WO1996026319A1 - Procede de reparation de la couche de surface de chaussees et dispositif pour la mise en ×uvre de ce procede - Google Patents

Procede de reparation de la couche de surface de chaussees et dispositif pour la mise en ×uvre de ce procede Download PDF

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Publication number
WO1996026319A1
WO1996026319A1 PCT/EP1996/000409 EP9600409W WO9626319A1 WO 1996026319 A1 WO1996026319 A1 WO 1996026319A1 EP 9600409 W EP9600409 W EP 9600409W WO 9626319 A1 WO9626319 A1 WO 9626319A1
Authority
WO
WIPO (PCT)
Prior art keywords
asphalt
mastic asphalt
binder
milling
top layer
Prior art date
Application number
PCT/EP1996/000409
Other languages
German (de)
English (en)
Inventor
Klaus Sonnen
Siegfried Sadzulewsky
Original Assignee
Gfb Gesellschaft Für Bauwerksabdichtungen Mbh
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 Gfb Gesellschaft Für Bauwerksabdichtungen Mbh filed Critical Gfb Gesellschaft Für Bauwerksabdichtungen Mbh
Priority to AU47859/96A priority Critical patent/AU4785996A/en
Publication of WO1996026319A1 publication Critical patent/WO1996026319A1/fr

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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

Definitions

  • the present invention relates to a method for repairing the surface layer of roadways made from rolled asphalt, thin layers in cold or hot paving and / or mastic asphalt by milling, picking up, processing and reinstalling, and an apparatus for carrying out this method.
  • top layer of road surfaces made of rolled asphalt, thin layers in cold or hot paving and / or mastic asphalt is usually repaired by milling and picking up the old top layer and then installing a new top layer. Due to the reuse requirement and the constantly increasing costs of scarce landfill space, there is a need to recycle the building materials obtained by milling and picking up. This use has hitherto been carried out either in cold paving or in hot paving in the form of rolled asphalt in the lower layers of the asphalt superstructure. For heavily loaded and fast-moving roads of building classes SV, I to III, however, there are high demands on the asphalt to be reinstalled, especially with top layers.
  • Mixed layers 0 / 11S or 0 / 8S are usually used for surface layers for roads with normal and special loads (construction class SV, I to III and StSLW) (see ZTV Asphalt - StB 94, page 10).
  • the installation thickness is usually 4.0 cm; see RStO 86 edition 1989.
  • Mastic asphalt has a larger binder volume than rolled asphalt, so that the cavities are completely filled and a small excess of binder is present. Mastic asphalt does not require compaction when paving.
  • the surface is roughened or blunted immediately after pouring the mastic asphalt; see. ZTV Asphalt -StB 94, pages 43 to 45.
  • the paving thickness for mastic asphalt 0 / 11S and 0/11 and 0/8 is 2.5 to 4.0 cm.
  • the surface of the mastic asphalt surface must be roughened with chippings.
  • the grit can be pressed on with profiled or smooth rollers; see. ZTV Asphalt - StB 94, page 47.
  • the object of the invention is to utilize the building materials obtained by milling and picking up old cover layers economically and in an environmentally friendly manner, and as high-quality as possible in cover layers of heavily used roads, in particular also of building classes SV, I, II and III.
  • the aim is to keep the time for carrying out all procedural steps as short as possible and, furthermore, to keep the space required for the repair work as small as possible, so that, for example, only one lane width is required on motorways. There is therefore a need to repair the top layer within a few hours, so that the construction sites are only available during the low-traffic period.
  • the task is to use as little new building materials as possible for the new covering layers and if possible not to have to discard any building materials, so that as little material as possible has to be brought to the landfill.
  • the added new binder may have a different hardness than the binder of the built-up materials. For example, a softer binder had to be added when thin layers from the cold paving were reused, while hard or soft binders usually had to be added when reusing top layers of rolled asphalt or mastic asphalt.
  • the type of binder to be added should preferably be determined by laboratory tests before the repair work is carried out.
  • the surface roughness additionally required for roadways with a high load is carried out in the method according to the invention in a manner known per se by sprinkling with grit and pressing this grit.
  • the above-mentioned preliminary investigations in the laboratory can also determine the maximum grain size that is present in the milled and absorbed finishing materials. This maximum grain size is the limiting factor for the minimum layer thickness of the mix to be reinstalled.
  • cover layers installed according to the invention contribute to noise reduction. Comparative measurements have shown that cover layers produced according to the invention produce a noise level which is up to 2 Db (A) lower than cover layers made from rolled asphalt.
  • a new device is preferably used to carry out the method according to the invention.
  • This device consists of a milling machine, a holding device with post-cleaning device for the milled surfaces, an intensively heatable mixing device, an addition device for further binders and optionally for further raw materials and additives and a device for reinstalling the mixture as mastic asphalt.
  • This device preferably also already has a grit scattering device.
  • the device In order to get by with only one lane width, the device is preferably only a maximum of 2.40 or 3.00 m wide.
  • the device for milling, picking up and cleaning the milled parts on the one hand and the device for reinstallation should, however, be extendable up to a width of 4 m in order to be able to carry out the repair of such wide lanes in one pass.
  • the device according to the invention should be infinitely variable for speeds of 0 to at least 50 m / h. , preferably up to 150 m / h. be controllable. In addition, however, it should have an overdrive, with which it can be brought quickly to and from the construction site within the construction site and be driven away from there again.
  • the device according to the invention is designed such that it can be supplied with respect to the supply of binders, possibly further raw materials and additives and grit for scattering from the front and / or from the rear, so that no space is required on the side and therefore the measures can be carried out by blocking only one lane.
  • the devices according to the prior art for milling, picking up, processing and reinstalling in the form of rolled asphalt are not suitable for the method according to the invention, since they have a minimum speed of 120 m / h. to have. Mastic asphalt cannot be installed so quickly. The slower processability of mastic asphalt is only apparently a disadvantage, since the subsequent step of compaction can be dispensed with. Furthermore, the method according to the invention manages with less material and thinner layers, which leads to considerable cost savings. There was also a prejudice against the method according to the invention in the specialist world because the thin layers in hot installation, because of the rapid cooling, could only be carried out under favorable weather conditions. In the method according to the invention, the reassembly takes place with a much hotter mixture, so that the material bonds better to the bituminous base. It is therefore possible to work at lower temperatures than when installing surface layers made of rolled asphalt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Repair (AREA)

