EP0798417B1 - Aufbau für Strassen hergestellt aus steife Materialien - Google Patents

Aufbau für Strassen hergestellt aus steife Materialien Download PDF

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Publication number
EP0798417B1
EP0798417B1 EP97400612A EP97400612A EP0798417B1 EP 0798417 B1 EP0798417 B1 EP 0798417B1 EP 97400612 A EP97400612 A EP 97400612A EP 97400612 A EP97400612 A EP 97400612A EP 0798417 B1 EP0798417 B1 EP 0798417B1
Authority
EP
European Patent Office
Prior art keywords
layer
foundation layer
bituminous
structure according
roadway structure
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.)
Expired - Lifetime
Application number
EP97400612A
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English (en)
French (fr)
Other versions
EP0798417A1 (de
Inventor
Michel Malot
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.)
Total Marketing Services SA
Original Assignee
TotalFinaElf France SA
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 TotalFinaElf France SA filed Critical TotalFinaElf France SA
Publication of EP0798417A1 publication Critical patent/EP0798417A1/de
Application granted granted Critical
Publication of EP0798417B1 publication Critical patent/EP0798417B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E01C7/185—Isolating, separating or connecting intermediate layers, e.g. adhesive layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions
    • 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

Definitions

  • the present invention relates to a new structure for floor, made from rigid materials.
  • these layers can be laid directly on the floor, but also on an untreated material, such as, for example, a serious untreated or a serious reconstituted humidified.
  • the new layer or layers of treated materials are placed directly in contact with the upper layer of the old pavement.
  • these known techniques relate to roadways semi-rigid, i.e. with a seat layer made from a material treated with binders hydraulic, such as gravel-cements or gravel-slag.
  • EP-A-0433 155 describes a method of constructing a pavement comprising from top to bottom: a wearing course, a base course and a bituminous binder enrichment layer, the latter consisting of at least one layer of aggregates and at least one layer of binder dosed at more than 800 g / m 2 .
  • the seat layer is of a particular type and has a stiffness modulus between 9.5 to 11.10 3 MPa.
  • the enrichment layer is rich in binder, so that it goes up in the seat layer when compaction.
  • the goal is to improve fatigue resistance and the impermeability of the roadway.
  • EP-A-0041 881 describes bituminous mixtures for road surfaces resistant to cracking and whose stiffness modulus is between 16 and 24.10 3 MPa, using a binder composed of very hard bitumens.
  • the object of the present invention is therefore to obtain a pavement comprising a rigid seat layer, which has improved fatigue resistance, i.e. resistance good for heavy loads transmitted by vehicles on the road.
  • the Applicant has highlighted the fact that it is surprisingly possible to obtain a good quality pavement with a long service life and can be built on a support even damaged, in incorporating a special layer under the seat layer rigid.
  • the stiffness modulus is measured according to the TOTAL 762-94 method.
  • the wearing course resting on the rigid seat layer can advantageously be a traditional asphalt, such as concrete bituminous.
  • the role of this wearing course is to provide good protection of the structure and, due to its roughness, good grip for vehicles.
  • the rigid seat layer of the structure according to the invention has a stiffness modulus greater than or equal to 14.10 3 MPa at 15 ° C and 10 Hz and can be made from bituminous materials of the high modulus coated type, by for example, or based on materials treated with hydraulic binders, such as gravel-cements or gravel-slag.
  • This layer The role of this layer is to constitute a good sitting on the floor.
  • a base layer constituted by a bituminous mix of the type coated with very high rigidity modulus, developed by Applicant and subject of the patent application French N ° 95 10097.
  • This bituminous mix is produced at from a very hard binder, whose penetration at 25 ° C, measured according to standard AFNOR NFT 66-004, is between 0 and 20 and whose asphalt content is greater than 6 parts percent by weight.
  • this coated material Due to its very rigid nature, its modulus of rigidity at 25 ° C and 10 Hz being greater than 24.10 3 MPa, this coated material makes it possible to provide the same structural effect as conventional materials, but with much smaller thicknesses, from 5 to 30 cm.
  • the layer that is placed under the seat layer must fill the hollows and the reliefs of the ground, material not treated, or the pavement to be reinforced, on which it is supported. This layer must therefore have a thickness sufficient to cover these irregularities, so that form a support for the seat layer with a smooth surface and plane.
  • This layer must, in addition, adhere to the base layer of so that the final pavement behaves well mechanical, in particular with regard to mechanical fatigue.
  • Adhesion can be natural, if the layer is made at from a sufficiently bituminous material.
  • the layer according to the invention which is placed under the seat layer, can be made from several types of materials.
  • a first family of usable materials includes: bituminous mixtures, such as, for example, bituminous sand, reshaped mixes, cold mixes or concretes bituminous.
  • these materials once implemented, must have a low macroroughness and a good level.
  • macroroughness is defined by a sand height less than or equal to 4 mm, and preferably less than or equal to 2mm, measured by the height test of sand according to standard NFP 98-216-1.
  • This layer could, for example, be bonded to the base layer with a bonding layer produced from a 70/100 bitumen emulsion, dosed at 300-400 g / m 2 with residual binder.
  • a second family of materials that can be used to layer to be placed under the seat layer includes materials flowable bituminous, such as, for example, cold, bituminous grout or mastic asphalt.
  • these materials must have a low macroroughness, on the order of that possessed by bituminous mixtures mentioned above.
