FR2785306A1 - Bituminous concrete or asphalt surfaces, especially pavements, platforms, roads, car parks and flat roofs, are hot embedded with a mineral to provide high back reflection - Google Patents
Bituminous concrete or asphalt surfaces, especially pavements, platforms, roads, car parks and flat roofs, are hot embedded with a mineral to provide high back reflection Download PDFInfo
- Publication number
- FR2785306A1 FR2785306A1 FR9813559A FR9813559A FR2785306A1 FR 2785306 A1 FR2785306 A1 FR 2785306A1 FR 9813559 A FR9813559 A FR 9813559A FR 9813559 A FR9813559 A FR 9813559A FR 2785306 A1 FR2785306 A1 FR 2785306A1
- Authority
- FR
- France
- Prior art keywords
- mineral
- bituminous concrete
- back reflection
- asphalt
- sep
- 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.)
- Withdrawn
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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
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
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- 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
- E01C7/085—Aggregate or filler materials therefor; Coloured reflecting or luminescent additives therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
Description
La présente invention concerne un procédé de traitement de surface pour des sols en béton bitumineux coulé permettant d'améliorer la visibilité de ces sols. La présente invention est particulièrement destinée à l'aménagement urbain et routier et au domaine de l'étanchéité. The present invention relates to a surface treatment method for poured bituminous concrete floors to improve the visibility of these soils. The present invention is particularly intended for urban and road development and the field of sealing.
Les bétons bitumineux coulés, également appelés asphalte, sont utilisés depuis longtemps dans le domaine de l'aménagement urbain pour la réalisation de trottoirs, de quais de gare ou de métro, de couches de roulement de chaussée, etc... L'asphalte est également utilisé dans le domaine de l'étanchéité pour la réalisation de toiture terrasses ou pour la réalisation de parkings. Poured bituminous concretes, also known as asphalt, have been used for a long time in the field of urban planning for the construction of sidewalks, station or subway platforms, pavement courses, etc. Asphalt is also used in the field of waterproofing for the realization of roof terraces or for the realization of car parks.
Les bétons bitumineux coules, ou asphaltes, sont utilisés de manière importante ce qui a conduit à rechercher des traitements de surface pour conférer à ces sols des qualités esthétiques. Il est connu de grenailler le sol en béton bitumineux coulé, de le poncer, de faire des engravures, etc. II est également connu de le peindre pour lui conférer des qualités rétroréflechissantes. Cependant, soit les traitements de surface, comme par exemple une peinture, ont une bonne rétroréflexion mais une durabilité faible au regard de celle du support, soit les traitements de surface ont une bonne durabilité mais avec une rétroréflexion nulle (inférieure à 5 lorsqu'elle est mesurée selon la Norme NF P 98 606). Bituminous cast concrete, or asphalt, is used extensively, which has led to the search for surface treatments to give these soils aesthetic qualities. It is known to shot the ground bituminous concrete poured, to sand, to make engravings, etc. It is also known to paint it to give it retroreflective qualities. However, either the surface treatments, such as a paint, have a good retroreflection but a low durability compared to that of the support, the surface treatments have good durability but with zero retroreflection (less than 5 when is measured according to NF P 98 606).
La présente invention a pour but de remédier à ces inconvénients en proposant un traitement de surface rétroréfléchissant et de grande durabilité, adapté à tous les revtements en bétons bitumineux coulés. The present invention aims to overcome these disadvantages by providing a retroreflective surface treatment and high durability, suitable for all poured bituminous concrete coatings.
La présente invention associe un minéral choisi pour ses qualités de réflexion de la lumière et ses capacités de résistance à l'abrasion à un revtement en béton bitumineux coulé ou asphalte. Les minéraux sélectionnés ont une dureté selon l'échelle MOHS comprise entre 6 et 9 et de préférence entre 7 et 8. Us présentent un coefficient de rétroréflexion dont la mesure est faite sur le revtement fini à l'aide d'un réflectomètre conformément à la norme P 98-606. La mise en oeuvre de ce minéral se fait par incrustation à chaud dans le béton bitumineux ou asphalte lorsque celui ci est encore dans sa phase plastique. La quantité nécessaire au m2 dépend du matériau proposé. The present invention combines a mineral selected for its light-reflecting qualities and abrasion-resistance capabilities with a poured asphalt concrete or asphalt coating. The selected minerals have a hardness on the MOHS scale of between 6 and 9 and preferably between 7 and 8. They have a retroreflective coefficient which is measured on the finished coating with a reflectometer in accordance with the P 98-606 standard. The implementation of this mineral is by hot incrustation in asphalt concrete or asphalt when it is still in its plastic phase. The quantity required per m2 depends on the material proposed.
Conformément à l'invention, le minéral sélectionné a une dureté mesurée selon l'échelle MOHS comprise entre 6 et 9 et de préférence entre 7 et 8 ce qui conduit à une résistance accrue du revtement en béton bitumineux coulé ou asphalte. According to the invention, the selected mineral has a hardness measured according to the MOHS scale of between 6 and 9 and preferably between 7 and 8, which leads to an increased resistance of the poured bituminous concrete or asphalt coating.
Conformément à l'invention, le minéral sélectionné à une granulométrie adaptée comprise entre 0 et 6 millimètres et de préférence entre 0,6 et 6 millimètres. Ce fuseau granulométrique permet de garder une micro rugosité de surface sans altérer les capacités de rétro réflexion du revtement. According to the invention, the selected mineral has a suitable particle size of between 0 and 6 millimeters and preferably between 0.6 and 6 millimeters. This particle size zone makes it possible to keep a micro surface roughness without altering the retro-reflective properties of the coating.
