EP0362193B1 - Procédé pour l'étanchement à la pénétration de liquide et/ou de gaz - Google Patents

Procédé pour l'étanchement à la pénétration de liquide et/ou de gaz Download PDF

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Publication number
EP0362193B1
EP0362193B1 EP89890255A EP89890255A EP0362193B1 EP 0362193 B1 EP0362193 B1 EP 0362193B1 EP 89890255 A EP89890255 A EP 89890255A EP 89890255 A EP89890255 A EP 89890255A EP 0362193 B1 EP0362193 B1 EP 0362193B1
Authority
EP
European Patent Office
Prior art keywords
sealing
fabric
sheets
fabric sheets
thread system
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
EP89890255A
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German (de)
English (en)
Other versions
EP0362193A2 (fr
EP0362193A3 (en
Inventor
Gerhard Dipl.-Ing. Dr. Schwarz
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.)
SCHWARZ, GERHARD, DIPL.-ING. DR.
Girmes GmbH
Original Assignee
Schwarz Gerhard Dipl-Ing Dr
Girmes 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
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Application filed by Schwarz Gerhard Dipl-Ing Dr, Girmes GmbH filed Critical Schwarz Gerhard Dipl-Ing Dr
Publication of EP0362193A2 publication Critical patent/EP0362193A2/fr
Publication of EP0362193A3 publication Critical patent/EP0362193A3/de
Application granted granted Critical
Publication of EP0362193B1 publication Critical patent/EP0362193B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E02B3/127—Flexible prefabricated covering elements, e.g. mats, strips bags filled at the side
    • 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
    • E02B3/16—Sealings or joints
    • 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 invention relates to a method for sealing against the penetration of liquids and / or gases.
  • EP-A-0059625 relates to a flat element for sealing against the penetration of liquids, which consists of two by mats, e.g. consists of a fleece, formed webs with a filling provided between them of swellable, mineral sealing wall masses.
  • the in situ laying and filling of these elements, e.g. longitudinally inclined surfaces, while ensuring an approximately constant mutual distance between the two mats is not possible.
  • CH-PS 464 807 has disclosed a fabric formwork for filling with concrete, in which the two fabric sheets are connected to one another with web warp threads, which run alternately in the upper and the lower sheet, and which are intended for filling with concrete.
  • This fabric formwork also has no sealing effect.
  • AT-PS 317 091 proposed an embodiment in which two fabric webs are connected to one another at regular intervals, so that there is a surface of the elements provided with small elevations, the fabric webs directly touching each other at points issue.
  • the water permeability is weaved at these points of contact or perforation promoted. Even because of the uneven thickness of the construction, a uniform seal could not be achieved.
  • the aim of the invention is to avoid these disadvantages and to propose a method of the type mentioned at the outset which is distinguished by simple feasibility and enables the formation of largely flat surfaces. Furthermore, the method should be able to produce an element which is distinguished by a precisely defined behavior and which can adapt well to a different behavior of the substrate and which enables a good seal over longer periods of time.
  • a method for sealing against the penetration of liquids and / or gases, in particular for the containment of landfills and for the insulation of structures whereby between two fabric webs, the area through a continuous thread system that limits a maximum distance between the webs , are connected to one another, a swellable, preferably mineral, sealing wall compound, for example filled as dry material, is subsequently filled in to produce a sealing layer.
  • a swellable, preferably mineral, sealing wall compound for example filled as dry material
  • the finished element can have a permanent plasticity, so that it can deform without cracks for very long periods of time, thereby ensuring a permanent seal.
  • the external fabric webs provide a very high level of erosion security, since at the interfaces with water or the like, the fabric webs fill against the removal of particles protect.
  • the thread system hinders the swelling of the filling after it has been introduced between the two interconnected fabric webs to such an extent that it compresses accordingly, this hindrance causing the swelling essentially due to the absorption of the transverse expansion forces of the filling by the fabric web or the connection.
  • the filling consists essentially of at least one key, e.g. Kaolinite, illite, vermiculite, montmorillonite, or a mixture of such, cements such as Portland cement or blast furnace cement, mineral solids such as stone powder and any additives, and water is formed. It can further be provided that the mixing ratio of the individual additive components is aligned with a predetermined gas permeability.
  • Such fillings enable precise adjustment to the respective application and are characterized by high long-term durability.
  • a material which is permeable to a medium which transports the sealing wall mass for example water or air, is selected, as a result of which the sealing mass is consolidated and its distribution is kept largely stable.
  • the surface structure of the threads of the thread system can largely be varied.
  • the threads of the thread composite system can be produced from an at least superficially hydrophobic material. This ensures that the stress on the butt joint transverse to the surface of the fabric webs can be kept low.