  • the layer made from these bituminous materials pourable is also applied according to standard NFP 98-150, which gives it the desired good uni character.
  • Bonding with the base layer is ensured by spreading a bonding layer produced from an emulsion of bitumen 70/100, for example, and at a rate of 200 to 500 g / m 2 in residual binder.
  • a third family of materials that can serve as layer to be placed under the seat layer includes non-bituminous materials.
  • geotextiles i.e. any tightly woven textile tablecloth, which is produced from natural yarns or fibers or synthetic and that we usually use in road construction and stabilization operations of land.
  • the geotextile used according to the invention can be a nonwoven web with a surface mass of between 50 and 500 g / m 2 and formed of continuous filaments based on a polymer such as a polyester, an isotactic polypropylene, a polyamide, a polyacrylonitrile, cellulose acetate, polyvinyl chloride, polyvinylidene chloride or even high density polyethylene.
  • a polymer such as a polyester, an isotactic polypropylene, a polyamide, a polyacrylonitrile, cellulose acetate, polyvinyl chloride, polyvinylidene chloride or even high density polyethylene.
  • a geotextile consisting of a tightly woven nonwoven fabric formed from continuous filaments based on isotactic polypropylene, or well of a polyester, in particular of polyterephthalate alkylene glycol such as polyethylene terephthalate glycol, or a polyamide, in particular a polycaproamide or a polyhexamethylene adipamide.
  • the tablecloth nonwoven formed of continuous filaments based on a polymer can be, in particular, the tablecloth described in one or the other of publications FR-A-1 601 049, FR-A-2 108 145 and FR-A-2 592 411, these publications indicating the method general production of such a tablecloth.
  • the geotextile can also be a woven sheet with a surface mass of between 50 and 500 g / m 2 and with a mesh diameter less than or equal to 5 mm, so as to give a smooth character.
  • the impregnation rate is between 200 and 800 g / m 2 .
  • This impregnation is carried out with hot bitumen or with a bitumen in the form of an emulsion, the penetration of the bitumen at 25 ° C. is between 180 and 220 tenths of a millimeter.
  • these non-bituminous materials must have a low macroroughness, of the order that have the bituminous mixtures mentioned above.
  • This bonding layer after spreading and breaking the emulsion, is dosed at 200-500 g / m 2 with residual binder.
  • This material also fits perfectly, as well for the construction of new pavements as for the reinforcement of existing pavements.
  • the layer to place under the seat layer can be laid either directly on the ground, either on untreated material, by example of severe untreated or severe reconstituted type moistened.
  • pavement structures not only have a fatigue strength significantly improved compared to prior art structures but they exhibit also the advantage of not requiring an implementation neither complicated nor expensive, since they can be carried out by known conventional means.
  • This example concerns a. coated material bituminous, the Applicant of which recommends the use for pavement construction, as a layer to be placed under the rigid foundation layer of the roadway.
  • bitumen sand used in the form a hot mix, prepared from a bitumen playing the role of binder whose penetrability at 25 ° C is understood between 35 and 50 tenths of a millimeter.
  • the penetrability is measured according to the AFNOR standard NFT 66-004.
  • the macroroughness of this bituminous sand is defined by a sand height, according to standard NFP 98-216-1, of the order of 3 mm.
  • This bitumen sand has a richness module between 2.8 and 3.0, a bitumen content of 5.2 parts per cent by weight, a particle size between 0 and 6 or between 0 and 10 mm, of the type: % passing Sieve opening diameter 15 0.08mm 64 0.2mm 77 0.717 mm 91 0.5mm 97 1 mm 100 2 mm
  • This layer of bitumen sand is implemented according to standard NFP-98-150, which gives it a good levelness, and has a final thickness of 2 cm, after cooling and spreading a bonding layer of bituminous emulsion type. dosed at 250-300 g / m 2 with residual binder.
  • This example concerns a coated type material bituminous, the Applicant of which recommends the use for the reinforcement of a pavement, as a layer to be placed under the rigid base layer of new pavement and on a pavement to be reinforced.
  • reprofiling mix that is to say a hot coated prepared from bitumen whose penetration at 25 ° C is between 35 and 50 tenths of millimeter.
  • This asphalt has a sandy character and a particle size between 0 and 6 mm or between 0 and 10 mm, of the type: % passing Sieve opening diameter 0/6 0/10 12 10 0.08mm 60 50 2 mm 100 80 6.3 mm
  • This asphalt has a higher richness module k or equal to 3.0, if the asphalt has a particle size between 0 and 6 mm, and greater than or equal to 2.8, if the mix has a particle size between 0 and 10 mm.
  • This example concerns a material of material type pourable bituminous, which the Applicant recommends the use for the construction of a new roadway, as a layer to be placed under the rigid seat layer of the floor.
  • This asphalt has a macroroughness, defined by a sand height according to standard NFP-98-216-1, of the order of 4 mm.
  • This layer is implemented according to standard NFP-98-150, which gives it a good level, with a bonding layer of the cationic emulsion type, prepared from a bitumen of penetrability of between 70 and 100 tenths of millimeter, dosed at 200-500 g / m 2 with residual binder.
  • This example concerns a geotextile type material, which the Applicant recommends the use for construction of a new pavement, as a layer to be placed under the rigid base layer of this new roadway.
  • the polyester fibers have a weight of 80 g / m 2 , a mechanical strength of 2 kN / m and an elongation of 40%.
  • the glass grid has a weight of 55 g / m 2 , a mechanical strength of 14 kN / m and an elongation of 3%.
  • the impregnation rate of this geotextile is 600 g / m 2 , with a bitumen emulsion of penetrability between 180 and 220 tenths of a millimeter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Road Paving Machines (AREA)
  • Laminated Bodies (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (13)

