding nozzle 11 as plastic Band pressed out.

In der Aufsicht gem. Fig. 2 ist eine bereits vorhandene Deckschichtfläche 12 dargestellt, deren Nahtflanke 13 der mit einer neuen Asphaltdeckschicht zu versehenden Teilfläche 14 zugekehrt ist. Die Kneteinrichtung 4 mit ihrer Formdüse 11 ist nun so ausgerichtet, daß das aus der Formdüse 11 in Form eines Bandes 15 austretende durchplastifizierte Bitumenmaterial an die Nahtflanke 13 angelegt wird. Die Formdüse 11 weist hierbei zweckmäßigerweise einen Rechteckquerschnitt auf, der in seiner größten Erstreckung, d. h. seiner Höhe, etwas größer ist als die Dicke der bestehenden Deckschicht 12 und der in seiner Breite auf den speziellen Anwendungsfall abgestimmt ist. Hierbei sind je nach Anwendungsfall Breiten zwischen 8 und 20 mm möglich. In the supervision acc. Fig. 2 is an existing one Cover layer surface 12 shown, the seam flank 13th the one with a new asphalt surface course Partial surface 14 is facing. The kneader 4 with its molding nozzle 11 is now aligned so that the the molding nozzle 11 in the form of a band 15 exiting plasticized Bitumen material applied to the seam flank 13 becomes. The molding nozzle 11 expediently has a rectangular cross-section which, in its greatest extent, d. H. its height, slightly larger than that Thickness of the existing cover layer 12 and that in its Width is tailored to the specific application. Depending on the application, widths are between 8 and 20 mm possible.

Im Bereich der Formdüse 11 ist am Fahrwerk 1 ein Andruckelement 16, beispielsweise in Form einer Rolle angeordnet. Das Andruckelement 16 kann hierbei beispielsweise unter der Einwirkung eines Federelementes 17 stehen, durch das das Andruckelement 16 mit einer vorgegebenen, vorzugsweise einstellbaren Anpreßkraft gegen das aus der Formdüse 11 austretende plastifizierte Bitumenband 15 angedrückt wird, so daß dieses gegen die Nahtflanke 13 mit einer vorgegebenen Kraft angepreßt und in alle Unebenheiten eingedrückt wird.In the area of the molding nozzle 11 there is a pressure element on the chassis 1 16, for example arranged in the form of a roll. The pressure element 16 can, for example, under the action of a spring element 17 through which the pressure element 16 with a predetermined, preferably adjustable contact force against that from the molding nozzle 11 emerging plasticized bitumen tape 15 is pressed, so that this against the seam flank 13 with a predetermined Force is pressed and pressed into all bumps.

Wie Fig. 1 und 2 in Seitenansicht und in Aufsicht zeigen, ist das Andruckelement 16 zweckmäßigerweise an einer Haltevorrichtung 18 befestigt, die sich ihrerseits über eine Laufrolle 19 auf der Fläche 14 oder der Deckschicht 12 nachlaufend abstützt, so daß für das Andruckelement 16 immer eine genau definierte Höhenlage eingehalten wird. Die Haltevorrichtung 18 kann hierbei an das Fahrwerk angelenkt sein und unter dem Eigengewicht oder ggf. durch ein Zusatzgewicht gegen die Fläche 14 gedrückt werden, um eine Auswandern des Andruckelementes nach oben zu verhindern.1 and 2 in side view and in top view, the pressure element 16 is expediently on a holding device 18 attached, which in turn over a Roller 19 on the surface 14 or the top layer 12 trailing supports, so that for the pressure element 16th a precisely defined altitude is always maintained. The holding device 18 can be articulated to the undercarriage be and under your own weight or if necessary by an additional weight is pressed against the surface 14, to prevent the pressure element from migrating upwards.

