DE2248603A1 - Bituminous road surfacing compsn. - contg. mineral mixt. of stone chips, stone dust and sand admixed with bitumen - ethylene copolymer mixt. - Google Patents

Bituminous road surfacing compsn. - contg. mineral mixt. of stone chips, stone dust and sand admixed with bitumen - ethylene copolymer mixt.

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Publication number
DE2248603A1
DE2248603A1 DE19722248603 DE2248603A DE2248603A1 DE 2248603 A1 DE2248603 A1 DE 2248603A1 DE 19722248603 DE19722248603 DE 19722248603 DE 2248603 A DE2248603 A DE 2248603A DE 2248603 A1 DE2248603 A1 DE 2248603A1
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Germany
Prior art keywords
bitumen
weight
mixt
din
mixture
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
Application number
DE19722248603
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German (de)
Other versions
DE2248603C2 (en
Inventor
Rolf Hartung
Fritz Mueller
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.)
FRITZ MUELLER KG
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FRITZ MUELLER KG
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Publication date
Application filed by FRITZ MUELLER KG filed Critical FRITZ MUELLER KG
Priority to DE19722248603 priority Critical patent/DE2248603C2/en
Publication of DE2248603A1 publication Critical patent/DE2248603A1/en
Application granted granted Critical
Publication of DE2248603C2 publication Critical patent/DE2248603C2/en
Expired 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
    • 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
    • E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
    • E01C7/265—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre with rubber or synthetic resin, e.g. with rubber aggregate, with synthetic resin binder
    • 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

Abstract

Bituminous road surface, having increased resistance to spiked tyres and high resistance to deformation, contains a mineral mixt. consisting of 60-80 wt. % stone chips of 5/12 mm commercial graining, 10-15 wt. % stone dust having 80% grains 0.09 mm, balance round- and/or broken sand, admixed with 5.5-7 wt. % plastic- bitumen mixt., pref. contg. 92.5 wt. % distn. bitumen of B 80 penetration and 7.5 wt. %. ethylene copolymer with bitumen additives, and having a DIN 1995 ring and ball softening point 65 degrees C, 55 penetration at 25 degrees C and a -10 degrees C breaking point.

Description

Bituminöser Strassenbelag Die Erfahrungen haben ergeben, dass die bituminösen Strassen-Verschleißschichten durch viele Faktoren, im wesentlichen aber durch die Einwirkung von Spike-Reifen, zerstört werden. Die Spikes zerschlagen Splittkörner und Mörtel, wobei die Korngrössen bis 5 mm am wesentlichsten beansprucht werden. Weiterhin werden durch Reifen-Schlupf und durch die Horizontalkräfte beim Beschleunigen, Bremsen sowie bei der Kurvenfahrt der Mörtel zwischen den Splittkörnern zerstört und das Splittgerüst an der Oberfläche freigelegt. Anschliessend wird das Feinkorn bis ca. 5 mm Durchmesser herausgerissen und die Zerstörung beschleunigt.Bituminous road surface Experience has shown that the bituminous road wear layers due to many factors, but essentially by the action of studded tires. The spikes smash grains of stone and mortar, with the grain sizes up to 5 mm being the most stressed. Furthermore, due to tire slip and the horizontal forces when accelerating, Braking and when cornering the mortar between the grit is destroyed and the gravel structure is exposed on the surface. Then the fine grain Torn out up to approx. 5 mm in diameter and accelerated the destruction.

