EP2458109A1 - Couvrage d' une drainage - Google Patents

Couvrage d' une drainage Download PDF

Info

Publication number
EP2458109A1
EP2458109A1 EP11190764A EP11190764A EP2458109A1 EP 2458109 A1 EP2458109 A1 EP 2458109A1 EP 11190764 A EP11190764 A EP 11190764A EP 11190764 A EP11190764 A EP 11190764A EP 2458109 A1 EP2458109 A1 EP 2458109A1
Authority
EP
European Patent Office
Prior art keywords
layer
cover
mesh fabric
mortar
drainage
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
EP11190764A
Other languages
German (de)
English (en)
Other versions
EP2458109B1 (fr
Inventor
Walter Gutjahr
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.)
Ardex Anlagen GmbH
Original Assignee
Ardex Anlagen 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 Ardex Anlagen GmbH filed Critical Ardex Anlagen GmbH
Publication of EP2458109A1 publication Critical patent/EP2458109A1/fr
Application granted granted Critical
Publication of EP2458109B1 publication Critical patent/EP2458109B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring
    • E04F15/183—Underlayers coated with adhesive or mortar to receive the flooring for areas prone to frost damage, e.g. for balconies or terraces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/186—Underlayers covered with a mesh or the like

Definitions

  • the invention relates to a cover for a drainage layer that removes water in a floor covering arrangement, the cover having a water-permeable cover layer and a mesh fabric.
  • the mortar layer can be, for example, a thin-bed mortar or an adhesive mortar.
  • mortar layers with coarse-grained components can also be used.
  • the mortar layer causes the individual surface covering elements are permanently fixed to the mortar layer.
  • the mortar layer produces a composite effect which, with increasing thickness of the mortar layer, transfers a selective application of force to laterally adjacent regions and effects a correspondingly improved mechanical load-bearing capacity of the surface covering elements.
  • a drainage of the floor covering is necessary to prevent damage caused by waterlogging and frost.
  • the drainage layer can for example consist of a gravel or split layer. It is also known to use dimpled sheets or drainage mats with a textured surface or with drainage channels as a drainage layer.
  • the drainage layer is usually provided with a cover.
  • a cover known from practice is, for example, a geotextile fleece.
  • the geotextile nonwoven webs conventionally used for this purpose often have a basis weight of from 150 g / m 2 to 200 g / m 3 or more in order to ensure sufficient mechanical strength and to prevent the geotextile from being damaged in the manufacture of the flooring arrangement or perforated.
  • the geotextile fleece also acts as a filter and prevents larger particles from penetrating the geotextile fleece.
  • a mesh fabric on the drainage layer instead of a geotextile nonwoven.
  • the mesh reinforces the layer of mortar disposed thereon or surrounding the mesh, and provides a reinforcement that creates a composite effect over multiple surface covering elements.
  • the mesh fabric may retain larger mortar components depending on the mesh size, a mesh fabric is typically not suitable for protecting an underlying drainage layer from penetrating mortar material.
  • fine-grained mortar components penetrate the mesh fabric almost unhindered and could accumulate in the drainage layer, the drainage effect is significantly impaired.
  • a combination of a mesh fabric with a geotextile nonwoven wherein the mesh fabric serves as reinforcement of the mortar layer and the geotextile nonwoven open between them is embedded from below and above in the mortar.
  • Geotextiles are used as protective cover for the drainage layer. A gradual sintering, or condensation or constipation of the geotextile fleece by particles dissolved out of the mortar layer and in particular by leached limestone often sets in with such a combination. The permeability for leachate is then greatly reduced.
  • cover layer is connected to the mesh fabric and is chemically decomposable in alkaline ambient conditions.
  • a cover layer in alkaline ambient conditions is chemically decomposable, or by alkaline water decomposable and degradable when the cover layer is attacked in an aqueous alkaline solution and at least partially dissolved after a few months at the latest.
  • the aqueous alkaline solution should advantageously have a pH of more than 8, preferably a pH of more than 10 or 11, so that alkaline ambient conditions are present.
  • the covering layer according to the invention is gradually decomposed and at least small cracks or holes are formed, which can improve and permanently ensure the water permeability of the covering layer.
  • the leached from the mortar layer material can then be removed with the leachate through these openings in the cover layer through.
  • the leachate penetrating the mortar layer dissolves water-soluble constituents of the mortar layer, such as lime, from the cement of the mortar layer, so that alkaline ambient conditions quickly form in the area of the covering layer. Therefore, the alkaline degradable covering layer dissolves over time, so that penetrating moisture and leachate, together with dissolved particles and constituents of the mortar layer including, for example, small grains, can freely escape from the mortar layer and be discharged through the drainage layer.
  • the alkaline degradable covering layer forms a mechanical barrier which reliably prevents the penetration of mortar into the underlying drainage layer.
  • the covering layer has a basis weight of less than 100 g / m 2 and preferably less than 50 g / m 2 .
  • the covering layer is very light and consequently also very thin in order to be attacked and dissolved as quickly as possible in the alkaline environmental conditions which form.
