EP0440562A1 - Mehrschichtiger Strassendeckenbelag gegen Risse - Google Patents

Mehrschichtiger Strassendeckenbelag gegen Risse Download PDF

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Publication number
EP0440562A1
EP0440562A1 EP91400237A EP91400237A EP0440562A1 EP 0440562 A1 EP0440562 A1 EP 0440562A1 EP 91400237 A EP91400237 A EP 91400237A EP 91400237 A EP91400237 A EP 91400237A EP 0440562 A1 EP0440562 A1 EP 0440562A1
Authority
EP
European Patent Office
Prior art keywords
layer
bituminous
cold
coating according
membrane
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
EP91400237A
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English (en)
French (fr)
Other versions
EP0440562B1 (de
Inventor
Maurice Vivier
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.)
Entreprise Jean Lefebvre
Original Assignee
Entreprise Jean Lefebvre
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Entreprise Jean Lefebvre filed Critical Entreprise Jean Lefebvre
Publication of EP0440562A1 publication Critical patent/EP0440562A1/de
Application granted granted Critical
Publication of EP0440562B1 publication Critical patent/EP0440562B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01C7/26—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
    • 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
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • 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
    • E01C7/262—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 fibrous material, e.g. asbestos; with animal or vegetal admixtures, e.g. leather, cork