  • the method according to the invention is particularly suitable for sealing or enclosing landfills and for sealing or isolating buildings and traffic areas.
  • a method according to the invention for sealing large areas against the penetration of liquids and / or gases, in particular for enclosing landfills and for isolating structures, long, each consisting of two webs of fabric, which are areal by a continuous thread system , which delimits a maximum distance between the fabric webs, are connected to each other, formed webs are laid out, then the joints of these webs are connected by gluing, sewing or by means of adhesive fasteners, for example Velcro fasteners, and then a swellable, preferably mineral, e.g. Filled sealing wall mass filled in as dry material to produce a sealing layer.
  • adhesive fasteners for example Velcro fasteners
  • the thickness of the sealing layer which is essentially determined by the continuous thread system with which the two fabric sheets are connected to one another, can be used , can be easily checked optically. This uniform thickness also provides a high level of security for a uniform effect of the seal.
  • the upper fabric web prevents the sealant from drying out on the surface.
  • a two-wall fabric in which the two fabric webs are made of polypropylene, which results in a high degree chemical resistance results.
  • the weave of the two fabric webs can be chosen as desired, but the mesh size should be less than 200 ⁇ m in order to achieve a corresponding filter effect.
  • the thread system can also be made of polypropylene.
  • the overall result is a water-repellent construction.
  • Another possible application of a method according to the invention is e.g. in the case of a landfill-base seal, which is preferably formed from two mineral sealing layers, each of which is approximately 60 cm thick and provided with an approximately 2.5 mm thick plastic sealing membrane in between. After the plastic sealing membrane has been laid, it must be protected against mechanical damage when installing the upper sealing layer and against thermal stresses from sunlight, etc.
  • This protection is preferably achieved by laying on a two-wall fabric according to the invention and subsequently filling it with a swelling and therefore sealing mineral mass.
  • the thickness of this layer depends on the required water permeability coefficient and the design of the continuous thread system.
  • a pumpable filling material can be used to fill the two-wall fabric. Such a cover strains the sealing film over the entire surface and creates the press bond at the welds of the film webs, which is advantageous for the safety of sealing the landfill.
  • Tensile and stretch-resistant fabric sheets are advantageously used for the two-wall fabric, which also enables the production of steeper sealing walls.
  • the two-wall fabric can advantageously be filled with a sand-gravel / bentonite-cement suspension with an appropriate viscosity.
  • Such a mixture can have the following composition, for example: Sand gravel grits
  • the two-wall fabric can also be filled with a dry sand-gravel / bentonite-cement mixture.
  • a dry sand-gravel / bentonite-cement mixture can be composed, for example, as follows: Sand gravel
  • the coarse grain structure is filled with fine components: this results in a reduction in the pore volume to 20%. This has a favorable influence on the resistance to the flow of water, the diffusion and sorption of pollutants from the landfill.
  • an element 5 consists of the two fabric webs 1, which are connected to one another via a thread system 2 which extends continuously over the entire surface of the fabric webs 1 and which simultaneously limits the maximum distance between the two fabric webs 1.
  • a swellable sealing compound 3 is introduced between these interconnected fabric webs 1, which are tightly sealed at their edges.
  • This essentially consists of at least one key, e.g. Kaolinite, illite, vermiculite, montmorillonite, or a mixture of such, cements such as Portland cement or blast furnace cement, mineral solids such as stone powder and any additives.
  • the procedure is such that the element fabric webs are laid out in long webs and then the joints of these webs are glued, sewn or by means of adhesive closures, e.g. Velcro fasteners are connected, after which the sealant is introduced.
  • the bumps can be the end and / or longitudinal bumps.
  • Fig. 2 shows a possible application of the elements.
  • Elements 5 can thus be used for sealable traffic areas, e.g. Parking decks, petrol stations or bridges can be used. It is possible, as can be seen from FIG. 2, directly on the elements 5 concrete or cover elements, such as Place concrete blocks 6, between which the usual joints 4 remain.
  • the sealing compound 3 can be adjusted to be slightly hydrating and allows the stones 6 to be fully inserted into the plastic bed and allows a full laying of the stones and a closed joint filling.
  • the fabric webs can be designed to absorb any tensile loads that occur and at the same time provide protection against erosion.
  • the elements can also be used to produce a surface seal for landfills.
  • the advantage of these elements is that they can be adjusted to a certain gas permeability by appropriate choice of the mixing ratio of the additive components, whereby a concentrated gas outlet, which can lead to an explosion risk, can be avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Building Environments (AREA)
  • Sealing Material Composition (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Materials For Medical Uses (AREA)