Die Räder 2 am Fahrwerk 1 können, wie in der Aufsicht gem. Fig. 2 dargestellt, unter einem geringen Winkel schräg gestellt sein, so daß beim Vorschub der Vorrichtung in Richtung des Pfeiles 21 das Fahrwerk 1 gegen die Nahtflanke 13 gedrückt wird, wobei die Räder dann mit entsprechendem Schlupf über die Fläche 14 abrollen. Durch Führungselemente 22, beispielsweise Führungsrollen am Fahrwerk 1, ist eine einwandfreie Anlage und damit eine einwandfreie Positionierung des Fahrwerks zur Nahtflanke 13 gewährleistet.The wheels 2 on the chassis 1 can, as in the supervision acc. Fig. 2 shown obliquely at a small angle be set so that when feeding the device in Direction of arrow 21 the chassis 1 against the seam flank 13 is pressed, the wheels then with the corresponding Roll slip over surface 14. Through guide elements 22, for example guide rollers on the chassis 1, is one perfect system and thus perfect positioning the chassis to the seam flank 13 guaranteed.

Grundsätzlich ist es möglich, das Fahrwerk von Hand in Richtung des Pfeiles 21 über die Führungsdeichsel 3 vorzuschieben, wobei die Bedienungsperson zugleich den Austritt des Bandes aus der Düse und den Andruck an der Nahtflanke 13 beobachten kann. Für größere Baulose ist es zweckmäßig, wenn der Antriebsmotor 7 mit wenigstens einem der Räder 2 am Fahrwerk 1 über eine Getriebeanordnung 23, beispielsweise einen Riemen- oder Kettentrieb, in Verbindung steht, so daß der Antriebsmotor für die Knetschnecke 6 zugleich auch den Vorschub der Vorrichtung insgesamt bewirkt. Die Getriebeanordnung 23 ist hierbei zweckmäßigerweise hinsichtlich des Übersetzungsverhältnisses veränderbar, so daß die Bedienungsperson von der Führungsdeichsel 3 aus auf den Vorschub Einfluß nehmen kann. Zweckmäßigerweise ist die Grundeinstellung hierbei so getroffen, daß die Vorschubgeschwindigkeit auf die Förderleistung der Knetschnecke 6 abgestimmt ist und somit ein gleichmäßiges verspannungsfreies Ausbringen des plastifizierten Bitumenbandes 15 aus der Formdüse 11 gewährleistet ist.Basically, it is possible to hand in the landing gear To advance in the direction of arrow 21 over the guide drawbar 3, the operator simultaneously leaving the tape from the nozzle and the pressure on the seam flank 13 can watch. For larger building lots, it is advisable if the drive motor 7 with at least one of the wheels 2 on the chassis 1 via a gear arrangement 23, for example a belt or chain drive, is connected, so that the drive motor for the kneading screw 6 at the same time also causes the feed of the device as a whole. The Gear arrangement 23 is expedient in this regard the gear ratio changeable so that the operator from the handlebar 3 on the feed can influence. It is expedient the basic setting is made so that the feed speed on the conveying capacity of the kneading screw 6 is matched and thus a uniform tension-free Application of the plasticized bitumen tape 15 from the Mold nozzle 11 is guaranteed.

Das Gehäuse 5 der Kneteinrichtung 4 kann doppelwandig ausgebildet sein, so daß die Durchleitung der heißen Abgase des Antriebsmotors 7 möglich ist, um die mit dem zu plastifizierenden Bitumenmaterial in Berührung kommende Innenwandung der Kneteinrichtung 4 zu erwärmen. Dies ist insbesondere bei niedrigen Außentemperaturen vorteilhaft. Die Aufheiztemperatur kann in einfacher Weise durch eine zusätzliche Bypaßleitung über die durch die eine Heizfläche bildende Doppelwandung des Gehäuses 5 hindurchgeleitete Abgasmenge reguliert werden.The housing 5 of the kneading device 4 can be double-walled be designed so that the passage of the hot exhaust gases of the drive motor 7 is possible in order to be plasticized with the Bitumen material coming into contact with the inner wall the kneading device 4 to heat. This is particularly so advantageous at low outside temperatures. The heating temperature can easily be done by an additional Bypass line via the one forming the heating surface Double wall of the housing 5 passed exhaust gas amount be regulated.