Vorliegender Erfindung liegt die Aufgabe zugrunde, diesen Nachteil durch eine Strassenbelagsmischung zu überwinden, welche keinem so grossen Verschleiss durch Spike-Reifen unterworfen ist wie die bisher widerstandsfähigsten Asphaltdecken einschliesslich Gußasphalt. Überraschenderweise wurde gefunden, dass diese Aufgabe durch folgendes Gemisch von Hartsteinsplitt, Sand und Gesteinsmehl in Verbindung mit einem Kunststoff-Bitumengemisch gelöst wird: 60 - 80 Gew.% Splitt der Handelskörnungen 5/12 mm 8 - 15 Gew.% Gesteinsmehl mit 80% Korn unter 0,09 mm Rest Gew.% Rund und/oder Brechsand, dem 5,5 bis 7,5 Gew.-Teile eines Kunststoff-Bitumengemisches zugesetzt sind.The present invention is based on this disadvantage to be overcome by a road surface mix that does not wear out so much is subject to spiked tires like the most resistant asphalt pavements to date including mastic asphalt. Surprisingly, it was found that this task by the following mixture of hard stone chippings, sand and rock powder in connection is dissolved with a plastic-bitumen mixture: 60-80% by weight grit of the commercial grains 5/12 mm 8 - 15% by weight rock powder with 80% grain below 0.09 mm, the remainder% by weight round and / or Crushed sand to which 5.5 to 7.5 parts by weight of a plastic-bitumen mixture are added are.

Für die Zwecke der Erfindung bevorzugt ist ein Mischgut, dessen Mineralgemisch folgenden Siebdurchgang aufweist: Durchgang durch Sieb 8 mm (DIN 4187) 90 - 100 Gew.% " " " " 5 mm " " 25 - 40 II II 11 " 2 mm (DIN 4188) 20 - 30 " " " " " 0,63 mm " " 12 - 22 " " " " " 0,2 mm " " 10 - 18 " " " " " 0,09 mm " " 10 - 15 " Diesem Mineralgemisch werden Je nach Hohlraumgehalt 6,0 bis 7,0 Gew.-Teile (entsprechend 5,7 bis 6,6 Gew.%) eines Bitumen-Kunststoff-Gemisches zugesetzt.For the purposes of the invention, preference is given to a mixed material, its mineral mixture has the following sieve passage: Passage through 8 mm sieve (DIN 4187) 90 - 100% by weight "" "" 5 mm "" 25 - 40 II II 11 "2 mm (DIN 4188) 20 - 30 "" "" "0.63 mm" "12 - 22" "" "" 0.2 mm "" 10 - 18 "" "" "" 0.09 mm "" 10 - 15 "This mineral mixture contains 6.0 to 7.0 parts by weight, depending on the void content (corresponding to 5.7 to 6.6% by weight) of a bitumen-plastic mixture was added.

Weiter wird ein Mischgut bevorzugt, dessen Mineralgemisch folgenden Siebdurchgang aufweist: Durchgang durch Sieb 12 mm (DIN 4187) 90 - 100 Gew.% " " " " 8 mm " " 50 - 60 " % " " " " It " 5 mm " " 35 - 45 " " " " 2 mm (DIN 4188) 32 - 42 " " " " " 0,63 mm " " 18 - 28 " % " " " " 0,2 mm " " 8 - 18 " % lt lt " lt 0t09 mm " " 7 - 12 " Diesem Mineralgemisch werden Je nach Hohlraumgehalt 5,5 bis 6,5 Gew.-Teile (entsprechend 5,2 bis 6,1 Gew.%) eines Bitumen-Kunststoff-Gemisches zugesetzt.Furthermore, a mixture is preferred whose mineral mixture is as follows Sieve passage has: passage through sieve 12 mm (DIN 4187) 90 - 100% by weight "" "" 8 mm "" 50 - 60 "%" "" "It" 5 mm "" 35 - 45 "" "" 2 mm (DIN 4188) 32 - 42 "" "" "0.63 mm" "18 - 28"% "" "" 0.2 mm "" 8 - 18 "% lt lt" lt 0t09 mm "" 7 - 12 "Depending on the void content, this mineral mixture is 5.5 to 6.5 parts by weight (corresponding to 5.2 to 6.1% by weight) of a bitumen-plastic mixture added.