Definitions

  • the present invention belongs to the field of road surfaces, in particular road surfaces whose seats crack.
  • a first improvement consists in interposing a bituminous membrane, having a thickness of 2 to 3 mm, between the wearing course and the support.
  • the support In the case of a new roadway, the support consists of gravel treated with hydraulic binders. In the case of an existing cracked roadway with gravel treated with hydraulic binders, the support consists of the existing coating.
  • the bitumens used for the bituminous membrane can be pure bitumens or bitumens modified by the addition of macromolecular substances.
  • a disadvantage of this type of process is that, during the laying of the first hot mix mat on the bituminous membrane, even sandblasted, it melts and percolates from bottom to top at the base of this mat, so that its thickness greatly decreases until it disappears almost completely if the temperature of the mix is excessive. The ability to slow the rise of cracks is then considerably reduced, because a coating of asphalt, even highly enriched with bituminous binder at its base, is obviously less deformable with a layer of pure binder.
  • the present inventors have now discovered a new means for preventing reverse percolation of the binder constituting the bituminous membrane during the application of the hot mix forming the wearing course.
  • the subject of the present invention is a new multilayer coating for roadways, in particular for roadways whose seats crack.
  • the invention also relates to a process for producing this coating.
  • the multilayer coating according to the invention comprises a bituminous membrane applied to the seat of the roadway, and a wearing course or a bonding layer. It is characterized in that it also comprises at least one layer of cold-cast mix, between the bituminous membrane and the wearing course or a bonding layer.
  • a surfacing layer will be applied to said support, before applying the bituminous membrane.
  • the cold-poured asphalt layer consists of a bituminous binder and an aggregate, the maximum particle size of which remains less than approximately 10 mm.
  • the aggregate is preferably a crushed sand and more particularly a 0/6, 0/4 or 0/2 sand.
  • the thickness of the cold-cast mix layer is between 3 and 12 mm. It is essentially a function of the grain size of the sand. Thus, for a 0/2 sand, the thickness is of the order of 3 to 5 mm; for 0/4 sand, it is 5 to 7 mm; for 0/6 sand, it is 7 to 10 mm.
  • the cold poured asphalt layer can be a single layer. It can also be a double layer.
  • the bituminous binder essentially contains a bitumen.
  • bitumen is chosen from pure bitumens, preferably from grades 60/70, 80/100, and 180/220.
  • bitumen used can be a bitumen modified by the addition of thermoplastic copolymers, either by direct hot mixing of pure bitumen and of copolymer, or by indirect cold mixing of pure bitumen emulsion and of aqueous dispersion of copolymer at the time of manufacture. of the mix to be poured.
  • EVA ethylene vinyl acetate
  • SBS styrene butadiene styrene styrene
  • EMA ethylene methacrylate copolymers
  • SBR styrene butadiene rubber block copolymers
  • acrylic copolymers as well as various mixtures of these copolymers.
  • the copolymer content is at most equal to about 5% by weight.
  • the addition of such copolymers has the effect of less rejection upon commissioning, a better binder-aggregate bond, increased brine resistance, reduced sensitivity to heat and cold, greater cohesion as well as '' better deformability.
  • a mineral filler can optionally supplement the particle size of the aggregates such as for example a crushed rock powder, preferably limestone, cement, natural or artificial rock fibers.
  • the mineral filler content is less than 10%.
  • the bituminous binder also contains synthetic fibers.
  • the fibers used are ultra-fine synthetic fibers (a few decitex) and relatively long (4 to 8 mm). They are chosen according to the elastic modulus of the material of which they are made, in order to obtain a fibrous mix whose deformability is compatible with that of the support on which it will be applied. Low fiber low modulus will be used for the most deformable pavements.
  • the proportion of fibers is advantageously between 0.05 and 3% by weight. This proportion may be very low, but given the extreme fineness of these fibers, their number per square meter of asphalt poured is considerable, as well as the length of the network that they constitute.
  • bituminous membrane can be applied hot, or spread cold when in the form of a bituminous emulsion.
  • bituminous membrane can advantageously be coated, in a conventional manner, during a sanding operation, with fine particles, for example with ardoisine or with sandstone.
  • the wearing courses or link layers are not critical. They are produced in a manner known per se, for example in the form of a surface coating, a hot mix or a cold cast mix. In the particular case of an overlying hot mix, the cold-poured asphalt layer constitutes a thermal and mechanical screen opposing the reverse percolation of the membrane in this asphalt.
  • the wearing course or bonding layer can also consist of a cold-cast mix containing a modified bitumen to which synthetic fibers have optionally been added.
  • the coating according to the present invention can be applied to any pavement support. It is particularly useful for pavements whose support undergoes cracking, whatever the origin of the cracking. These may include active cracks originating from a thermal shrinkage phenomenon.
  • the support can, for example, consist of concrete slabs separated by expansion joints.
  • the coating is particularly useful for semi-rigid pavements treated with hydraulic binders and for cement concrete pavements.
  • the method for producing a multilayer coating according to the invention is characterized in that it consists in applying successively to the roadway, a layer of a bituminous binder spread hot or else cold in the form of emulsion, a layer of cold-poured asphalt, then a wearing course or a binder course. Each of these layers is applied by conventional methods.
  • Examples 1 and 2 are examples of preparation of compositions intended to constitute the layer of cold-cast mix.
  • bituminous binder used was Mobilplast® marketed by the applicant, containing 95% by weight of 80/100 emulsifiable bitumen, and 5% by weight of an EVA 33/45 copolymer.
  • composition intended to form the layer of cold-cast mix was prepared by kneading the following mixture, in which the proportions are expressed in parts by weight:
  • Example 1 The emulsion prepared in Example 1 was used and the following composition was prepared, in the same manner as in Example 1:
  • Shrinkage-bending tests were carried out on a test piece reproducing a multi-layer coating of the invention and on test pieces reproducing control coatings.
  • the test consists in monitoring the rate of ascent of a crack through the various coatings.
  • the progress of the crack is followed by a network of conductive wires.
  • the test makes it possible to estimate, under these conditions, different characteristics linked to the efficiency of the complex studied (appearance of the crack, speed of propagation, complete cracking time of the complex).
  • FIG. 1 A diagram of the machine used is shown in fig. 1.
  • Each plate is sawn to provide three test specimens of dimensions 560 x 110 x e.
  • Each test piece receives a network of conductive wires forming part of the crack monitoring system. The test piece is then bonded to two half-plates (made of aluminum) and fixed to the machine in accordance with the diagram in Figure 1.
  • a support + complex coating complex according to the invention was studied in the context of this experiment, by comparison with three control complexes. Their constitutions are indicated in Table I below.
  • Each curve corresponds to the average behavior of two test pieces.
  • the number assigned to each curve is the number of the corresponding sample.
  • the test although simulating the stresses to which the road is subjected, can only be interpreted by making comparisons with known control systems.
  • the controls used in this study are bituminous concretes at 60/70 directly bonded to their cracked support (samples and curves n ° 1 and 2) and a bituminous concrete system at 60/70 + rich bitumen sand 80/100 itself bonded. on its support (sample and curve n ° 3).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)
  • Road Repair (AREA)
  • Paints Or Removers (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP91400237A 1990-02-02 1991-01-31 Mehrschichtiger Strassendeckenbelag gegen Risse Expired - Lifetime EP0440562B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001240A FR2657902B1 (fr) 1990-02-02 1990-02-02 Revetement multicouche pour chaussees.
FR9001240 1990-02-02

Publications (2)

Publication Number Publication Date
EP0440562A1 true EP0440562A1 (de) 1991-08-07
EP0440562B1 EP0440562B1 (de) 1993-06-23

Family

ID=9393349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91400237A Expired - Lifetime EP0440562B1 (de) 1990-02-02 1991-01-31 Mehrschichtiger Strassendeckenbelag gegen Risse

Country Status (9)

Country Link
US (1) US5106228A (de)
EP (1) EP0440562B1 (de)
AT (1) ATE90982T1 (de)
CA (1) CA2035362C (de)
DE (1) DE69100133T2 (de)
DK (1) DK0440562T3 (de)
ES (1) ES2042341T3 (de)
FR (1) FR2657902B1 (de)
PT (1) PT96651A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2693490A1 (fr) * 1992-07-07 1994-01-14 Elf Antar France Système perfectionné anti-remontée de fissures intercalé entre la couche de structure et la couche de roulement d'une chaussée et procédé pour la réalisation d'un tel système.
FR2716470A1 (fr) * 1994-02-21 1995-08-25 Screg Routes & Travaux Procédé de réalisation d'un revêtement routier bitumineux ultra-mince.
WO2015082058A1 (de) * 2013-12-02 2015-06-11 Sf-Kooperation Gmbh Beton-Konzepte Erdreichabdeckung und verfahren zur herstellung derselben

