EP0646675A2 - Procédé pour édifier des jointures à surfaces partielles de revêtements en asphalte et dispositif pour l'exécution du procédé - Google Patents

Procédé pour édifier des jointures à surfaces partielles de revêtements en asphalte et dispositif pour l'exécution du procédé Download PDF

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Publication number
EP0646675A2
EP0646675A2 EP94113418A EP94113418A EP0646675A2 EP 0646675 A2 EP0646675 A2 EP 0646675A2 EP 94113418 A EP94113418 A EP 94113418A EP 94113418 A EP94113418 A EP 94113418A EP 0646675 A2 EP0646675 A2 EP 0646675A2
Authority
EP
European Patent Office
Prior art keywords
bitumen material
seam
undercarriage
pressure element
kneading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94113418A
Other languages
German (de)
English (en)
Other versions
EP0646675A3 (fr
EP0646675B1 (fr
Inventor
Fritz Baur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Holding GmbH and Co KG
Original Assignee
Denso Chemie Wedekind KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6499189&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0646675(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Denso Chemie Wedekind KG filed Critical Denso Chemie Wedekind KG
Publication of EP0646675A2 publication Critical patent/EP0646675A2/fr
Publication of EP0646675A3 publication Critical patent/EP0646675A3/fr
Application granted granted Critical
Publication of EP0646675B1 publication Critical patent/EP0646675B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 cover layers.
  • seams is used in the following as a generic term for both seams and connections. Seams in the true sense are created by the combination of adjacent installation tracks made of mixed material with comparable properties. Connections are the connections of installation tracks made of mixed material with different properties. This includes rolled asphalt (asphalt concrete, stone mastic asphalt) on mastic asphalt and vice versa. The connection of mastic asphalt to mastic asphalt is also to be established as a connection. There is a particular need for so-called connections in a "new” versus “old” construction, since the difference in the properties of the top layer materials to be introduced is due to the length of time alone, regardless of the type of mix for the surfaces to be connected.
  • connections are therefore very high. They should be waterproof, i. H. do not open under the influence of traffic and climate. It is therefore important to bring more bitumen to the connection flank than before. This is particularly important for connections.
  • the aim here must be to install a soft joint at this point, i.e. to place a maximum amount of bitumen for sealing, moving and adhering.
  • the bitumen joint tape cannot be pressed sufficiently against the machined flank either by hand or by means of a device that has a pressure roller, so that it only becomes a superficial one Cling comes.
  • the temperature of the mixed material of the new top layer to be applied, which is brought directly to the installed joint tape, is not sufficient to compensate for this deficiency, so that even after the subsequent rolling, there is no tight closure of the seam. Due to the insufficient adhesion, it is possible for the seam in the area of the seam flank to open slightly due to the influence of thermally induced stresses, so that water can penetrate and the covering layer is damaged in this area.
  • the invention has for its object to provide a method by which the disadvantages described above are avoided.
  • the object is achieved according to the invention by a method for producing joint-shaped seams on partial surfaces of asphalt cover layers by applying a band-shaped bitumen material along the seam flank of a partial surface in such a way that the bitumen material is plasticized at least by mechanical action and pressed into a strand shape via a shaping nozzle and pressed against the seam flank becomes.
  • This procedure has the advantage over the application of a prefabricated joint tape that the bitumen material is plasticized over the entire cross section of the extruded strand and is still plastic, so that it can also completely fill out breakouts and other irregularities when pressed against the seam flank.
  • the seam flank is pre-treated with a bitumen primer, there is good and full-surface adhesion between the seam flank and the bitumen material.
  • a bitumen primer for the seam flank and the bitumen material.
  • plasticization given over the entire cross section of the strand or strip, cannot be accomplished.
  • the bitumen material is exposed to a thermal action. This thermal action can take place in the area of the mechanical action on the bitumen material or in the area of the shaping nozzle in order to favorably influence the flow behavior and the plasticity in this area, in particular at low temperatures.
  • the method according to the invention can be carried out according to the invention particularly advantageously 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 with a wheeled chassis on which a continuously Conveying, drivable kneading device is arranged, which is provided with a feed device for the bitumen material to be processed and with a shaping nozzle for the plasticized bitumen material.
  • the kneading device of the device can in this case be constructed in the manner of an extruder which has a kneading and conveying screw in a housing, with the aid of which the bitumen material introduced via the feed device is kneaded, plasticized here and pressed out through the molding nozzle. If the undercarriage is now moved, the plastified band-shaped bitumen material emerging from the molding nozzle can be placed on the seam flank of the already existing partial surface to be processed and can be pressed on, for example by hand, using a spatula-shaped tool.
  • bitumen tape Due to the high degree of plasticity of the bitumen tape produced in situ, manual forces are sufficient to press the bitumen tape in the case of defective seam flanks, for example with breakouts, in such a way that there is a good connection.
  • At least the kneading device is expediently provided with a heating device in order to ensure reliable plasticizing.
  • the heating device is formed by a heat transfer surface which is acted upon by the exhaust gases of an internal combustion engine driving the kneading device.
  • the amount of heat available via the exhaust gas heat is sufficient to control the temperature of the kneading device, so that carrying an additional energy supply, for example in the form of a propane gas burner, can be dispensed with.
  • At least one wheel of the undercarriage is controllably connected to the drive motor of the kneading device, preferably as a function of the spreading speed of the kneading device.
