Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 1,324

Document Document Title
JP2004518528A
To provide a system, a component, and a method related to an underground inclusion barrier (500). A laterally adjacent tubular casing having a male mutual locking structure (402A) and a large number of female mutual locking structure dra...  
JP2004132177A
To provide a pumping and draining device capable of reducing the cost for work, properly draining the groundwater of a first aquifer 5 to a second aquifer 6, and properly removing a filtered matter accumulated on a draining layer screen ...  
JP2004116220A
To reduce a cost by reusing a material without generating industrial waste when lowering an underground water level with a ground water level lowering device.The ground water level lowering device 1 exposing an upper end 3a on ground, en...  
JP2004092095A
To provide a method for lowering a groundwater level that can possibly reduce time and costs for work by lowering groundwater at a lower cost and in an easier manner than a conventional groundwater lowering method.A groundwater pumping d...  
JP2004068485A
To extremely effectively remove groundwater in a surface layer of the ground at a construction site, during the implementation of a deep well construction method.A casing pipe 5 having water holes 6 is erected in a shaft 3 excavated in t...  
JP2004052277A
To provide a construction method for a double closing levee capable of greatly contracting a construction term and costs necessary for the construction of a double closing levee and lessening influence giving to the environment.A substan...  
JP3478480B2
To objectively verify whether impervious sheets are normally engaged with each other and provide a work execution control method simple in verification principle and measuring structure. In this method, impervious sheets 1A and 1B have a...  
JP2003328344A
To efficiently perform water collection through wellpoints, and pumping action by easily constructing a pumping apparatus in using a high lift wellpoint construction method.A casing pipe 10 of prescribed length is disposed inside a hole ...  
JP2003286724A
To provide a differential pumping earth retaining wall for pumping a necessary amount of ground water at a necessary depth for a necessary period by eliminating the necessity of many keep wells in a site, and to provide a differential pu...  
JP3455081B2
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...  
JP3452217B2
PURPOSE: To make it possible to regain water permeability after the completion of the construction of an underground structure by forming the lower ends of an earth retaining wall up to the depth for balancing between active earth pressu...  
JP3451050B2
To perform definite drainage on the job site for an underground structure and also to reduce construction cost. A drain box 1 capable of definitely carry out drainage of underground water to a shallow swamp 15 and preventing water leakag...  
JP3445786B2
To smoothly and efficiently return water in the ground without clogging the ground by an oxide granular material of dissolved iron in returning the pumped-up water. This method pumps up underground water flowing inside a pumping casing p...  
JP3440065B2
To provide a sandbag, swelling when contacting with water to serve water shielding function, decreasing in weight and thickness, giving no damage to environment after usage, and facilitating waste disposal. The sandbag 1 comprises a wate...  
JP2003201709A
To provide a sandbag, which has fast water swelling velocity, in which contents in the case of a swelling are not leaked and the operation of which can be prepared rapidly.The sandbag 1 is composed of an outer bag 2 having water conveyan...  
JP2003193543A
To provide a construction method for draining ground and its member capable of preventing a drop of water from being penetrated into the ground even when only the ground surface which is formed out of crushed stone and surface soil is we...  
JP2003520916A
A method for introducing a moisture-impermeable layer into the ground, wherein the moisture-impermeable layer is placed into the ground in a trench, which trench is supported by one or more casing members and filled with a clay-containin...  
JP3410584B2
To conduct operation under the same state as a land even in a great water depth section by sinking a temporary coffering caisson body, in which one side is open, on the foundation of the lower end section of a structural section, drainin...  
JP3406554B2
To provide a ground-water level lowering method with which ground- water level can be lowered efficiently with few collecting and draining facilities when excavation of a deeper area than the ground water level is required, or the area t...  
JP2003119793A
To provide a underwater working method which enables work at a site necessary for work irrespective of a tide level for the working method applicable to work such as welding or the like below the surface of the water for a steel pipe lai...  
JP3387436B2
To provide a temporary shutoff construction method and a temporary shutoff structure which can reduce both construction cost and a construction period by simplifying installation and removal. In this temporary shutoff construction method...  
JP3379391B2  
JP2003013436A
To provide a system for controlling a groundwater level, which does not pump excessive groundwater from pumping wells, and ensures the safety of construction thereof, and to provide a method for controlling the groundwater level.The syst...  
JP2003500530A
A reinforced networked polymer/clay alloy composite is produced by contacting a monomer/clay mixture with a reinforcing agent. The monomer/clay mixture comprises a monomer, a cross-linking agent and clay particles. An initiator means is ...  
JP2002371556A
To shorten a construction period while preventing the heaving of an excavated bottom face in excavation work for the inside of a temporary cutoff wall installed around a structure in constructing the structure such as a bridge pier. In t...  
