EP2556193B1 - High performance bituminous coated material for roadway surfaces and roadway surface - Google Patents

High performance bituminous coated material for roadway surfaces and roadway surface Download PDF

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EP2556193B1
EP2556193B1 EP11715585.3A EP11715585A EP2556193B1 EP 2556193 B1 EP2556193 B1 EP 2556193B1 EP 11715585 A EP11715585 A EP 11715585A EP 2556193 B1 EP2556193 B1 EP 2556193B1
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particle size
coated material
size fraction
fraction
binder
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EP2556193A1 (de
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Serge Krafft
François Olard
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Eiffage Travaux Publics SAS
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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
    • E01C7/18—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 materials for the construction of road pavements or industrial platforms, and relates in particular to the hydrocarbon mixes used to manufacture such pavements and also relates to pavements obtained with these hydrocarbon mixes.
  • the subject of the invention is a hydrocarbon-based coating intended in particular for the manufacture of the base layers of roadways or industrial platforms, or else layers interposed between the ballast and the railways support platform.
  • This base layer must combine, on the one hand, very good mechanical characteristics and in particular an important modulus of rigidity to be able to withstand high loads and on the other hand a good resistance to fatigue to avoid the creation and propagation of cracks. and thus confer a good durability there said seat layer; such a hydrocarbon mix described in EP 0 760 386 A is obtained from a set of aggregates and a binder, for example bituminous.
  • the hydrocarbon mixes of the known type contain a significant amount of binder which leads to a high cost of obtaining.
  • the time required for the implementation of the base layer must be reduced as much as possible in order to reduce the time required for the repair of roadways to reduce the inconvenience caused by road repairs.
  • the subject of the invention is a hydrocarbon coating for a seat layer or a road or motorway pavement binding layer, or for industrial, port or airport platforms, or for a railway track support layer,
  • the invention relates to a roadway comprising at least one seat or binding layer comprising a hydrocarbon mix as defined above.
  • the roadway, and in particular the base layer 5 must have sufficient mechanical characteristics to prevent the formation of ruts and cracks and thus ensure satisfactory durability of the roadway.
  • An objective of the seat layer is therefore to have a very high modulus of rigidity and a very good resistance to fatigue, these two characteristics tend to be antinomic.
  • the Applicant has developed a particularly advantageous hydrocarbon-based coating 1 concerning stiffness and fatigue strength, while having a very attractive cost and also excellent recyclability, intended in particular to obtain the layers of seat 5, but which can however also be used for the tie layer 55 of the surface layer 53.
  • the aggregates that make up the set of aggregates 2 are solid fragments made from new materials or recycled materials. New aggregates are either natural from gravel pits or quarries, or artificial from foundry slag for example.
  • Recycled aggregates come from, for example, milling asphalt courses, crushing asphalt slabs, waste or asphalt slabs and surplus asphalt production.
  • the proportion of aggregates recycled in aggregate assembly 2 may vary from 0% to 100% according to the invention depending on the availability of such recycling granules.
  • recycling granules can be covered with hydrocarbon binder previously used in the previous implementation which has been milled for recycling.
  • the aggregates respond for example, and without limitation to the European standards EN 13043, EN 12620, EN 13108-8.
  • the set of aggregates 2 comprises a distribution of aggregates of different sizes, usually referred to as “granular structure” or “granular skeleton", the set of aggregates 2 comprising at least three granular fractions (d / D) 11, 12,13, each granular fraction being defined by a lower caliber (d) and a higher caliber (D).
  • a first granular fraction d1 / D1 (11) comprises small granules whose size is between d1 and D1, d1 may or may not be equal to 0. If d1 is not equal to 0, then another granular fraction 10 0 and d1 is present and may contain what is commonly known as 'filler' and 'ultrafine'.
  • the first granular fraction d1 / D1 (11) has a first median dm1, defined as being the value for which 50% of the weight of aggregates of this granular fraction are smaller than dm1.
  • This first granular fraction usually contains a large amount of sands, whose grains have dimensions less than 2 mm.
  • a second granular fraction d2 / D2 (12), called the 'upper granular fraction', comprises aggregates whose size is between d2 and D2 and has a second median dm2, defined as the value for which 50% of the weight of aggregates. of this granular fraction are smaller than dm2.
  • D2 serves as the upper limit of the aggregates sizes, the portion of aggregates exceeding the caliber D2 being very low in the sense of EN13043 and EN 933-1 standards.
