EP0671510A1 - Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode - Google Patents

Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode Download PDF

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Publication number
EP0671510A1
EP0671510A1 EP94890056A EP94890056A EP0671510A1 EP 0671510 A1 EP0671510 A1 EP 0671510A1 EP 94890056 A EP94890056 A EP 94890056A EP 94890056 A EP94890056 A EP 94890056A EP 0671510 A1 EP0671510 A1 EP 0671510A1
Authority
EP
European Patent Office
Prior art keywords
layer
bentonite
layers
moisture
point
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Withdrawn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
EP94890056A
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German (de)
English (en)
Inventor
Rudolf G. Hofinger
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.)
Individual
Original Assignee
Individual
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
Priority to AT0096591A priority Critical patent/AT398284B/de
Application filed by Individual filed Critical Individual
Priority to EP94890056A priority patent/EP0671510A1/fr
Publication of EP0671510A1 publication Critical patent/EP0671510A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/004—Sealing liners

Definitions

  • the present invention relates to a method for producing a sealing mat with two layers that are permeable to the passage of moisture, which are connected to one another point by point and between which there is a layer of bentonite.
  • Such mats which are known from EP-A1 278 419 and EP-A1 445 788, consist of two porous layers made of fabric materials which are interconnected, e.g. are connected by multiple needling, a layer of bentonite being located between these two layers. When moisture enters, the bentonite between the two layers swells, ensuring a seal against the passage of moisture.
  • Such mats are e.g. arranged in separating joints between two concrete bodies, which are thereby sealed against the passage of liquid.
  • the object of the invention is therefore to improve such a known sealing mat in such a way that the risk of reducing the seal guaranteed by the bentonite layer is prevented.
  • a coating of material which is impervious to moisture or liquid, such as rubber or plastic or a mixture thereof, is applied to the outside of at least one of the layers. If only one sided Coating is applied, this prevents contaminated liquid from penetrating into the sealing mat from one side, which causes a reduction in the sealing effect of the bentonite layer. In contrast, liquid can pass through the other layer, whereby the intermediate layer of bentonite is activated, that is, the bentonite swells so that the desired sealing function is ensured by this.
  • the multiple point-to-point connection of the two layers to one another is necessary to ensure that the bentonite intermediate layer is retained over the surface of the layer, regardless of the position of the sealing mat. In other words, this makes it possible to arrange such mats in vertical positions without the bentonite sinking into the lower area of the mat.
  • Such a sealing mat consists of two layers 1 and 2 located at a short distance from one another, which are made, for example, of porous fabric materials, such as nonwoven or the like, and which are interconnected by multiple needling, by fibers or the like. are connected at points. Between these two layers 1, 2 there is a layer 3 made of bentonite. As soon as moisture or liquid enters the interior of the mat, the bentonite located between the two layers 1 and 2 swells to such an extent that it prevents any moisture from passing through a joint, for example between two concrete bodies, in which the sealing mat is arranged prevented.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Revetment (AREA)
  • Processing Of Solid Wastes (AREA)
EP94890056A 1991-05-10 1994-03-11 Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode Withdrawn EP0671510A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT0096591A AT398284B (de) 1991-05-10 1991-05-10 Verfahren zur herstellung einer dichtungsmatte sowie nach diesem verfahren hergestellte dichtungsmatte
EP94890056A EP0671510A1 (fr) 1991-05-10 1994-03-11 Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0096591A AT398284B (de) 1991-05-10 1991-05-10 Verfahren zur herstellung einer dichtungsmatte sowie nach diesem verfahren hergestellte dichtungsmatte
EP94890056A EP0671510A1 (fr) 1991-05-10 1994-03-11 Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode

Publications (1)

Publication Number Publication Date
EP0671510A1 true EP0671510A1 (fr) 1995-09-13

Family

ID=25594459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94890056A Withdrawn EP0671510A1 (fr) 1991-05-10 1994-03-11 Méthode de fabrication d'un revêtement imperméable et revêtement imperméable fabriqué par ce méthode

Country Status (2)

