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WO/2000/001895A1 |
A liner (12) includes an intermediate flexible conductive layer (24). The conductive layer (24) is sandwiched between a pair of nonconductive layers (22, 34). Either or both of the outwardly facing surfaces of the liner may be textured o...
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WO/1999/054571A1 |
The invention relates to a support and/or drainage plate made of a foil-like plastic material, for use with a plate-lined floor structure or a wall so as to create a space between the ground and the surface lining to be applied onto the ...
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WO/1999/051820A1 |
A process is provided for constructing a fluid impermeable subterranean barrier wall in a permeable earthen material at an earthen surface. The process is initiated by excavating an earthen pit in the permeable earthen material. A gelabl...
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WO/1999/028564A1 |
The invention pertains to a geogrid comprising drawn, polymeric longitudinal straps which run parallel or substantially parallel to each other and polymeric transverse straps bonded to the longitudinal straps, with the crosswise modulus ...
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WO/1999/023401A1 |
The invention relates to a seal in order to prevent the exit or entry of liquids out of or into systems and the application thereof. According to the inventive solution, a seal should be provided which prevents liquids from exiting a sys...
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WO/1999/016844A1 |
A melting, bituminous tape joint is disclosed for road and channel construction, underground and overground workings, as well as a process for producing the same and a process for setting the tape joint on a seam or joint edge of a road ...
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WO/1999/016978A1 |
A fuel dispenser sump includes a lower portion (2) having a closed bottom and having a side opening for a fuel conduit (3), and a separate upper portion (1) that tapers upwardly and inwardly, that sits on top of the lower portion (2) and...
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WO/1999/011873A1 |
The invention relates to a tight mat comprising a support strip (1); a coating (2) of swellable clay (especially bentonite) applied thereto and a cover strip (3) wherein both strips (1 and 2) are textile strips and the cover strip (3) is...
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WO/1999/007966A1 |
The invention described is a system for seismic isolation or vibration of structures which is simple, relatively inexpensive and readily used for smaller structures. It involves use of bearings comprising a ball (10) and ball seats (12, ...
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WO/1999/002280A1 |
The invention relates to a method for the fluid-supported production of a permeable reaction chamber in the ground, which chamber is filled with a reaction material that removes substances harmful to the ground water from the water or co...
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WO/1998/059117A1 |
A land drain (1) to be used for the electrokinetic drainage of soil is made by integrally extruding a biplanar mesh structure tube (2) of electrically-conducting plastics material so that the tube (2) is of trellis construction. Every al...
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WO/1998/058134A1 |
The present invention concerns a manufactured article (10, 20) impervious to water, said water being rain water and/or water coming from a water-bearing stratum and/or from concrete, to be used in building of habitations and/or factories...
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WO/1998/055701A1 |
The invention relates to a collecting vessel designed to collect environmentally hazardous liquids and serving as a safety substructure for industrial facilities, store tanks, transformers, discharging plants or the like. The collecting ...
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WO/1998/049401A2 |
Arrangement and apparatus for soil air monitoring, paving sealing examination and soil air extraction with regard to the soil (25) under a liquid-tight and/or gas-tight floor (27) of a location, in particular for examining the degree of ...
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WO/1998/043800A1 |
A pre-stressed plastic or metal sheet structure for use primarily as reinforcement in civil engineering applications is produced by forming an array of bulges in the sheet to pre-stress it in all directions in the plane of sheet (5), and...
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WO/1998/040565A1 |
The invention concerns a sealed edge connection and a method of producing the same between a base layer and a structural member in underwater or overflow regions of bodies of water. In this respect, a first base layer (3) is brought up t...
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WO/1998/031770A1 |
The invention concerns a method of covering, securing and, if necessary, sealing soil or soil regions with polymer films which are watertight or water-repellant for a predeterminable amount of time. According to the invention, these poly...
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WO/1998/029329A1 |
The invention involves a two step process to upgrade the submersible pump area in a manner that will prevent releases from entering the soil. The first step entails forming the sidewalls of the in-place containment sump using fiberglass ...
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WO/1998/029614A1 |
A method of upgrading the area below a dispenser to contain accidental release harmful materials from contaminating the soil below grade without repiping, electrical changes, or concrete disruption.
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WO/1998/029613A1 |
A system for preventing release from an underground storage tank (10) from further migrating into surrounding geological formations and groundwater includes a low permeable layer (15) surrounding the tank field and a set of horizontal pi...
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WO/1998/024566A1 |
A method is disclosed for constructing, verifying and maintaining underground vaults that isolate and contain radioactive burial sites. The method employs a buoyant lift technique to isolate a block of soil (78) containing the contaminan...
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WO/1998/022669A1 |
A ground surface (10, 77, 142) especially for transport surfaces, pathways, industrial and trade areas, horticultural and agricultural surfaces, whose surface (10, 77, 142) superstructure (13-16, 55-60, 99-102) contains at leat one barri...
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WO/1998/022663A1 |
A flotation system for a building (300) is disclosed including a watertight basement (540) having a unitary piece of concrete forming the floor and walls (615) of the watertight basement (540). Rollers (610) are attached to the watertigh...
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WO/1998/017870A1 |
An elasticized geosynthetic panel, geofoam composition, and method operable for permitting controlled deformation of earth materials adjacent a rigid earth retaining or the like. The panel (20) includes a drainage component (30), a water...
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WO/1998/001630A1 |
A capillary barrier (1) for sealing external surfaces, particularly of waste dumps and abondoned disposal sites, is proposed which includes at least one capillary block (4), wherein the capillary block (4) is composed of a layer of rough...