Conformément à l'invention le minéral utilisé est appliqué par incrustation à chaud dans le béton bitumineux coulé ou asphalte et permet d'obtenir une rétroréflexion supérieure à 20 lorsqu'elle est mesurée selon la Norme NF P 98 606. In accordance with the invention, the mineral used is applied by hot incrustation in poured bituminous concrete or asphalt and makes it possible to obtain a retroreflection greater than 20 when measured according to Standard NF P 98 606.
A titre d'exemple non limitatif, on donne ici la composition d'un sol en béton bitumineux ou asphalte présentant une forte rétroréflexion suivant l'invention. Le béton bitumineux coulé ou asphalte est de type gravillonné c'est à dire composé de :
By way of nonlimiting example, here gives the composition of a bituminous concrete or asphalt floor having a high retroreflection according to the invention. Poured bituminous concrete or asphalt is of gravelled type that is composed of:
-bitume <SEP> 8à <SEP> 10% <SEP>
<tb> -filler <SEP> 30å35% <SEP>
<tb> -sable <SEP> 0/4 <SEP> 30 <SEP> à <SEP> 35 <SEP> % <SEP> pourcentages <SEP> exprimes <SEP> en <SEP> poids
<tb> -gravillon <SEP> 2/4 <SEP> 30 <SEP> à <SEP> 35 <SEP> %
<tb>
Le béton bitumineux ou asphalte ainsi fabrique est recouvert par incrustation à chaud d'un minerai présentant une granulometrie convenable selon l'invention et répandu sur le sol en phase plastique à raison d'environ 3 Kg/m2. La valeur de la retroreftexion ainsi obtenue mesurée selon la norme NF P 98606 est de 20 sur l'échantillon selon l'invention. A titre de comparaison, la rétroreîlexion sur l'échantillon
sans traitement est inférieure à 4.-bitume <SEP> 8to <SEP> 10% <SEP>
<tb> -filler <SEP> 30å35% <SEP>
<tb> -sable <SEP> 0/4 <SEP> 30 <SEP> to <SEP> 35 <SEP>% <SEP> percentages <SEP> expressed <SEP> in <SEP> weight
<tb> -gravillon <SEP> 2/4 <SEP> 30 <SEP> to <SEP> 35 <SEP>%
<Tb>
The bituminous concrete or asphalt thus produced is covered by hot incrustation of an ore having a suitable particle size according to the invention and spread on the ground in the plastic phase at a rate of about 3 kg / m 2. The value of the retroreftexion thus obtained, measured according to standard NF P 98606, is 20 on the sample according to the invention. By way of comparison, the retroreflection on the sample
without treatment is less than 4.
Il est bien entendu que la présente invention n'a été décrite que à titre explicatif mais nullement
limitatif et qu'on pourra y apporter toute modification utile, notamment dans le domaine des équivalences
techniques sans sortir du cadre de l'invention. It is understood that the present invention has been described only for explanatory purposes but in no way
limiting and that any useful modification may be made, particularly in the field of equivalences
without departing from the scope of the invention.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813559A FR2785306A1 (en) | 1998-10-28 | 1998-10-28 | Bituminous concrete or asphalt surfaces, especially pavements, platforms, roads, car parks and flat roofs, are hot embedded with a mineral to provide high back reflection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9813559A FR2785306A1 (en) | 1998-10-28 | 1998-10-28 | Bituminous concrete or asphalt surfaces, especially pavements, platforms, roads, car parks and flat roofs, are hot embedded with a mineral to provide high back reflection |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2785306A1 true FR2785306A1 (en) | 2000-05-05 |
Family
ID=9532120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9813559A Withdrawn FR2785306A1 (en) | 1998-10-28 | 1998-10-28 | Bituminous concrete or asphalt surfaces, especially pavements, platforms, roads, car parks and flat roofs, are hot embedded with a mineral to provide high back reflection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2785306A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2879226A1 (en) * | 2004-12-15 | 2006-06-16 | Appia | Reflective coating material, useful in roads for people and/or vehicles in traffic areas, comprises a binder, in which a solid reflective mineral fragment having the light relexion properties are dispersed |
CN100427682C (en) * | 2006-01-04 | 2008-10-22 | 四川安县银河建化集团有限公司 | Use of detoxinic chromium slag as paving material |
US7648755B2 (en) | 2003-10-07 | 2010-01-19 | 3M Innovative Properties Company | Non-white construction surface |
-
1998
- 1998-10-28 FR FR9813559A patent/FR2785306A1/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7648755B2 (en) | 2003-10-07 | 2010-01-19 | 3M Innovative Properties Company | Non-white construction surface |
US7919170B2 (en) | 2003-10-07 | 2011-04-05 | 3M Innovative Properties Company | Non-white construction surface |
FR2879226A1 (en) * | 2004-12-15 | 2006-06-16 | Appia | Reflective coating material, useful in roads for people and/or vehicles in traffic areas, comprises a binder, in which a solid reflective mineral fragment having the light relexion properties are dispersed |
CN100427682C (en) * | 2006-01-04 | 2008-10-22 | 四川安县银河建化集团有限公司 | Use of detoxinic chromium slag as paving material |
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