Zweckmäßig ist es hierbei ferner, wenn die Öffnung des Auspuffs nach unten geführt und gegen die Nahtflanke 13 und zwar in Fahrtrichtung austretend gerichtet ist, so daß die heißen Abgase die Nahtflanke 13 bestreichen und hierbei Feuchtigkeit abdampft. Zugleich wird hierbei der bitumenhaltige Voranstrich aufgewärmt, so daß die Bindung des plastifizierten Bitumenbandes 15 an die Nahtflanke 13 noch unterstützt wird.It is also useful here if the opening of the Exhausts led down and against the seam flank 13 and is directed in the direction of travel, so that the hot exhaust gases coat the seam flank 13 and this evaporates moisture. At the same time, the bituminous primer warmed up so that the bond of the plasticized bitumen tape 15 on the seam flank 13 is still supported.

Claims (16)

  1. A method for the production of joint-like seams on partial surfaces of asphalt surfacing by laying a strip-like bitumen material along the seam flank of a partial surface, characterised in that the bitumen material is plasticised at least by mechanical action and is squeezed out via a shaping nozzle in strand form and is pressed against the seam flank.
  2. A method according to Claim 1, characterised in that in addition to the mechanical action the bitumen material is subjected to thermal action.
  3. A device for the production of joint-like seams on partial surfaces in asphalt surfacing by laying a strip-like bitumen material (15) along the seam flank (13) of a partial surface (12), with a travelling gear (1) provided with wheels (2), characterised in that a continuously conveying, drivable kneading means (4) is arranged on the travelling gear (1), which means is provided with a charging means (9) for the bitumen material (10) to be processed and with a shaping nozzle (11) for the plasticised bitumen material.
  4. A device according to Claim 3, characterised in that at least the kneading means (4) is provided with a heating means.
  5. A device according to Claim 4, characterised in that the heating means is formed by a heat-transfer surface which is acted upon by the exhaust gases of an internal combustion engine (7) which drives the kneading means (4).
  6. A device according to one of Claims 3 to 5, characterised in that at least one wheel (2) of the travelling gear (1) is connected to the drive motor (7) of the kneading means (4) so as to be controllable, preferably dependent on the output rate of the kneading means (4).
  7. A device according to one of Claims 3 to 6, characterised in that the shaping nozzle (11) is oriented with its direction of ejection counter to the direction of travel (21) of the travelling gear (1).
  8. A device according to one of Claims 3 to 7, characterised in that a pressure element (16) for the strip-like bitumen material (15) emerging from the shaping nozzle (11) is provided on the travelling gear (1).
  9. A device according to Claim 8, characterised in that the pressure element (16), relative to the direction of travel (21), is located close behind the shaping nozzle (11).
  10. A device according to one of Claims 8 or 9, characterised in that the pressure element (16) is connected to the travelling gear (1) so as to be adjustable in height relative thereto.
  11. A device according to one of Claims 8 to 10, characterised in that the pressure element (16) is designed to be guided so that it can be pressed against the base surface next to the seam surface (13).
  12. A device according to one of Claims 3 to 11, characterised in that the travelling gear (1) is provided with guide elements (22) which can be laid against the seam flank (13) and which can preferably be transversely adjusted relative to the travelling gear (1).
  13. A device according to Claim 12, characterised in that at least one guide element (22) is arranged in the region of the pressure element (16).
  14. A device according to one of Claims 3 to 13, characterised in that the charging means (9) is provided with a supply means for the bitumen material which can be driven dependent on the output rate of the kneading means (4).
  15. A device according to Claim 14, characterised in that the supply means is formed by a pinch-roll arrangement.
  16. A device according to one of Claims 3 to 15, characterised in that the mouth of the exhaust of the drive motor (7), viewed in the direction of travel (21), opens out directed against the seam flank (13) before the mouth of the shaping nozzle (11).
EP94113418A 1993-10-01 1994-08-27 Method of making joint-like seams at partial areas of asphalt layers and device for the execution of the method Expired - Lifetime EP0646675B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4333527A DE4333527C2 (en) 1993-10-01 1993-10-01 Process for producing joint-shaped seams on partial surfaces of asphalt cover layers and device for carrying out the process
DE4333527 1993-10-01

