EP1469127A1 - Procédé et dispositif de mise en oeuvre à chaud d'un enrobé bitumineux - Google Patents
Procédé et dispositif de mise en oeuvre à chaud d'un enrobé bitumineux Download PDFInfo
- Publication number
- EP1469127A1 EP1469127A1 EP04290978A EP04290978A EP1469127A1 EP 1469127 A1 EP1469127 A1 EP 1469127A1 EP 04290978 A EP04290978 A EP 04290978A EP 04290978 A EP04290978 A EP 04290978A EP 1469127 A1 EP1469127 A1 EP 1469127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- surfactant
- bituminous mix
- mix
- bituminous
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000010426 asphalt Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000004094 surface-active agent Substances 0.000 claims description 20
- 238000003892 spreading Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 31
- 238000009826 distribution Methods 0.000 description 5
- 239000002671 adjuvant Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- WECIKJKLCDCIMY-UHFFFAOYSA-N 2-chloro-n-(2-cyanoethyl)acetamide Chemical compound ClCC(=O)NCCC#N WECIKJKLCDCIMY-UHFFFAOYSA-N 0.000 description 1
- 210000004534 cecum Anatomy 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
Definitions
- the present invention relates to methods and devices for hot bituminous mixes.
- the invention relates to a hot implementation process (i.e. at a temperature higher than ambient temperatures commonly encountered in temperate countries) bituminous comprising aggregates coated in bitumen, this process comprising a step of spreading during which said asphalt is spread on a surface of reception, for example a road or the like.
- a hot-mix bituminous mix includes always a mineral skeleton coated with hot bitumen. We try to maintain its temperature until the end of its implementation which generally occurs in both hours after its manufacture and transport on the place of implementation.
- This implementation consists of spread the mixture on the surface to be coated in one layer of defined thickness, regular and homogeneous for example for constitute a road surface (wearing course or seat) or similar work.
- the hot mix is generally implemented using an asphalt paver which provides all the required mechanical functions that it is completed in the final phase by passing over the layer freshly spread of compactors that provide densification of the mixture.
- the object of the invention is in particular to improve the workability of the bituminous mix to facilitate its installation implemented, in particular in the aforementioned cases of implementation used at low temperature (but not exclusively in these cases).
- a method of the kind in question is characterized in that it further comprises, immediately preceding the spreading step, a step addition of water during which water is mixed added with surfactant with the bituminous mix.
- the invention also relates to a device for implementing the method as defined above, this device comprising means for mixing receiving bituminous mix and provided with minus a water supply supplied with water added with surfactant, and a mix spreader receiving the mix from the mixing means and suitable for spread the bituminous mix.
- the device is provided with metering means for metering the added water surfactant.
- Figure 1 is a diagram of principle illustrating an embodiment of a device for implementing the method according to the invention.
- the purpose of the process according to the invention is to allow easy installation of a bituminous mix comprising aggregates coated with bitumen, in particular relatively low temperature.
- the water supply device 5 can include for example a reserve 5a of water added with surfactants, a water inlet 5b such as one or several spray bars or the like, and a pump variable flow 5c dosing machine which supplies the water supply 5b from the reserve 5a.
- the surfactant can be mixed with water to a molar concentration of 0.1 to 1.5%, for example approximately 0.3%.
- Water with surfactant can be added to bituminous mix in a mass ratio of water to the asphalt mix between 0.5 and 5%, this mass ratio being controlled by the dosing pump 5c which can be subject for example to the speed of the paver 1 and / or the amount of mix used.
- Mixing in the mixer or other mixing can be relatively quick, for example between 10 seconds and 2 minutes.
- This mixing can possibly be carried out by a worm of conveyor constituting both the conveyor and the mixer.
- Said mixing could also be carried out by a transverse distribution screw similar to the screw distribution 8 above.
- This mixture could also be performed not in finisher 1, but possibly in a device (not shown) which supplies asphalt paver 1 with asphalt.