JP3338910B2
PURPOSE: To greatly increase a bending resistance force of the freezed ground so as to the thickness of the freezed ground (freezed area) and to restrain the ground from being expanded by freezing. CONSTITUTION: Freezing pipes 4, 14 and ...  
JP3338909B2
PURPOSE: To provide a simple stratified pumping well capable of separately pumping water from a plurality of aquifers. CONSTITUTION: A drilled hole 31 is formed, so as to penetrate an impermeable layer 1 and reach an aquifer 3 existing u...  
JP3337293B2  
JP3324012B2
PURPOSE: To enable the construction of a permeability-retardant layer quickly and economically. CONSTITUTION: A sheathing wall 1 is constructed in the depth where it reaches a permeable layer 4, an injection pipe 2 having a length arrivi...  
JP3318401B2
PURPOSE: To surely prevent the outflow of a seepage liquid to the outside sea from the reclaimed ground side at a reclamation disposal site or after the completion of reclamation, simplify the facility structure, and facilitate the opera...  
JP3295446B2
PURPOSE: To provide a method for welding and laying a water barrier sheet by efficiently producing the water barrier sheet having a large area on a float by welding to lay the same and to provide a device therefor. CONSTITUTION: A roll-s...  
JP3286862B2
PURPOSE: To provide a water stop sheet having excellent weather resistance, chemical resistance, heat resistance, cold resistance, breaking load, sealing property, softness, durability, and workability at the time of execution. CONSTITUT...  
JP2002121743A
To provide a ground water lowering method capable of directly discharging ground water from the inside of the ground to artesian aquifer without pumping up on the ground, and a ground water lowering device therefor.This ground water lowe...  
JP2002038466A
To provide a connection method of an impervious sheet having a highly impervious property and which can be easily connected and its joint member.The joint part 12 located at the side end of the impervious sheet 2 at the time when it is i...  
JP2002030636A
To provide a reclamation method capable of suppressing ground subsidence after reclamation of the sea and lakes which are soft grounds.In this reclamation method in which water is drained from a closed water area formed by using partitio...  
JP2002030669A
To provide a temporary coffering work method and a frame body for temporary coffer capable of performing a temporary coffering with a simple and inexpensive method without using a driving machine so far mandatory in a temporary coffering...  
JP3250472B2
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...  
JP3250471B2
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...  
JP3248146B2
PURPOSE: To insert a water impermeable sheet in a linear groove surely with an extent of surface to a designated depth, to decrease the number of joint parts so as to improve the work efficiency of joint construction and improve water im...  
JP3240394B2
PURPOSE: To increase imperviousness and facilitate the connection work of impervious sheets by making the impervious sheets in double construction and connecting them in a large shaft in which grooves are connected. CONSTITUTION: Multipl...  
JP2001323476A
To provide a cofferdam construction method capable of easily constructing, whithout using any special apparatus, structural body for forming a working environment in dry condition around piers.The cofferdam construction method comprises ...  
JP2001303580A
To provide a temporary shuttering method and structure using a caisson, capable of easily forming a wide working space portion outside a column part, and permitting repair work, etc., for the column part to be carried out well. In the te...  
JP2001259561A
To upgrade the water barrier performance and reliability of the water barrier wall by a water stop sheet.In the water barrier wall 1 with a water stop sheet 3 installed in a groove 2 formed underground, a double sheet is used as the wate...  
JP3200781B2
PURPOSE: To reduce the expense by a method wherein when a landslide protection wall is built, pumped up underground water is reduced to an underground not through a sewerage and a bored hole but through a permeation layer. CONSTITUTION: ...  
JP2001214452A
To provide ground-water level lowering method without any restrictions on installing places with which water level lowering can be performed enough even in places where vertical wells are hard to install.Lowering the ground-water level i...  
JP3195954B2
PURPOSE: To bore a hole and install a drainage pipe in the hole without flowing out sand by only treating water and prevent sand after the installation by using the drainage pipe as a screen pipe and take in only water and perfectly prev...  
JP2001200251A
To provide a grout which is especially suitable for producing a watertight screen and does not need the addition of a retardant. This grout comprises a mixture containing water, a natural or modified clay, a special blast furnace slag, a...  
JP2001164564A
To provide an impervious wall for improving an underground continuous wall partitioning the inside and outside of a site in order to prevent the leakage of polluted water from sewage disposal plant or the like.A connecting drainage route...  
JP3178319B2
To build a reliable water barrier layer economically. For example, a propulsion machine having at least two units of propulsion apparatuses connected by a grooving steel plate is advanced under the ground from a starting base A which is ...  
JP2001140235A
To provide a light impervious device capable of facilitating the conveyance/storage, easily and quickly carrying out the construction of an impervious wall and automatically increasing weight with water to become the impervious wall. A s...  

Matches 501 - 550 out of 1,324