EP0730693A1 - Verfahren zum herstellen eines zweischichtigen asphaltbelages - Google Patents
Verfahren zum herstellen eines zweischichtigen asphaltbelagesInfo
- Publication number
- EP0730693A1 EP0730693A1 EP95902030A EP95902030A EP0730693A1 EP 0730693 A1 EP0730693 A1 EP 0730693A1 EP 95902030 A EP95902030 A EP 95902030A EP 95902030 A EP95902030 A EP 95902030A EP 0730693 A1 EP0730693 A1 EP 0730693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- asphalt
- binder
- layers
- layer
- producing
- 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
Links
- 239000010426 asphalt Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 56
- 238000005056 compaction Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 5
- 239000011384 asphalt concrete Substances 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000013521 mastic Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
Definitions
- the invention relates to a method for producing a two-layer asphalt surface with which the properties of the asphalt layers are optimized.
- asphalt pavements are produced from several layers using different types of mix.
- the mix is installed in layers or - if the same mix types are processed - in layers one above the other.
- bitumen emulsions are sprayed onto the cold surface.
- Asphalt pavements are used on roads and other traffic areas.
- the overall strength of the structure and that of the individual layers depends primarily on the loads that occur.
- the asphalt pavements consist of a top, binder and base course. Different requirements are imposed on the individual layers.
- the main requirements for the top layer are:
- binder layers must primarily be stable.
- the asphalt base layer serves for the harmless absorption and dissipation of the occurring tensions in the areas below. They must also be assembled in a stable manner.
- Binder and base layers are protected by the cover layer and therefore have no sealing functions.
- cover layers are installed with a thickness of 4 cm.
- the nominal thicknesses of the binder and asphalt base courses vary depending on the construction class in accordance with applicable building regulations, such as RStO 86/89. / Arand and others: Investigation of the effectiveness of high-performance compaction screeds by field measurements on current ones Construction sites, road and highways, Bonn 41 (1990) No. 5 pp. 215 - 219.
- the cover and partly also the binder up to the base layers are involved in the damage due to deformation.
- the causes lie mainly in the material composition and the compression.
- top layers represent a particular problem, especially since the multitude of tasks require very different conceptual decisions.
- the single-layer asphalt paving customary in the prior art in which the next layer is installed on a cold or already largely cooled base, causes constraints and quality defects, particularly in the case of the relatively thin cover and binder layers.
- it is known to produce two-layer asphalt coverings by heating the existing, usually defective asphalt, and distributing it on the construction site or mixing it with other asphalt components. Due to the relatively low thermal conductivity of the asphalt, the bitumen is subjected to very different temperatures when it is heated.
- the quality of the components distributed or mixed on the road is subject to greater fluctuations compared to the asphalt produced by the mixing process on an asphalt plant, since the ratio of old and new components is less accurate and the compositions often have different compositions .
- the invention is based on the object of specifying a method for producing a two-layer asphalt covering from two ready-to-deliver mix types, with which the total paving thickness is increased considerably and the layer thickness ratio, the composition and thus properties are optimized.
- the optimization relates in particular to the degree of compression without increasing the compression energy.
- this object is achieved in that the upper layers of the asphalt pavement are installed in one step in hot paving and the layer thickness ratio is changed among one another.
- This relates to the simultaneous installation of asphalt binder plus top layer and, in the case of less frequented roads, asphalt base plus top layer and the combination of asphalt base layer and asphalt binder.
- the direct hot-on-hot laying ensures an optimal bond between the layers.
- the deformation behavior associated with lateral deflection (sliding) is thus improved.
- the simultaneous installation in two layers allows the asphalt formulations to be changed to more stable and mixtures, since the level of compaction in both layers of the asphalt is increased considerably and the void content can thus be reduced at the same time.
- a high storage density can only be achieved with sufficient installation thicknesses. In general, this requires a ratio of layer thickness to large grain of approx. 3: 1 in the traditional construction. This results e.g. the paving thickness of 4 cm for asphalt concrete 0/11 mm.
- FIG. 1 shows the dependence of the compression time on the layer thickness
- Figure 2 shows the influence of the temperature of the mixed material on the density (RG) or the degree of compaction (VD).
- 10 cm asphalt base course Type CS 0/32 mm and 4 cm asphalt binder 0/16 mm are installed at the same time.
