EP0193605B2 - Materiau pelliculaire pour separation etanche reglable de zones situees de cote et d'autre de la pellicule - Google Patents

Materiau pelliculaire pour separation etanche reglable de zones situees de cote et d'autre de la pellicule Download PDF

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Publication number
EP0193605B2
EP0193605B2 EP85905061A EP85905061A EP0193605B2 EP 0193605 B2 EP0193605 B2 EP 0193605B2 EP 85905061 A EP85905061 A EP 85905061A EP 85905061 A EP85905061 A EP 85905061A EP 0193605 B2 EP0193605 B2 EP 0193605B2
Authority
EP
European Patent Office
Prior art keywords
controllable
sides
areas located
foil material
spacing element
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
EP85905061A
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German (de)
English (en)
Other versions
EP0193605A1 (fr
EP0193605B1 (fr
Inventor
Heiner I. Hammer
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.)
Schlegel Lining Technology GmbH
Original Assignee
Schlegel Lining Technology 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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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6244711&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0193605(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schlegel Lining Technology GmbH filed Critical Schlegel Lining Technology GmbH
Priority to AT85905061T priority Critical patent/ATE38868T1/de
Publication of EP0193605A1 publication Critical patent/EP0193605A1/fr
Application granted granted Critical
Publication of EP0193605B1 publication Critical patent/EP0193605B1/fr
Publication of EP0193605B2 publication Critical patent/EP0193605B2/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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/06—Restraining of underground water
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material

Definitions

  • the invention relates to a flexible film material for controllably tight separation of the areas located on its two sides, which has a two-dimensional spacer in the space between two closed films with flow cross-sections open in the direction parallel to the film extension; it is used, for example, to form a seepage barrier wall in the ground to protect groundwater from pollutants present in certain areas.
  • the invention has for its object to provide a film material of the type mentioned, which forms a double film treatable as a unit, without having the disadvantages mentioned.
  • the solution according to the invention consists in the characterizing features of the claim.
  • the side flanks of the projections or depressions must be so steep in relation to the main direction of extent of the surface material that the foils cannot lie so completely against the surface of the surface material located between them, or that the flow cross sections formed by the projections or depressions can be closed. This is ensured when the spacer is designed as a lattice with at least two sets of essentially rectified strands, the crossing or connecting points of which have a greater thickness than the individual strands, so that the projections mentioned are formed at the crossing or connecting points while in between depressions are present.
  • connection points can be formed from a woven or knitted fabric or a one-piece grid with thickened connection points, as is preferably obtained by stretching a perforated plastic film in both surface directions, the webs lying between two holes being stretched and the one between three or four next to one another Holes in the central area as a connection point are less stretched and therefore remain thicker
  • the film material consists of two cover films 1 and the spacer 2, which according to FIG. 2 is formed from a grid of thin webs 3 and connecting points or crossing points 4 connecting them, which are thicker than the webs 3.
  • This spacer comes about because a film of constant thickness, as shown in FIG. 3 and which is provided with regular rows of holes 5, is stretched in the two directions indicated by arrows in the warm plastic state.
  • the stresses in the area of the narrowest cross-section webs 3 ' are greater than in the area 4', so that the stretch mainly refers to the webs while the surface areas 4 'located between each of four holes 5 are not or only less deformed and therefore remain thicker, as can be seen in FIG. 1.
  • the cover foils 1 are firmly connected to the spacer 2 by welding at the thickened nodes 4.
  • the cover films 1 consist, for example, of polyethylene with a thickness of preferably 1 -5 mm.
  • the maximum thickness of the spacer 2, which advantageously also consists of polyethylene, can be of the same order of magnitude.
  • the cover films 1 are expediently connected to one another on all sides by a circumferential edge seam, so that the space between them is tightly enclosed. This space can be tapped anywhere to check the medium in it. If, for example, the pollutants to be monitored can be evaporated, it may be sufficient to attach a vacuum connection to the upper edge of the film material sunk into the ground, via which samples of the atmosphere in the intermediate space can be taken and checked continuously or periodically. If samples have to be drawn off in the liquid state, a removal hose can be led from a removal point provided at the upper edge into the lower area of the material interspace, so that samples can be sucked up from the liquid accumulating there.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

Un matériau pelliculaire souple est utilisé pour séparer de façon étanche et réglable des zones se trouvant de ses deux côtés, par exemple dans le cas d'une paroi séparatrice de drainage. Dans l'espace intermédiaire entre deux pellicules fermées est agencé un écarteur plat connecté qui forme une section transversale ouverte d'écoulement parallèle à la longueur de la pellicule, de sorte que toute substance nuisible qui penètre dans l'espace intermédiaire par n'importe quel endroit est déviée vers un autre endroit et peut être ainsi reconnue.