  • a third granular fraction d3 / D3 (13), said fraction missing or almost missing, comprises few aggregates, said aggregates having a dimension between d3 and D3.
  • the ratio between the first median dm1 and the second median dm2 should be less than 0.33 and even more preferably less than 0.25.
  • the relative width of the third granular fraction (D3-d3) / D2 should be greater than 20%, preferably greater than 30%, and even more preferably greater than 40%.
  • the second granular fraction represents a proportion of 40% to 60% by weight of all aggregates 2
  • the first granular fraction represents a proportion of 35% to 45% by weight of all aggregates 2, the rest being occupied by the ultrafine particles and fillers, and by the minute quantity which presents in the third granular fraction.
  • the third granular fraction (missing fraction) represents a weight ratio (P3) relative to the weight of all the aggregates 2, this ratio (P3) being less than 15% of the weight of all aggregates 2.
  • this weight ratio can be related to the relative width of the missing granular fraction by the following formula: P ⁇ 3 D ⁇ 3 - d ⁇ 3 / D ⁇ 2 ⁇ 0 , 4
  • the residual weight in the missing fraction is more advantageous and is such that: P ⁇ 3 D ⁇ 3 - d ⁇ 3 / D ⁇ 2 ⁇ 0 , 25
  • the technical effect of this clever distribution leads to maximize the possibilities of mutual contact between the aggregates of the upper granular fraction, as illustrated on the Figures 2 and 3 .
  • the granules 20 of the upper granular fraction 12 may be in contact with aggregates 20 of the same size, because the aggregates of the intermediate size (missing fraction) are not or only slightly present.
  • the small granules 21, belonging to the first granular fraction 11 are housed in the gaps 4 between the coarse aggregates 20, without preventing the latter from coming into contact with each other.
  • a hydrocarbon-based coating having a modulus of rigidity greater than 9000 MPa or even greater than 11000 MPa is obtained, and even more preferred greater than 14000 MPa.
  • the modulus of rigidity measurements mentioned here are generally made at a temperature of 15 ° C. and at a frequency of 10 Hz.
  • stiffness modulus reference may be made to standard NF EN12697-26.
  • the stiffness modulus values can also be determined from AASHTO TP 62-03 at 70 ° F and 10Hz.
  • the granular backbone described above can be obtained by successive and selective screening processes well known in the art and not described in detail here.
  • Table 1 The table given in the Appendix (Table 1) at the end of the present description gives four examples of granular skeletons (named 'HP1' to 'HP4') according to the first embodiment of the invention, compared to two control mixes (fifth and sixth columns).
  • Table 1 it can be seen that for the examples shown, the relative weight of the third granular fraction (passing between the sieves of 4 and 10) varies between 12% and 15%, compared with 26-30% of the control mixes, which is consistent with the relationship defined by 'Equ. 1 'and' Equ. 3 'above.
  • the hydrocarbon binder 3 comprises a component main, preferably a bitumen but it can also be a mixture of long hydrocarbons equivalent synthetic or derived from plant material.
  • the binder may also be a mixture of pitch and resin as described in the applications FR07 / 02927 and PCT / FR2008 / 000556 of the plaintiff.
  • the hydrocarbon binder 3, also called “total hydrocarbon binder” can be composed of a new hydrocarbon binder fraction and a recycled hydrocarbon binder fraction, which covers the recycled aggregates.
  • Table 6 presented in the appendix gives the main characteristics of the binders used in the illustrated examples of the invention.
  • a certain amount of new hydrocarbon binder thus prepared is mixed on a manufacturing station with the granular skeleton defined above, to obtain, taking into account the binder fraction already present in the recycled aggregates, an amount of at most 5 , 25% of the weight of all the aggregates 2.
  • a hydrocarbon coating is thus obtained containing at least 95% by weight of aggregates and at most 5% by weight of hydrocarbon binder 3, and even more preferably 4.5% by weight of hydrocarbon binder 3, as indicated in particular by the examples detailed in Table 1.
  • the amount of hydrocarbon binder 3 can also be characterized by the notion of richness module K explained below.
  • the hydrocarbon coating 1 is firstly spread on its support (form layer or foundation layer or possibly basecoat), then compacting the hydrocarbon mix with roller or wheel rollers as is known in the art.
  • the hydrocarbon-based binder 3 coats the entire surface of the large-gauge aggregates 20 (cf. Figure 2 ).
