| Document |
Document Title |
|
WO/1999/058469 |
The invention concerns a cement material comprising at least a hydrated calcium silicate substituted by lithium, said substituted silicate having a mol ratio Ca: Si of 0.3 to 1.7 and a mol ratio Li: Si of 0.01 to 1. In said material, par...
|
|
WO/1999/051820 |
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...
|
|
WO/1999/002280 |
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...
|
|
WO/1998/056515 |
The invention enables economical production of reactors at substantial depths which can be used to clean up soils with contaminated ground water. A permeable geotextile bag, which is built into the contour of a sealing wall, is provided ...
|
|
WO/1998/014283 |
An apparatus for building a horizontal underground barrier (21) by cutting through the soil (17) and depositing a slurry (4). The apparatus includes a digging means for cutting and removing soil (17) to create a void (41) under the surfa...
|
|
WO/1998/004649 |
A method of rendering a volume of ground substantially impermeable to water including applying to the ground a water-soluble calcium salt, allowing the calcium ions in the salt to permeate the ground and then applying an aqueous silicate...
|
|
WO/1998/004647 |
A method of sealing a surface located within an aqueous medium by locating over the surface a first member containing an agent containing a water soluble calcium salt whereby the first member overlies the surface permitting calcium ions ...
|
|
WO/1997/009486 |
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...
|
|
WO/1996/011074 |
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...
|
|
WO/1995/032339 |
A trench (18) is excavated from the top surface of an earthen dike (10), all the way down to the foundation below the base of the dike. Dry powder, partially hydrolyzed polyacrylamide (PHPA) is mixed with fresh water and soda ash in prop...
|
|
WO/1995/030156 |
An apparatus for detecting a connection between adjacent vertical panels having a first contact element (122) positioned adjacent a bottom of one of the panels, a second contact element (128) positioned adjacent a bottom of an adjacent p...
|
|
WO/1995/021989 |
A method of providing a substantially leakproof shielding layer in the ground. The method includes the following steps: a) making a plurality of substantially parallel holes (H) in the ground by means of a guided drill head (4) which eje...
|
|
WO/1995/021966 |
A process for sealing soil formations, wherein a mineral sealing layer of a cohesive soil with the addition of powdery silicate of sodium is applied and mechanically compacted, and wherein: (a) firstly a homogeneous mixture is prepared f...
|
|
WO/1994/025688 |
The invention pertains to a process for sealing off ground sites (1), in particular a waste dump, abandoned dumping grounds, pipelines or the like, or also still be excavated construction sites, using sealants, wherein a fully course-con...
|
|
WO/1994/019547 |
An apparatus for cutting soil and constructing subsurface containment barriers, such as for constructing subsurface containment walls or basins around and under contaminated soils, comprises an elongated beam (4) for abutting an extended...
|
|
WO/1994/012735 |
A liquid-tight coupling for plastic webs to be interconnected in order to form a sealing wall has an inner part (1) and an outer part (2) constituted by a positive and a negative profile. The outer part is designed as a cable profile and...
|
|
WO/1993/022241 |
Contaminated groundwater is treated in-situ, by funnelling the water through a gate or gates (23) in a watertight in-ground wall (18). Treatment material in the gate (23) breaks down the contaminant, or otherwise removes the contaminant ...
|
|
WO/1993/004237 |
An underground pollution control screen or barrier is disclosed, of the type consisting of a diaphragm wall in the ground extending downward to an impervious ground stratum. The diaphragm wall (3) comprises successive zones provided with...
|
|
WO/1993/000483 |
An apparatus for cutting soil and constructing containment barriers, such as for constructing a subsurface containment walls or bassins for contaminated material, comprises a beam (4) pivoted to a support (6) on the surface for abutting ...
|
|
WO/1992/021826 |
In the ground (T), preceding holes (3) are dug and also a portion between adjoining preceding holes (3) is excavated by use of a wire saw device (9) to thereby form a sheet insertion groove (4), into which a cut-off sheet (5) is inserted...
|
|
WO/1990/014214 |
A protective housing (1a) accommodates a processing device (10) for processing plastic films (9a, 9b), laminated materials or boards into a liquid, pulp-like or liquid jelly-like material. The housing has slits (8a, 8b) for inserting or ...
|
|
WO/1990/004719 |
A device for current generation and storage with superconductors in the cold sink in which a shelved store (1) has been set up in difficult ground after a cold wall (2) has been formed by the cold sink. Air is to be cooled by thermal and...
|
|
WO/1989/001547 |
In the process described, sewage sludge or sludge from natural water sources is mixed with 30 to 70 wt. %, referred to the dry weight of the sludge, of a water-absorbent aggregate, the mixture so obtained is applied to the soil formation...
|
|
WO/1988/006208 |
In order to make a continuous artificial wall (2) into the ground (S), a trench (T) is dug into the ground and the trench is filled with a specific material. There is provided at a reduced distance (L) backwards of the trench front (7) r...
|
|
WO/1987/003225 |
A waterproofing sheet (12) used to waterproof structures above and below grade has a single layer of non-degradable, water impermeable polymeric membrane (10) that has layers (11) of particles of non-hydrated sodium montmorillonite (sodi...
|
|
WO/1986/001554 |
A flexible foil material for controllable leakproof separation of the areas located on both of its sides, for example a drainage separating wall. In the intermediate area between two closed foils a two-dimensionally connected distance-pi...
