WO1997036056A1 - Surfacings for fast-traffic roads and process for their production - Google Patents
Surfacings for fast-traffic roads and process for their production Download PDFInfo
- Publication number
- WO1997036056A1 WO1997036056A1 PCT/EP1997/001472 EP9701472W WO9736056A1 WO 1997036056 A1 WO1997036056 A1 WO 1997036056A1 EP 9701472 W EP9701472 W EP 9701472W WO 9736056 A1 WO9736056 A1 WO 9736056A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sprinkled
- ceramic particles
- chippings
- mastic asphalt
- asphalt
- Prior art date
Links
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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
-
- 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
- E01C7/182—Aggregate or filler materials, except those according to E01C7/26
Definitions
- the present invention relates to cover layers for fast-lined roads consisting of a layer of mastic asphalt with grit scattering and methods for producing the cover layers.
- Mastic asphalt has a larger binder volume than rolled asphalt, so that the cavities are completely filled and there is even a slight excess of binder. 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 must be roughened with chippings on the surface. The grit can be pressed on with profiled or smooth rollers; see. ZTV Asphalt - StB 94, page 47.
- EP 96 101 477.6 proposes to repair the surface layer of roadways with mastic asphalt, a mastic asphalt layer of 0 to 3 cm being installed with or without prior roughening or milling of the uppermost layer, the binder being modified by addition of polymers or rubber and the minerals have a maximum grain size of 8 mm.
- PCT / EP 96/00409 it is proposed to repair the surface layer of carriageways of various types by milling, picking them up and processing and re-installing them in such a way that the addition of further binder produces mastic asphalt, the surface of which is roughened after reinstallation.
- the small areas are preferably in the form of longitudinal stripes in which single-grain chips with a narrow grain size distribution are embedded. In principle, however, it is also possible to use the small areas entirely or. partly to be made from highly porous, hard ceramic particles with a narrow Grain size distribution.
- the cover layers are produced by first applying a layer of mastic asphalt, into which small areas of 1 to 10 mm in size, which are capable of absorbing compressed air, are installed at intervals of 10 to 80 mm while still hot. whereupon it is sprinkled with grit in a manner known per se and optionally rolled.
- the top layers are preferably produced by introducing long grooves into the still hot layer of the mastic asphalt at intervals of 10 to 80 mm, the grain chippings are sprinkled with a narrow grain size distribution, the width of the long grooves being at least 1 mm larger than the maximum diameter of the Einkornsplits, abei is only so large that a maximum of two grains of the Einkornsplitt can lie next to each other, the grains of the Einkornsplitt m are embedded in the still hot poured asphalt, the remaining surface is sprinkled with chippings in a manner known per se, and if necessary the entire surface is rolled, whereby the grooves are pressed together again by the rolling.
- the rolling can also be dispensed with
- the ceramic particles can also be installed in that holes, the diameter of which is at least 1, are pressed into the hot asphalt at regular or irregular intervals mm is larger than the maximum diameter of the ceramic particles, but is only so large that a maximum of two grains can lie next to one another, whereupon excess quantities of the ceramic particles are sprinkled on, the portions of the ceramic particles which have not penetrated the holes are removed and the portions which have penetrated the holes are rolled are firmly printed in the holes, whereupon m is scattered in a manner known per se with grit and, if appropriate, rolled again
- these are pressed in depending on the thickness of the covering layer, for example by suitable rollers, into the still hot mastic asphalt.
- These long grooves should be at least half as deep as they are wide. If the thickness of the cover layer allows it, the grooves can also be significantly deeper and thereby take up several layers of the single-grain chips one above the other.
- the cover layer retains its noise-reducing property even with gradual wear. However, if the cover layers are only very thin, grooves that are only half as deep as the maximum diameter of the single-grain chips are sufficient.
- the Einkornsplitt After the Einkornsplitt has been introduced, it can be firmly embedded in the mastic asphalt by rolling it in. It is also possible, however, to sprinkle and roll with further chippings immediately after the eingrit chippings have been introduced. This rolling process can be sufficient to ensure that the emcorn chippings are embedded sufficiently firmly in the grooves
- the embedding of the chippings in the groove takes place predominantly from the sides, so that, at least in Langsi ichtun ⁇ , small voids remain between the slit grains, ie in - 5 -
- cover layers according to the invention for fast-moving roads can of course be made from new materials. However, they are also excellently suited to be used together with the methods according to EP 96 101 477 6 and PCT / EP 96/00409. In this way it is possible to also to carry out repairs and repairs in such a way that cover layers are present afterwards with a clear reduction in noise compared to the previously removed old layers
- the effect according to the invention can already be achieved if long grooves with a width of 3 mm and a depth of 3 to 5 mm are covered with a grain splinter Grain sizes of 1 to 2 mm filled, rolled, sprinkled with normal chippings and rolled again.