- this mixing is carried out immediately before spreading operations, i.e. immediately before passing through the distribution screw 8 and under the smoothing beam 9 (i.e. a few seconds at less than 10 minutes before these operations, for example), and advantageously at the place of implementation.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Working-Up Tar And Pitch (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Coating By Spraying Or Casting (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
- l'eau additionnée de tensioactif présente une concentration molaire en tensioactif comprise entre 0,1% et 1,5% ;
- au cours de l'étape d'addition d'eau, l'eau additionnée de tensioactif est ajoutée à l'enrobé bitumineux dans une proportion de 1% à 5% en masse par rapport à la masse d'enrobé bitumineux ;
- l'eau additionnée de tensioactif est mélangée à l'enrobé bitumineux par malaxage ;
- le bitume de l'enrobé bitumineux est dans un état fluide non mousseux lors des étapes d'addition d'eau et d'épandage ;
- l'enrobé bitumineux est à une température comprise entre 60 et 100 °C lors des étapes d'addition d'eau et d'épandage ;
- l'enrobé bitumineux est à une température comprise entre 100 et 130 °C, préférentiellement de l'ordre de 110 °C lors des étapes d'addition d'eau et d'épandage.
- une trémie 2 de réception d'enrobé bitumineux chaud, par exemple à une température comprise entre 60 et 140 °C, par exemple entre 60 et 100 °C ou entre 100 et 130 °C, et préférentiellement de l'ordre de 110°C, cet enrobé pouvant être par exemple non mousseux,
- un convoyeur 3 tel qu'un tapis transporteur qui transfère généralement l'enrobé bitumineux de la trémie de réception 2 vers l'arrière, c'est-à-dire dans la direction opposée à la direction d'avancement A du finisseur 1,
- un malaxeur 4 ou autre dispositif de mélangeage qui reçoit l'enrobé bitumineux du convoyeur 3 et qui est doté d'un dispositif 5 d'alimentation en eau additionnée d'adjuvants, ces adjuvants comprenant au moins un tensioactif, le malaxeur étant adapté pour mélanger l'enrobé bitumineux avec l'eau additionnée de tensioactif et d'éventuels autres adjuvants,
- un ensemble moteur 7 pour animer les parties mobiles du finisseur 1,
- et des moyens d'épandage d'enrobé comprenant :
- une ou plusieurs vis de répartition 8 permettant de répartir transversalement, sur toute la largeur d'épandage, l'enrobé 6 qui est déversé sur une surface de réception 10 en sortie du malaxeur ou autre dispositif de mélangeage 4,
- une table flottante constituée d'une poutre lisseuse 9 équipée de vibreurs et/ou de dameurs, soit rigide, soit munie de parties extensibles permettant de faire varier la largeur d'épandage tout en maintenant l'état de surface et l'épaisseur de la couche répandue 11.
Claims (9)
- Procédé de mise en oeuvre à chaud d'un enrobé bitumineux comprenant des granulats enrobés dans du bitume, ce procédé comprenant une étape d'épandage au cours de laquelle on épand ledit enrobé sur une surface de réception,
caractérisé en ce qu'il comporte en outre, précédant immédiatement l'étape d'épandage, une étape d'addition d'eau au cours de laquelle on mélange de l'eau additionnée de tensioactif avec l'enrobé bitumineux. - Procédé selon la revendication 1, dans lequel l'eau additionnée de tensioactif présente une concentration molaire en tensioactif comprise entre 0,1% et 1,5%.
- Procédé selon la revendication 1 ou la revendication 2, dans lequel au cours de l'étape d'addition d'eau, l'eau additionnée de tensioactif est ajoutée à l'enrobé bitumineux dans une proportion de 1% à 5% en masse par rapport à la masse d'enrobé bitumineux.
- Procédé selon l'une quelconque des revendications précédentes, dans lequel l'eau additionnée de tensioactif est mélangée à l'enrobé bitumineux par malaxage.
- Procédé selon l'une quelconque des revendications précédentes, dans lequel le bitume de l'enrobé bitumineux est dans un état fluide non mousseux lors des étapes d'addition d'eau et d'épandage.
- Procédé selon l'une quelconque des revendications précédentes, dans lequel l'enrobé bitumineux est à une température comprise entre 60 et 100 °C lors des étapes d'addition d'eau et d'épandage.
- Procédé selon l'une quelconque des revendications 1 à 5, dans lequel l'enrobé bitumineux est à une température comprise entre 100 et 130 °C, préférentiellement de l'ordre de 110 °C lors des étapes d'addition d'eau et d'épandage.