  • This is a tension-free ensures uniform laying of the plasticized bitumen tape to be applied. It is expedient here if the molding nozzle is aligned with its ejection direction counter to the direction of travel of the undercarriage, and it is also advantageous if the molding nozzle is directed against the seam flank at a small angle of attack.
  • a pressure element is provided for the band-shaped bitumen material emerging from the molding nozzle.
  • the pressure element can be designed, for example, in the form of runners or rolls, at least the surface of the pressure element must consist of a material to which the plasticized bitumen material does not adhere. It is also expedient here if the pressure element, in relation to the direction of travel, is arranged closely behind the molding nozzle.
  • the pressure element is connected to the chassis such that it can be adjusted in height relative to it. It is also expedient if the pressure element is designed such that it can be pressed against the bottom surface next to the seam flank, so that it is ensured that the applied plasticized bitumen tape is also pressed over the full height of the seam flank.
  • the undercarriage is provided with guide elements which can be placed on the seam flank and are preferably adjustable transversely relative to the undercarriage. This ensures a basic positioning of the undercarriage with respect to the seam flank, so that the unevenness can be compensated for via the pressure element.
  • At least one guide element is expediently located in the area of the pressure element arranged.
  • the feed device is provided with a feed device for the bitumen material which can be driven as a function of the speed of the kneading device.
  • a feed device for the bitumen material which can be driven as a function of the speed of the kneading device.
  • the feed device is formed by a clamping roller arrangement.
  • the term pinch roller arrangement relates to both oppositely drivable pinch rollers and at least two conveyor belt-type clamping devices arranged parallel to one another, so that the expediently preformed bituminous feed material, which is deformable to a certain degree, is reliably drawn in.
  • the mouth of the exhaust of the drive motor viewed in the direction of travel, opens out in front of the mouth of the shaping nozzle against the seam flank.
  • the device shown in Fig. 1 in a side view consists essentially of a wheel 2 provided 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 essentially consists of a housing 5 in which a kneading screw 6 is rotatably mounted, which is driven by a drive motor 7, for example a small gasoline engine.
  • the housing 5 has at one end a receiving funnel 8, which is provided with a feed device 9, which essentially consists of two parallel clamping rollers or clamping belt arrangements, as shown.
  • the feed device is connected to the drive motor 7 via transmission means, not shown here, so that the bitumen material to be processed, which is supplied in the form of a rod 10, is pressed into the receiving funnel 8 with a corresponding force and is gripped by the kneading screw 6.
  • a molding nozzle 11 is provided at the other end of the kneading device 4.
  • the bitumen material fed in via the feed device 9 is plasticized by the mechanical action of the kneading screw 6 and pressed out as a plastic band through the shaping nozzle 11.
  • FIG. 2 shows an existing top layer surface 12, the seam flank 13 of which faces the partial surface 14 to be provided with a new asphalt top layer.
  • the kneading device 4 with its shaping nozzle 11 is now aligned so that the fully plasticized bitumen material emerging from the shaping nozzle 11 in the form of a band 15 is applied to the seam flank 13.
  • the shaping nozzle 11 expediently has a rectangular cross-section which, in its greatest extent, ie its height, is somewhat larger than the thickness of the existing cover layer 12 and the width of which is tailored to the specific application. Depending on the application, widths between 8 and 20 mm are possible.
  • a pressure element 16 for example in the form of a roller, is arranged on the chassis 1 in the region of the molding nozzle 11.
  • the pressure element 16 can be under the action of a spring element 17, for example, by means of which the pressure element 16 is pressed with a predetermined, preferably adjustable contact pressure against the plasticized bitumen tape 15 emerging from the molding nozzle 11, so that it is pressed against the seam flank 13 with a predetermined force pressed and pressed into all bumps.
  • the pressure element 16 is expediently attached to a holding device 18, which in turn is supported by a roller 19 on the surface 14 or the cover layer 12, so that there is always one for the pressure element 16 precisely defined altitude is maintained.
  • the holding device 18 can in this case be articulated to the undercarriage and pressed against the surface 14 under its own weight or possibly by an additional weight in order to prevent the pressure element from migrating upward.
  • the wheels 2 on the chassis 1 can, as in the supervision acc. Fig. 2 shown, be inclined at a small angle, so that the carriage 1 is pressed against the seam flank 13 when advancing the device in the direction of arrow 21, the wheels then rolling over the surface 14 with appropriate slip.
  • guide elements 22 for example guide rollers on the running gear 1, a perfect contact and thus a perfect positioning of the running gear with respect to the seam flank 13 is guaranteed.
  • the drive motor 7 is connected to at least one of the wheels 2 is connected to the chassis 1 via a gear arrangement 23, for example a belt or chain drive, so that the drive motor for the kneading screw 6 also causes the device as a whole to be advanced.
  • the gear arrangement 23 is expediently changeable with regard to the transmission ratio, so that the operator can influence the feed from the guide drawbar 3.
  • the basic setting is expediently made such that the feed speed is matched to the conveying capacity of the kneading screw 6 and thus a uniform, tension-free removal of the plasticized bitumen tape 15 from the molding nozzle 11 is ensured.
  • the housing 5 of the kneading device 4 can be double-walled, so that the passage of the hot exhaust gases from the drive motor 7 is possible in order to heat the inner wall of the kneading device 4 coming into contact with the bitumen material to be plasticized. This is particularly advantageous at low outside temperatures.
  • the heating temperature can be regulated in a simple manner by an additional bypass line via the amount of exhaust gas passed through the double wall of the housing 5 forming a heating surface.
  • the opening of the exhaust pipe is directed downward and is directed toward the seam flank 13, namely in the direction of travel, so that the hot exhaust gases coat the seam flank 13 and moisture evaporates in the process.
  • the bituminous primer is warmed up so that the binding of the plasticized bitumen tape 15 to the seam flank 13 is further supported.

