EP0751259B1 - Procédé et dispositif pour la fabrication d'évidements dans des couches d'asphalte - Google Patents

Procédé et dispositif pour la fabrication d'évidements dans des couches d'asphalte Download PDF

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Publication number
EP0751259B1
EP0751259B1 EP96107626A EP96107626A EP0751259B1 EP 0751259 B1 EP0751259 B1 EP 0751259B1 EP 96107626 A EP96107626 A EP 96107626A EP 96107626 A EP96107626 A EP 96107626A EP 0751259 B1 EP0751259 B1 EP 0751259B1
Authority
EP
European Patent Office
Prior art keywords
asphalt
frame
asphalt layer
suction removal
layer
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.)
Expired - Lifetime
Application number
EP96107626A
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German (de)
English (en)
Other versions
EP0751259A1 (fr
Inventor
Willi Dietrich
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.)
Kkb Knape / Kirchner Gleis-Und Tiefbau & Co Kg GmbH
Original Assignee
Kkb Knape / Kirchner Gleis-Und Tiefbau & Co Kg GmbH
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Application filed by Kkb Knape / Kirchner Gleis-Und Tiefbau & Co Kg GmbH filed Critical Kkb Knape / Kirchner Gleis-Und Tiefbau & Co Kg GmbH
Publication of EP0751259A1 publication Critical patent/EP0751259A1/fr
Application granted granted Critical
Publication of EP0751259B1 publication Critical patent/EP0751259B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/06—Transporting, laying, removing or renewing sleepers