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3565501B2 (ja) * 2000-10-04 2004-09-15 株式会社日本触媒 特定組成よりなるアスファルト改質材、改質アスファルト混合物及びその舗装方法
WO2010124327A1 (en) * 2009-04-28 2010-11-04 Infrastructure Technology Limited Channel and water storage liner

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR922016A (fr) * 1945-03-29 1947-05-27 Bataafsche Petroleum Procédé pour l'obtention ou la réparation des revêtements bitumineux de routes
CH422855A (de) * 1960-02-03 1966-10-31 British Cellophane Ltd Fahrbahnbelag und Verfahren zu dessen Herstellung
CH545378A (de) * 1972-05-19 1973-12-15 Oleag Ag Risse überbrückender, isolierender Bodenbelag
FR2183618A1 (en) * 1972-05-12 1973-12-21 Mobil Oil France Road surfacing compsn - contg mixt of bitumen ethylene/vinyl acetate copoly-mer and terpene resin as binder
DE2250694A1 (de) * 1972-10-16 1974-04-18 Us Rubber Reclaiming Co Belag fuer verkehrsflaechen
EP0216148A2 (de) * 1985-09-11 1987-04-01 Vialit Kaltasphalt Gesellschaft m. b. H. Bituminöser Belag für Strassen, Wege und dergleichen, sowie Verfahren zur Herstellung von im Kaltverfahren bituminös gebundener Beläge für Strassen, Wege und dergleichen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151025A (en) * 1977-06-06 1979-04-24 Triram Corporation Method for waterproofing bridge decks and the like
US4545699A (en) * 1980-08-29 1985-10-08 Owens-Corning Fiberglas Corporation Primer composition for a laminated repaired road
US4362586A (en) * 1980-11-07 1982-12-07 Owens-Corning Fiberglas Corporation Polyamide as a primer for use with asphaltic membranes
GB8409635D0 (en) * 1984-04-13 1984-05-23 Exxon Research Engineering Co Surface dressing of roads
US5026609A (en) * 1988-09-15 1991-06-25 Owens-Corning Fiberglas Corporation Road repair membrane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR922016A (fr) * 1945-03-29 1947-05-27 Bataafsche Petroleum Procédé pour l'obtention ou la réparation des revêtements bitumineux de routes
CH422855A (de) * 1960-02-03 1966-10-31 British Cellophane Ltd Fahrbahnbelag und Verfahren zu dessen Herstellung
FR2183618A1 (en) * 1972-05-12 1973-12-21 Mobil Oil France Road surfacing compsn - contg mixt of bitumen ethylene/vinyl acetate copoly-mer and terpene resin as binder
CH545378A (de) * 1972-05-19 1973-12-15 Oleag Ag Risse überbrückender, isolierender Bodenbelag
DE2250694A1 (de) * 1972-10-16 1974-04-18 Us Rubber Reclaiming Co Belag fuer verkehrsflaechen
EP0216148A2 (de) * 1985-09-11 1987-04-01 Vialit Kaltasphalt Gesellschaft m. b. H. Bituminöser Belag für Strassen, Wege und dergleichen, sowie Verfahren zur Herstellung von im Kaltverfahren bituminös gebundener Beläge für Strassen, Wege und dergleichen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2693490A1 (fr) * 1992-07-07 1994-01-14 Elf Antar France Système perfectionné anti-remontée de fissures intercalé entre la couche de structure et la couche de roulement d'une chaussée et procédé pour la réalisation d'un tel système.
WO1994001623A1 (fr) * 1992-07-07 1994-01-20 Elf Antar France Systeme perfectionne anti-remontee de fissures intercale entre la couche de structure et la couche de roulement d'une chaussee et procede pour la realisation d'un tel systeme
ES2112746A1 (es) * 1992-07-07 1998-04-01 Elf Antar France Sistema mejorado antiascenso de fisuras intercalado entre la capa de estructura y la capa de rodadura de una calzada y procedimiento para la realizacion de dicho sistema.
FR2716470A1 (fr) * 1994-02-21 1995-08-25 Screg Routes & Travaux Procédé de réalisation d'un revêtement routier bitumineux ultra-mince.
WO2015082058A1 (de) * 2013-12-02 2015-06-11 Sf-Kooperation Gmbh Beton-Konzepte Erdreichabdeckung und verfahren zur herstellung derselben

Also Published As

Publication number Publication date
CA2035362A1 (fr) 1991-08-03
DK0440562T3 (da) 1993-08-16
FR2657902A1 (fr) 1991-08-09
EP0440562B1 (de) 1993-06-23
PT96651A (pt) 1991-10-31
CA2035362C (fr) 1999-06-29
ATE90982T1 (de) 1993-07-15
FR2657902B1 (fr) 1992-07-03
DE69100133D1 (de) 1993-07-29
DE69100133T2 (de) 1993-09-30
ES2042341T3 (es) 1993-12-01
US5106228A (en) 1992-04-21

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