  • the cover layer expediently has a small thickness of less than 500 ⁇ m, preferably less than 250 ⁇ m.
  • the mesh fabric can ensure sufficient mechanical strength.
  • the thin covering layer only has to be sufficiently tear-resistant in order to be able to withstand the application of the mortar layer and its subsequent hardening.
  • the mesh fabric can be connected to the cover layer on a side facing the drainage layer or else on a side facing the mortar layer. In order to produce the composite effect associated with additional advantages and to enable a higher strength and mechanical strength of the mortar layer, it is provided that the mesh fabric is preferably connected to the covering layer on the side facing the mortar layer.
  • the mesh fabric is suitably made of a mechanically strong enough material.
  • the mesh fabric can be made of an alkali resistant material and can retain its original strength and structure over a long period of time.
  • the mesh fabric is laminated on the cover layer, or on the nonwoven.
  • the cover layer and the mesh fabric connected thereto form a flexible cover in most cases, which can be produced, for example, in the form of a web and rolled up and transported.
  • By the connection of the cover layer with the mesh fabric easy handling and rapid laying of the cover on the drainage layer is facilitated.
  • the cover layer is a fiber composite of alkaline degradable fibers. This may be, for example, a fabric, a scrim or a knit.
  • a particularly simple and cost-effective production of the covering layer is made possible in that the covering layer is a fleece.
  • an alkaline-degradable glass fleece allows a cost-effective production of the cover and at the same time can ensure a sufficiently rapid decomposition of the cover layer, so that cracks and holes arise due to the increasing decomposition of the glass fleece.
  • the moisture and the leachate from the mortar layer can pass almost unhindered into the drainage layer without dissolved and entrained particles could clog the cover layer or the glass fleece, or the cracks and holes forming.
  • Suitable glass nonwovens are already available from other fields of application known and commercially available with suitable properties.
  • the in the Fig. 1 to 4 Cover shown by way of example, consists of a fleece 2 which is made of an alkaline degradable material or material composite, and of a mesh fabric 3 arranged thereon.
  • the mesh fabric 3 is laminated onto the fleece 2.
  • the fleece 2 and the mesh fabric 3 form a flexible structure that can be produced in web form and stored on wheels and transported.
  • the mesh fabric 3 has a mesh size of about one millimeter or a few millimeters.
  • the Mesh size can be almost arbitrarily set depending on the expected mechanical load of the cover 1 during laying and depending on the desired composite effect to be generated by the mesh fabric 3, and be in the range of less than one millimeter or, for example, one centimeter or more.
  • the mesh fabric 3 is a glass mesh fabric. However, other materials or fibers are conceivable and suitable, from which the mesh fabric 3 can be produced.
  • the fleece 2 is an alkaline degradable or decomposing in alkaline environmental conditions glass fleece.
  • the nonwoven is about 0.2 mm thick and has a basis weight between 20 and 40 g / m 2 .
  • the fleece 2 is laminated onto the mesh fabric 3 and forms a stable composite at least immediately after production, the mechanical strength of which is predetermined essentially by the properties of the mesh fabric 3.
  • the cover 1 is laid on a drainage layer 4, which is formed by a loose gravel pile.
  • the cover 1 is arranged on the drainage layer 4 so that the nonwoven 2 faces the drainage layer 4.
  • a mortar layer 5 is arranged on which in turn spaced floor tiles 6 are laid.
  • the floor tiles 6 form a walkable surface covering.
  • the mortar layer 5 penetrates partially through the mesh fabric 3 and during the application of the liquid or pasty mortar material retained by the nonwoven layer 2, so that the mortar layer 5 can not penetrate into the underlying drainage layer 4. Since the mortar layer 5 surrounds the mesh fabric 3, the mesh fabric 3 forms a reinforcement and reinforcement of the mortar layer 5.
  • the alkaline degradable nonwoven fabric 2 is gradually decomposed by the alkaline load, which is promoted and reinforced by penetrating moisture and leachate. After some time, cracks and holes 7 form in the nonwoven fabric 2. Moisture and seepage water penetrating from above and penetrating the mortar layer 5 and dissolving away and transporting water-soluble components can pass through the cracks and holes 7 in the nonwoven 2 largely unhindered into the drainage layer 4 flow and be discharged there. In this way, an effective drainage of the mortar layer 5 and the floor tiles 6 disposed thereon is ensured by the drainage layer 4 over a long period of time.
  • the drainage layer 4 may be, for example, gravel or chip layers, as is also shown by way of example in FIGS 3 and 4 is shown.
  • the drainage layer 4 can also be a plastic film with a structured surface or, for example, a dimpled sheet, which has cavities and channels for removing infiltrating leachate.
  • the cover layer advantageously forms a flexible sheet together with the mesh fabric 3 connected thereto. It can in individual cases, however, too be convenient to make the mesh fabric 3 or the cover rigid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Floor Finish (AREA)
  • Laminated Bodies (AREA)
EP11190764.8A 2010-11-25 2011-11-25 Revêtement d'une couche de drainage Active EP2458109B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010012991U DE202010012991U1 (de) 2010-11-25 2010-11-25 Abdeckung für eine wasserabführende Drainageschicht