- the compaction time is considerably extended and the level of compaction levels is increased on both layers. This leads to a significant increase in the resistance to deformation on both layers and there are no substance losses on the asphalt binder, as can often be found hot to cold in the installation customary in the prior art.
- the stone mastic 0/11 mm can be compacted much more effectively than 4 cm on a cold surface.
- the entire ceiling becomes considerably more stable while maintaining the other functions of the top layer.
- the asphalt binder has a higher storage density and is therefore more resistant to deformation.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Working-Up Tar And Pitch (AREA)
- Revetment (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4340421 | 1993-11-27 | ||
DE4340421 | 1993-11-27 | ||
DE4342999A DE4342999A1 (de) | 1993-11-27 | 1993-12-16 | Verfahren zum Herstellen eines zweischichtigen Asphaltbelages |
DE4342999 | 1993-12-16 | ||
PCT/DE1994/001404 WO1995014819A2 (de) | 1993-11-27 | 1994-11-23 | Vefahren zum herstellen eines zweischichtigen asphaltbelages |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0730693A1 true EP0730693A1 (de) | 1996-09-11 |
EP0730693B1 EP0730693B1 (de) | 1998-03-25 |
Family
ID=25931572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95902030A Revoked EP0730693B1 (de) | 1993-11-27 | 1994-11-23 | Verfahren zum herstellen eines zweischichtigen asphaltbelages |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0730693B1 (de) |
JP (1) | JPH09505369A (de) |
CN (1) | CN1052280C (de) |
AT (1) | ATE164408T1 (de) |
DK (1) | DK0730693T3 (de) |
ES (1) | ES2117386T3 (de) |
PL (1) | PL176324B1 (de) |
WO (1) | WO1995014819A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8021076B2 (en) | 2006-08-31 | 2011-09-20 | hkc Ilackmann + Kollath Ingenieur-Consult GmbH | Runway for aircraft and roadway for vehicles and method of renewing a runway or roadway |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104480824A (zh) * | 2014-12-12 | 2015-04-01 | 西安盛祥公路工程有限公司 | 一种沥青路面及其一次成型方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU464167B2 (en) * | 1972-05-25 | 1975-08-21 | Gunnar Ohlson Karl | A method for the production of plant-mixed asphalt concrete |
FR2271337A2 (en) * | 1973-12-14 | 1975-12-12 | Beugnet Nle Entreprises | Rutting-resistant anti-skid road-surfacing - consisting of asphalt-concrete layer with abrasion resistant splinters forced into it |
NO752349L (de) * | 1974-07-16 | 1976-01-19 | Huiles Gourdons Et Derives Sa |
-
1994
- 1994-11-23 EP EP95902030A patent/EP0730693B1/de not_active Revoked
- 1994-11-23 PL PL94314612A patent/PL176324B1/pl unknown
- 1994-11-23 WO PCT/DE1994/001404 patent/WO1995014819A2/de not_active Application Discontinuation
- 1994-11-23 ES ES95902030T patent/ES2117386T3/es not_active Expired - Lifetime
- 1994-11-23 DK DK95902030T patent/DK0730693T3/da active
- 1994-11-23 JP JP7514753A patent/JPH09505369A/ja active Pending
- 1994-11-23 CN CN94194616.9A patent/CN1052280C/zh not_active Expired - Lifetime
- 1994-11-23 AT AT95902030T patent/ATE164408T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9514819A3 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8021076B2 (en) | 2006-08-31 | 2011-09-20 | hkc Ilackmann + Kollath Ingenieur-Consult GmbH | Runway for aircraft and roadway for vehicles and method of renewing a runway or roadway |
Also Published As
Publication number | Publication date |
---|---|
ATE164408T1 (de) | 1998-04-15 |
CN1139469A (zh) | 1997-01-01 |
CN1052280C (zh) | 2000-05-10 |
PL176324B1 (pl) | 1999-05-31 |
ES2117386T3 (es) | 1998-08-01 |
PL314612A1 (en) | 1996-09-16 |
WO1995014819A3 (de) | 2001-12-20 |
WO1995014819A2 (de) | 1995-06-01 |
JPH09505369A (ja) | 1997-05-27 |
DK0730693T3 (da) | 1999-01-25 |
EP0730693B1 (de) | 1998-03-25 |
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