Landscapes

  • 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)
EP94113418A 1993-10-01 1994-08-27 Procédé pour édifier des jointures à surfaces partielles de revêtements en asphalte et dispositif pour l'exécution du procédé Expired - Lifetime EP0646675B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4333527 1993-10-01
DE4333527A DE4333527C2 (de) 1993-10-01 1993-10-01 Verfahren zum Herstellen fugenförmiger Nähte an Teilflächen von Asphaltdeckschichten und Vorrichtung zur Durchführung des Verfahrens

Publications (3)

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

Family

ID=6499189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94113418A Expired - Lifetime EP0646675B1 (fr) 1993-10-01 1994-08-27 Procédé pour édifier des jointures à surfaces partielles de revêtements en asphalte et dispositif pour l'exécution du procédé

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109610322A (zh) * 2018-12-05 2019-04-12 中新合创城市建设发展有限公司 一种沥青防水卷材铺装设备及铺装方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA029466B1 (ru) 2013-04-22 2018-03-30 Дензо-Холдинг Гмбх Унд Ко. Масса для заполнения швов и/или трещин
DE102015105686A1 (de) 2015-04-14 2016-10-20 Denso-Holding Gmbh & Co. Fugenabdichtung für eine Fuge mit mindestens einer Schicht einer bitumenhaltigen ersten und einer bitumenhaltigen zweiten Masse
DE102018133615B3 (de) 2018-12-27 2020-04-02 Denso-Holding Gmbh & Co. Mobile Vorrichtung zum Herstellen fugenförmiger Nähte an Teilflächen von Asphaltdeckschichten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR656599A (fr) * 1928-06-28 1929-05-10 Tison Freres Perfectionnements aux appareils épandeurs de goudrons, bitumes et produits similaires
DE8512884U1 (de) * 1985-05-02 1985-07-18 Hirsch, Klaus, 5900 Siegen Bitumenfugenband-Verlegegerät
DE8700801U1 (de) * 1987-01-17 1987-03-05 Hirsch, Klaus, 5900 Siegen Handgeführtes Verlegegerät für schmelzbares Fugenband
DE9105161U1 (de) * 1991-04-26 1991-07-18 Hirsch, Klaus, 5900 Siegen Bitumenfugenband-Verlegegerät
DE9401190U1 (de) * 1994-01-25 1994-04-07 Denso-Chemie Wedekind KG, 51371 Leverkusen Vorrichtung zum Auftragen eines pastenförmigen Bitumenmaterials in Streifenform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109610322A (zh) * 2018-12-05 2019-04-12 中新合创城市建设发展有限公司 一种沥青防水卷材铺装设备及铺装方法

Also Published As

Publication number Publication date
DE59405269D1 (de) 1998-03-26
DE4333527C2 (de) 2002-11-28
DE4333527A1 (de) 1995-04-06
ATE163312T1 (de) 1998-03-15
EP0646675A3 (fr) 1995-05-10
EP0646675B1 (fr) 1998-02-18

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R26 Opposition filed (corrected)

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