DE202010012187U1 - Mastic asphalt "Roadcover" - Google Patents
Mastic asphalt "Roadcover" Download PDFInfo
- Publication number
- DE202010012187U1 DE202010012187U1 DE202010012187U DE202010012187U DE202010012187U1 DE 202010012187 U1 DE202010012187 U1 DE 202010012187U1 DE 202010012187 U DE202010012187 U DE 202010012187U DE 202010012187 U DE202010012187 U DE 202010012187U DE 202010012187 U1 DE202010012187 U1 DE 202010012187U1
- Authority
- DE
- Germany
- Prior art keywords
- roadcover
- mastic asphalt
- coarse
- rocks
- asphalt
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
Gussasphalt Roadcover aus grobkörnigem Material und eines polymermodifizierten Bindemittels dadurch gekennzeichnet, dass die Misch- und Verarbeitungstemperaturen deutlich abgesenkt werden und der Anteil grober Gesteine beispielsweise um 20% erhöht wird.Gussasphalt Roadcover made of coarse-grained material and a polymer-modified binder, characterized in that the mixing and processing temperatures are significantly reduced and the proportion of coarse rocks, for example, increased by 20%.
Description
Gussasphalt ist ein Asphalt, der einen hohen Anteil an Bitumen und Gesteinskörnern < 0,063 mm hat. Er besteht aus groben und feinen Gesteinskörnungen.mastic asphalt is an asphalt that has a high content of bitumen and aggregate <0.063 mm. He consists of coarse and fine aggregates.
Bindemittelgehalt und Korngrößenverteilung werden so dosiert, dass die Hohlräume vollständig mit Bitumen ausgefüllt werden. Dadurch lässt er sich flüssig verarbeiten, so dass ein Verdichten, beispielsweise durch Walzen wie bei anderen Asphalten, nicht erforderlich ist.binder content and particle size distribution are dosed so that the cavities are completely filled with bitumen become. This allows him to handle liquid, so that a compaction, for example by rolling as with others Asphaltene, not required.
Durch
die deutsche Patentschrift
Der Erfindung liegt die Aufgabe zugrunde, eine kostengünstigere Deckschicht zu entwickeln bei gleichzeitiger Beibehaltung bzw. Verbesserung der mechanischen Eigenschaften.Of the Invention is based on the object, a cost-effective Develop cover layer while maintaining or improving the mechanical properties.
Diese Aufgabe wird mit den in den Schutzansprüchen aufgeführten Merkmalen gelöst.These Task is with the listed in the protection claims Characteristics solved.
Im Gegensatz zum bisher verwendeten Gussasphalt wird bei Roadcover die Zusammensetzung der Gesteinskörnung so verändert, dass der Anteil grober Gesteine um ca. 20% erhöht wird. Diese Gesteine liegen nach dem Einbau im oberen Bereich frei und geben der Oberfläche die erforderliche Rauheit. Ein nachträgliches Abstumpfen zur Erhöhung der Rauheit entfällt somit. Gleichzeitig entstehen durch die Veränderung der Gesteinszusammensetzung im oberen Bereich der Schicht Hohlräume, welche sich in der Anwendung bei Straßenoberflächen bis zu 5 dB(A) lärmmindernd auswirken.in the Contrary to the previously used mastic asphalt is Roadcover the composition of the aggregate changed so that the proportion of coarse rocks is increased by about 20%. These rocks are free after installation in the upper area and give the surface the required roughness. An afterthought Dulling to increase the roughness is thus eliminated. At the same time, it is caused by the change in the rock composition in the upper part of the layer cavities, which are in application on road surfaces up to 5 dB (A) to reduce noise.
Um eine höhere Standfestigkeit zu erreichen, sowie die Herstellungs- und Einbautemperaturen zu senken, wird viskositätsverändertes Bindemittel verwendet.Around higher stability, and the manufacturing and lowering installation temperatures becomes viscous Binder used.
Gegenüber
herkömmlichen Gussasphalt ergeben sich bei Roadcover folgende
Vorteile:
Die Temperatur in der Roadcover-Mischanlage beträgt
nur 190–200°C gegenüber 200–230°C
bei Gussasphalt.Compared to conventional mastic asphalt Roadcover offers the following advantages:
The temperature in the roadcover mixing plant is only 190-200 ° C compared to 200-230 ° C in mastic asphalt.
Die Temperatur beim Roadcover-Einbau liegt bei nur 180–190°C gegenüber 200–230°C bei Gussasphalt.The Temperature during roadcover installation is only 180-190 ° C compared with 200-230 ° C in mastic asphalt.
Durch den Einsatz eines neuen polymermodifizierten Bitumens, das eine höhere Klebkraft hat, wird der Anteil groben Gesteins von 50% auf ca. 70% erhöht. Das gröbere Gestein ragt aus der Oberfläche heraus und sorgt für den nötigen ,Grip'.By the use of a new polymer modified bitumen containing a has higher bond strength, the proportion of coarse rock is from 50% increased to approx. 70%. The coarser rocks stick out out of the surface and provides the necessary , Grip '.
Die Hohlräume in der oberen Schicht bewirken eine Geräuschminderung um mindestens 4 dB(A).The Cavities in the upper layer cause a noise reduction by at least 4 dB (A).
Das teure Absplitten der Oberfläche entfällt bei gleich bleibender Griffigkeit und gleichzeitig höherer Standfestigkeit gegenüber herkömmlichen Gussasphalt.The expensive splitting of the surface is eliminated at the same time permanent grip and higher stability at the same time compared to conventional mastic asphalt.
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19538774 C1 [0003] - DE 19538774 C1 [0003]
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202010012187U DE202010012187U1 (en) | 2010-09-03 | 2010-09-03 | Mastic asphalt "Roadcover" |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202010012187U DE202010012187U1 (en) | 2010-09-03 | 2010-09-03 | Mastic asphalt "Roadcover" |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202010012187U1 true DE202010012187U1 (en) | 2010-11-18 |
Family
ID=43123369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE202010012187U Expired - Lifetime DE202010012187U1 (en) | 2010-09-03 | 2010-09-03 | Mastic asphalt "Roadcover" |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE202010012187U1 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538774C1 (en) | 1995-10-18 | 1996-11-21 | Strabag Strasen Und Tiefbau Ag | Melted asphalt contg. coarse grained material, fillers and bitumen |
-
2010
- 2010-09-03 DE DE202010012187U patent/DE202010012187U1/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19538774C1 (en) | 1995-10-18 | 1996-11-21 | Strabag Strasen Und Tiefbau Ag | Melted asphalt contg. coarse grained material, fillers and bitumen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 20101223 |
|
| R150 | Term of protection extended to 6 years | ||
| R150 | Term of protection extended to 6 years |
Effective date: 20130823 |
|
| R151 | Term of protection extended to 8 years | ||
| R152 | Term of protection extended to 10 years |