- Dispositif pour la mise en oeuvre d'un procédé selon l'une quelconque des revendications précédentes, ce dispositif comprenant des moyens de mélangeage (4) recevant de l'enrobé bitumineux et dotés d'au moins une arrivée d'eau (5b) alimentée en eau additionnée de tensioactif, et un dispositif d'étalement d'enrobé (8, 9) recevant l'enrobé depuis les moyens de mélangeage (4) et adapté pour épandre l'enrobé bitumineux.
- Dispositif selon la revendication 8, comprenant le dispositif des moyens de dosage (5c) pour doser l'eau additionnée de tensioactif.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0304875A FR2853918B1 (fr) | 2003-04-18 | 2003-04-18 | Procede et dispositif de mise en oeuvre a chaud d'un enrobe bitumineux |
FR0304875 | 2003-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1469127A1 true EP1469127A1 (fr) | 2004-10-20 |
EP1469127B1 EP1469127B1 (fr) | 2008-05-28 |
Family
ID=32893390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04290978A Expired - Lifetime EP1469127B1 (fr) | 2003-04-18 | 2004-04-13 | Procédé et dispositif de mise en oeuvre à chaud d'un enrobé bitumineux |
Country Status (7)
Country | Link |
---|---|
US (1) | US7114875B2 (fr) |
EP (1) | EP1469127B1 (fr) |
AT (1) | ATE397127T1 (fr) |
DE (1) | DE602004014059D1 (fr) |
ES (1) | ES2308124T3 (fr) |
FR (1) | FR2853918B1 (fr) |
PT (1) | PT1469127E (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2072562A1 (fr) | 2007-12-21 | 2009-06-24 | Eurovia | Procède de fabrication d'enrobes double phase |
CN113550206A (zh) * | 2021-08-13 | 2021-10-26 | 深圳市金世纪工程实业有限公司 | 一种道路桥梁路面施工装置及其方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8454739B2 (en) * | 2005-09-12 | 2013-06-04 | Alm Holding Co. | Bituminous paving composition and process for bituminous paving |
US8454740B2 (en) * | 2005-09-12 | 2013-06-04 | Alm Holding Co. | Bituminous paving composition and process for bituminous paving |
BRPI0813019A2 (pt) | 2007-07-26 | 2015-07-28 | Akzo Nobel Nv | "formulação de betume ou asfalto para o pavimento desuperfícies de vias, e, método para incrementar as propriedades de resistência à umidade de asfalto de mistura quente que contém agregados" |
US7815725B2 (en) | 2007-09-07 | 2010-10-19 | Alm Holding Co. | Warm asphalt binder compositions containing lubricating agents |
EP2062943A1 (fr) | 2007-11-14 | 2009-05-27 | Akzo Nobel N.V. | Modificateurs d'asphalte pour des applications de mélanges chauds comprenant un promoteur d'adhésion |
WO2009105688A1 (fr) | 2008-02-22 | 2009-08-27 | Alm Holding Company | Traitement de mélanges bitumineux pour revêtement de chaussées à température réduite |
BRPI0916631B1 (pt) | 2008-08-05 | 2019-09-24 | A.L.M Holding Company | Métodos para a reciclagem a frio “in situ” empregando aditivo de lubrificação e asfalto espumado |
FR2950893B1 (fr) | 2009-10-05 | 2012-11-09 | Lafarge Sa | Composition hydrocarbonee et son procede de fabrication |
EP3293310B1 (fr) * | 2016-09-07 | 2019-11-27 | Joseph Vögele AG | Finisseuse de route comprenant un dispositif de vaporisation |
ES1195909Y (es) * | 2017-10-16 | 2018-01-19 | Agusti Y Masoliver S A | Extendedora de aglomerado de asfalto para asfaltar una superficie que debe ser asfaltada |
US11441276B2 (en) * | 2020-03-02 | 2022-09-13 | Caterpillar Paving Products Inc. | Machine and material supply system associated with machine |
Citations (5)
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FR1443136A (fr) * | 1964-04-16 | 1966-06-24 | Lassailly & Bichebois Sa Des E | Procédé, produits et appareillages pour la préparation et la mise en oeuvre de coulis bitumineux |
GB1130332A (en) * | 1966-10-06 | 1968-10-16 | Ibe Ltd | Improvements relating to bituminous material |
