EP1693517B1 - Système de couche de renforcement - Google Patents

Système de couche de renforcement Download PDF

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Publication number
EP1693517B1
EP1693517B1 EP06003207A EP06003207A EP1693517B1 EP 1693517 B1 EP1693517 B1 EP 1693517B1 EP 06003207 A EP06003207 A EP 06003207A EP 06003207 A EP06003207 A EP 06003207A EP 1693517 B1 EP1693517 B1 EP 1693517B1
Authority
EP
European Patent Office
Prior art keywords
reinforcing layer
layer system
reinforcing
asphalt
sheet
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.)
Revoked
Application number
EP06003207A
Other languages
German (de)
English (en)
Other versions
EP1693517A3 (fr
EP1693517A2 (fr
Inventor
Warnfried Baumann
Martin Schön
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.)
Rehau Automotive SE and Co KG
Original Assignee
Rehau AG and Co
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36521621&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1693517(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rehau AG and Co filed Critical Rehau AG and Co
Priority to PL06003207T priority Critical patent/PL1693517T3/pl
Publication of EP1693517A2 publication Critical patent/EP1693517A2/fr
Publication of EP1693517A3 publication Critical patent/EP1693517A3/fr
Application granted granted Critical
Publication of EP1693517B1 publication Critical patent/EP1693517B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01C11/00—Details of pavings
    • E01C11/16—Reinforcements
    • E01C11/165—Reinforcements particularly for bituminous or rubber- or plastic-bound pavings