Definitions

  • the present invention relates to a method and an apparatus for producing Recesses in asphalt layers, especially in asphalt layers ballastless superstructure for railways, on which on a lower Base layer an asphalt layer is applied, on which rail sleepers are mounted become.
  • cutouts for the Fixation of the rail sleepers required, with the middle of part of the Thresholds or all thresholds of anchoring protrusions extending down into the If possible, intervene in the cutouts concerned and glue them in place or cast in.
  • a corresponding device has a for producing such recesses Loosening device for loosening asphalt within the recess provided area.
  • Loosening devices of this type typically consist of cutting discs with which slots corresponding to the contour of the recess are cut into the asphalt layer be, with the asphalt within the cut area with Air chisels or the like is loosened and removed.
  • WO 90/02844 describes a device for repairing potholes in streets known, which consists of a vehicle that has a storage container for a bitumen mixture, has a storage container for split and a receptacle for waste, this Waste receptacle with a suction device to be placed over a pothole connected is.
  • a milling machine which is arranged in the center of a machining head, is supposed to do that Bring the existing pothole to a desired contour, the resulting one Waste material is sucked in.
  • Such a device or such a vehicle is not suitable, recesses in yet warm asphalt, as they are generally still warm for this purpose Should drive on asphalt.
  • such a device works with a Milling cutter shape of the pothole much too slow to be economical
  • a large number of recesses arranged one behind the other in an asphalt layer could be produced, as is the case with rail fastening on so-called fixed Roadways is required.
  • each rail sleeper is anchored in a corresponding recess, so that a variety of such recesses in a grid dimension, which the grid dimension of Corresponds to rail sleepers, must be manufactured.
  • ballast-free superstructures have been used for railways which an asphalt layer is applied and compacted on a lower base course, on which the rail sleepers are then mounted.
  • a method is known in which anchoring stones are incorporated or cast into the asphalt layer that protrude from the surface of the asphalt layer and that in corresponding Engage recesses on the underside of the rail sleepers in a form-fitting manner to be firmly and permanently anchored.
  • the contours of the recess are usually matched with cutting discs Slits were cut in the asphalt layer and then the asphalt within the incised area loosened with compressed air chisels or the like and removed.
  • This method is also relatively complex and has the disadvantage that the recesses only in simple polygonal shapes, usually rectangular or square Cross section could be made.
  • the entire asphalt is in this process also highly compressed along the edge of the recess, however, the process presents high Precision requirements for making the cutouts and cutting the slots so that a corresponding anchoring projection is really form-fitting engages in the recess.
  • the object of the present invention is a method and a corresponding device with the features mentioned above create, which in a very simple, fast and cost-saving manner the manufacture of Enable cut-outs in asphalt layers.
  • the object on which the invention is based is achieved by that when applying or shortly after applying the asphalt layer, a frame on the Place the intended recess in the asphalt layer, using the frame has essentially the shape of the recess provided, and that within the The asphalt, which is still warm, is loosened and removed by a suction device is suctioned off.
  • the method according to the invention differs from the conventional method as especially because the asphalt material is still warm, not hardened is removed and, to make this possible at all, a frame in the asphalt is incorporated, the shape and dimensions of which correspond to the desired recess. there you could leave the frame in the recess and in this case the internal dimensions would have to be of the frame of the desired recess.
  • the frame can also be used again be removed from the recess and in this case, of course, the External dimensions of the frame or the part of the frame penetrating the asphalt correspond to the desired dimensions of the recess.
  • the Asphalt within the frame by placing the frame in the (still warm) asphalt layer is shaken.
  • it is a frame that is still warm and preferably already compacted asphalt layer and vibrated or hammered into the Asphalt layer shaken.
  • the asphalt within the frame is so in Vibrations offset that it gives in to the suction of a suction device when above the Asphalt layer within the frame creates a sufficient vacuum.
  • the jogging process also has the particular advantage that the granular asphalt material is further compacted and solidified on the outer circumference of the frame.
  • an embodiment of the method according to the invention is preferred, in which the extracted material for further use in the manufacture of further sections of the Asphalt layer is returned to an asphalt material bucket.
  • the conventional Process of recesses in which the recesses generally only after the When the asphalt surface had been hardened, the asphalt lumps had to be removed Waste material to be disposed of.
  • the corresponding device according to claim 7 for producing recesses in one Asphalt layer and a loosening device for loosening asphalt within the has area provided for the recess, which is the basis of the invention
  • a corresponding suction device is arranged on a separate device and the recesses are only subsequently made in the hardened asphalt layer it would offer no particular advantage.
  • the suction device is provided directly on an asphalt paver, the asphalt can immediately after the corresponding asphalt layer has been produced by the device in question are suctioned off, the flexible hose line with which the suction hood of the Device is connected to a corresponding suction unit, which offers the possibility the asphalt paver continuously during the production of the asphalt layer to move forward while the suction hood is stationary over the relevant recess can remain arranged around the loosened asphalt material suck off.
  • the loosening device a vibrating device is for a frame whose dimensions correspond to the intended recess.
