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Patent Searching and Data


Matches 251 - 300 out of 1,836

Document Document Title
JP2015071873A
To efficiently perform steps from construction of an earth retaining wall to pumping of groundwater.After a sheet pile 30 is pressed into ground 92, some of jet pipes 50 are kept buried without being extracted from the ground 92, and gro...  
JP3196821U
[Subject] A stop device for cutting off water in a stream of groundwater is provided using an inflow and an outflow by natural water pressure of groundwater. [Means for Solution] It is a stop device for being laid under the underground G...  
JP2015048687A
To install a cofferdam in a low head environment while reducing construction period and cost.A low head mobile crane barge 10 includes a barge part 12 and a crane 14. The barge part 12 is U-shape with a concavity 20 on a side of a rectan...  
JP5681039B2  
JP2015031124A
To provide a groundwater guidance system that can easily transfer groundwater, and a groundwater guiding method.A groundwater guidance system 10 includes: a tubular part 11 that is inserted into an excavation hole A from above; a packer ...  
JP5661956B1
[Subject] A waterproof system which can intercept an inflow of groundwater towards nuclear reactor installation and with which it can present practical use is provided. [Means for Solution] Heat pipe 10 which was a waterproof system of t...  
JP5648498B2  
JP2014237952A
To provide a method for constructing an underground wall, capable of efficiently forming the underground wall in a cavity part existing underground.A pipe body 9 and a bag body 7 are inserted into a drilling hole 3. Then, a filler is sen...  
JP5643548B2  
JP2014234681A
To prevent a pressure-reduced state in a well pipe from being made maintainable due to air flowing into the well pipe when lowering a ground-water level by using a vacuum deep well.An inventive ground-water level lowering system 1 evalua...  
JP2014227660A
To seal sump water of groundwater by digging a hole around a building by a boring and inserting a refrigerant pipe into the borehole to freeze ground like a vessel, and to prevent the leakage and diffusion of internal contaminated water....  
JP2014218847A
To provide a temporary cofferdam wall capable of preventing sandbags from flowing out through easy construction.There is provided a temporary cofferdam wall 10 for temporary cofferdam that comprises a sandbag stack 11 formed by arranging...  
JP2014190072A
To facilitate tightening of a caisson to the side of a dam body in the water and suppress variations of tension acting on clamping hardware after the tightening as much as possible.Clamping hardware for underwater cofferdam has: a caisso...  
JP5598246B2  
JP2014161835A
To provide a structure of a sump capable of efficiently precipitating earth and sand in slurry, resulting in no damage to a submerged pump.A structure of a sump comprises: an outer cylinder arranged outside; and a spiral water channel ar...  
JP2014157090A
To accurately evaluateC deriving from a natural organic substance to measure the age of groundwater.Groundwater 3 is passed through an adsorption column 12 filled with hydrophobic synthetic adsorption resin 11 to make uranine contained i...  
JP5579530B2  
JP5572540B2  
JP2014134057A
To provide a cofferdam structure for performing a work in an aerial space that is to be done in a part below the water level of a structure having underwater part, and a cofferdam method for the structure.A cofferdam structure 10 for per...  
JP5548282B1
[Subject] A deadline structure for a part to do the work by a part for the lower part of the water surface of the structure which exists under the water surface between mind hollow, and the deadline method of a structure are provided. [M...  
JP5541533B2  
JP2014101661A
To provide a groundwater level raising system or the like, capable of efficiently recovering a groundwater level.A groundwater level raising system 1 is provided on a groundwater downstream side of a soil-stopping wall 101a on a groundwa...  
JP5510692B1
[Subject] Temporary tightening OFF is installed in the environment of the low-altitude head, reducing a construction period and cost. [Means for Solution] Portable crane 台船 10 for low altitudes contains 台船 part 12 and crane 14, a...  
JP5508917B2  
JP2014088714A
To provide a temporary supporting method for a foundation, enabling base isolation of an existing building at low cost while reducing stress induced in the foundation of the existing building.In a temporary supporting method for a founda...  
JP2014088721A
To simplify a cofferdam work and improve the efficiency of the cofferdam work in a retaining wall repair work of an irrigation channel.A bottom dam plate part 3 is projected downward over the whole length of a bottom of a slender hull 1 ...  
JP2014084647A
To provide a drainage system and a drainage method, which can prevent a large amount of groundwater from flowing out to a ground surface during earthquakes.A drainage system includes: a plurality of hollow cylindrical drainage materials ...  
JP2014047533A
To provide a box body for cofferdam, which can be efficiently installed in and removed from an underwater structure such as a bearing pile and a bridge pier, and a cofferdam construction method using the same.A box body 1 for cofferdam i...  
JP2014015809A
To provide cut-off of water for a joint part of a steel sheet pile, with which work can be performed easily by using low-priced materials and a water cut-off performance of a cutoff wall can be improved easily.According to the cut-off of...  
JP5389746B2  
JP5390044B1
[Subject] What is necessary is just not to need large-sized equipment of a work barge provided with a crane etc., and to eliminate necessary minimum deposition earth and sand, and it provides an underwater retaining wall construction met...  
JP5385720B2  
JP2013245527A
To provide a drain ditch structure constructed on a slab and capable of easily and surely preventing finish mortar of a bottom part of the drain ditch structure from rising, and a concrete form fixing member.A drain ditch structure A is ...  
JP2013238067A
To provide a shallow sump in which blades of a submersible pump 4 are unlikely to be damaged, by precipitating sediment in slurry.A shallow sump comprises an outer cylinder 1 in the outside, a center cylinder 2 installed in the center, a...  
JP5338064B2
To provide a method for preventing the oxidization of groundwater in a well in the nonuse of the well, and the well for use in the method. The well 1 comprises: a column pipe 13 for collecting the groundwater inward; an injection section...  
JP5320728B2
To provide a service well which is usable during and after works such as the construction of an underground structure and not damaged even if a horizontal load due to an earthquake acts thereon and also provide a method of constructing t...  
JP5264978B2
To provide a water cutoff wall body for cutoff, capable of facilitating, simplifying and shortening a diving operation and shortening a construction period. The water cutoff wall body for cutoff includes: a floor base 11 of a water cutof...  
JP5231344B2  
JP5218004B2  
JP5212070B2  
JP2013108316A
To provide a water cutoff wall body for cutoff, capable of facilitating, simplifying and shortening a diving operation and shortening a construction period.The water cutoff wall body for cutoff includes: a floor base 11 of a water cutoff...  
JP5204626B2  
JP2013091969A
To provide an inexpensive cofferdam structure with proper workability by reducing a dead space of an inner space.A cofferdam structure 100 for use in construction of a through-hole in an existing dam body 1 includes a cylindrical body 20...  
JP2013091923A
To enable a reduction in underwater work, and to enable a fixation state to a support member to be easily and visually recognized from the outside.A cofferdam structure includes: a lower support frame 2 which is fixedly provided on a wal...  
JP5178635B2  
JP5173783B2  
JP5158652B2  
JP5132506B2  
JP5132435B2  
JP2013011123A
To provide an apparatus for temporarily coffering the periphery of a columnar object which can be reused by moving one partition with bottom plate for work space formation even for construction to columnar objects such as bridge piers ha...  

Matches 251 - 300 out of 1,836