Claims (8)

  1. Procédé pour l'étanchement à la pénétration de liquides et/ou de gaz notamment pour la clôture de décharges et pour l'isolation de constructions où on emplit d'une masse de paroi d'étanchéité (3) par exemple en matériau sec de préférence minéral et en outre apte à s'écouler, l'intervale entre deux nappes textiles (1) dont l'écart maximal mutuel est limité à l'aide d'un réseau de fils (2) continu reliant leur surface, pour l'obtention d'une couche d'étanchéité.
  2. Procédé selon la revendication 1 caractérisé en ce que, comme connu, on choisit pour au moins une des deux nappes textiles (1) un matériau perméable par exemple à l'eau ou à l'air pour un milieu transportable de la masse de paroi d'étanchéité.
  3. Procédé selon la revendication 1 ou 2 caractérisé en ce que les fils du réseau de fils (2) sont faits d'un matériau hydrophobe au moins superficiellement.
  4. Procédé selon la revendication 1 ou 2 caractérisé en ce que les fils des nappes textiles et/ou du réseau de fils (2) sont faits d'un matériau non stable au cours du temps.
  5. Procédé selon l'une des revendications 1 à 4 caractérisé en ce que le remplissage (3) est constitué essentiellement d'au moins un argile comme la kaolinite, l'illite, la vermiculite, la montmorillonite ou de leur mélange, un ciment comme le ciment Portland ou le ciment de haut fourneau, d'un matériau minéral comme la poudre de grès et, éventuellement, d'un adjuvant, comme d'eau.
  6. Procédé selon la revendication 6 caractérisé en ce que la composition du mélange en additifs particuliers est déterminée pour obtenir une perméabilité prédéterminé aux gaz.
  7. Procédé selon l'une des revendications 1 à 6 caractérisé en ce que les éléments particuliers (5) des nappes textiles sont reliés les uns aux autres dans la zone de leur bord par collage, couture, ou adhérence par exemple par agrafage de manière que le réseau de fils (2) des éléments (5) particuliers atteigne directement la lisière des bords.
  8. Procédé pour l'étanchement de grandes surfaces à la pénétration de liquides et/ou de gaz notamment pour la clôture de décharges ou pour l'isolation de constructions où l'on dépose des rubans de deux longues nappes textiles (1) dont l'écart maximal mutuel est limité à l'aide d'un réseau de fils (2) continu reliant leur surface, ou relie les bords de ces rubans par collage, couture ou adhérence par exemple par agrafage, on emplit l'intervale entre les nappes textiles (1) d'une masse de paroi d'étanchéité (3) par exemple en matériau sec de préférence minéral et en outre apte à s'écouler pour l'obtention d'une couche d'étanchéité.
EP89890255A 1988-09-28 1989-09-27 Procédé pour l'étanchement à la pénétration de liquide et/ou de gaz Expired - Lifetime EP0362193B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT2398/88 1988-09-28
AT239888 1988-09-28

Publications (3)

