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JP11241348 |
To provide a temporary closing structure which can be installed to a specified position of foundation concrete, in which a necessary space to a column body can be secured without widely enclosing as in case of using steel sheet piles, an...
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JP11222850 |
To provide a coffering method and coffering structure, in which sufficient coffering and simple coffering for conducting the emergency measure of a damaged levee can be mounted rapidly and efficiently by a simple method without particula...
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JP2964282 |
PURPOSE: To cut off spring water from the peripheral ground in an underground work site, etc. CONSTITUTION: For temporary construction of a cut-off wall in an underground work site, etc., a thin channel 7 is excavated in the peripheral g...
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JP11217824 |
To provide an impervious wall facilitating the handling of a material, simplifying execution at a low construction cost and having high reliability of impervious efficiency as well as high quality. Joint members 1... are erected at certa...
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JP11207373 |
To provide a purifying method and device for contaminated underground water and/or contaminated stratum high in purifying efficiency. In this purifying method, injection water is prepared by pumping up underground water from an undergrou...
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JP11209990 |
To reduce freezing time by applying electric charge or a magnetic field to a part of a pipeline to flow a refrigerant. Electric charge or a magnetic field is applied to freezing pipes 1, 2. Therefore, since a metallic ion and an inorgani...
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JP2958632 |
To eliminate the possibility of damage of flood above floor level, by forming a cut-off wall in the stream direction with steel sheet piles and forming a cut-off wall in the breadthwise direction of a river with temporary gates and conne...
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JP11200387 |
To execute a subsurface construction such as a water storage tank safely and surely in a short time by interrupting groundwater, and to reduce construction cost. An impervious wall 5 is built so as to completely surround a section to be ...
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JP2949341 |
To reduce the number of steps of a timbering to simplify the erection work by fitting a mortar bag to a timbering previously assembled on the land, installing the same under water, and then injecting gap filling mortar. Timberings 3, 3 t...
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JP11169837 |
To crack the contaminated groud region as widely as possible by freezing the region and sucking the intrasoil gas from the ground to extract the contaminated vapor. A gas or liq. pressure injection line 2 using a compressor 1, etc., is p...
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JP2944911 |
PURPOSE: To enhance the maintainability of safety in a waste disposal facility, when forming a water cut-off structure by the junction of a polyethylene excellent in impact resistance and vulcanized rubber having a small coefficient of t...
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JP11131488 |
To provide a cut-off tank for underwater pier reinforcing work capable of minimizing the use quantity of expensive underwater concrete and cuting-off water sufficiently. A cut-off tank 10 underwater pier reinforcing work to be set on the...
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JP11117315 |
To carry out economical execution by simply ensuring the stability of temporary cofferdam works. Temporary cofferdam works have a plurality of precast panels 20 being parted along the vertical direction and peripheral direction of a pier...
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JP11117316 |
To ensure the water cutoff properties of temporary cofferdam works. The temporary cofferdam works have a plurality of precast panels 20 being parted along the vertical direction and peripheral direction of a pier and having the same cons...
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JP11100830 |
To provide an underwater temporary cofferdam installation that can omit unevenness adjustment work. An underwater temporary cofferdam installation is provided vided with a caisson installed on a reservoir side concrete face 2a of a dam b...
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JP11093140 |
To provide a cut-off structure to be durable against repeated use and reliably prevent leakage of water to the interior of a caisson. An air bag 2 is mounted on a bottom part 1a of a caisson 1. The air bag 2 is provided with a tube 4 for...
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JP11036318 |
To eliminate the possibility of damage of flood above floor level, by forming a cut-off wall in the stream direction with steel sheet piles and forming a cut-off wall in the breadthwise direction of a river with temporary gates and conne...
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JP11021908 |
To assemble and disassemble temporary coffering works simply and rapidly. Temporary coffering works have a plurality of precast panels 20 being parted along the vertical direction and peripheral direction of a pier and having the same co...
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JP11013064 |
To provide a cofferdam member assembling and sinking device which enables the assembling and sinking of cofferdam members in a easy and safe manner by using a pontoon disposed in a limited range in the case where there is limitation to a...
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JP10331153 |
To construct a continuous underground wall using precast concrete slabs, which is equipped with a high water shutoff function, water permeating function, acid-proof and alkali-proof functions, etc., as applicable in accordance with the r...
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JP10325139 |
To arbitrarily provide a continuous underground wall with various functions such as a high water-shutting function, water permeable function, and acid resisting/alkali resisting function, in consideration of the purpose and use of the co...
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JP10306451 |
To eliminate the need for the inspection of water-barrier properties mostly, and to improve water-barrier properties by a method wherein a sheet holder, in which an impervious sheet in length corresponding to the overall length of an imp...
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JP10259798 |
To perform pumping of underground water only from an aquifer present below in a state that a communication state between a well pipe and the aquifer formed above is disconnected through closing of a water intake valve by connecting a wat...
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JP10237874 |
To easily execute a work by providing a through-hole extended in one direction within a shell material, and penetrating the shell material in a prescribed length so that the through-hole of the shell material allows a river bottom or sea...
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JP2819902 |
PURPOSE: To improve the ground effectively by dispersing water-swelling fibers in water to prepare an injection material, injecting it from an injecting pipe into the ground easy to liquefy, allowing it to absorb the water contained in t...
