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Patent Searching and Data


Matches 801 - 850 out of 14,005

Document Document Title
JP2013141647A
To prevent the eutrophication of a water storage area by the flowing-in of water containing nutrient salt.By pumping up water of the water storage area 1 wherein a water temperature differs from inflow water 3 and mixing the inflow water...  
JP2013142283A
To solve the problems that sediment on the bottom of a dam and sediment inside of an intake weir may increase with the lapse of time, energy consumption and a motive force may be required for discharging the sediment to the outside of a ...  
JP2013142671A
To provide a sluice gate management method which properly evaluates the soundness of a sluice gate by properly understanding the risk due to the decrease in thickness of a steel plate of the sluice gate.In a management method of a sluice...  
JP2013142249A
To provide a system and a method for managing a placement state and a placement position of concrete.The system for managing the placement state and the placement position of the concrete includes a device for inputting and transmitting ...  
JP2013529267A  
JP5240790B2  
JP5236794B2  
JP5235012B2  
JP2013130025A
To provide a movable check stand which secures a check place of an intake gate.A movable check stand 5 comprises a sliding check passageway 6 which is installed through a hinge 11 to an upper-stage downstream-side check passageway 4a in ...  
JP2013130002A
To provide a metallic transmission type sand control dam which hardly causes swell-head even when a width of a river bed is wide, is capable of surely capturing debris flow and also suppressing outflow of a large amount of sediment from ...  
JP2013130007A
To provide a construction method of a cofferdam structure capable of resisting buoyancy that acts during construction without inviting a failure.The construction method includes execution of: a first step of abutting an opening 21 provid...  
JP5224829B2  
JP5226584B2  
JP5225898B2  
JP2013124510A
To provide a cofferdam structure that can cope with the buoyance that is acted associated with the water drainage work of an inner space in construction.A step in which a planned opening position 4a of a through hole 2 on a dam body upst...  
JP2013124450A
To provide a water gate opening and closing device which reduces costs of a device body, and reduces overall costs such as installation costs and maintenance management costs by constituting the device body compact.A water gate opening a...  
JP2013122115A
To provide a technology for reducing causes of destruction due to an earthquake such as the "Great East Japan Earthquake" which occurred on March 11, 2011, in which all breakwaters and houses were washed away in disaster areas as conside...  
JP5212198B2  
JP2013119703A
To provide a long induction heating apparatus of which electric wire for induction heating can be easily replaced without demolishing a structure and which is simple in structure and can be manufactured at low cost, and a water gate usin...  
JP2013119746A
To provide a flood preventive structure capable of suppressing the depth of a storage groove, using a hardly breakable and simple configuration.A flood preventive structure 1 includes: a storage groove 2 buried underground with its top e...  
JP2013119740A
To provide a portable operation terminal for a gate driving device and a gate driving device operation system which support operation of the gate driving device in a facility where the same is installed.A portable operation terminal incl...  
JP2013117118A
To provide a steel dam of which the corner portion can be prevented from being worn without using concrete, and a design method of the steel dam.A steel dam 100 comprises a pair of non-overflow parts 10 and a permeable part 20 held betwe...  
JP5207091B2  
JP5207003B2  
JP5209008B2  
JP5211026B2  
JP2013113013A
To provide a cofferdam structure that can be constructed using a crane smaller than that in the prior art.A dome-shaped cofferdam structure 100 to be used in through-hole construction in an existing dam body 1 is divided into plural part...  
JP2013107040A
To provide a piping line system and a method for removing impurities of a piping line capable of not only removing the impurities clogged in an object part of the piping line but also flexibly corresponding to various piping lines.The pi...  
JP5205146B2  
JP5203536B1  
JP5204064B2  
JP5205147B2  
JP5204065B2  
JP2013104203A
To provide a cofferdam structure which can surely cope with a buoyant force acting during construction.A cofferdam structure 100 used when constructing a through hole 2 in an existing dam body 1 comprises: a dome body 10 whose opening 21...  
JP2013104294A
To provide an emergency protection device capable of fully dealing with even an onslaught of a high tsunami.An emergency protection device has a plurality of supporting members installed on a protective bank such as a breakwater or a coa...  
JP2013100681A
To provide a floating body type flap gate which never overflows in the beginning of influx, and is not apt to be hard to fall down even in a case of a drop in water level, and made not to fall down abruptly.There is provided a floating b...  
JP2013100680A
To enable an abnormality and deterioration diagnosis of a brake device in a gate lifting device to be achieved in a simpler configuration.It is diagnosed whether or not a brake device 2b in a gate lifting device 2 of a wire rope type slu...  
JP2013096156A
To prevent a wire for suspending a door body of an upper most stage from becoming an obstacle when moving the door body to a prescribed position of a storage chamber, in a multiple type selective intake device.In an inspection method of ...  
JP2013096190A
To provide a simple structured, low cost intake gate control system for controlling an intake gate installed in a water intake channel of a hydraulic power plant.An intake gate control system for controlling an intake gate 4 installed in...  
JP2013096122A
To provide a flap gate that smoothly discharges water when an upstream-side water level is low or when a large amount of water is discharged, and prevents water from flowing back when a river-side water level and a sluice pipe-side water...  
JP2013092005A
To develop a concrete block used in a case where in constructing a mass concrete building at a dangerous site to work or for short construction period, concrete blocks are produced at an another safe site under good working condition, tr...  
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...  
JP5198262B2  
JP5199134B2  
JP5197520B2  
JP5199227B2  
JP2013087573A
To reduce the power consumption of an anti-icing device for sluice that has a tube body installed at a heated member arranged at an anti-icing part of sluice facilities, and makes the tube body generate heat by induction, by making a par...  
JP2013087428A
To provide a sluice device which prevents the occurrence of water leakage and stably performs the lifting and lowering operation of a lid body.In a sluice device 1, a lid body 10 is formed in a disk shape capable of closing a drain hole ...  
JP2013087510A
To attain a press fixing amount according to an erected state of a door body.A watertight structure is between a door body 2 and a side part door stop 3 of a floating body type flap gate 1 installed at an opening or a gateway and provide...  

Matches 801 - 850 out of 14,005