Publication Number Publication Date
EP0362193A2 EP0362193A2 (fr) 1990-04-04
EP0362193A3 EP0362193A3 (en) 1990-06-06
EP0362193B1 true EP0362193B1 (fr) 1992-12-02

Family

ID=3533620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89890255A Expired - Lifetime EP0362193B1 (fr) 1988-09-28 1989-09-27 Procédé pour l'étanchement à la pénétration de liquide et/ou de gaz

Country Status (4)

Country Link
EP (1) EP0362193B1 (fr)
AT (1) ATE83020T1 (fr)
DE (1) DE58902886D1 (fr)
ES (1) ES2037477T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042481B3 (de) * 2006-09-07 2008-01-17 Hermann Kirchner Bauunternehmung Gmbh Verfahren zum Anordnen einer mineralischen Dichtung auf einer Deponie und Verfahren zum Einbau einer Kombinationsabdichtung zur Abdichtung einer Deponie

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY107915A (en) * 1990-12-11 1996-06-29 Claymax Corp Clay liner for steep slopes
DE4122992A1 (de) * 1991-07-11 1993-01-28 Naue Fasertechnik Verbesserter verbund im ueberlappungsbereich von vernadelten bentonit-dichtungsmatten
DE19827909A1 (de) * 1998-06-23 1999-12-30 Hans Zauser Dichtmatte zur Herstellung einer flüssigkeitsdichten Schicht im Erdreich
DE19858180A1 (de) * 1998-12-17 2000-06-21 Nabento Vliesstoff Gmbh Dichtungsmatte und Verfahren zur Herstellung einer Dichtungsmatte
DE10023906C2 (de) * 2000-03-16 2003-06-05 Marinus Zwiersen Konfektioniertes flächiges Abdichtmittel aus feuchtem Ton oder dergleichen sowie Verfahren zum flächigen Unterwasser-Abdichten einer bereits bestehenden Wasserstraße und Vorrichtung zum Durchführen dieses Verfahrens
GB2438613B (en) * 2006-06-01 2008-04-30 Frances Carney Cleeton A filled bag for providing part of a temporary barrier to wat
CN104963365B (zh) * 2015-06-30 2017-06-27 河海大学 一种垃圾填埋场底部的不透水粘土垫层及其应用
CN109653159B (zh) * 2019-01-02 2021-06-15 北京仁创科技集团有限公司 一种透气防渗毯及其生产工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059625A1 (fr) * 1981-02-27 1982-09-08 Clem Environmental Corp. Sol protégé de l'eau

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3552130A (en) * 1966-10-28 1971-01-05 Richard E Landau Method of forming a substantially liquid impervious wall in an earth formation
US3670504A (en) * 1968-02-05 1972-06-20 Collins & Aikman Corp Fabric containment constructions
DE1931537C3 (de) * 1969-06-21 1979-04-19 Fa. Pilsa, Luxemburg Verfahren zum Herstellen eines Böschungs- und/oder Bodenschutzes
JPH0723571B2 (ja) * 1985-01-30 1995-03-15 旭化成工業株式会社 多層織物
US4650368A (en) * 1985-05-10 1987-03-17 American Threshold Industries, Inc. Flood water containment bag
DE3700645A1 (de) * 1987-01-12 1988-07-21 Niederberg Chemie Abdichtung fuer neu zu errichtende deponien
DE3802085A1 (de) * 1988-01-25 1989-07-27 Kunz Alfred & Co Doppellagige folie fuer dichtungen im wasserbau o. dgl.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059625A1 (fr) * 1981-02-27 1982-09-08 Clem Environmental Corp. Sol protégé de l'eau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042481B3 (de) * 2006-09-07 2008-01-17 Hermann Kirchner Bauunternehmung Gmbh Verfahren zum Anordnen einer mineralischen Dichtung auf einer Deponie und Verfahren zum Einbau einer Kombinationsabdichtung zur Abdichtung einer Deponie

Also Published As

Publication number Publication date
DE58902886D1 (de) 1993-01-14
ES2037477T3 (es) 1993-06-16
EP0362193A2 (fr) 1990-04-04
EP0362193A3 (en) 1990-06-06
ATE83020T1 (de) 1992-12-15

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