EP2885459A1 - Structure de chaussée et son procédé de fabrication - Google Patents

Structure de chaussée et son procédé de fabrication

Info

Publication number
EP2885459A1
EP2885459A1 EP13730272.5A EP13730272A EP2885459A1 EP 2885459 A1 EP2885459 A1 EP 2885459A1 EP 13730272 A EP13730272 A EP 13730272A EP 2885459 A1 EP2885459 A1 EP 2885459A1
Authority
EP
European Patent Office
Prior art keywords
adhesive
asphalt base
rich
base layer
applying
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Withdrawn
Application number
EP13730272.5A
Other languages
German (de)
English (en)
Inventor
Hermann Finke
Thomas SIKINGER
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.)
Sika Technology AG
TPA GmbH
Original Assignee
Sika Technology AG
TPA GmbH
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 Sika Technology AG, TPA GmbH filed Critical Sika Technology AG
Priority to EP13730272.5A priority Critical patent/EP2885459A1/fr
Publication of EP2885459A1 publication Critical patent/EP2885459A1/fr
Withdrawn legal-status Critical Current

Links

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
    • E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
    • E01C7/325—Joining different layers, e.g. by adhesive layers; Intermediate layers, e.g. for the escape of water vapour, for spreading stresses
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
    • 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
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/001—Paving elements formed in situ; Permanent shutterings therefor ; Inlays or reinforcements which divide the cast material in a great number of individual units
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges

Definitions

  • the invention relates to the field of roadway sealing on a support structure.
  • reaction resin mixture When applying the reaction resin mixture to the void-rich asphalt base layer, areas form where the reaction resin mixture has larger contiguous areas forming on the top of the asphalt base course, typically optically smooth areas of the reaction resin mixture, this is disadvantageous for a good bond. These areas lead to a poor bond between the cast hollow-rich asphalt base course and the bituminous top layer.
  • the object of the present invention is therefore to provide a
  • the present invention relates in a first aspect to a method for producing a roadway structure 1 comprising the steps
  • step (ii) applying a reaction resin mixture 4 to the void-rich asphalt base course 3 of step (i);
  • step (iii) applying an adhesive 5 to the void-rich asphalt base layer 3 of step (i), wherein the adhesive is a thermoplastic solid at room temperature;
  • a cavity-rich asphalt carrying layer 3 is applied to a supporting structure 2, in particular a concrete structure.
  • Such a support structure 2 is preferably a building of civil engineering.
  • this may be a bridge, a gallery, a tunnel, a ramp or departure ramp or a parking deck.
  • a preferred example of such a support structure is a bridge.
  • This necessary for the roadway support structure is a structure of a material which a can have supporting function.
  • this material is a metal or a metal alloy or a concrete, in particular a reinforced concrete, preferably a reinforced concrete.
  • the most preferred example of such a support structure is a concrete bridge.
  • the void-rich asphalt base course 3 preferably consists of a single-grained asphalt with a high pore volume, for example asphalts of the classes 0/16, 0/1 1 or 0/5 can be used.
  • the void-rich asphalt base course preferably has a binder content of 4.5-7.5% by weight.
  • the void-rich asphalt base course preferably has spherical or polyhedron-shaped pores, which are delimited by webs and form a coherent system.
  • pores are understood as meaning production-related cavities in and / or on the surface of a composition that are filled with air or other substances that are foreign to the composition.
  • the pores may be visible or unrecognizable to the naked eye.
  • they are open pores which communicate with the surrounding medium.
  • the void-rich asphalt base layer has a pore size of 0.1-5 mm, in particular 0.2-1 mm, and / or a pore volume of 5-90%, in particular 10-80%, preferably 20-40%.
  • Pore volume in the present document is understood to mean the proportion in percent of the total of the voids filled with air or other non-compositional substances in the volume of the foamed composition.
  • the thickness of the void-rich asphalt base course is 1 - 5 cm. It may also be advantageous if the void content of the cavity-rich asphalt base course, measured in the Marshall body at 120 ° C., is between 15 and 30% by volume.
  • a reaction resin mixture 4 is applied to the high-lumen asphalt carrying layer 3 from step (i).
  • the application of the reaction resin mixture during the cavity-rich Asphalttrag Anlagen a temperature of 30 ° C - 60 ° C, in particular 30 ° C - 40 ° C having.
  • the reactive resin mixture penetrates into the cavity-rich asphalt base layer 3 and leads to a seal, in particular to water, the cavity-rich asphalt base course 3 and to an adhesive bond of the cavity-rich asphalt base course 3 to the base structure 2 by the later curing of the reaction resin mixture.
  • the reaction resin mixture has a flowable consistency at room temperature and is typically applied to the void-rich asphalt base course 3 by brushing, spraying or glazing. It should be noted that the term “flowable” here will refer not only to liquid, but also to higher viscosity honey-like to pasty materials whose shape is adjusted under the influence of gravity.
  • the epoxy resin resin compositions are highly fluid, in particular having a viscosity of less than 10 ⁇ 00 mPas, preferably between 10 and 1 ⁇ 00 mPas, so that they can penetrate into the void-rich asphalt base course and possibly in the support structure 2.
  • Particularly preferred as two-component epoxy resin compositions are thin, two-component epoxy resin compositions, such as those sold under the trade name Sikafloor®, Sikagard® or Sika Ergodur® Sika Germany GmbH, or Sika Switzerland AG.
  • two-part epoxy resin compositions are flexibilized two-component epoxy resin compositions. This is advantageous in that the Reaction resin mixture can perform its Abichtungs- and composite function even under high mechanical loads.
  • step (iii) an adhesive 5 is applied to the hollow-rich asphalt base course 3 from step (i).
  • the application is preferably carried out by sprinkling the adhesive in the form of pellets.
  • the adhesive is applied in such a way that 0.5-1.5 kg / m 3 , in particular 0.8-1.2 kg / m 3 , of adhesive are applied to the surface of the high-void asphalt basecoat.
  • the adhesive is a solid at room temperature thermoplastic.
  • room temperature is understood to mean a temperature of 23 ° C.
  • the adhesive preferably has a melting point above 70 ° C., in particular between 100 ° C. and 180 ° C., preferably between 110 ° C. and 140 ° C. All melting points of polymers are understood in this document as softening points (softening point) measured by the Ring & Ball method according to DIN ISO 4625.
  • the adhesive comprises in particular polyolefins, in particular polyolefins, which can be prepared from the polymerization of ethylene with one or more unsaturated monomers.
  • unsaturated monomers are those monomers which are selected from the group consisting of propylene, butylene, butadiene, vinyl esters, in particular vinyl acetate, maleic anhydride, acrylic acid, methacrylic acid, acrylic esters and methacrylates.
  • polyolefins prepared from the polymerization of ethylene with one or more unsaturated monomers selected from the group consisting of vinyl esters, in particular vinyl acetate, maleic anhydride, acrylic acid, methacrylic acid, acrylic acid esters and methacrylic acid esters.
  • vinyl esters in particular vinyl acetate, maleic anhydride
  • acrylic acid methacrylic acid
  • acrylic acid esters and methacrylic acid esters.
  • the proportion of polyolefins 15- 60 wt .-%, in particular 20- 40 wt .-%, based on the total weight of the adhesive.
  • the adhesive comprises a chemical blowing agent and / or a physical blowing agent.
  • Chemical blowing agents are preferably organic or inorganic compounds which decompose under the influence of temperature, wherein at least one of the decomposition products is a gas.