- a binder modified by polymers and / or rubber is also used for the mastic asphalt according to the invention, especially if it is to be applied in only thin layers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97916378T ATE231204T1 (en) | 1996-03-23 | 1997-03-22 | COVER LAYERS FOR HIGH-SPEED ROADS AND METHOD FOR PRODUCING THE SAME |
DE59709152T DE59709152D1 (en) | 1996-03-23 | 1997-03-22 | COATING LAYERS FOR HIGH-SPEED ROADS AND METHOD FOR THE PRODUCTION THEREOF |
EP97916378A EP0886700B1 (en) | 1996-03-23 | 1997-03-22 | Surfacings for fast-traffic roads and process for their production |
AU25051/97A AU2505197A (en) | 1996-03-23 | 1997-03-22 | Surfacings for fast-traffic roads and process for their production |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19611566A DE19611566A1 (en) | 1996-03-23 | 1996-03-23 | Top layers for fast-moving roads and methods for producing the same |
DE19611566.3 | 1996-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997036056A1 true WO1997036056A1 (en) | 1997-10-02 |
Family
ID=7789232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/001472 WO1997036056A1 (en) | 1996-03-23 | 1997-03-22 | Surfacings for fast-traffic roads and process for their production |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0886700B1 (en) |
AT (1) | ATE231204T1 (en) |
AU (1) | AU2505197A (en) |
DE (2) | DE19611566A1 (en) |
WO (1) | WO1997036056A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290862B (en) * | 1965-06-09 | 1969-03-13 | Rohrbach Rudolf | Process for the production of pore-containing asphalt construction and asphalt road surfaces |
FR1581696A (en) * | 1968-07-17 | 1969-09-19 | ||
EP0182937A1 (en) * | 1984-11-30 | 1986-06-04 | Deutsche Asphalt GmbH | Method of making an asphalt coating composition by using an asphalt concrete recycling material, and asphalt coating composition produced according to the method |
EP0381903A1 (en) * | 1989-02-10 | 1990-08-16 | BEUGNET, Société dite | Coated materials comprising coarse aggregate and bituminous binder for the construction of layers of roadway coverings and porous roadway covering obtained from such coated materials especially adapted for drainage through surface and noise abatement |
-
1996
- 1996-03-23 DE DE19611566A patent/DE19611566A1/en not_active Withdrawn
-
1997
- 1997-03-22 AU AU25051/97A patent/AU2505197A/en not_active Abandoned
- 1997-03-22 WO PCT/EP1997/001472 patent/WO1997036056A1/en active IP Right Grant
- 1997-03-22 EP EP97916378A patent/EP0886700B1/en not_active Expired - Lifetime
- 1997-03-22 DE DE59709152T patent/DE59709152D1/en not_active Expired - Fee Related
- 1997-03-22 AT AT97916378T patent/ATE231204T1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1290862B (en) * | 1965-06-09 | 1969-03-13 | Rohrbach Rudolf | Process for the production of pore-containing asphalt construction and asphalt road surfaces |
FR1581696A (en) * | 1968-07-17 | 1969-09-19 | ||
EP0182937A1 (en) * | 1984-11-30 | 1986-06-04 | Deutsche Asphalt GmbH | Method of making an asphalt coating composition by using an asphalt concrete recycling material, and asphalt coating composition produced according to the method |
EP0381903A1 (en) * | 1989-02-10 | 1990-08-16 | BEUGNET, Société dite | Coated materials comprising coarse aggregate and bituminous binder for the construction of layers of roadway coverings and porous roadway covering obtained from such coated materials especially adapted for drainage through surface and noise abatement |
Also Published As
Publication number | Publication date |
---|---|
EP0886700A1 (en) | 1998-12-30 |
ATE231204T1 (en) | 2003-02-15 |
DE59709152D1 (en) | 2003-02-20 |
AU2505197A (en) | 1997-10-17 |
DE19611566A1 (en) | 1997-09-25 |
EP0886700B1 (en) | 2003-01-15 |
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