  • the presence and the good distribution of the hydrocarbon binder 3 confers a good resistance to hydrocarbon coating fatigue thus obtained.
  • the fatigue resistance of the hydrocarbon coating, once compacted is greater than 90 microdeformations, or even 110 micro-deformations, or even 130 micro-deformations, and this without resorting to the hydrocarbon binder at the same time. addition of fibers.
  • the fatigue resistance measurements mentioned here are generally carried out at a temperature of 10 ° C. and at a frequency of 25 Hz. For methods of measuring fatigue strength, reference may be made to standard EN12697-24 for two-point bending test on trapezoidal specimens.
  • the AASHTO T321 standard for 'four-point' bending tests on prismatic specimens is an alternative at 68 ° F and 10 Hz, but the fatigue resistance threshold values are then 250 microdeformations, or even 500 microdeformations, or even 750 microdeformations.
  • the temperature of the hydrocarbon mix 3 according to the invention decreases faster than in the case of conventional asphalt with a higher binder content, all the more so since the conductivity of the bitumen (approximately 0.163 W / m / ° C) is lower than that of the aggregates (approximately 0.9 to 2.2 W / m / °) VS).
  • the seat layer 5 (or possibly the connecting layer 55) cools faster and is more likely to receive the wearing course 53. Therefore, the time required for the implementation of the roadway can be reduced and its accelerated return to service. This avoids the problems of cohesion and lift insufficient at young age asphalt mixes of the prior art, especially those manufactured and used at so-called hot temperature, warm or semi-warm.
  • the ratio between the first median dm1 and the second median dm2 is 2mm / 12mm, or 0.166.
  • Table 3 given in the Appendix (Table 3) at the end of the present description gives an example of a granular skeleton ('HP5') according to the second embodiment of the invention, compared with a control mix (second column). .
  • the granular skeleton is defined by the presence of two missing fractions.
  • Said fifth granular fraction constitutes a second granular discontinuity, which has in the examples illustrated 10 to 12% of the total weight of the mix.
  • the width of said fifth granular fraction is greater than 20% of the upper size D4 (here 20%), and the fifth granular fraction (15) has a relative weight (P5) of the weight of the set of aggregates (2) such as: P ⁇ 5 D ⁇ 5 - d ⁇ 5 / D ⁇ 4 ⁇ 0 , 6
  • Table 4 given in the Appendix at the end of the present description gives an example of two granular skeletons (named 'HP6' and 'HP7') according to the third embodiment of the invention, compared to a control mix (third column). .
  • composition of the hydrocarbon mix is thus optimal for the manufacture and implementation of the base layer.
  • the invention is not limited to a particular geological nature of aggregates.
  • the aggregates are predominantly diorite, in the second embodiment, the aggregates are predominantly basalt and in the third embodiment, the aggregates are predominantly hard limestone.
  • Examples of high performance mixes (“EHP") according to the first embodiment of the invention Covered Standard Cookies HP Skeleton 1 HP skeleton 2 HP skeleton 3 HP4 skeleton Skeleton Witness 1 Class 2 Skeleton Witness 2 EME class 2 Recycled aggregates rate (%) 0 10 0 25 0 0 Sieve (%) Screen (mm) 16 100 100 100 99 100 100 100 14 96 96 96 91 97 98 12.5 86 87 86 76 91 93 10 54 56 53 53 70 75 8 44 46 43 47 59 64 6.3 43 45 43 45 53 56 4 40 41 40 41 44 45 3.15 38 39 38 38 41 41 2 33 33 33 31 36 34
  • binders' BM ', BO', 'BOM', BOM2 ', BE' are in Table 6.
  • binders 'BP', 'BM' are in Table 6.
  • Binder 'BP', 'BM', BO ', BE' are in Table 6.
  • the binder 'BP' is the binder used in the reference mixes of the prior art Binder 'BO' 'oxidized' bitumen 35/50 multigrade binder from the BP Lavéra refinery 37 hot Binder 'BM' bitumen 'modified' 35/50 binder from the BP Lavéra refinery + 2.5% crosslinked SBS polymer 36 hot Binder 'BOM' 'oxidized' and 'modified' bitumen 35/50 multigrade binder from the BP Lavou refinery + 2.5% crosslinked SBS polymer 30 hot Binder 'BOM2
  • this penetrability characterizes the bitumen before treatment.