Definitions

  • the invention relates to a reinforcing layer system for planar protection, introduced between a substrate and an asphalt layer, with a reinforcing layer, which has a reinforcement matrix with a plurality of intermediate free spaces, for receiving stresses occurring in the substrate and / or the asphalt layer, and with at least one directly adjacent to the reinforcing layer surface element.
  • a reinforcing layer system of the type mentioned is known from the EP 0413295 A1 , There is given as a surface element, a component of a two-component composite.
  • the surface element prevents the penetration of water as well as organic and inorganic components.
  • reinforcing layer systems can be found in the EP 1158098 B1 , of the DE 19812475 A1 , of the EP 0956392 B1 and the DE 19543991 A1 ,
  • a fabric for reinforcing structures in particular in road construction known, which consists of a mesh fabric, wherein the mesh fabric is bonded to a nonwoven.
  • the reinforcing layer system after the EP 0413295 A1 has the disadvantage that the surface element complicates a toothing of the material of the substrate on the one hand with the material of the asphalt layer on the other hand at the level of the reinforcing layer system. A lateral displacement of the asphalt layer relative to the base in the plane of the reinforcing layer system is therefore not excluded and the power transmission between the layers is disturbed.
  • Improved gearing can be achieved by a reinforcement that allows mass transfer between the layers adjacent to the reinforcing layer system through the plane of the reinforcement, e.g. B. by gaps or openings, allows.
  • corresponding reinforcing layer systems have the disadvantage that it is not possible to drive the reinforcing layer systems in the production of the asphalt layer with vehicles, without this undesirable material is forced through the reinforcing layer system from bottom to top.
  • Such undesirable pushed through material can, for. B. adhere to the tires of the vehicles and in the worst case lead to the armor layer system is at least partially deducted from the surface and taken unwanted from the vehicle.
  • This object is achieved by a reinforcing layer system in which the surface element is designed such that it temporarily stops after placing on the pad a held by the reinforcing layer system mass transfer and due to a required for the production of the asphalt layer heating of this decomposed releasing at least a portion of the free spaces.
  • a water-vapor-permeable sheet member according to the present invention prevents unwanted water vapor bubbles from forming under the reinforcing layer system due to the heating in the application of the asphalt layer when the reinforcing layer system is applied to the substrate.
  • the water vapor permeability can be made possible in particular by a perforation of the surface element. Such a perforation, which may already be due to production, means that the function of preventing a mass transfer by the reinforcing layer system with respect to the passability by construction vehicles remains ensured. However, it is also within the scope of the invention that the perforation is subsequently introduced into the surface element.
  • the reinforcing layer system can universally be applied wherever a surface securing between a base and an asphalt layer is required. Such applications are general traffic areas, road construction, landfill construction, dike construction, airport construction or the production of flat roofs.
  • the reinforcing matrix may alternatively be designed as a grid or as a random array.
  • the reinforcing layer may be made of organic and / or inorganic fibers such as glass fibers, basalt fibers, carbon fibers or polymeric fibers. However, it is also within the scope of the invention that the reinforcing layer is made of mixtures of these different types of fibers.
  • a bituminous coating of the reinforcing layer and / or of the surface element improves the adhesion of the reinforcing layer system to the adjacent layers in a preferred embodiment.
  • the surface element can be designed as a film layer.
  • a film material is PE, in particular LDPE.
  • the film layer may be uniaxially or biaxially stretched to increase its stiffness.
  • the surface element may alternatively be formed as a fiber layer.
  • the fibrous layer may be in the form of ribbons, slivers, textured fibers and the like or as a non-woven.
  • the surface element may have a basis weight in the range of 10 and 90 g / m 2 . Such a basis weight has been found to be sufficient to achieve the barrier effect. In addition, such a surface element decomposes relatively quickly, since only a small volume has to be warmed up.
  • an in Fig. 1 Armor layer system 1 shown in perspective serves to secure an asphalt surface between a substrate and an asphalt layer, in particular to prevent or reduce the formation of cracks in the asphalt surface.
  • a reinforcing layer system 1 for securing an asphalt sealing layer for example, can be used in landfill or dyke construction.
  • the reinforcing layer system 1 has a grid, which in the embodiment of the Fig. 1 to 3 made of glass fibers 3 is made.
  • the reinforcing layer 2 can also be made as a reinforcing grid of basalt, carbon or polymeric fibers. Due to its network structure, the reinforcing layer 2 represents a reinforcing matrix with a multiplicity of rectangular free spaces 4.
  • the mesh width of the mesh is in particular greater than 10 mm and preferably in the region of 30 mm.
  • the reinforcing layer 2 takes in the secured by the reinforcing layer system 1 asphalt pavement tensions, z. B. by environmental influences or by load application, and carries this over a larger area again.
  • the reinforcing layer 2 directly adjoins a surface element 5.
  • the surface element 5 is designed as a polyethylene (PE) film layer with a basis weight of about 25 g / m 2 . Also, a higher basis weight to, for example, 90 g / m 2 is possible.
  • the surface element 5 is connected to the reinforcing layer 2, in this embodiment, this is glued.
  • the PE film layer may be uniaxially or biaxially stretched to increase rigidity.
  • Both the reinforcing layer 2, so in the case of the execution of the Fig. 1 to 3 the individual glass fibers 3 and the surface element 5 can be protected against water absorption and be provided, for example, with a bitumenaffinen coating.
  • This may be a bitumen emulsion to which additives have been added.
  • the surface element 5 is designed to be permeable to water vapor. This is ensured by a corresponding perforation, which is not shown in the drawing, which, for example, production-related already exists, but can also be introduced later.
  • the surface element 5 can also be placed so that it comes to rest over the reinforcing layer 2.
  • the surface element 5 of the reinforcement layer system 1 applied to the substrate temporarily inhibits a mass transfer taking place through the reinforcement layer system 1.
  • the reinforcing layer system 1 adheres to the substrate by means of a Anspritzstoffs which has been applied before placing the reinforcing layer system 1 on the substrate.
  • the injection-molding agent for example, a bitumen emulsion can not initially penetrate the applied reinforcing layer system 1, since the surface element 5 prevents this.
  • the reinforcing layer system 1 can therefore z. B. road vehicles are easily run over without the Anspritzstoff undesirably comes into contact with the vehicle tires.
  • the reinforcing layer system 1 is heated to temperatures in the range between 130 and 160 ° C. These temperatures are above the melting point of the surface element 5, which therefore melts. In the area of the free spaces 4, therefore, breakthroughs 6 occur (cf. Fig. 3 ). As a result, the free spaces 4 are released, so that after application of the asphalt layer, a mass transfer through the reinforcing layer system 1 is possible therethrough.
  • the asphalt layer on the one hand and the substrate on the other hand can therefore intermesh well with the reinforcing layer 2 of the reinforcing layer system 1. This effectively prevents a lateral displacement of the asphalt layer relative to the substrate in the plane predetermined by the reinforcing layer system 1.
  • the water vapor permeability of the surface element 5 causes water components of the Anspritzschs before the application of the asphalt layer can volatilize through the reinforcing layer system 1.
  • the formation of disturbing water vapor bubbles under the reinforcing layer system 1 during application of the asphalt layer is thereby effectively prevented.
  • the surface element 5 may alternatively be formed as a fiber layer of fiber structures, which either have only very small or no gaps to each other, so that a mass transfer by the reinforcing layer system 1 is initially prevented by such a fiber layer.
  • fiber structures are called ribbon, sliver, and textured fibers. These fibers can also be made of PE or LDPE.
  • Another embodiment of the fiber structures are nonwovens having a basis weight of about 10 g / m to about 90 g / m of polyolefins such as polyethylene and / or polypropylene.
  • Such a fiber layer may also be bonded to the reinforcing layer 2.
  • a connection of the two layers 2, 5 in the case of a fiber layer as a surface element 5 by knitting, weaving, welding, needling or sewing is possible.
  • a surface element 5 may alternatively serve a bitumen layer.
  • a surface element made of a material which decomposes in another way under the action of heat, for. B. dissolves or releases the free spaces 4 at least partially as a result of a chemical reaction.
  • two surface element layers are provided which cover the reinforcing layer 2 on both sides. Upon heating of such a two-ply surface element, for example of two webs during the application of the asphalt layer, this also releases the free spaces 4 through a melting or dissolution process.
  • the 4 to 6 show a further embodiment of a reinforcing layer system 1, this also serves to secure a road surface between an asphalt layer on a substrate, in particular for preventing or reducing cracking in the asphalt layer.
  • a reinforcing layer system 1 can be used for securing an asphalt sealing layer, for example in landfill or dyke construction or in airport construction.
  • the reinforcing layer system according to 4 to 6 is only described in more detail where its structure or its production and installation differ from what is above in connection with the Fig. 1 to 3
  • the reinforcing layer system according to the 4 to 6 has a reinforcing layer 7, which is designed as a tangle.
  • Single fibers 8 of the reinforcing layer 7 are glass fibers.
  • also basalt, carbon and / or polymeric fibers may be used.
  • the surface density of the reinforcing layer 7 is chosen so that macroscopic free spaces 9 remain between the individual fibers 8. These clearances 9 are in the application of the asphalt layer on the applied reinforcing layer system 1 after 4 to 6 released due to the heat-related melting or dissolution of the surface element 5. Here are formed in the surface element 5 openings 10, as in Fig. 6 shown.

