EP0182748B1 - Verfahren zum Kaltfräsen von Fahrbahndeckschichten - Google Patents

Verfahren zum Kaltfräsen von Fahrbahndeckschichten Download PDF

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Publication number
EP0182748B1
EP0182748B1 EP85810547A EP85810547A EP0182748B1 EP 0182748 B1 EP0182748 B1 EP 0182748B1 EP 85810547 A EP85810547 A EP 85810547A EP 85810547 A EP85810547 A EP 85810547A EP 0182748 B1 EP0182748 B1 EP 0182748B1
Authority
EP
European Patent Office
Prior art keywords
liquid composition
organic
milled
milling
process according
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
EP85810547A
Other languages
English (en)
French (fr)
Other versions
EP0182748A3 (en
EP0182748A2 (de
Inventor
Jean Beauverd
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.)
Colas SA
Original Assignee
Colas SA
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
Application filed by Colas SA filed Critical Colas SA
Priority to AT85810547T priority Critical patent/ATE50012T1/de
Publication of EP0182748A2 publication Critical patent/EP0182748A2/de
Publication of EP0182748A3 publication Critical patent/EP0182748A3/fr
Application granted granted Critical
Publication of EP0182748B1 publication Critical patent/EP0182748B1/de
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
    • E01C23/065—Recycling in place or on the road, i.e. hot or cold reprocessing of paving in situ or on the traffic surface, with or without adding virgin material or lifting of salvaged material; Repairs or resurfacing involving at least partial reprocessing of the existing paving
    • 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
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/187—Repairing bituminous covers, e.g. regeneration of the covering material in situ, application of a new bituminous topping

Definitions

  • the invention relates to a process for preparing a pavement coating material from the material recovered during cold milling of the surface layers of the pavements. It also relates to a machine. implementing said process and using the milled material obtained according to this process.
  • Maintenance of the road surface may, among other things, use so-called cold milling techniques.
  • the surface layers of the coating are removed by milling, with a view to lowering and regularizing the level of the surface, thus preparing it to receive a new coating.
  • the resulting materials can then be either eliminated or reused, if necessary after subsequent storage and reprocessing.
  • Such processing can only be carried out at the cost of additional operations and using ancillary facilities, which increase the total cost of all operations accordingly.
  • an aqueous or organic or aqueous organic liquid composition is used, the nature of said composition depending in fact on the destination of the milled material.
  • an aqueous solution or suspension or simply water can be used as the aqueous composition.
  • an organic composition one can use a solvent or a mixture of organic solvents, for example toluene, heavy or light aliphatic hydrocarbons or other petroleum distillation residues, or a binder or mixture of anhydrous binders, such as lacquers or “cut-back” binders.
  • an aqueous organic composition an aqueous emulsion of bitumen or tar, for example, can be used.
  • the quantity of liquid composition to be incorporated into the milling material is calculated as a function of the various parameters making it possible to define the milling material: this quantity will in particular be a function of the mass of milled material collected, of the particle size curve of said material , the angularity of the grains constituting said material and the compaction energy accepted according to standard SN 670 330 a (PROCTOR test) or similar).
  • the quantity of liquid composition thus calculated will be that which makes it possible to obtain a milled material with an optimal content of compacting liquid.
  • additional mixing can be carried out in order to obtain optimal homogenization of the material mixed with the liquid composition.
  • Such mixing can be carried out on the same milling site, immediately after the incorporation of the liquid composition or during a separate step, in an appropriate installation.
  • the method of the invention can be suitably implemented using a cold milling machine comprising a device for storing the liquid composition, a device for bringing the liquid composition to the milling zone and a device for dose the liquid composition incorporated into the milled material.
  • any known means can be used, such as a tank for example, fixed on the machine itself or on an auxiliary vehicle, the device bringing the liquid composition to the desired level then being arranged accordingly.
  • a metering pump is preferably used, controlled by the speed of advance of the machine. The control of such a pump can be achieved using any suitable known means, for example using an independent tachometer, a tachometer connected to the transmission system of the machine or the milling element of said machine, or through the PTO of the milling element of the machine.
  • the pump flow (Q) is then determined as follows:
  • the milled material resulting from the process according to the invention can be reused immediately or after intermediate storage, in particular for the preparation of foundation layers, adjustment layers or wear layers of roadways.

Claims (7)