SU1276724A1 (ru) * | 1985-04-02 | 1986-12-15 | Ленинградский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Инженерно-Строительный Институт | Способ приготовлени битумоминеральной смеси и устройство дл его осуществлени |
EP0545740A1 (fr) * | 1991-12-05 | 1993-06-09 | BEUGNET, Société dite | Procédé de double traitement à froid d'un matériau granulaire destiné à la technique routière |
FR2725196A1 (fr) * | 1994-09-29 | 1996-04-05 | Colas Sa | Beton pour chaussees et sols industriels a base de liant composite |
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US2917395A (en) * | 1957-06-24 | 1959-12-15 | Iowa State College Res Found | Method for combining a bituminous binder with an aggregate material |
BE662392A (fr) | 1964-04-16 | |||
SE347989C (sv) | 1970-12-02 | 1980-10-13 | Karl Gunnar Ohlson | Forfarande vid framstellning av verksblandad asfaltbetong |
DE2062358A1 (de) | 1970-12-18 | 1972-06-29 | Tunkl, Franz, Dr., 6900 Heidelberg | Verfahren und Vorrichtung zur Herstellung von Straßendeckenmaterialien |
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FR2663943B1 (fr) | 1990-06-29 | 1993-12-31 | Beugnet Sa | Liant bitumeux pour revetement de chaussees ainsi que procede pour la fabrication d'un tel liant. |
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FI94884C (fi) | 1994-02-18 | 1995-11-10 | Nesotec Oy | Menetelmä ja laite vaahtobitumin valmistamiseksi |
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-
2003
- 2003-04-18 FR FR0304875A patent/FR2853918B1/fr not_active Expired - Fee Related
-
2004
- 2004-04-13 AT AT04290978T patent/ATE397127T1/de active
- 2004-04-13 EP EP04290978A patent/EP1469127B1/fr not_active Expired - Lifetime
- 2004-04-13 DE DE602004014059T patent/DE602004014059D1/de not_active Expired - Lifetime
- 2004-04-13 ES ES04290978T patent/ES2308124T3/es not_active Expired - Lifetime
- 2004-04-13 PT PT04290978T patent/PT1469127E/pt unknown
- 2004-04-15 US US10/824,880 patent/US7114875B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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FR1443136A (fr) * | 1964-04-16 | 1966-06-24 | Lassailly & Bichebois Sa Des E | Procédé, produits et appareillages pour la préparation et la mise en oeuvre de coulis bitumineux |
GB1130332A (en) * | 1966-10-06 | 1968-10-16 | Ibe Ltd | Improvements relating to bituminous material |
SU1276724A1 (ru) * | 1985-04-02 | 1986-12-15 | Ленинградский Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Инженерно-Строительный Институт | Способ приготовлени битумоминеральной смеси и устройство дл его осуществлени |
EP0545740A1 (fr) * | 1991-12-05 | 1993-06-09 | BEUGNET, Société dite | Procédé de double traitement à froid d'un matériau granulaire destiné à la technique routière |
FR2725196A1 (fr) * | 1994-09-29 | 1996-04-05 | Colas Sa | Beton pour chaussees et sols industriels a base de liant composite |
Non-Patent Citations (1)
Title |
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DATABASE WPI Section Ch Week 198729, Derwent World Patents Index; Class L02, AN 1987-204941, XP002265917 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2072562A1 (fr) | 2007-12-21 | 2009-06-24 | Eurovia | Procède de fabrication d'enrobes double phase |
FR2925506A1 (fr) * | 2007-12-21 | 2009-06-26 | Eurovia Sa | Procede de fabrication d'enrobes double phase |
CN113550206A (zh) * | 2021-08-13 | 2021-10-26 | 深圳市金世纪工程实业有限公司 | 一种道路桥梁路面施工装置及其方法 |
Also Published As
Publication number | Publication date |
---|---|
US7114875B2 (en) | 2006-10-03 |
DE602004014059D1 (de) | 2008-07-10 |
FR2853918B1 (fr) | 2005-06-24 |
EP1469127B1 (fr) | 2008-05-28 |
ATE397127T1 (de) | 2008-06-15 |
US20040223808A1 (en) | 2004-11-11 |
FR2853918A1 (fr) | 2004-10-22 |
ES2308124T3 (es) | 2008-12-01 |
PT1469127E (pt) | 2008-09-04 |
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