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  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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Claims (15)

  1. Bituminöses Mischgut (1) für die Grundschicht (5) oder Binderschicht einer Fahrbahn oder Autobahn oder für industrielle Plattformen, Hafen- oder Flughafenplattformen oder für die Schienenträgerschicht,
    - wobei das bituminöse Mischgut (1) aus einer Gesamtheit von Granulaten (2), welche mit mindestens einem bituminösen Bindemittel (3) beschichtet sind, besteht,
    - wobei die Gesamtheit der Granulate (2) mehr als 95% des Gewichts des bituminösen Mischguts (1), und höchstens 5% des bituminösen Bindemittels (3) beträgt,
    - wobei die Gesamtheit der Granulate (2) eine Kornstruktur umfasst, welche mehrere Granulatfraktionen d/D umfasst, wobei jede Granulatfraktion durch eine Untergröße (d) und eine Übergröße (D) definiert wird,
    - wobei die Gesamtheit der Granulate (2) eine erste Granulatfraktion d1/D1 (11) umfasst, welche als Medianwert einen ersten Medianwert dm1 aufweist, eine zweite Granulatfraktion d2/D2 (12) umfasst, welche als Medianwert einen zweiten Medianwert dm2 aufweist,
    - wobei die Gesamtheit der Granulate eine dritte Granulatfraktion d3/D3 (13) umfasst, welche zwischen den ersten und zweiten Granulatfraktionen liegt, welche als Untergröße d3 die Übergröße D1 der ersten Granulatfraktion und als Übergröße D3 die Untergröße d2 der zweiten Granulatfraktion aufweist,
    - wobei die dritte Granulatfraktion (13) ein Gewichtsverhältnis (P3) basierend auf dem Gewicht der Gesamtheit der Granulate (2) aufweist,
    - wobei die Breite der dritten Granulatfraktion D3-d3 ist, welche eine relative Breite (D3-d3)/D2 im Bezug auf die Übergröße (D2) der zweiten Granulatfraktion definiert, wobei die relative Breite größer als 20% von D2 ist,
    - wobei das Verhältnis zwischen dem Gewichtsverhältnis (P3) der dritten Granulatfraktion (13) bezogen auf seine relative Breite geringer als 0,4 ist, und zwar: P ⁢ 3 D ⁢ 3 - d ⁢ 3 / D ⁢ 2 ≤ 0 , 4
    Figure imgb0019
    wobei die Anzahl der Kontakte zwischen den Granulaten der zweiten Granulatfraktion d2/D2 (12) maximiert wird,
    - wobei das bituminöse Mischgut (1) nach dem Verdichten einen Hohlraumgehalt von weniger als 10%, sogar weniger als 8%, vorzugsweise sogar weniger als 6%, umfasst,
    - wobei das bituminöse Bindemittel (3) ein bituminöses Bindemittel ist, welches durch Aufnahme von Polymeren und/oder Öl modifiziert, und/oder durch Blasverfahren behandelt, und/oder durch Schäumen oder Emulgieren behandelt wird,
    wobei das Steifheitsmodul des bituminösen Mischguts (1), wenn verdichtet, größer als 9000 MPa bei einer Temperatur von 15 °C und einer Frequenz von 10 Hz ist, und die Ermüdungsfestigkeit des bituminösen Mischguts, wenn verdichtet, größer als 90 Mikrodeformationen bei einer Temperatur von 10 °C und einer Frequenz von 25 Hz ist.
  2. Bituminöses Mischgut (1) nach Anspruch 1, wobei das Verhältnis zwischen dem ersten Medianwert dm1 und dem zweiten Medianwert dm2 weniger als 0,33, und noch mehr bevorzugt weniger als 0,25 liegt.
  3. Bituminöses Mischgut (1) nach Anspruch 1, wobei die Breite der dritten Granulatfraktion D3-d3 größer als 30% der D2-d1, und noch mehr bevorzugt größer als 40% ist.
  4. Bituminöses Mischgut (1) nach Anspruch 1, wobei das Verhältnis zwischen dem Gewichtsverhältnis (P3) der dritten Granulatfraktion (13) bezogen auf seine relative Breite weniger als 0,25 ist, und zwar: P ⁢ 3 D ⁢ 3 - d ⁢ 3 / D ⁢ 2 ≤ 0 , 25
    Figure imgb0020
  5. Bituminöses Mischgut (1) nach Anspruch 4, wobei das Verhältnis zwischen dem Gewichtsverhältnis (P3) der dritten Granulatfraktion (13) bezogen auf seine relative Breite größer als 0,10 ist, und zwar: P ⁢ 3 D ⁢ 3 - d ⁢ 3 / D ⁢ 2 ≥ 0 , 10
    Figure imgb0021
  6. Bituminöses Mischgut (1) nach Anspruch 1, wobei das bituminöse Bindemittel (3) eine Nadelpenetration, welche bei 25 °C gemäß der Norm EN 1426 gemessen wird, größer als 30 Zehntel mm ist.