  • the Vibrating device moves the asphalt layer around the frame and especially inside of the frame in strong oscillations and vibrations, so that there is only a slight Support from the vacuum generated by the suction device is required to Lift and remove the asphalt surface from the surface within the frame.
  • the frame which with the help of the invention Device has been shaken, has an outwardly flanged edge, which attaches to the outer edge of the recess provided and so the asphalt layer around the Holds recess around and even additionally compressed, which is also the sole displacement in lateral direction when shaking the frame contributes.
  • the suction device only in operation for a short time is set when the vibrated frame has pierced the asphalt layer or the outer one Frame flange lies on the surface of the asphalt layer.
  • An embodiment of the invention is particularly preferred in which an exhaust hood is provided, the cross section of which covers the surface of the recess and the lower edge of which the vibrated frame can be put on.
  • This suction hood then only produces over the Surface of the recess provided the desired vacuum and can then Tear loose, warm asphalt out of this area.
  • suction hood is equipped with a flexible pipe or Hose line is connected, the possible relative movements between the suction hood and can compensate for a suction unit.
  • An embodiment of the invention is particularly preferred, in which the suction hood over a pipeline or via the flexible hose line with a storage bucket for asphalt material connected is.
  • the extracted warm asphalt material can further use in the manufacture of the asphalt surface.
  • These leadership elements are planned all the purpose of arranging the frame and the suction device exactly at the positions, where the recesses are to be made.
  • suction hood is preferably suspended together with a vibrating device on a carriage which in turn hangs longitudinally on a rail, this rail being behind the compaction screed of the ballast paver along the working direction of the asphalt paver and extends in the upper area, the flexible suction hose on the suction hood Relative movements of the carriage along the rail and relative to the other parts of the Asphalt paver and the parts of the suction device mounted on it.
  • suction hood is and / or damping elements on the vibrating device for vibrating the frame suspended or integrated into it.
  • the asphalt paver 10 which largely has a conventional structure.
  • the asphalt paver consists of a tracked vehicle with relatively far apart Chain tracks, between which the asphalt layer is applied to a lower support layer.
  • the asphalt paver 10 has a storage bucket 5, and not visible here and devices arranged between the chain drives for uniform application of a Asphalt layer on the underlying base layer.
  • the compaction screed 11 can in particular also be a Have vibrating mechanism for firmly shaking the asphalt layer 3.
  • the asphalt paver 10 generally works continuously, i.e. it moves slowly in the working direction left, the emptying storage bucket 5 constantly by appropriate vehicles is refilled, either in close proximity in front of the asphalt paver 10 or next to it drive up the same.
  • the frame 1 can either be a rectangular frame or a frame with a circular wall.
  • the frame cross section or the wall cross section of the The frame is angled twice into a Z shape.
  • the frame 1 consists of the actual the recess 2 producing vertical frame part 21, a horizontally extending Flange part 22 and an outer edge 23 which finally extends vertically again the actual recess 2 producing frame part consists only of the vertical Wall section 21.
  • the flange 22 is intended to provide good power transmission from the To ensure shaking device 6 on the frame 1, also a flange-like
  • the vibrating foot 17 of the vibrating frame 6 "comes into contact with the flange part 22 of the frame 1.
  • the Z-shaped, double bending of the wall of the frame 1 gives the frame a special high stability, so that by vigorously shaking the frame with simultaneous pressure of the flange 17 on the flange part 22 of the frame, the inner wall part 21 of the frame can be pressed relatively easily into the still warm asphalt.
  • the underside lies down of the flange part 22 of the frame 1 on the edge of the recess 2 provided and holds so that the asphalt layer around the recess to be provided is very firm.
  • the edges of the recess 2 still experience compression due to the radial displacement of the asphalt material through the wall section 21 of the frame 2.
  • the entire device is suspended from a slide 12 via a cable pull device 18, which is movable in the longitudinal direction of the device along the rail 13.
  • the vibrator 6 and the parts integrated therein Suction device 4 lifted when a recess 2 is made.
  • the Device placed in the desired position over the next frame 1 to this to shake.
  • the asphalt paver 10 is behind the compaction screed or on the structure of the asphalt paver in the area of the vibrating and suction device Guide rails 9 attached, which the suction hood 7 and the vibrating frame 6 "in lateral Lead direction.
  • These guide elements can also be used for the Align the frame 1 to be shaken correctly beforehand by using the guide elements 9 corresponding devices for aligning and feeding the frame 1 are arranged.
  • the extracted asphalt material is through the flexible line 8 and the suction unit 15th again entered into the material bucket 5 of the asphalt paver 10 via a pipeline 8 '.
  • the suction unit 15th again entered into the material bucket 5 of the asphalt paver 10 via a pipeline 8 '.
  • the material taken out of the recesses 2 for the further production of the Asphalt layer is available and does not need to be disposed of.
  • the entire asphalt paver is controlled from one or more work platforms 19, whereby expediently a separate operating option for the device for producing the Cutouts are provided.
  • the device as a whole is expediently constructed in such a way that it can be connected to a conventional one Asphalt paver 10 can also be retrofitted.
  • cutouts 2 can be made in a freshly produced one Asphalt pavement can be produced relatively quickly and with low energy and cost.
  • asphalt material is also saved, since that removed from the recesses Material can be reused while still warm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Road Paving Structures (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Laminated Bodies (AREA)
  • Working-Up Tar And Pitch (AREA)

