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Document Title |
WO/1993/000483A1 |
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 ...
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WO/1992/021826A1 |
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...
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WO/1990/014214A2 |
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 ...
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WO/1990/004719A1 |
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...
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WO/1989/001547A1 |
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...
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WO/1988/006208A1 |
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...
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WO/1987/003225A1 |
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...
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WO/1986/001553A1 |
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...
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WO/1986/001554A1 |
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...
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WO/1984/003315A1 |
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...
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WO/1984/001358A1 |
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...
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WO/1983/004276A1 |
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...
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WO/1981/002905A1 |
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...
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JP7479656B1 |
[Problem] To provide a method for monitoring slope soil permeability coefficient. [Solution] The groundwater at the measurement point is led to the surface and drained naturally, the water flow motion characteristics at the drainage outl...
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JP7471981B2 |
To provide a method for recharging groundwater that can be injected into the ground with an arbitrary water level difference.A groundwater recharging method according to the present invention includes a pumping step of pumping groundwate...
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JP2024030342A |
An object of the present invention is to provide a system for freezing a frozen area even if the freezing period is prolonged, and a method for constructing a frozen structure. [Solution] After a casing 2 is built to a predetermined dept...
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JP2024030341A |
The present invention provides a freezing system and a method for constructing a frozen structure that can actively control the frozen range even if the freezing period becomes long. [Solution] A freezing tube 2 and an outer tube 3 that ...
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JP7437336B2 |
To provide a temporary cofferdam method or the like that is easy to construct.After a water area is closed off by a well-shaped steel pipe sheet pile 4, the inside of the well by the steel pipe sheet pile 4 is excavated underwater. After...
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JP7426051B2 |
To provide a construction method for a cofferdam structure that enables prevention of a water leak with simple work.A construction method for a cofferdam structure includes: a construction process of constructing a cofferdam structure bo...
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JP2023177035A |
To provide a frozen soil forming device and a frozen soil constructing method allowing the selection of a depth region of a ground to be cooled while suppressing installation space.A frozen soil forming device 1 comprises a freezing tube...
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JP2023159697A |
To provide a temporary cofferdam body and a forming method for a closed type temporary cofferdam body that enable both complete and partial closure of the surroundings of a weir and transmit an axial force caused by water pressure when c...
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JP3243711U |
A novel cofferdam locking mechanism includes a female lock assembly and a female lock assembly, the female lock assembly being removably coupled to the male lock assembly. In the present cofferdam locking mechanism, a female lock assembl...
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JP2023090197A |
To provide an underwater cofferdam structure which does not lower a dam reservoir level during construction, minimizes diving operation in a large depth, and can be efficiently and easily constructed, and a construction method for the sa...
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JP3242604U |
[PROBLEMS] To provide a multi-bucket foundation integrated cofferdam that improves the safety and stability of work inside a main body, shortens the time for installation and construction, and simplifies steps. A cofferdam body (10) havi...
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JP2023086214A |
To provide a steel pipe sheet pile well foundation construction method which can efficiently and inexpensively prevent a heave of an excavation bottom surface and floating of the whole well, even when an uplift pressure by artesian groun...
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JP2023081645A |
To easily specify the presence or absence and a position of a water passage point of an earth retaining wall.A method for specifying a water passage point of an earth retaining wall includes the steps of: pumping groundwater from an insp...
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JP7286146B2 |
To disclose a technology that can efficiently install artificial objects in the ground.An attachment 50 is attached to a ground improvement machine and is used to install an artificial object in the ground. The attachment comprises a tub...
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JP7285880B2 |
To provide a cofferdam construction in which the falling and flowing-out of sandbags hardly occur even when a water level rises.A cofferdam construction in claim 1 is constituted by fixing a pair of facing panels using a strut to form a ...
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JP2023072134A |
To provide a frozen soil thickness control method, a frozen soil thickness control system, and a temperature measuring tube capable of suppressing excessive freezing in a predetermined range of frozen soil.A frozen soil thickness control...
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JP7267243B2 |
To provide a cofferdam construction method and a cofferdam structure of an existing underwater structure applicable to the existing underwater structure for which it is difficult to make a cofferdam by surrounding its periphery and allow...