Country Link
EP (1) EP0671510A1 (fr)
AT (1) AT398284B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0742321A1 (fr) * 1995-05-08 1996-11-13 Claymax Corporation Revêtement en argile avec de faible perméabilité et sa méthode de fabrication
US5776547A (en) * 1995-05-08 1998-07-07 Claymax Corporation Low permeability geosynthetic clay liner and method of manufacture thereof
EP2299005A1 (fr) * 2009-09-21 2011-03-23 Sika Technology AG Membrane étanche à l'eau
CN108534156A (zh) * 2018-05-15 2018-09-14 深圳市环境工程科学技术中心有限公司 垃圾填埋场填埋密闭臭气处理系统及其处理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2275592A1 (fr) * 1974-06-20 1976-01-16 Butyl Products Ltd Procede et produit pour le revetement de cours d'eau ou de reservoirs
EP0292941A2 (fr) * 1987-05-27 1988-11-30 Dyckerhoff & Widmann Aktiengesellschaft Agencement pour retenir les éléments nocifs des eaux d'infiltration polluées d'une décharge de déchets par une couche d'étanchéité minérale et procédé de fabrication de ladite couche
EP0443567A1 (fr) * 1990-02-23 1991-08-28 Jean-Frank Wagner Couche d'étanchéité de base pour décharge de déchets
EP0449182A2 (fr) * 1990-03-28 1991-10-02 SERVIZI ECOLOGICI S.p.A. Membrane composite auto-obturante, particulièrement pour l'étanchéité d'éléments de construction, de fosses, de tanks, etc., et leur procédé de fabrication
US5112665A (en) * 1990-02-15 1992-05-12 American Colloid Company Water barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD254039A1 (de) * 1986-11-26 1988-02-10 Bauakademie D Ddr Inst F Ingen Dichtungsmatte
DE3704503C3 (de) * 1987-02-13 1998-02-26 Naue Fasertechnik Wasserundurchlässige Dichtungsmatte
GB2243804A (en) * 1990-03-06 1991-11-13 Naue Fasertechnik A water and/or oil-impermeable sealing mat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2275592A1 (fr) * 1974-06-20 1976-01-16 Butyl Products Ltd Procede et produit pour le revetement de cours d'eau ou de reservoirs
EP0292941A2 (fr) * 1987-05-27 1988-11-30 Dyckerhoff & Widmann Aktiengesellschaft Agencement pour retenir les éléments nocifs des eaux d'infiltration polluées d'une décharge de déchets par une couche d'étanchéité minérale et procédé de fabrication de ladite couche
US5112665A (en) * 1990-02-15 1992-05-12 American Colloid Company Water barrier of water-swellable clay sandwiched between interconnected layers of flexible fabric
EP0443567A1 (fr) * 1990-02-23 1991-08-28 Jean-Frank Wagner Couche d'étanchéité de base pour décharge de déchets
EP0449182A2 (fr) * 1990-03-28 1991-10-02 SERVIZI ECOLOGICI S.p.A. Membrane composite auto-obturante, particulièrement pour l'étanchéité d'éléments de construction, de fosses, de tanks, etc., et leur procédé de fabrication

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0742321A1 (fr) * 1995-05-08 1996-11-13 Claymax Corporation Revêtement en argile avec de faible perméabilité et sa méthode de fabrication
US5776547A (en) * 1995-05-08 1998-07-07 Claymax Corporation Low permeability geosynthetic clay liner and method of manufacture thereof
EP2299005A1 (fr) * 2009-09-21 2011-03-23 Sika Technology AG Membrane étanche à l'eau
WO2011033122A1 (fr) * 2009-09-21 2011-03-24 Sika Technology Ag Membrane étanche à l'eau
CN108534156A (zh) * 2018-05-15 2018-09-14 深圳市环境工程科学技术中心有限公司 垃圾填埋场填埋密闭臭气处理系统及其处理方法
CN108534156B (zh) * 2018-05-15 2024-04-09 深圳市环境工程科学技术中心有限公司 垃圾填埋场填埋密闭臭气处理系统及其处理方法

Also Published As

Publication number Publication date
AT398284B (de) 1994-11-25
ATA96591A (de) 1994-03-15

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