Als Bitumen-Kunststoff-Mischung wird folgende Zusammensetzung bevorzugt: 92,5 Gew.-% Destillationsbitumen der Penetration B 80 und 7,5 Gew.-% Äthylencopolymerisat mit Bitumenzusätzen.The following composition is preferred as the bitumen-plastic mixture: 92.5% by weight of distilled bitumen with penetration B 80 and 7.5% by weight of ethylene copolymer with bitumen additives.

Diese Mischung weist zweckmässigerweise einen Erweichungspunkt R + K nach DIN 1995 um 65°C, eine Pe@@tration bei 25°C von etwa 55 und einen Brechpunkt n. Fraass unter -10°C auf.This mixture expediently has a softening point R + K according to DIN 1995 around 65 ° C, a penetration at 25 ° C of around 55 and a breaking point n. Fraass below -10 ° C.

Da das erfindungsgemässe Strassenbelagsmischgut einen weniger hohen Aufwand als Gußasphalt zur Herstellung der Strassenverschleiss-Schicht erforderlich macht, ist er wirtschaftlicher als Gußasphaltbeläge. Since the road pavement mix according to the invention has a less high Expenditure as mastic asphalt to produce the road wear layer required it is more economical than mastic asphalt surfaces.

Die überraschende Verschleissfestigkeit eines erfindungsgemässen Strassenbelages ergibt sich aus folgenden Vergleichsversuchen: I. Die Ermittlung des Gesamthöhenverlustes (Abrieb) ergab folgende Werte: Abrieb (mm) 1 2 3 erfindungsgemässer Strassenbelag 0/8mm 5,45 2;95 Hot Rolled Belag 6,25 4,80 3,125 Gussasphalt 0/12 mm (Berliner Asphalt) 8,70 5,55 3,400 Asphaltfeinbeton 0/12 12,00 7,70 5,685 Asphaltfeinbeton 0/8 12,65 9,55 6,625 II.Die Eindruckfestigkeit des erfindungsgemässen Belages liegt bei Prüfungen nach DIN 1996 mit 0,5 mm Stempeleindruck ungewöhnlich günstig. The surprising wear resistance of an inventive Road pavement results from the following comparative tests: I. The determination the total loss of height (abrasion) gave the following values: Abrasion (mm) 1 2 3 according to the invention Road surface 0 / 8mm 5.45 2; 95 Hot Rolled surface 6.25 4.80 3.125 Mastic asphalt 0/12 mm (Berlin asphalt) 8.70 5.55 3.400 Fine asphalt concrete 0/12 12.00 7.70 5.685 Fine asphalt concrete 0/8 12.65 9.55 6.625 II. The indentation resistance of the covering according to the invention is unusually favorable for tests according to DIN 1996 with a 0.5 mm stamp impression.

III.Die Widerstandsfähigkeit des erfindungsgemässen Belages gegen Verformung ist ebenfalls äusserst gross; Labortoriumsversuche mit einem erfindungsgemässen Belag 0/8 mm ergaben folgende Werte: Stabilität bei 600c 570 kp Fliesswert bei 600C 34/10 mm 2 Eindrucktiefe bei 40°C 52,5 kp mit 5 cm2St=0,5mm Eine im Spätsommer in einer Breite von 3,00 m auf bitumierter Tragschicht ohneBinderlage verlegte Versuchsstrecke zeigte auch bei einer täglichen Belastung bis zu mehr als 3.500 to keine Verformung.III. The resistance of the coating according to the invention to Deformation is also extremely large; Laboratory experiments with an inventive Coating 0/8 mm resulted in the following values: Stability at 600C 570 kp flow value at 600C 34/10 mm 2 indentation depth at 40 ° C 52.5 kp with 5 cm2St = 0.5mm One in late summer in 3.00 m wide on a bituminous base course without a binder layer showed no deformation even with a daily load of up to more than 3,500 tons.