1. Verfahren zur Herstellung von Fahrbahnbelagsmaterial aus einem Material, zurückgewonnen durch Kaltfräsen von Oberflächenschichten von Strassen, dadurch gekennzeichnet, dass beim Fräsen in das gefräste Material in einer vorgegebenen Menge, eine flüssig-wässrige oder organische oder organisch-wässrige Masse eingebracht wird, wobei besagte Menge so berechnet wird, dass in einem Arbeitsgang ein Material mit einem optimalen Gehalt an Verdichtungsflüssigkeit erhalten wird.
2. Verfahren nach Patentanspruch 1, dadurch gekennzeichnet, dass als flüssige Masse Wasser, ein Lösungsmittel oder ein Gemisch organischer Lösungsmittel, ein Bindemittel oder ein Gemisch organischer Bindemittel oder eine Emulsion verwendet wird, wie beispielsweise eine Bitumen-oder Teeremulsion:
3. Verfahren nach einem der Patentansprüche 1 oder 2, dadurch gekennzeichnet, dass die Menge flüssiger, einzubringender Masse in Abhängigkeit von der Masse gefrästen Materials, der Sieblinie des gefrästen Materials, der Kantigkeit der Körner und der zulässigen Verdichtungsenergie berechnet wird.
4. Verfahren nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass es aus einem zusätzlichen Arbeitsgang des Mischens des gefrästen, mit der Flüssigmasse vermischten Materials besteht.
5. Maschine für das Kaltfräsen von Oberfiächenschichten von Fahrbahnbelägen zur Durchführung des Verfahrens nach Patentanspruch 1, dadurch gekennzeichnet, dass sie eine Lagervorrichtung für die Flüssigmasse, eine Vorrichtung zum Einbringen der Flüssigmasse in die Fräszone und eine Vorrichtung zum Dosieren der in das gefräste Material eingebrachten Flüssigmasse enthält.
6. Maschine nach Patentanspruch 5, dadurch gekennzeichnet, dass die Dosiervorrichtung für die Flüssigmasse eine Dosierpumpe ist, deren Drehzahl an die Vorrückgeschwindigkeit der Maschine angepasst ist.
7. Verwendung des gefrästen, durch das Verfahren nach einem der Patentansprüche 1 bis 4 gewonnenen, Materials für die Herstellung von Tragschichten, Abgleichschichten oder Verschleissschichten von Strassen.
EP85810547A 1984-11-20 1985-11-18 Verfahren zum Kaltfräsen von Fahrbahndeckschichten Expired - Lifetime EP0182748B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85810547T ATE50012T1 (de) 1984-11-20 1985-11-18 Verfahren zum kaltfraesen von fahrbahndeckschichten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5541/84A CH661953A5 (fr) 1984-11-20 1984-11-20 Procede de preparation d'un materiau de revetement de chaussees.
CH5541/84 1984-11-20

Publications (3)

Publication Number Publication Date
EP0182748A2 EP0182748A2 (de) 1986-05-28
EP0182748A3 EP0182748A3 (en) 1987-04-15
EP0182748B1 true EP0182748B1 (de) 1990-01-31

Family

ID=4295324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85810547A Expired - Lifetime EP0182748B1 (de) 1984-11-20 1985-11-18 Verfahren zum Kaltfräsen von Fahrbahndeckschichten

Country Status (4)

Country Link
EP (1) EP0182748B1 (de)
AT (1) ATE50012T1 (de)
CH (1) CH661953A5 (de)
DE (1) DE3575752D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2606801B1 (fr) * 1986-11-18 1989-03-10 Colas Sa Procede pour regenerer a froid les couches superieures des chaussees et liants pour la mise en oeuvre de ce procede
FR2609653B1 (fr) * 1987-01-19 1991-11-08 Nord Recyclage Materiaux Procede de recyclage de dechets bitumineux
IT8947534A0 (it) * 1989-01-13 1989-01-13 Todini Costruzioni Generali S Macchinario a pluricomponenti semovente per confezionamento in sito e stesa di conglomerato bituminoso a freddo
US4946307A (en) * 1989-08-15 1990-08-07 Astec Industries, Inc. Asphalt pavement recycling apparatus
DE4237512A1 (de) * 1992-11-08 1994-05-11 Wirtgen Gmbh Verfahren und Vorrichtung zur Sanierung beschädigter Fahrbahnen
RU2447035C1 (ru) * 2010-10-20 2012-04-10 Сергей Константинович Илиополов Плотная органоминеральная смесь
KR101567637B1 (ko) * 2013-10-21 2015-11-09 현대자동차주식회사 차량의 액티브후드 장치
FR3031991B1 (fr) 2015-01-28 2018-07-13 Colas Procede de rabotage de chaussee a abattement de poussieres a l'aide d'une raboteuse mobile
RU2666949C1 (ru) * 2017-11-14 2018-09-13 Олег Александрович Горбунов Способ устройства слоев дорожных одежд для транспортной инфраструктуры
RU2714547C1 (ru) * 2018-12-11 2020-02-18 Андрей Викторович Кочетков Способ строительства дорожной одежды и конструкция дорожной одежды

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2484492A1 (fr) * 1980-06-17 1981-12-18 Lefebvre Sa Entreprise Jean Procede pour la thermo-regeneration en place et le recyclage des enrobes hydrocarbones de couche de roulement
US4373961A (en) * 1981-10-13 1983-02-15 Penelizer Corporation Process and composition for use in recycling of old asphalt pavements
FR2520400A1 (fr) * 1982-01-27 1983-07-29 Colas Sa Procede de regeneration de revetement routier par recyclage, en place

Also Published As

Publication number Publication date
EP0182748A3 (en) 1987-04-15
DE3575752D1 (de) 1990-03-08
EP0182748A2 (de) 1986-05-28
CH661953A5 (fr) 1987-08-31
ATE50012T1 (de) 1990-02-15

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