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JP2819901 |
PURPOSE: To prevent the peripheral subsoil from induction of the settlement and sinking by replacing cut-off wall constructing steel materials with a cut-off wall capable of easily executing with high safety at a low cost in the case the...
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JP2808096 |
To provide a constructing method which enables a continuous cutoff wall to be constructed in a free planar configuration and enables the construction work to be carried out easily without site restrictions. In a method for constructing a...
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JP10195883 |
To ensure work space in the water by removing mud deposited on the bottom of water without a problem of water contamination by use of a structure which is good for work execution and can be easily removed after the completion of works in...
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JP10168915 |
To provide a method of ground excavation construction, in which the quantity of horizontal displacement in a coffering sheet pile can be inhibited to the minimum by simple structure while the efficiency of the execution of works can be i...
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JP10168890 |
To provide cutoff method and device for repairing the periphery of an underwater part of a bridge pier, by which at the time of remodeling the underwater part of the bridge pier in the aerial condition, a considerable amount of cost and ...
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JP10159050 |
To simplify an operation process and reduce the term of banking works. In a breakwater 10, the surrounding area of a structure to be built is surrounded 2 with a closing sheet pile 12. After an anchor 14 is mounted 3 on the outside of th...
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JP10147941 |
To assemble and disassemble a cofferdam construction simply and quickly. Box body blocks 20 are arranged so as to be opposite to each other with a bridge pier 12 as the center, fasteningly assembled sandwiching a box body connecting pack...
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JP10147942 |
To assemble and disassemble a cofferdam construction simply and quickly. This structure 18 is divided along the vertical direction, actually constituted of two box body blocks 20 of the same construction as main structural members, and t...
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JP2779879 |
PURPOSE: To prevent deterioration of working stabilizing liquid, to facilitate arrangement of a cut off sheet and a coupling work, and to improve work executing ability and cut-off ability. CONSTITUTION: An excavated ditch 6 is dug in a ...
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JP10102504 |
To stop water easily and positively making use of water pressure applied to a water stop wall by installing a water stop seal at the bottom peripheral part of the water stop wall of truncated cone shape or truncated pyramid shape dividab...
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JP10060882 |
To reduce the flow of groundwater current under a disposal area by shutting off with an impervious wall and providing a water permeable layer inside or outside this impervious wall. An impervious structure 20, which surrounds a stratum 1...
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JP10060957 |
To cut off ground water from an unnecessary aquifer at a low cost and easily in an existing well. In an existing well pipe 10, screens 11-13 where ground water flows in are disposed in the positions of first to third aquifers 2, 4, 6. Fi...
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JP10054037 |
To provide a coffering method having good execution efficiency without using a steel sheet pile. A plurality of arc-shaped corrugated sheets are connected in the circumferential direction on a barge adjacent to a bridge pier 11, first of...
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JP10037202 |
To prevent a hazard of earth collapse in a trench sidewall by a method wherein a pressure water jet is injected to a lower end to drive piles into the ground, sheet piles, etc., are driven among the piles and a retaining wall is formed, ...
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JP10018229 |
To provide a water area cofferdam construction method which is not interfered by existing other structures and which executes swiftly and definitely a cut-off work by cofferdam so that the work may not interfere with the navigation of a ...
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JP10018310 |
To prevent ground liquefaction and lateral flow in the event of an earthquake by encircling ground around a structure with an enclosure wall, filling the gap between the structure and the top portion of the enclosure wall with a solidifi...
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JP10008874 |
To prevent underground water from springing up into an opencut hole easily and positively in case of inserting a pipe into the ground from the open-cut hole. A part of an earth retaining wall is cut off, and the ground 13 on the inner si...
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JP10008873 |
To prevent underground water from springing up into an opencut hole easily and positively at the time of inserting a pipe into the ground from the open-cut hole. A part of an earth retaining wall 12 is cut off, and the ground 13 on the i...
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JP09316888 |
To prevent the occurrence of cracks caused by the contraction of the lower part of a solidified wall by using an etholin guide producing solidifying material as a solidifying material when a solidifying material is mixed in stabilizing l...
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JP09310351 |
To make drainage possible at a shallow pit such as the bottom of an excavated pit by a method wherein a low level drainage pump having a suctiion port at its bottom is surrounded with a screen and a water level detecting device is provid...
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JP09302918 |
To mount and demount this dry working caisson to and from a structure in the sea regardless of a tide level, and reduce time loss at the assembly by constitut ing the dry working caisson of two vertically split split bodies and forming t...
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JP09287147 |
To safely, securely, and efficiently cut off the water leakage from a continuous cut-off wall. A boring hole 8 is excavated on the ground 1 of the rear side of a water leakage position and a T-shaped steel material 10 is inserted in the ...
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JP09279569 |
To enhance economical efficiency by constructing a land slide protection wall by contacting a pile and a pile with other in a water stop unnecessary depth directional section, and constructing the land slide protection wall by partially ...
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JP09273165 |
To shorten the term of works, and to reduce cost by a method wherein an impervious shell, in which upper and lower sections are opened, is bottomed on the bottom of water and a peripheral water area is coffered, the bottom of water in th...
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JP09268562 |
To conduct work readily even in an area limited for the height of a working case by surrounding an object to be worked constructed in water with a lower case body on the level, sinking the working case formed by joining the upper case bo...
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