PATENTANSPRüCHE PATENT CLAIMS

Claims (4)

PATENTANSPRÜCHE 1. Bituminöser Strassenbelag bestehend aus Hartsteinsplitt, Sand, Gesteinsmehl und einem Kunststoff-Bitumen-Bindemittel, g e k e n n z e i c h n e t d u r c h ein aus 60 - 80 Gew.% Splitt der Handelskörnungen 5/12 mm, 10 - 15 Gew.% Gesteinsmehl mit 80% Korn unter 0,09 mm, Rest Rund- und/oder Brechsand bestehendes Mineralgemisch, dem 5,5 bis 7,0 Gew.% eines Kunststoff-Bitumen-Gemisches zugesetzt sind.PATENT CLAIMS 1. Bituminous road surface consisting of hard stone chippings, Sand, rock flour and a plastic bitumen binder, g e k e n n z e i c h n e t d u r c h one from 60 - 80% by weight chippings of commercial grain size 5/12 mm, 10 - 15% by weight rock powder with 80% grain under 0.09 mm, the rest round and / or crushed sand existing mineral mixture, the 5.5 to 7.0 wt.% of a plastic-bitumen mixture are added. 2. Strassenbelag nach Anspruch 1, g e k e n n z e i c h n e t d u r c h ein Mineralgemisch mit folgendem Sieb durchgang Durchgang durch Sieb 8 mm (DIN 4187) 90 - 100 Gew.% II " " II II 5 mm " " 25 - 40 " II " " II 2 mm (DIN 4188) 20 - 30 " " " " " 0,63 mm " " 12 - 22 " 11 " " " " II 0,2 mm " " 10 - 18 " " " " " 0,09 mm " " 10 - 15 " %, dem Je nach Hohlraumgehalt 6,0 bis 7,0 Gew.-Teile (entsprechend 5,7 bis 6,6 Gew.%) eines Bitumen-Kunststoff-Gemisches zugesetzt sind.2. Road surface according to claim 1, g e k e n n z e i c h n e t d u r c h a mineral mixture with the following sieve passage passage through a sieve 8 mm (DIN 4187) 90 - 100% by weight II "" II II 5 mm "" 25 - 40 "II" "II 2 mm (DIN 4188) 20 - 30 "" "" "0.63 mm" "12 - 22" 11 "" "" II 0.2 mm "" 10 - 18 "" "" "0.09 mm" "10 - 15"%, depending on the void content 6.0 to 7.0 parts by weight (corresponding to 5.7 to 6.6% by weight) of a bitumen-plastic mixture are added. 3. Strassenbelag nach Anspruch 1, g e k e n n z e i c h n e t d u r c h ein Mineralgemisch mit folgendem Siebdurchgang: Durchgang durch Sieb 12 mm (DIN 4187) 90 -100 Gew.% " " " " 8 mm ( " " 50 - 60 " % " " " " 5 mm " " 35 - 45 " % " " " " 2 mm (DIN 4188) 32 - 42 " % " " " " 0,63 mm " " 18 - 28 " % " " " " 0,2 mm " " 8 -18 " % " " " " 0,09 mm " " 7 - 12 " %, dem Je nach Hohlraumgehalt 5,5 bis 6,5 Gew.-Teile (entsprechend 5,2 bis 6,1 Gew.%) % ) eines Bitumen-Kunststoff-Gemisches zugesetzt sind.3. Road surface according to claim 1, g e k e n n z e i c h n e t d u r c h a mineral mixture with the following sieve passage: passage through sieve 12 mm (DIN 4187) 90-100% by weight "" "" 8 mm ("" 50-60 "%" "" "5 mm" "35-45 "%" "" "2 mm (DIN 4188) 32 - 42"% "" "" 0.63 mm "" 18 - 28 "%" "" " 0.2 mm "" 8 -18 "%" "" "" 0.09 mm "" 7 - 12 "%, depending on the void content 5.5 to 6.5 parts by weight (corresponding to 5.2 to 6.1% by weight) of a bitumen-plastic mixture are added. 4. Strassenbelag nach den Ansprüchen 1 - 3, g e k e n n z e ichn e t d u r c: h eine Bitumen-Kunststoff-Mischung der Zusammensetzung 92,5 Gew.%- Destillationsbitumen der Penetration B 80 und 7,5 Gew.% Äthylencopolymerisat mit Bitumenzusätzen, die einen Erweichungspunkt R + K nach DIN 1995 um 650C, eine Penetration bei 250C von etwa 55 und einen Brechpunkt n.Fraass unter -100C hat.4. Road surface according to claims 1-3, g e k e n n z e in e t d u r c: h a bitumen-plastic mixture with a composition of 92.5% by weight - distilled bitumen the penetration B 80 and 7.5 wt.% Ethylene copolymer with bitumen additives that a softening point R + K according to DIN 1995 around 650C, a penetration at 250C of about 55 and a Fraass breaking point below -100C.
DE19722248603 1972-10-04 1972-10-04 Bituminous road surface Expired DE2248603C2 (en)