Landscapes

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

Claims (8)

  1. Système de couche de renforcement (1) pour une fixation à plat, incorporé entre un subjectile et une couche d'asphalte,
    - comprenant une couche de renforcement (2 ; 7) qui présente une matrice de renforcement avec une pluralité d'espaces fibres intermédiaires (4 ; 9), pour recevoir des contraintes se produisant dans le subjectile et/ou dans la couche d'asphalte,
    - comprenant au moins un élément de surface (5) directement adjacent à la couche de renforcement (2 ; 7), l'élément de surface (5) étant configuré de telle sorte qu'il empêche essentiellement un échange de matière se produisant après l'application sur le subjectile du fait du système de couche de renforcement (1), et qu'il se désagrège de celui-ci du fait d'un réchauffement nécessaire pour la production de la couche d'asphalte, en libérant au moins une partie des espaces libres (4 ; 9),
    caractérisé en ce que l'élément de surface (5) est réalisé de manière perméable à la vapeur d'eau.
  2. Système de couche de renforcement selon la revendication 1, caractérisé par un réseau grillagé (3) en tant que matrice de renforcement.
  3. Système de couche de renforcement selon la revendication 1, caractérisé par un canevas enchevêtré (8) en tant que matrice de renforcement.
  4. Système de couche de renforcement selon l'une quelconque des revendications 1 à 3, caractérisé par une couche de renforcement (2 ; 7) présentant des fibres de verre et/ou des fibres de basalte et/ou des fibres polymères et/ou des fibres de carbone.
  5. Système de couche de renforcement selon l'une quelconque des revendications 1 à 4, caractérisé par un revêtement ayant une affinité pour le bitume de la couche de renforcement (2 ; 7) et/ou de l'élément de surface (5).
  6. Système de couche de renforcement selon l'une quelconque des revendications 1 à 5, caractérisé par une couche de film en tant qu'élément de surface (5).
  7. Système de couche de renforcement selon l'une quelconque des revendications 1 à 5, caractérisé par une couche de fibre en tant qu'élément de surface (5).
  8. Système de couche de renforcement selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'élément de surface (5) présente un poids surfacique de l'ordre de 10 à 90 g/m2.
EP06003207A 2005-02-22 2006-02-17 Système de couche de renforcement Revoked EP1693517B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06003207T PL1693517T3 (pl) 2005-02-22 2006-02-17 Warstwowy system zbrojeniowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005007947A DE102005007947A1 (de) 2005-02-22 2005-02-22 Armierungs-Schichtsystem