  7. Bituminöses Mischgut nach Anspruch 1, wobei die Ermüdungsfestigkeit des bituminösen Mischguts, wenn verdichtet, welche bei einer Temperatur von 10 °C und einer Frequenz von 25 Hz gemäß der Norm NF EN12697-24 gemessen wird, größer als 110 Mikrodeformationen und vorzugsweise größer als 130 Mikrodeformationen ist.
  8. Bituminöses Mischgut nach Anspruch 1, wobei das Steifigkeitsmodul des bituminösen Mischguts, wenn verdichtet, welches bei einer Temperatur von 15 °C und einer Frequenz von 10 Hz gemäß der Norm NF EN12697-26 gemessen wird, größer als 11000 MPa, und vorzugsweise größer als 14000 MPa ist.
  9. Bituminöses Mischgut nach Anspruch 1, wobei das bituminöse Bindemittel (3) frei von Fasern ist.
  10. Bituminöses Mischgut (1) nach Anspruch 1, welches ferner eine vierte Granulatfraktion d4/D4 (14) und eine fünfte Granulatfraktion d5/D5 (15) umfasst, welche zwischen der zweiten und vierten Granulatfraktionen liegt, welche als Untergröße d5 die Übergröße D2 der zweiten Granulatfraktion aufweist, und als Übergröße D5 die Untergröße d4 der vierten Granulatfraktion aufweist, wobei die Breite der fünften Granulatfraktion größer als 20% der Übergröße D4 ist, wobei die fünfte Granulatfraktion (15) ein relatives Gewicht (P5) des Gewichts der Gesamtheit der Granulate (2) aufweist, und zwar: P ⁢ 5 D ⁢ 5 - d ⁢ 5 / D ⁢ 4 ≤ 0 , 6
    Figure imgb0022
  11. Bituminöses Mischgut nach Anspruch 1, wobei der Gewichtsanteil des bituminösen Bindemittels (3) in dem bituminösen Mischgut (1) höchstens gleich 4,5% ist.
  12. Fahrbahn umfassend mindestens eine Grundschicht oder Binderschicht umfassend ein bituminöses Mischgut (1) nach einem der vorhergehenden Ansprüche.
  13. Herstellungsverfahren eines bituminösen Mischguts (1) für die Grundschicht (5) oder Binderschicht einer Fahrbahn oder Autobahn oder für industrielle Plattformen, Hafen- oder Flughafenplattformen oder für die Schienenträgerschicht,
    wobei das bituminöse Mischgut (1) aus einer Gesamtheit von Granulaten (2) besteht, welche mit mindestens einem bituminösen Bindemittel (3) beschichtet sind, wobei die Gesamtheit der Granulate (2) eine Kornstruktur umfasst, welche mehrere Granulatfraktionen d/D umfasst, wobei jede Granulatfraktion durch eine Untergröße (d) und eine Übergröße (D) definiert wird,
    wobei das Verfahren die folgenden Schritte in beliebiger Reihenfolge umfasst:
    a- Bereitstellen von Granulaten einer ersten Granulatfraktion d1/ D1 (11),
    b- Bereitstellen von Granulaten einer zweiten Granulatfraktion d2/ D2 (12),
    wobei die ersten und zweiten Granulatfraktionen (11,12) durch eine dritte Granulatfraktion d3/D3 (13) getrennt werden, welche als Untergröße d3 die Übergröße D1 der ersten Granulatfraktion und
    als Übergröße D3 die Untergröße d2 der zweiten Granulatfraktion aufweisen, wobei die dritte Granulatfraktion (13) ein Gewichtsverhältnis (P3) bezogen auf das Gewicht der Gesamtheit der Granulate (2) aufweist, wobei die Breite der dritten Granulatfraktion D3-d3 ist, welche die relative Breite (D3-d3)/D2 im Bezug auf die Übergröße (D2) der zweiten Granulatfraktion,
    definiert wird, wobei die relative Breite größer als 20% von D2 ist, wobei das Verhältnis zwischen dem Gewichtsverhältnis (P3) der dritten Granulatfraktion (13) bezogen auf seine relative Breite weniger als 0,4 ist, und zwar: P ⁢ 3 D ⁢ 3 - d ⁢ 3 / D ⁢ 2 ≤ 0 , 4
    Figure imgb0023
    c- Hinzufügen eines neuen bituminösen Bindemittels bis zum Erhalten eines bituminösen Gesamtbindemittels, dessen Gewicht weniger als 5% des Gewichts des Mischguts (1) ist, wobei das bituminöse Bindemittel (3) durch Aufnahme von Polymeren und/oder Öl modifiziert, und/oder durch Blasverfahren behandelt, und/oder durch Schäumen oder Emulgieren behandelt wird,
    d- Zusammenmischen.