|
|
WO/1986/001553 |
A process and device for forming a vertical separating wall in the soil (1) by inserting a flexible surface material (5) into a trench (3) filled with a thixotropic slurry (4). The surface material (5) is drawn into the trench (3) by mea...
|
|
WO/1984/003315 |
High density polyethylene sheets are installed in panel forms to form an impervious barrier to fluid flow particularly corrosive contaminates and pollutants. A slit is excavated in the earth under the bentonite slurry to the required dep...
|
|
WO/1984/001358 |
A cavity is excavated in the earth with preferably sloping sidewalls (11-14) and a first impervious barrier or layer (20) of plastic film or sheet. One or more self-starting pumps (25) are placed at intervals along the slope and embedded...
|
|
WO/1983/004276 |
To lower underground waters in the area of foundation elements, such as foundation piles, a pervious layer of filtering concrete (1), particularly spongy concrete, is arranged under the normal concrete portion (7). Thereby, water is suck...
|
|
WO/1981/002905 |
Pond (2) with filtered water, having a relatively large free surface. The development, that is the invention, consists of a pond (2) disposed along the polluted surface waters (1), having a large flow or a great body of water. Between th...
|
|
JP2011208389 |
To provide a self-standing cofferdam structure and a self-standing cofferdam method excelling in workability and economical efficiency by allowing a cylindrical temporary body to self-stand by timbering members rising along the internal ...
|
|
JP2011144558 |
To provide a support structure and a support construction method of a structure capable of exerting high seismic isolation performance and preventing subsidence and inclination of the structure by preventing liquefaction of the ground.A ...
|
|
JP2011069183 |
To minimize underwater man-hours in a construction method of a cofferdam structure, which is constructed in renovation such as repair or reinforcement of a bridge pier provided in water of river, sea or the like, and a platform used for ...
|
|
JP2011058172 |
To close the surroundings of a structure to be worked which is built under water by simple steps while securing high sealability without being affected by the altitude head and the depth of water.This water cut-off wall body for closing ...
|
|
JP2011032785 |
To significantly improve a watertight water shut-off range by omitting unevenness correction work, dispensing with a watertight bracket nor Taiburu (R) and anchor, coping with side surface active force.In this watertight structure, a gro...
|
|
JP2011026802 |
To coffer the surroundings of a work structure constructed underwater, in a simple process with the assurance of high cut-off performance without being influenced by a head clearance or a water depth.This coffering cut-off wall body 1 in...
|
|
JP2011001767 |
To provide a steel pipe pile joint having a high shearing strength, simple in structure and excellent in connection working efficiency, and capable of preventing water from being polluted.A steel pipe pile 3 is installed at a bottom 5. T...
|
|
JP2010281106 |
To reduce fine particles and the air mixed in a storage pump.When a vacuum pump 10 is driven to discharge the air in a storage pump tank 6, the air in the storage pump 7 is also discharged from a pressure balance port 7b so that groundwa...
|
|
JP2010180701 |
To provide a method of laying a drainage pipe preventing the drainage pipe from being pulled out together with an outer pipe of a double pipe and/or being twisted upon pulling out the outer pipe, when the drainage pipe is laid in a hole,...
|
|
JP2010116688 |
To provide a groundwater management system which can control a water level with high accuracy while preventing the level in a well from excessively decreasing with a small number of pumping wells.The groundwater management system which p...
|
|
JP2010077690 |
To surely prevent the air in a work chamber from leaking to the outside of a caisson body automatically without a need for human labor.The air leakage prevention device 10 in a pneumatic caisson method includes an underground water press...
|
|
JP2010007450 |
To provide a groundwater flow conservation method which enables the design of water passage facilities to be properly performed by means of an equivalent coefficient of permeability giving consideration to a groundwater flow to the water...
|
|
JP2010001615 |
To provide an installation method for a water cut-off box for installing the water cut-off box efficiently without using large-scale supporting facilities and machinery and materials needed for the installation by letting the water cut-o...
|
|
JP2009263971 |
To provide a construction method for a temporary structure and an underground structure for pumping water in an underground space surrounded by a soil retaining wall easily and inexpensively and preventing the work for constructing a ske...
|
|
JP2009221727 |
To provide a low-cost and short-term freezing method for ground around an existing small-sized underground structure, which is excellent in a surrounding environment.In this freezing method for the ground around the existing small-sized ...
|
|
JP2009209599 |
To provide a temporary cofferdam work caisson capable of securing water pressure control and sufficient cutoff ability, and an installation method therefor.This temporary cofferdam work caisson 1 formed into a planar annular shape by joi...
|
|
JP2009209581 |
To provide a leaked air recovery device for use in a caisson method, which is simple in structure, recovers leaked air leaking outside from a caisson work chamber, and preferably returns air contained in the leaked air to the atmosphere ...
|
|
JP2009197411 |
To provide a construction method for lowering underground water level for reducing cost of facility and man-hours of work.In this construction method, an open soil retaining wall 2 is constructed between a construction zone and an excava...
|
|
JP2009180018 |
To further enhance the level of water cut-off by an elastic member when the periphery of an underwater structure is brought into a waterless dry working environment.This structure for a cofferdam comprises a working caisson 16 having one...
|