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DE19722248603 DE2248603C2 (en) 1972-10-04 1972-10-04 Bituminous road surface

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059766A1 (en) * 1981-03-05 1982-09-15 Deutsche Asphalt GmbH Asphalt-based coating composition for assembling heated floors, and floor structure made with this coating composition
FR2614048A1 (en) * 1987-04-16 1988-10-21 Lefebvre Jean Ets ROADWORK SEALING COMPLEX AND METHOD OF ROOFING ROOFING OF ART WORK APRON
EP0605377A2 (en) * 1992-11-12 1994-07-06 Fina Research S.A. Composition for bituminous draining mixes
EP1792945A1 (en) * 2005-12-05 2007-06-06 Carl Ungewitter Trinidad Lake Asphalt GmbH & Co. KG Binding agent mixture containing bitumen and method for its manufacture
FR2941461A1 (en) * 2009-01-29 2010-07-30 Colas Sa OBTAINING ENROBE AND BITUMEN CONCRETE WITH A HIGH MODULE (EME AND BBME)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059766A1 (en) * 1981-03-05 1982-09-15 Deutsche Asphalt GmbH Asphalt-based coating composition for assembling heated floors, and floor structure made with this coating composition
FR2614048A1 (en) * 1987-04-16 1988-10-21 Lefebvre Jean Ets ROADWORK SEALING COMPLEX AND METHOD OF ROOFING ROOFING OF ART WORK APRON
EP0344384A1 (en) * 1987-04-16 1989-12-06 Entreprise Jean Lefebvre Waterproof bridgedeck and process for waterproofing a bridgedeck
EP0605377A2 (en) * 1992-11-12 1994-07-06 Fina Research S.A. Composition for bituminous draining mixes
BE1006339A3 (en) * 1992-11-12 1994-07-26 Fina Research COMPOSITION porous asphalt.
EP0605377A3 (en) * 1992-11-12 1994-07-27 Fina Research Composition for bituminous draining mixes.
EP1792945A1 (en) * 2005-12-05 2007-06-06 Carl Ungewitter Trinidad Lake Asphalt GmbH & Co. KG Binding agent mixture containing bitumen and method for its manufacture
DE102005058017B4 (en) 2005-12-05 2018-07-26 Lucobit Ag Bituminous binder mixture and process for its preparation
FR2941461A1 (en) * 2009-01-29 2010-07-30 Colas Sa OBTAINING ENROBE AND BITUMEN CONCRETE WITH A HIGH MODULE (EME AND BBME)
WO2010086561A1 (en) * 2009-01-29 2010-08-05 Colas Production of high modulus coated material and bituminous concrete (eme and bbme)

Also Published As

Publication number Publication date
DE2248603C2 (en) 1982-06-24

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