  14. Herstellungsverfahren nach Anspruch 13, wobei die ersten und zweiten Granulatfraktionen (11,12) einen Anteil an recycelten Granulaten umfassen, und wobei das bituminöse Gesamtbindemittel eine Fraktion des neuen bituminösen Bindemittels und eine Fraktion des bituminösen Bindemittels, welches aus recycelten Granulaten stammt, umfasst.
  15. Herstellungsverfahren nach Anspruch 14, das ferner die folgenden Schritte umfasst:
    e- Ausbreiten des bituminösen Mischguts (1) auf einer Oberfläche
    f- Verdichten des bituminösen Mischguts (1),
    wobei das bituminöse Mischgut (1) einen Hohlraumgehalt von weniger als 10%, sogar weniger als 8%, vorzugsweise sogar weniger als 6%, umfasst, wobei das Steifheitsmodul des bituminösen Mischguts (1) größer als 9000 MPa bei einer Temperatur von 15 °C und einer Frequenz von 10 Hz ist, und die Ermüdungsfestigkeit des bituminösen Mischguts größer als 90 Mikrodeformationen bei einer Temperatur von 10 °C und einer Frequenz von 25 Hz ist.
EP11715585.3A 2010-04-06 2011-03-22 High performance bituminous coated material for roadway surfaces and roadway surface Active EP2556193B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1052595A FR2958302B1 (fr) 2010-04-06 2010-04-06 Enrobe hydrocarbone a hautes performances pour chaussee et chaussee de roulement
PCT/FR2011/050585 WO2011124799A1 (fr) 2010-04-06 2011-03-22 Enrobe hydrocarbone a hautes performances pour chaussee et chaussee de roulement

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EP2556193B1 true EP2556193B1 (de) 2014-10-22

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EP (1) EP2556193B1 (de)
AU (1) AU2011236730B2 (de)
ES (1) ES2528116T3 (de)
FR (1) FR2958302B1 (de)
NZ (1) NZ602804A (de)
WO (1) WO2011124799A1 (de)
ZA (1) ZA201207408B (de)

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FR2998896B1 (fr) * 2012-12-05 2015-01-16 Eiffage Travaux Publics Composition bitumeuse sous forme de granules et son procede de preparation

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FR702927A (fr) 1930-09-01 1931-04-21 Bekk & Kaulen Chem Fab Gmbh Frocédé pour la production photochimique et le traitement de modèles à copier pour la typographie
FR2643094B1 (fr) * 1989-02-10 1991-06-07 Beugnet Sa Enrobe a base de granulat de gros calibre et de liant hydrocarbone pour la construction des assises de chaussees, ainsi que chaussee poreuse notamment chaussee drainante et anti-bruit obtenue a partir d'un tel enrobe
US5290833A (en) * 1992-07-01 1994-03-01 Carsonite International Corporation Aggregate of asphalt and filler
FR2738008B1 (fr) * 1995-08-25 1997-11-07 Total Raffinage Distribution Utilisation d'un liant bitumineux tres dur dans la preparation d'un enrobe bitumineux, destine notamment aux assises de chaussees

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FR2958302A1 (fr) 2011-10-07
ES2528116T3 (es) 2015-02-04
EP2556193A1 (de) 2013-02-13
US20130022737A1 (en) 2013-01-24
NZ602804A (en) 2013-10-25
ZA201207408B (en) 2013-11-27
US8915995B2 (en) 2014-12-23
AU2011236730B2 (en) 2016-11-24
WO2011124799A1 (fr) 2011-10-13
AU2011236730A1 (en) 2012-10-25

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