  • physical blowing agents it is possible, for example, to use compounds which, on increasing the temperature, change into the gaseous state of aggregation.
  • the adhesive comprises a chemical blowing agent.
  • the adhesive is an epoxy
  • the proportion of the solid epoxy resin is preferably 1-10% by weight, in particular 2-5% by weight, based on the total weight of the adhesive. Further, it may be advantageous if the adhesive at least one
  • Resin This may be a natural resin or a synthetic resin.
  • resins are medium to high molecular weight compounds from the classes of paraffin, hydrocarbon resins, polyolefins, polyesters, polyethers, polyacrylates or amino resins.
  • the resin preferably has a melting point or softening point between 60 ° C and 140 ° C.
  • the resin is a hydrocarbon resin, especially an aliphatic hydrocarbon resin.
  • they are resins with an average molecular weight of 1000 - 3000 g / mol.
  • the proportion of the resins is preferably from 2 to 15% by weight, in particular from 5 to 12% by weight, based on the total weight of the adhesive.
  • adhesives are adhesives such as those sold under the trade name Sikalastic®-827 LT and Sikalastic®-827 HT by Sika für AG.
  • an inorganic litter 7 is applied to the hollow-rich asphalt base course 3 from step (i).
  • this step is subsequently carried out at step (ii).
  • this step is carried out before step (iii) or before step (iv), in particular before step (iii).
  • the inorganic bedding agent 7 is in particular sand, preferably quartz sand. In order to ensure a good bond between the bedding agent and the reaction resin mixture, it is advantageous if this bedding agent is sprinkled in before the reaction resin mixture hardens.
  • this inorganic bedding agent has a maximum particle size of less than 1 mm, in particular between 0.1 and 1 mm, preferably between 0.3 and 0.8 mm.
  • the amount of such litter is preferably such that the surface of the void-rich asphalt base course is not completely covered.
  • the method does not have a step (v) with an application of an inorganic litter 7 to the hollow-rich asphalt base course 3 from step (i).
  • this is advantageous in that it results in an increase in the bond strength, in particular the breaking load and the adhesive tensile strength, between the cavity-rich asphalt base layer cast with a reaction resin mixture and a bitumen-based top layer.
  • a covering layer 6 based on bitumen is applied.
  • This cover layer 6 represents the roadway which is in direct contact with vehicles.
  • the bitumen-based topcoat is heated prior to application to a temperature of typically 140 ° C to 160 ° C and preferably rolled by means of a roll.
  • the application of the cover layer is well known to the person skilled in the art and will therefore not be discussed further here.
  • the cover layer may have the other possible components known to those skilled in the art.
  • the person skilled in the art knows the nature and quantity of the constituents of bitumen-based compositions which are used for the construction of roadways. Particularly important here is the fact that the top layer usually to a significant extent mineral fillers, especially sand or grit have.
  • the adhesive 5 melts depending on its melting point or on. If it melts, this can-depending on the nature of the thermoplastics-form a substantially homogeneous adhesive layer or also dissolve in the bitumen near the surface and form an adhesive-containing boundary phase layer. Thus, it is well within the spirit of the present invention that the adhesive need not form an individual layer. If the adhesive contains a blowing agent, contacting the molten bitumen preferably leads to activation of the blowing agent.
  • the roadway construction thus produced has the significant advantage that a good bond, in particular with regard to breaking load and adhesive tensile strength, is ensured between the cavity-rich asphalt base course layer cast with a reaction resin mixture and the bitumen-based top layer.
  • the invention relates to a roadway structure according to the method described above.
  • the invention relates to the use of an adhesive as described above for increasing the adhesion, in particular the breaking load and the adhesive tensile strength, between a cavity-rich asphalt base layer cast on a reaction resin mixture on a support structure and a bitumen-based top layer.
  • the constituents required for this purpose in particular the adhesive, support structure, reaction resin mixture, asphalt base layer and bitumen-based top layer, have already been described in detail above.
  • Figure 1 shows a possible result of steps (i) and (ii).
  • the applied reaction resin mixture 4 is mostly located in the cavities of the asphalt base layer 3. On the surface of the asphalt base layer a contiguous area of reactive resin mixture is visible, which after curing of the reaction resin mixture can lead to an optically smooth area on the asphalt base layer.
  • FIG. 2 shows a possible result of steps (i) and (ii) as described above in FIG. 1, in which case additionally step (v) has been carried out.
  • Figure 3 shows a possible result of steps (i), (ii), (iii) and (iv).
  • the applied adhesive 5 leads to an improved adhesive bond of the asphalt base layer 3 with the cover layer 6.
  • Figure 4 shows a possible result of the steps in the order (i), (v), (ii) (iii) and (iv).
  • the applied adhesive 5 leads to an improved adhesive bond of the asphalt base layer 3 with the cover layer 6.
  • Reaction resin mixture (RH): STATIFLEX®-EP (Strabag).
  • quartz sand 2/5 mm was subsequently applied. Thirty-six hours later, a bitumen-based topping was applied to the surface of the asphalt base course comprising the quartz sand.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'une structure de chaussée (1) comprenant les étapes consistant à (i) appliquer une couche d'asphalte (3) à nombreux pores sur une structure porteuse (2), en particulier appliquer une couche d'asphalte (3) à nombreux pores sur une structure en béton (2); (ii) appliquer un mélange réactionnel de résines (4) sur la couche d'asphalte (3) à nombreux pores de l'étape (i); (iii) appliquer un agent adhésif (5) sur la couche d'asphalte (3) à nombreux pores de l'étape (i), cet agent adhésif étant un thermoplastique solide à température ambiante, et (iv) appliquer une couche de finition (6) à base de bitume.
EP13730272.5A 2012-07-11 2013-06-21 Structure de chaussée et son procédé de fabrication Withdrawn EP2885459A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13730272.5A EP2885459A1 (fr) 2012-07-11 2013-06-21 Structure de chaussée et son procédé de fabrication