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WO/1997/049873A1 |
A landfill site is lined by attaching an impermeable line (90) to a support structure for the purpose of containing waste material and preventing substances from draining or being leached from the waste into the subsoil. The support stru...
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WO/1997/045211A1 |
A method and system for collecting and containing leachate from a landifll uses a submerged drainage sink (2) to develop a flow pattern towards the drainage sink (2) contained within a containment zone, and therefore minimizes the chance...
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WO/1997/044145A1 |
A landfill liner comprising clay and lime for capturing certain leachate contaminants, particularly potentially toxic heavy metals. The lime acts to absorb significantly more of the potentially toxic heavy metals than would a conventiona...
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WO/1997/038174A1 |
There is disclosed a method of lining a side face (11) of a landfill site comprising the steps of erecting a framework (10) including laterally spaced substantially vertically extending members (12) adjacent the surface of the side face ...
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WO/1997/036059A1 |
A geotextile laminate (1) comprises a layer of geotextile material (2) and at least one channel (3) formed within the layer (2). The layer (2) comprises a composite material formed from non-woven fabric (31) needled together. The sleeves...
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WO/1997/036060A1 |
A water and oil impermeable geosynthetic clay liner formed by supporting a layer (10) of bentonite on an impermeable plastic layer. Integrally formed protrusions (14) extend from one surface of the plastic layer to support a permeable pl...
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WO/1997/034055A1 |
The invention relates to a method for protecting the soil (6) against contamination caused by the contents of a storage tank (7, 8) present in or on the ground, wherein a sealing system forming a seal at its bottom side (8) is placed in ...
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WO/1997/034054A1 |
The invention concerns a method for protecting the soil against contamination caused by the contents of a storage tank present in or on the ground, wherein a sealing system forming a seal at its bottom side is placed in adjoining relatio...
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WO/1997/026416A1 |
The method of waste dump isolation and its isolation layer, with the isolation layer (5) consisting of plastics with the character of a foil (2), which is furnished with a layer of bentonite or another material with non-crawling properti...
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WO/1997/024495A1 |
A waterproof membrane (1) for use as a waterproof barrier between or externally to building components, the said membrane (1) having protrusions or studs (6, 7, 8, 9) which function as distance pieces in order to ensure ventilation or dr...
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WO/1997/011232A1 |
A structure for preventing frost heaving damage to an underground structure, capable of being applied easily and inexpensively to many kinds of underground structures, having a durability and provided with a plate type reaction force gen...
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WO/1997/009486A1 |
A drainage wall device prevents an underground flow of water from penetrating in a ground or underground area (11) and essentially comprises drainage wells (6) connected at their ends to each other by a counter-balancing drainage gallery...
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WO/1997/003253A1 |
A modified bitumen sheet material (12) and method for a protective moisture barrier, particularly for masonry surfaces (42). The sheet material has a bitumen layer (14) modified by the addition of a minor amount of a long-chain polybutad...
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WO/1996/039561A1 |
A method of remediating fluids leaked from a storage tank (2) placed so as to communicate with an underground cavity (24) lined with an impervious liner (26) and having permeable medium (6) interposed between the tank and liner. The meth...
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WO/1996/038639A1 |
An element (3) such as cylindrical or non-cylindrical tubular element, a column, or a beam, comprises a layer of plastically deformable energy absorbing material such as lead (2) over at least part of an external and/or internal surface ...
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WO/1996/037664A1 |
A device for the disposal of solid city waste, waste of a special kind, or toxic/harmful waste, comprising a polymeric cylindrical geomembrane let down into a bore (1) realized in a kind of soil having a degree of permeableness such that...
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WO/1996/031660A1 |
An underground cut-off drain system (1) for controlling liquids flowing in the ground in the vicinity of hazardous material (2), for example, radioactive waste, comprises a vertical band drain (7) and at least one filter layer (8, 9). Th...
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WO/1996/025663A1 |
A testing technique for simulating the behaviour under subsidence conditions of a capping for a land waste disposal site. A scale model strip of the capping (29) is located within a casing (13) so as to extend over a fixed member (18) an...
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WO/1996/025563A1 |
A capping (4) for a land disposal site for waste material (3), particularly hazardous waste, includes a water barrier layer (15) which may comprise a mixture of sand and bentonite. The barrier layer (15) has a peripheral portion comprisi...
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WO/1996/021931A1 |
A radon protection device comprises an active carbon layer (100) and a protective layer (102) arranged on one surface of said active carbon layer (100) which is permeable to radon and moisture-proof or repellent. In a further embodiment ...
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WO/1996/011074A1 |
A hazardous waste barrier system for preventing the generally lateral, subterranean migration of certain fluid substances (including both liquid and gaseous fluids) beyond an established perimeter, while providing controlled collection o...
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WO/1996/011304A1 |
A system for use in preventing a flow of gas from a gas-containing region (120) to an adjacent region (22) and/or for collecting or dispersing gas at the interface between the regions, comprising a composite barrier (10) installed so as ...
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WO/1996/008611A1 |
Disclosed is a method for sealing soil formations, wherein a mineral sealing layer consisting of cohesive soil and an additive is deposited on the soil formation and then mechanically compressed, the additive used being dry, sewage or wa...
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WO/1996/006734A1 |
The invention relates to a stabilized fluid barrier member (30) and to methods of forming the same. The fluid barrier comprises a first outer sheet member (32) having a top surface (34) and a bottom surface (36), with a stabilizer elemen...
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WO/1996/006987A1 |
A high shear strength clay liner comprising two synthetic geotextiles (1a, 1b) and a semihydrated layer (1c) of swellable clay therebetween with fastening means (5) arranged in such a pattern of connecting threads to form pockets (7) thr...
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