Publications (3)

Publication Number Publication Date
EP0646675A2 EP0646675A2 (en) 1995-04-05
EP0646675A3 EP0646675A3 (en) 1995-05-10
EP0646675B1 true EP0646675B1 (en) 1998-02-18

Family

ID=6499189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94113418A Expired - Lifetime EP0646675B1 (en) 1993-10-01 1994-08-27 Method of making joint-like seams at partial areas of asphalt layers and device for the execution of the method

Country Status (3)

Country Link
EP (1) EP0646675B1 (en)
AT (1) ATE163312T1 (en)
DE (2) DE4333527C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014173513A1 (en) 2013-04-22 2014-10-30 Denso-Holding Gmbh & Co. Composition for filling joints and/or cracks
EP3081615A2 (en) 2015-04-14 2016-10-19 DENSO-Holding GmbH & Co. Closing joint for a groove with least one layer of a bituminous first and second mass
DE102018133615B3 (en) * 2018-12-27 2020-04-02 Denso-Holding Gmbh & Co. Mobile device for producing joint-shaped seams on partial surfaces of asphalt cover layers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109610322B (en) * 2018-12-05 2020-10-20 中新合创城市建设发展有限公司 Asphalt waterproof coiled material paving equipment and paving method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR656599A (en) * 1928-06-28 1929-05-10 Tison Freres Improvements to spreaders for tar, bitumen and similar products
DE8512884U1 (en) * 1985-05-02 1985-07-18 Hirsch, Klaus, 5900 Siegen Bitumen joint tape laying device
DE8700801U1 (en) * 1987-01-17 1987-03-05 Hirsch, Klaus, 5900 Siegen Hand-held laying device for fusible joint tape
DE9105161U1 (en) * 1991-04-26 1991-07-18 Hirsch, Klaus, 5900 Siegen Bitumen joint tape laying device
DE9401190U1 (en) * 1994-01-25 1994-04-07 Denso-Chemie Wedekind KG, 51371 Leverkusen Device for applying a pasty bitumen material in strip form

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014173513A1 (en) 2013-04-22 2014-10-30 Denso-Holding Gmbh & Co. Composition for filling joints and/or cracks
US9493655B2 (en) 2013-04-22 2016-11-15 Denso-Holding Gmbh & Co. Composition for filling joints and/or cracks
EP3081615A2 (en) 2015-04-14 2016-10-19 DENSO-Holding GmbH & Co. Closing joint for a groove with least one layer of a bituminous first and second mass
DE102015105686A1 (en) 2015-04-14 2016-10-20 Denso-Holding Gmbh & Co. Joint seal for a joint with at least one layer of a bituminous first and a bituminous second mass
EP3081615A3 (en) * 2015-04-14 2016-12-28 DENSO-Holding GmbH & Co. Closing joint for a groove with least one layer of a bituminous first and second mass
DE102018133615B3 (en) * 2018-12-27 2020-04-02 Denso-Holding Gmbh & Co. Mobile device for producing joint-shaped seams on partial surfaces of asphalt cover layers
EP3683359A1 (en) 2018-12-27 2020-07-22 DENSO-Holding GmbH & Co. Mobile device for producing joint-shaped seams on partial surfaces of asphalt coverings

Also Published As

Publication number Publication date
EP0646675A3 (en) 1995-05-10
EP0646675A2 (en) 1995-04-05
DE4333527C2 (en) 2002-11-28
DE4333527A1 (en) 1995-04-06
ATE163312T1 (en) 1998-03-15
DE59405269D1 (en) 1998-03-26

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