Abstract

La présente invention concerne un procédé de réparation de la couche de surface de chaussées, constituée par de l'asphalte roulé, des couches minces appliquées à froid ou à chaud et/ou de l'asphalte coulé, par fraisage, levée, traitement et réincorporation. Selon ce procédé on réalise le traitement en ajoutant un liant supplémentaire ou des additifs, ce qui donne un asphalte à couler et, après la réincorporation, à rendre la surface rugueuse.
PCT/EP1996/000409 1995-02-24 1996-02-01 Procede de reparation de la couche de surface de chaussees et dispositif pour la mise en ×uvre de ce procede WO1996026319A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU47859/96A AU4785996A (en) 1995-02-24 1996-02-01 Process for repairing the top layer of roads and a device for carrying out the said process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19506444 1995-02-24
DE19506444.5 1995-02-24

Publications (1)

Publication Number Publication Date
WO1996026319A1 true WO1996026319A1 (fr) 1996-08-29

Family

ID=7754917

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/000409 WO1996026319A1 (fr) 1995-02-24 1996-02-01 Procede de reparation de la couche de surface de chaussees et dispositif pour la mise en ×uvre de ce procede

Country Status (2)

Country Link
AU (1) AU4785996A (fr)
WO (1) WO1996026319A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010586C2 (en) * 2013-04-08 2014-10-09 Konink Bam Groep Nv Mastic composition for asphalt mixtures and process for making such a mastic composition.
CN104727207A (zh) * 2015-03-31 2015-06-24 东南大学 一种半刚性基层沥青路面结构性维修设计方法
WO2017194873A1 (fr) 2016-05-10 2017-11-16 Colas Dispositif pour le recyclage in situ de materiaux constitutifs d'une chaussée de circulation et concasseur pour fraisats de chaussée de circulation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761024B (zh) * 2010-01-05 2011-07-27 南京英达公路养护车制造有限公司 泛油沥青路面热再生加砂处理方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481336A1 (fr) * 1980-04-29 1981-10-30 Autostrade Spa Machine automotrice pour la regeneration des revetements routiers en conglomerat bitumineux
EP0182937A1 (fr) * 1984-11-30 1986-06-04 Deutsche Asphalt GmbH Procédé de fabrication d'asphalte à couler à partir de béton asphaltique de recyclage et asphalte à couler ainsi fabriqué
EP0282381A1 (fr) * 1987-03-03 1988-09-14 BEUGNET, Société anonyme dite Atelier de régénération d'une chaussée
DE4033150A1 (de) * 1990-10-18 1992-04-23 Schoelkopf Fahrbahndecken Recy Verfahren zur oberflaechenbehandlung einer fahrbahndecke o. dgl.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481336A1 (fr) * 1980-04-29 1981-10-30 Autostrade Spa Machine automotrice pour la regeneration des revetements routiers en conglomerat bitumineux
EP0182937A1 (fr) * 1984-11-30 1986-06-04 Deutsche Asphalt GmbH Procédé de fabrication d'asphalte à couler à partir de béton asphaltique de recyclage et asphalte à couler ainsi fabriqué
EP0282381A1 (fr) * 1987-03-03 1988-09-14 BEUGNET, Société anonyme dite Atelier de régénération d'une chaussée
DE4033150A1 (de) * 1990-10-18 1992-04-23 Schoelkopf Fahrbahndecken Recy Verfahren zur oberflaechenbehandlung einer fahrbahndecke o. dgl.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"SANIERUNG VON SCHADHAFTEN FAHRBAHN-RANDBEREICHEN", BITUMEN, vol. 52, no. 2, 1 January 1990 (1990-01-01), pages 70 - 75, XP000137726 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010586C2 (en) * 2013-04-08 2014-10-09 Konink Bam Groep Nv Mastic composition for asphalt mixtures and process for making such a mastic composition.
WO2014168477A1 (fr) * 2013-04-08 2014-10-16 Koninklijke Bam Groep N.V. Composition de mastic pour des mélanges d'asphalte et procédé de fabrication d'une telle composition de mastic
CN104727207A (zh) * 2015-03-31 2015-06-24 东南大学 一种半刚性基层沥青路面结构性维修设计方法
CN104727207B (zh) * 2015-03-31 2016-08-17 东南大学 一种半刚性基层沥青路面结构性维修设计方法
WO2017194873A1 (fr) 2016-05-10 2017-11-16 Colas Dispositif pour le recyclage in situ de materiaux constitutifs d'une chaussée de circulation et concasseur pour fraisats de chaussée de circulation
US10619314B2 (en) 2016-05-10 2020-04-14 Colas Apparatus for in-place recycling of materials forming part of a roadway pavement, and crusher for milling debris from a roadway pavement

Also Published As

Publication number Publication date
AU4785996A (en) 1996-09-11

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