Publications (3)

Publication Number Publication Date
EP1693517A2 EP1693517A2 (fr) 2006-08-23
EP1693517A3 EP1693517A3 (fr) 2007-04-11
EP1693517B1 true EP1693517B1 (fr) 2012-05-30

Family

ID=36521621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06003207A Revoked EP1693517B1 (fr) 2005-02-22 2006-02-17 Système de couche de renforcement

Country Status (3)

Country Link
EP (1) EP1693517B1 (fr)
DE (1) DE102005007947A1 (fr)
PL (1) PL1693517T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8038364B2 (en) 2007-08-07 2011-10-18 Saint-Gobain Technical Fabrics America, Inc. Reinforcement for asphaltic paving, method of paving, and process for making a grid with the coating for asphaltic paving
US8349431B2 (en) 2007-08-07 2013-01-08 Saint-Gobain Adfors America, Inc. Composite grid with tack film for asphaltic paving, method of paving, and process for making a composite grid with tack film for asphaltic paving
EP2909031B1 (fr) 2012-10-19 2017-09-13 Saint-Gobain ADFORS Canada, Ltd. Film collant composite
FR3097572B1 (fr) * 2019-06-24 2022-06-10 6 D Solutions Renfort a fibres longues conçu pour le renforcement de revetement bitumineux de chaussees routieres, et procede de fabrication d’un revetement bitumineux de chaussees routieres utilisant un tel renfort
DE102019132849B4 (de) 2019-12-03 2023-11-23 Naue Gmbh & Co. Kg Sandwich-Geokunststoffbahn mit verriegelnder Vernadelung
WO2023126232A1 (fr) * 2022-01-03 2023-07-06 Nv Bekaert Sa Renfort de construction avec substrat fusible

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790127A (en) * 1972-11-03 1974-02-05 Vapor Corp Hydraulic valve
DE8010372U1 (fr) * 1980-04-16 1987-10-22 Steuerungstechnik Staiger Gmbh & Co Produktions-Vertriebs-Kg, 7121 Erligheim, De
DE3926991A1 (de) 1989-08-16 1991-02-28 Hoechst Ag Geotextil fuer die bewehrung von asphaltschichten
FR2710352B3 (fr) * 1993-09-23 1995-07-28 Chomarat & Cie Matériau complexe pour le renforcement de chaussées en bitume notamment.
DE19543991A1 (de) * 1995-11-25 1997-05-28 Synteen Gewebetechnik Gmbh Gewebe zur Armierung von Strukturen
DE19652584A1 (de) 1996-12-17 1998-06-18 Huesker Synthetic Gmbh & Co Textiles Gitter zum Bewehren bitumengebundener Schichten
DE19812475A1 (de) 1998-03-23 1999-10-07 Lueckenhaus Tech Textilien Gmb Gittergewebe
US7207744B2 (en) * 2001-02-28 2007-04-24 Owens Corning Fiberglas Technology, Inc. Mats for use in paved surfaces

Also Published As

Publication number Publication date
PL1693517T3 (pl) 2012-10-31
EP1693517A3 (fr) 2007-04-11
DE102005007947A1 (de) 2006-09-14
EP1693517A2 (fr) 2006-08-23

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