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12175989.8A EP2685001A1 (fr) 2012-07-11 2012-07-11 Rêvetement de chaussée et procédé pour son obtention
PCT/EP2013/063047 WO2014009132A1 (fr) 2012-07-11 2013-06-21 Structure de chaussée et son procédé de fabrication
EP13730272.5A EP2885459A1 (fr) 2012-07-11 2013-06-21 Structure de chaussée et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP2885459A1 true EP2885459A1 (fr) 2015-06-24

Family

ID=48669988

Family Applications (2)

Application Number Title Priority Date Filing Date
EP12175989.8A Withdrawn EP2685001A1 (fr) 2012-07-11 2012-07-11 Rêvetement de chaussée et procédé pour son obtention
EP13730272.5A Withdrawn EP2885459A1 (fr) 2012-07-11 2013-06-21 Structure de chaussée et son procédé de fabrication

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP12175989.8A Withdrawn EP2685001A1 (fr) 2012-07-11 2012-07-11 Rêvetement de chaussée et procédé pour son obtention

Country Status (4)

Country Link
US (1) US20150197896A1 (fr)
EP (2) EP2685001A1 (fr)
CN (1) CN104685128A (fr)
WO (1) WO2014009132A1 (fr)

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EP3095915B1 (fr) * 2015-05-20 2019-01-16 Sika Technology AG Application d'un treillis pour construction de bande de roulement dotée de propriétés adhésives améliorées
CN105672080B (zh) * 2016-01-22 2017-03-15 交通运输部公路科学研究所 一种抗车辙路面结构及其铺设方法
CN106854846A (zh) * 2017-01-22 2017-06-16 青海省交通科学研究院 一种具有自动融雪功能的路面结构及其修筑方法
CN108705653B (zh) * 2018-07-24 2021-12-03 辽宁科技大学 一种路面板制作设备及该设备制作复合块料路面板的方法
CN110205894A (zh) * 2019-06-05 2019-09-06 中交一公局第三工程有限公司 钢桥面板铺装下层的施工方法
CN117408928B (zh) * 2023-12-15 2024-03-01 安徽省交通规划设计研究总院股份有限公司 基于图像处理的透水混凝土路面结构确定方法

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Also Published As

Publication number Publication date
WO2014009132A1 (fr) 2014-01-16
US20150197896A1 (en) 2015-07-16
CN104685128A (zh) 2015-06-03
EP2685001A1 (fr) 2014-01-15

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