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JP7265969B2 |
To fix a connector including a main claw and a sub claw so as to be joined with another constitution member with high accuracy.A fixing jig (200) for a connector including a main claw (22) and a sub claw (23) formed opposing to each othe...
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JP2023030860A |
To provide an existing foundation removal method and an existing foundation removal system capable of surely removing an existing hollow foundation underwater in a short period of time.An existing foundation removal system 30 comprises a...
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JP7209290B2 |
To provide a revetment structure capable of suppressing horizontal movement of a revetment structure and securing stable water shielding property, and to provide a revetment construction method.A revetment structure comprises: a water sh...
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JP2023501011A |
Apparatus and methods are disclosed for reinforcement of partially submerged structural elements such as, for example, piles, posts, columns, and pipes. The apparatus includes an upper unit, which may be fixed to a structural element abo...
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JP2023004509A |
To provide a technology that can promote formation of permafrost without injecting chemicals even in grounds where velocity of groundwater flow is relatively fast.A ground freezing method consists of a process of installing multiple free...
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JP7200065B2 |
To provide a cofferdam system and an attitude control method of a cofferdam structural body automatically controlling an attitude of the cofferdam structural body.A cofferdam system is provided with a cofferdam structural body 2, an incl...
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JP7199161B2 |
To reduce work load and construction equipment during construction.There is provided a method for constructing water blocking wall structure 100 where hollow segments 2,4,6,8 in which internal spaces are defined by walls are jointed in h...
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JP7193324B2 |
To provide a construction method of an impervious wall having sufficient strength, capable of using Na type bentonite.In the method of constructing an impervious wall by supplying bentonite to the ground G and agitating, a water absorpti...
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JP2022187300A |
To provide a construction method for a cofferdam structure capable of securing cut-off performance and reducing the labor and time of the construction.A construction method for a cofferdam structure comprises steps of: installing multipl...
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JP7182905B2 |
To reduce work load for construction and deconstruction of a water blocking wall structure and to realize construction and deconstruction with less work equipment.There is provided a method for constructing water blocking wall structure ...
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JP7155489B2 |
To properly perform underground water pumping control on the basis of the data acquired at construction sites.An acquisition unit 22 of a water pumping control device 100 acquires the underground water level information of the constructi...
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JP7128732B2 |
To provide a construction method of an impervious wall capable of constructing an impervious wall having sufficient strength, without any problem in mixing properties of bentonite and the ground.The method of constructing an impervious w...
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JP7128731B2 |
To provide a construction method of an impervious wall capable of constructing an impervious wall having sufficient strength, without any problem in mixing properties of bentonite and the ground.The construction method of an impervious w...
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JP2022113540A |
To provide a cofferdam structure which can shorten assembly time of a cofferdam structure, and can prevent water leakage from a connection part between blocks.A cofferdam structure includes a plurality of blocks 21 detachably connected t...
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JP7111511B2 |
To exert water blocking effect between a water blocking wall structure and its installation surface.There are provided water blocking wall structures 70, 75 attached to a water blocking wall structure in which hollow segments in which in...
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JP7102872B2 |
To provide a recharge method and a recharge well system realizing cleaning effect to prevent decrease of water injection performance.A recharge well system 20 is provided with a drainage pump 25 pumping water from a recharge well pipe 21...
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JP7079726B2 |
To provide a timbering demolition method that can remove axial forces without using a jack.The timbering demolition method includes the steps of: cutting and removing a part of the cross-section of steel materials for a truss support to ...
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JP2022059200A |
To provide a cofferdam structure capable of improving workability, economical efficiency, and safety.A cofferdam structure comprises: a fixed cofferdam structural body 1 constituted so as to extend from a water bottom Wb to a water surfa...
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JP2022048501A |
To provide a recharge measurement management system capable of improving efficiency of a remote management related to a construction adopting a recharge method.A recharge measurement management system includes: a management apparatus 5 p...
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JP7034224B1 |
To provide a groundwater level lowering method and a groundwater level lowering equipment laying system for easily lowering the groundwater level with less labor and cost. In the groundwater level lowering method for lowering the groundw...
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