  1. Aufbau für eine Fahrbahn, welcher von oben nach unten folgendes aufweist:
    eine Deckschicht,
    mindestens eine unelastische untere Lage, welche die Deckschicht trägt,
    den Untergrund bzw. ein unbehandeltes Material oder eine beschädigte Fahrbahn, welcher bzw. welche die untere Lage trägt,
    wobei der Fahrbahnaufbau unter der unteren Lage eine an dieser anhaftende Schicht aufweist,
    dadurch gekennzeichnet, dass die Dicke der unter der unteren Lage aufgebrachten Schicht zum Überdecken der Unregelmäßigkeiten der Oberfläche, auf welcher sie liegt, ausreicht, um für die untere Lage, deren Schermodul gleich 14,103 MPa oder höher ist, eine Auflage mit glatter und ebener Fläche zu bilden, d.h. eine Fläche, welche eine Unebenheit im Makrobereich aufweist, deren Sandhöhe, gemessen mit einem Sandhöhenversuch gemäß der Norm NFP 98-216-1, einen Wert von 4 mm oder weniger aufweist.
  2. Aufbau für eine Fahrbahn nach Anspruch 1, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht aus bituminöser Straßendeckenmischung besteht.
  3. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht aus Teersanden, Deckenmischungen zur Herstellung eines neuen Profils, aus Mischungen für Kalteinbaudecken oder aus Asphaltbeton besteht.
  4. Aufbau für eine Fahrbahn nach Anspruch 1, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht aus vergießbaren bituminösen Materialien besteht.
  5. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 oder 4, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht aus kalt vergossenen Deckenmischungen, aus bituminöser Vergussmasse oder aus vergossenen Asphaltmaterialien besteht.
  6. Aufbau für eine Fahrbahn nach Anspruch 1, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht aus nicht-bituminösen Materialien besteht, die vornehmlich zu der Gruppe gehören, die geotextile Materialien, Geomembranmaterialien wie Polymerfilmschichten, Vergussmassen mit hydraulischem Bindemittel, Teppiche aus gepressten Abfällen, die mit organischen oder mineralischen Bindemitteln verpresst wurden, und die mit hydraulischen Bindemitteln behandelten Schichten umfasst.
  7. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht eine Unebenheit im Makrobereich aufweist, die, durch die Sandhöhe gemäß der Definition in der Norm NFP-98 216-1 bestimmt, kleiner als 4 mm und vorzugsweise kleiner als 2 mm ist.
  8. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die unter der unteren Lage aufgebrachte Schicht mittels einer Haftschicht in Form einer Bitumenemulsion an die untere Lage anhaftend gemacht wird.
  9. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Deckschicht aus Asphaltbeton besteht
  10. Aufbau für eine Fahrbahn nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die untere Lage eine bituminöse Deckenmischung ist, die aus einem Bindemittel hergestellt ist, dessen Durchlässigkeit bei 25 °C zwischen 0 und 20 liegt.
  11. Aufbau für eine Fahrbahn nach Anspruch 10, dadurch gekennzeichnet, dass die untere Lage eine bituminöse Deckenmischung ist, die aus einem Bindemittel hergestellt ist, dessen Anteil in der Deckenmischung mehr als 6 Prozentanteile in Gewichtsprozent beträgt.
  12. Aufbau für eine Fahrbahn nach einem der Ansprüche 10 und 11, dädurch gekennzeichnet, dass die untere Lage eine Dicke zwischen 5 und 30 cm aufweist.
  13. Verfahren zur Herstellung eines Fahrbahnaufbaus nach einem der Ansprüche 1 bis 12, gekennzeichnet durch die folgenden aufeinander folgenden Arbeitsschritte:
    der Untergrund bzw. ein unbehandeltes Material oder eine stark baufällige Fahrbahn wird mit einer Schicht bedeckt, die zum Anhaften an die untere Lage bestimmt ist und deren Dicke ausreicht, um die Unregelmäßigkeiten in der Oberfläche zu überdecken, auf der sie liegt, um so für die untere Lage eine Auflage mit glatter und ebener Oberfläche zu bilden, d.h. eine Fläche, welche eine Unebenheit im Makrobereich aufweist, deren Sandhöhe, gemessen mit einem Sandhöhenversuch gemäß der Norm NFP 98-216-1, einen Wert von 4 mm oder weniger aufweist;
    auf diese Schicht wird die untere Lage aufgebracht, deren Schermodul gleich 14,103 MPa oder höher ist;
    die untere Lage wird mit der Fahrbahnschicht bedeckt.
EP97400612A 1996-03-28 1997-03-19 Aufbau für Strassen hergestellt aus steife Materialien Expired - Lifetime EP0798417B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9603871A FR2746821B1 (fr) 1996-03-28 1996-03-28 Nouvelle structure de chaussee, realisee a partir de materiaux rigides
FR9603871 1996-03-28

