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Matches 201 - 250 out of 1,904

Document Document Title
JP6619204B2  
JP2019199767A
To easily lower a ground water level using a water pumping device when earth retaining is installed in a place where a ground water level is at a comparatively deep position and foundation is excavated.A water pumping device 20 includes ...  
JP2019183569A
To provide an installation method for a cofferdam structure used in bridge pier maintenance and strengthening works, which can clean the top of a bed protection without requiring underwater works of divers during the cofferdam structure ...  
JP2019183410A
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...  
JP2019183570A
To provide a water-stop method for a cofferdam structure used in bridge pier maintenance and strengthening works, in which water stop woks for the cofferdam structure can be easily carried out above water without requiring underwater wor...  
JP2019157566A
To provide a groundwater level raising system and the like which can be applied even when space is limited and which can easily raise groundwater level.A groundwater level raising system 2 is used in pumping from a subsoil 1 and excavati...  
JP6563343B2  
JP6559289B1
[Subject] Provide a cut-off method of a temporary tightening end structure used for bridge pier repair and reinforcement work on which water cutoff work of a temporary tightening end structure is easily done on water surface, without req...  
JP2019127701A
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...  
JP2019108766A
To provide a maintenance method of frozen soil and a construction method of frozen soil which can construct frozen soil in a short period and which can properly maintain frozen soil thickness by preventing thawing and excessive formation...  
JP6498395B2  
JP6480745B2  
JP6475310B2  
JP6463146B2  
JP2019007216A
To provide a disassembling method capable of easily disassembling a timbering.When disassembling a vertically installed timbering unit 10 inside a steel pipe sheet pile 4 cutting off a water area after drying up the inside of the steel p...  
JP2019007232A
To provide an installation method of a timbering and the like capable of easily and properly installing a timbering.When installing a timbering unit 10 inside a steel pipe sheet pile cutting off a water area, a bracket body 82 including ...  
JP6450954B2  
JP6454674B2  
JP6447046B2  
JP6448085B2
The purpose of the present invention is to provide an artificial ground freezing method having good coolant thermal efficiency without a gas-phase coolant being released into the ground or into the air. For that purpose, the present inve...  
JP2018197470A
To provide a recharge method that makes it possible to preferably maintain water pouring performance of a water pouring well for a long time and enables efficient and effective operation.A recharge method includes: by a filtering device ...  
JP2018197469A
To provide a recharge system and a recharge method that are capable of eliminating sewage water discharge of effluent such as underground water at the time of maintenance, and makes it possible to implement efficient and inexpensive pref...  
JP2018197472A
To provide a recharge method that makes it possible to appropriately perform optimum setting of a specification and the like of a filter device.A recharge method including removing an insoluble substance in object water W1 by filtering t...  
JP2018197471A
To make it possible to preferably supply a precoat material and accurately form a precoat layer on a surface of a spring-type filter.A recharge method including removing an insoluble substance in object water W1 by filtering the object w...  
JP2018193836A
To provide a cofferdam construction method which almost dispenses with an underwater work, and achieves improvement of working efficiency, shortening of a construction period, and cost reduction.A cofferdam construction method for constr...  
JP2018188799A
To provide a water discharge sump whose structure is simple and manufacturing cost is low, and which can solve clogging of a suction port of a submerged pump, and to provide a sump water discharge method.A water discharge sump 10 at leas...  
JP2018178421A
To provide a method for lowering a groundwater level to allow the groundwater level to be effectively lowered.A method for lowering a groundwater level of the present invention is configured by arranging porous materials on a bottom wall...  
JP6402656B2  
JP6401574B2  
JP2018154997A
To provide a wall body structure capable of omitting a connecting member to which a tensile force is applied by connecting a pair of wall bodies.A wall body structure 1 having a filling material 13 includes a first wall body 8A in which ...  
JP6400424B2  
JP2018145749A
To provide an installation method of a cofferdam structure for use in a bridge pier repair and reinforcement construction which can easily construct the cofferdam structure on the water, and easily perform a lowering work of the cofferda...  
JP2018145606A
To provide a groundwater utilization system capable of effectively utilizing groundwater pumped to lower a groundwater level.A groundwater utilization system is provided with: a hollow cylindrical casing pipe 2 buried generally verticall...  
JP2018138726A
To provide a hollow segment, an annular structure configured to be connected a plurality of the hollow segments to each other, and a cut-off wall structure configured by vertically stacking a plurality of the annular structures to enhanc...  
JP2018127834A
To securely reinforce an existing foundation structure while reducing the use of steel materials.A foundation reinforcing structure 12, which reinforces an existing foundation structure 11, is formed by a plurality of steel sheet piles 1...  
JP6366663B2  
JP2018104913A
To provide a method to shut-off a flowing of groundwater in a back ground of an earth retaining wall.A water shut-off body 10 is formed by solidifying supercooled solution in a back ground G1 of an earth retaining wall 40.SELECTED DRAWIN...  
JP6351776B1
[Subject] Build a temporary tightening end structure easily on water surface, and provide the installation construction method of the temporary tightening end structure used for the bridge pier repair and reinforcement work on which the ...  
JP6350882B2  
JP6347972B2  
JP6342097B1
[Subject] It has a compensation function of extensive Narrow of an interval, and provides water cutoff steel materials which enable construction of a cut-off wall of stronger composition. [Means for Solution] The upper stream side steel ...  
JP6338890B2  
JP2018071345A
To provide a cofferdam structure capable of improving a construction efficiency when a working space required for construction of an underwater structure is formed.A cofferdam structure 1A has first and second fitting ends, and has a par...  
JP6315700B2  
JP2018031238A
To provide a cut-off method of a cofferdam structure used for bridge pier maintenance and reinforcing work which can easily perform the cut-off work of the cofferdam structure without the necessity of underwater work by a diver.In a coff...  
JP6282836B2  
JP2018025039A
To provide an installation method for a cofferdam structure to be used for bridge pier maintenance/reinforcement work by which the cofferdam structure can be easily constructed on the water and work for moving the cofferdam structure dow...  
JP6274688B1
[Subject] Underwater work is done almost unnecessary and a temporary tightening OFF construction method by which improvement in working efficiency, shortening of the time necessary for completion, and cost reduction were attained is prov...  
JP6277100B2  
JP2018017111A
To provide a construction method of a water cutoff work space capable of efficiently constructing a water cutoff work space, and capable of restraining deformation of a sheet pile for partitioning a water area, when constructing a bridge...  

Matches 201 - 250 out of 1,904