Claims (14)

  1. Procédé de réalisation d'évidements dans une couche d'asphalte, en particulier dans une construction de voie sans ballast pour voie ferrée, dans lequel, sur une couche de base inférieure, on applique une couche d'asphalte sur laquelle sont montées des traverses de rail, caractérisé en ce que, lors du répandage ou peu de temps après le répandage de la couche d'asphalte, on incorpore dans la couche d'asphalte (3) un cadre (1) sur le lieu d'un évidement prévu (2), cadre qui pour l'essentiel a la forme de l'évidement prévu (2), et en ce que l'asphalte encore chaud, se trouvant à l'intérieur du cadre, est ameubli, et aspiré par un dispositif d'aspiration (4).
  2. Procédé selon la revendication 1, caractérisé en ce que les évidements sont réalisés dans la couche d'asphalte supérieure d'une construction de voie sans ballast pour voies ferrées selon un pas modulaire, qui correspond à l'écart entre les traverses de rail devant être fixées sur la couche d'asphalte, ou à un multiple entier de cet écart, les évidements (2) étant réalisés approximativement au milieu entre la course prévue des deux rails de la voie ferrée, et étant configurés pour recevoir une saillie d'ancrage, s'étendant vers le bas à partir des traverses.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'ameublissement de l'asphalte dans l'évidement s'effectue par vibration du cadre (1) dans la couche d'asphalte (3).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'incorporation du cadre (1) dans la couche d'asphalte a lieu immédiatement après le compactage de l'asphalte.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'asphalte aspiré est, pour réutilisation lors de la réalisation d'autres sections de la couche d'asphalte, renvoyé dans une benne (5) contenant l'asphalte.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le cadre (1) est extrait de l'évidement (2) après aspiration du matériau qui y est contenu.
  7. Equipement pour réaliser des évidements dans une couche d'asphalte, en particulier dans une couche d'asphalte (3) prévue en tant que couche de base pour traverses de rail, avec un dispositif d'ameublissement (6) pour ameublir l'asphalte encore chaud à l'intérieur de la zone prévue pour l'évidement (2), caractérisé en ce que l'équipement est prévu contre un finisseur (10) pour asphalte coulé et comporte un dispositif d'aspiration (4), avec un capot d'aspiration, qui par l'intermédiaire d'un tuyau souple est relié à un groupe aspirateur.
  8. Equipement selon la revendication 7, caractérisé en ce que le dispositif d'ameublissement est un dispositif de vibration (6) pour le cadre (1), dont les dimensions correspondent aux évidements prévus (2).
  9. Equipement selon la revendication 7 ou 8, caractérisé en ce que le capot d'aspiration (7) recouvre, par sa section transversale, la surface de l'évidement (2), et, par son bord inférieur, peut être disposé sur le cadre (1) ou ne laisse libre qu'une petite fente entre le cadre et lui.
  10. Equipement selon l'une des revendications 7 à 9, caractérisé en ce que le capot d'aspiration (7) est, par une conduite d'aspiration (8), relié à une benne (5) pour stockage de l'asphalte.
  11. Equipement selon l'une des revendications 7 à 10, caractérisé en ce que des éléments de guidage (9) sont prévus pour un cadre (1) destiné à être mis en place par vibration et/ou pour le dispositif d'aspiration (4) ou son capot d'aspiration (7).
  12. Equipement selon l'une, des revendications 7 à 11, caractérisé en ce qu'il est monté en arrière de la poutre de compactage (11) du finisseur pour asphalte coulé (10).
  13. Equipement selon la revendication 12, caractérisé en ce que le capot d'aspiration (7) est, de préférence en même temps que le dispositif de vibration (6), suspendu à un chariot (12), qui pour sa part est suspendu, en pouvant se déplacer dans la direction longitudinale, à un rail (13) qui, en arrière de la poutre de compactage (11), s'étend dans le sens de progression du finisseur (10) pour asphalte coulé ou dans la zone supérieure de ce dernier, le tuyau souple d'aspiration (8) équilibrant les déplacements du chariot (12) le long du rail (13) et par rapport aux éléments, montés à demeure sur le finisseur (10), du dispositif d'aspiration (4).
  14. Equipement selon la revendication 12 ou 13, caractérisé en ce que le capot d'aspiration (7) est, par l'intermédiaire d'éléments de suspension et/ou d'amortissement (14), suspendu au dispositif de vibration (6), et de préférence est intégré dans ce dernier.
EP96107626A 1995-06-28 1996-05-14 Procédé et dispositif pour la fabrication d'évidements dans des couches d'asphalte Expired - Lifetime EP0751259B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19523503 1995-06-28
DE19523503A DE19523503A1 (de) 1995-06-28 1995-06-28 Verfahren und Vorrichtung zum Herstellen von Aussparungen in Asphaltschichten

Publications (2)

Publication Number Publication Date
EP0751259A1 EP0751259A1 (fr) 1997-01-02
EP0751259B1 true EP0751259B1 (fr) 2001-08-16

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Application Number Title Priority Date Filing Date
EP96107626A Expired - Lifetime EP0751259B1 (fr) 1995-06-28 1996-05-14 Procédé et dispositif pour la fabrication d'évidements dans des couches d'asphalte

Country Status (4)

Country Link
EP (1) EP0751259B1 (fr)
AT (1) ATE204350T1 (fr)
DE (2) DE19523503A1 (fr)
ES (1) ES2171204T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111335234A (zh) * 2020-03-10 2020-06-26 中南林业科技大学 一种多孔沥青路面空隙恢复的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1302702A (fr) * 1969-01-10 1973-01-10
WO1990002844A1 (fr) * 1988-09-15 1990-03-22 Isles Raymond C Appareil de reparation de chaussees
US5333969A (en) * 1993-03-19 1994-08-02 Blaha James R Automated pavement repair vehicle
DE4430967A1 (de) * 1994-08-31 1996-03-07 Xaver Riebel Bauunternehmung G Schienenlagerung

Also Published As

Publication number Publication date
ES2171204T3 (es) 2002-09-01
ATE204350T1 (de) 2001-09-15
EP0751259A1 (fr) 1997-01-02
DE59607486D1 (de) 2001-09-20
DE19523503A1 (de) 1997-01-02

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