Publications (2)

Publication Number Publication Date
EP0798417A1 EP0798417A1 (de) 1997-10-01
EP0798417B1 true EP0798417B1 (de) 2003-05-28

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ID=9490647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400612A Expired - Lifetime EP0798417B1 (de) 1996-03-28 1997-03-19 Aufbau für Strassen hergestellt aus steife Materialien

Country Status (12)

Country Link
US (1) US6158920A (de)
EP (1) EP0798417B1 (de)
JP (1) JPH111901A (de)
CN (1) CN1266343C (de)
AT (1) ATE241734T1 (de)
CA (1) CA2201095C (de)
DE (1) DE69722300T2 (de)
DK (1) DK0798417T3 (de)
ES (1) ES2202562T3 (de)
FR (1) FR2746821B1 (de)
PT (1) PT798417E (de)
ZA (1) ZA972296B (de)

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EP2685001A1 (de) * 2012-07-11 2014-01-15 Sika Technology AG Fahrbahnaufbau und Verfahren zu dessen Herstellung
CN102912705A (zh) * 2012-11-08 2013-02-06 沈阳建筑大学 纤维沥青混凝土预防道路交叉路口路面
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Also Published As

Publication number Publication date
PT798417E (pt) 2003-10-31
EP0798417A1 (de) 1997-10-01
CA2201095A1 (fr) 1997-09-28
DE69722300D1 (de) 2003-07-03
DK0798417T3 (da) 2003-09-22
US6158920A (en) 2000-12-12
JPH111901A (ja) 1999-01-06
ZA972296B (en) 1997-09-17
DE69722300T2 (de) 2004-04-29
ES2202562T3 (es) 2004-04-01
CN1266343C (zh) 2006-07-26
FR2746821B1 (fr) 1998-06-26
CA2201095C (fr) 2007-09-18
FR2746821A1 (fr) 1997-10-03
CN1163332A (zh) 1997-10-29
ATE241734T1 (de) 2003-06-15

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