Publications (2)

Publication Number Publication Date
EP2458109A1 true EP2458109A1 (fr) 2012-05-30
EP2458109B1 EP2458109B1 (fr) 2016-10-12

Family

ID=45002825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11190764.8A Active EP2458109B1 (fr) 2010-11-25 2011-11-25 Revêtement d'une couche de drainage

Country Status (2)

Country Link
EP (1) EP2458109B1 (fr)
DE (1) DE202010012991U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452514A (zh) * 2013-09-16 2015-03-25 王晓宇 一种通过降解形成装饰性排水通道的方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100361A1 (de) * 2013-01-15 2014-07-17 Sandro Thronicke Zwischenschicht für eine Belagskonstruktion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400650U1 (de) * 1994-01-15 1994-03-17 Radtke, Johannes, 47447 Moers Verbundmatte, insbesondere für den Fels-, Böschungs- und Deponiebau
DE29622129U1 (de) * 1996-12-21 1997-04-30 Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen Neue Estrichunterlage
DE202005009301U1 (de) * 2005-06-13 2006-10-19 Gutjahr, Walter Drainagematerial für die Flächendrainierung von Boden-Belägen
EP2148022A2 (fr) * 2008-07-25 2010-01-27 Walter Gutjahr Procédé de fabrication de revêtements de plaque et de matériaux d'aération et/ou de drainage pour l'exécution du procédé

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29522227U1 (de) * 1995-03-02 2000-10-12 Gutjahr, Walter, 64404 Bickenbach Gefälle-System für Balkontragplatten
DE19828340A1 (de) * 1998-06-25 1999-12-30 Heidelberger Zement Ag Betonzuschlagstoffe zur Vorbeugung gegen schädigende Alkalireaktionen in Beton
DE202005004127U1 (de) * 2005-03-11 2006-05-24 Interplast Kunststoffe Gmbh Trägerplatte aus folienartigem Kunststoff

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9400650U1 (de) * 1994-01-15 1994-03-17 Radtke, Johannes, 47447 Moers Verbundmatte, insbesondere für den Fels-, Böschungs- und Deponiebau
DE29622129U1 (de) * 1996-12-21 1997-04-30 Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen Neue Estrichunterlage
DE202005009301U1 (de) * 2005-06-13 2006-10-19 Gutjahr, Walter Drainagematerial für die Flächendrainierung von Boden-Belägen
EP2148022A2 (fr) * 2008-07-25 2010-01-27 Walter Gutjahr Procédé de fabrication de revêtements de plaque et de matériaux d'aération et/ou de drainage pour l'exécution du procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452514A (zh) * 2013-09-16 2015-03-25 王晓宇 一种通过降解形成装饰性排水通道的方法

Also Published As

Publication number Publication date
EP2458109B1 (fr) 2016-10-12
DE202010012991U1 (de) 2012-02-27

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