Claims (1)

  1. Matériau flexible en feuille propre à la séparation étanche contrôlable des régions qui se trouvent d'un côté et de l'autre, comportant, dans l'intervalle entre deux feuilles pleines (1), un élément d'écartement plat continu (2) formant des sections ouvertes d'écoulement dans la direction parallèle à l'étendue de la feuille, caractérisé en ce que l'élément d'écartement (2) est constitué par un matériau plat présentant des reliefs (4) qui font saillie perpendiculairement à son étendue, l'élément d'écartement (2) étant une grille formée d'au moins deux séries de cordins (3) dont les points de croisement ou de jonction (4) présentent une épaisseur plus grande que celle des cordons individuels (3), et en ce que les feuilles sont unies solidement à l'élément d'écartement par soudage aux points de croisement ou de jonction (4), pour la formation d'une double paroi maniable d'un seul tenant.
EP85905061A 1984-09-05 1985-09-05 Materiau pelliculaire pour separation etanche reglable de zones situees de cote et d'autre de la pellicule Expired - Lifetime EP0193605B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85905061T ATE38868T1 (de) 1984-09-05 1985-09-05 Folienmaterial zum kontrollierbar dichten trennen der auf seinen beiden seiten befindlichen bereiche.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3432642 1984-09-05
DE19843432642 DE3432642A1 (de) 1984-09-05 1984-09-05 Folienmaterial zum kontrollierbar dichten trennen der auf seinen beiden seiten befindlichen bereiche

Publications (3)

Publication Number Publication Date
EP0193605A1 EP0193605A1 (fr) 1986-09-10
EP0193605B1 EP0193605B1 (fr) 1988-11-23
EP0193605B2 true EP0193605B2 (fr) 1991-10-23

Family

ID=6244711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85905061A Expired - Lifetime EP0193605B2 (fr) 1984-09-05 1985-09-05 Materiau pelliculaire pour separation etanche reglable de zones situees de cote et d'autre de la pellicule

Country Status (6)

Country Link
EP (1) EP0193605B2 (fr)
JP (1) JPS62500163A (fr)
AU (1) AU4951985A (fr)
CA (1) CA1238197A (fr)
DE (2) DE3432642A1 (fr)
WO (1) WO1986001554A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607525A1 (de) * 1986-03-07 1987-09-10 Niederberg Chemie Bruchsicherung an einer schlitzwand
CA1303863C (fr) * 1986-06-23 1992-06-23 Walter Van Woudenberg Revetement pare-pression
DE3632951A1 (de) * 1986-09-27 1988-03-31 Dynamit Nobel Ag Flexible abdichtungsbahn
DE3714743A1 (de) * 1987-05-02 1988-11-17 Holzmann Philipp Ag Deponie mit einer kontrollierbaren deponiesohle
DE3717586C2 (de) * 1987-05-25 1996-04-04 Huels Troisdorf Deponieabdichtung
DE3720519A1 (de) * 1987-06-20 1988-12-29 Flachglas Ag Abdichtungsbauwerk aus einer vertikalen schlitzwand und einer darin angeordneten dichtwand
DE8902963U1 (fr) * 1989-03-10 1990-07-12 Niederberg-Chemie Gmbh, 4133 Neukirchen-Vluyn, De
DE4038962A1 (de) * 1990-12-06 1992-06-11 Akzo Gmbh Verwendung einer schutzmatte fuer abdichtungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310453A (en) * 1960-12-05 1967-03-21 Bjorksten Res Lab Inc Tear resistant material
FR1577294A (fr) * 1968-02-02 1969-08-08
DE2237707A1 (de) * 1972-08-01 1974-02-07 Bayer Ag Draenageelement fuer den erd-, grundund wasserbau
DE2545762A1 (de) * 1975-10-13 1977-04-21 Rosemeier Kg Flexibler hohlkoerper aus kunststoffolien
DE2546753A1 (de) * 1975-10-18 1977-04-28 Isogleitchemie Handels Gmbh Gleitfolie
US4170675A (en) * 1977-05-02 1979-10-09 Flexipane Limited Reinforced flexible panels comprising plastic sheeting on opposed sides of a mesh layer and a metal foil layer in association with a plastic sheet layer

Also Published As

Publication number Publication date
DE3432642A1 (de) 1986-03-13
EP0193605A1 (fr) 1986-09-10
AU4951985A (en) 1986-03-24
CA1238197A (fr) 1988-06-21
DE3566425D1 (en) 1988-12-29
JPS62500163A (ja) 1987-01-22
EP0193605B1 (fr) 1988-11-23
WO1986001554A1 (fr) 1986-03-13

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