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JP2002317430 |
To provide a method and a structure for burying a material to be buried under ground capable of stably maintaining the state of the buried material at the time of back filling for long period without sinking and rising of the buried mate...
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JP2002310367 |
To provide a reinforced structure of a branch pipe, having sufficient strength usable even in a hydraulic pipeline of large bore with a high fluid pressure, which moreover can reduce a cost of manufacture.A reinforced beam P is constitut...
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JP2002303381 |
To provide an underground buried conduit, in which work for burying a pipe under the ground is easily performed, and the pipe is not susceptible to damage.A groove 21 is formed on an upper face of a lower side block 11. End faces of a lo...
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JP2002294733 |
To provide a holding frame for an underground structure cover capable of facilitating the installation, reducing a cost and preventing the incursion of earth and sand.The holding frame 11 for forming the edge of a rectangular opening 12 ...
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JP2002281790 |
To provide a controller for the quantity of discharge in waterwheel power generating facilities which always enables to maintain a specified quantity of water discharge, by properly adjusting the quantity of discharge corresponding to th...
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JP2002275875 |
To construct an underground structure at lower cost.The construction for burying the underground structure in a ground comprises arranging the underground structure 1 on an excavated bed rock A and burying the underground structure and i...
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JP2002275874 |
To provide electric power generation equipment for minimizing the destruction of nature by utilizing hydraulic power.The electric power generation equipment comprises two shafts 1, 2 provided and elevatable containers 3, 4 provided in th...
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JP2002256536 |
To provide an automatic flow rate adjusting rotary gate used for an irrigation channel of agricultural water.A large number of blades 6, 6, etc., are radially arranged on a cylindrical gate body 5 rotatably horizontally arranged in an op...
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JP2002242168 |
To provide an intake having a uniform velocity distribution in an intake and inflow region or a remote region even under the installing condition considering a compact layout or the like.A horizontal collar state guide plate 3 is provide...
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JP2002242812 |
To shorten a field installation and assembly construction period of a large sized horizontal shaft valve hydraulic turbine.A horizontal shaft valve hydraulic turbine has a stay vane 8 bonded to an outer casing 10 and an inner casing 11 a...
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JP2002242283 |
To quickly and easily prevent leakage of water while preventing prolongation of a construction term.In this sealing method, a sealant 12 is arranged in a joint part between precast members 10 for securing watertightness. The sealant 12 i...
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JP2002242284 |
To greatly lower a probability of generation of water leakage.In construction of an underground pipeline structural body, a sealant 12 is arranged in a connection joint part between precast members 10. The sealant 12 is provided with an ...
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JP2002235317 |
To provide the seal structure of sliding double doors sealing between pipe end faces and the doors and door mating faces without hindrance.In the seal structure of the sliding double doors moved in the direction that the doors are crosse...
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JP3343407 |
PURPOSE: To simplify the construction of a shield tunnel receiving an inner pressure. CONSTITUTION: A plurality of twisted PC wires 2 are buried along an arced face so as to be able to freely slide without contact with concrete by use of...
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JP2002199532 |
To provide an end station method for branch cables in a concrete trough and its method.In a concrete trough 1 comprising a U-shaped trough body 2 and its cover 3, recessed portions are made at suitable positions which are located at the ...
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JP2002167741 |
To make a drawing and a document required for execution management on the basis of positional information obtained by a survey of a pipeline and various information on a buried structure including the pipeline.Positional coordinates of a...
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JP2002167739 |
To perform confirming and repairing works of failure parts in a pipeline by moving in the pipeline.This in-pipeline self traveling type working device is provided with a moving machine body 20 having moving means 21 and 22 movable in the...
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JP2002167740 |
To prevent sedimentation of soil and organic substances in a dam, which impairs the dam functions and the environmental condition, by sucking and discharging the soil and the organic substances by a water conduit, and to simultaneously s...
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JP2002155539 |
To quickly repair an existing pipe of an existing manhole into a new pipe and to exhibit sufficient watertightness between the new pipe and the existing manhole.This method is to repair the existing pipe connected to a bore in a wall sur...
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JP2002155847 |
To provide a large-scale power generation by receiving running water and letting it flow using the inclination of large-scale troughs, forming the passage and the inclination similarly to the conventional torrent, extending the troughs b...
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JP2002147329 |
To provide a highly efficient moving object type wave power energy conversion device capable of avoiding the action of harmful force on a moving object, of amplifying the amplitude of vertical motion of water level around the moving obje...
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JP2002147186 |
To provide a base isolation structure using conventional vibration isolation apparatuses, for an underground structure, which can exert the function of the vibration isolation apparatuses without exposing the same to the outside.The base...
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JP2002144322 |
To provide an insert mounting device for hanging and mounting a concrete structure capable of easily and surely fixing a clamping type insert to be embedded in the structure to a prescribed position of a mold for molding.The insert mount...
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JP3307725 |
PURPOSE: To simplify construction so as to reduce a construction period and a construction cost by forming a shield tunnel to which an internal pressure is applied. CONSTITUTION: PC steel bars 2 are separated from concrete by sheaths 3 c...
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JP2002138451 |
To provide a capable trough cover solving such problems that a concrete trough body and the cover make noises by vibration in the case a train passes and that the concrete through body and the cover are rubbed against each other to scatt...
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JP2002138450 |
To provide a lightweight manhole box body for underground conduit pipe line offering good workability.This is a box body 1 for a manhole interposed in an underground conduit pipe line for a transmission line and communication line 'a'. T...
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JP3303156 |
To improve safety during work by allowing a boxed trench towable which has the length equivalent to the length of one pipe to be placed and the side walls tapered to be narrower downward, to a road surface direction with the piping porti...
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JP3305868 |
PURPOSE: To finely and precisely measure the propelling direction even in case of the long-distance propulsion in a circularly curved part. CONSTITUTION: The azimuth line and inclination line drawn on the index part of a magnetic measuri...
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JP3305683 |
To provide an electric pulse generator which makes reduction of facility capacities possible, by averaging the value of current which flows into a capacitor when it is charged. This generator has a capacitor C1 for obtaining electric pul...
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JP2002127119 |
To solve such problems that a work of standing a tap to be stood in a form for setting a sleeve at each time of changing a position of a hole for passing a cable or a duct formed of the sleeve at a wall surface crossing a culvert for bur...
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JP2002115240 |
To facilitate setting of an intake gate in an existing intake dam while minimizing installation costs thereof.The intake gate 21 of the intake dam is set as follows. The intake dam includes a dam body 22, and an external cylinder 21a and...
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JP2002115649 |
To provide a device and a method for reducing water hammer generated in a high-pressure water channel causing the propagation of water hammer.In this device for reducing the water hammer in a hydraulic pipeline, a water hammer absorbing ...
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JP3296979 |
To make out a consistent plan. A manufacturing of longer structure and installation work planning device is so constituted that when a procedure is started, an initial setting is made in S1, sectional area SA1-SAn every duct A1-An is cal...
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JP3296946 |
To make the structure of this device rugged and difficult to be destroyed and facilitate maintenance work and repair work as well. A plurality of float units provided with a float 2, which is shaped like the bottom of a ship in a cross s...
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JP3293234 |
PURPOSE: To provide a pipe installing device capable of reducing a burden of a worker and further improving safety and work efficiency. CONSTITUTION: A device is provided with a pipe material conveying supporter machine 7 having a runnin...
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JP2002096990 |
To provide a positioning method for a structure, and a positioning device therefor, capable of corresponding to all of multi-point suspending, high-precision positioning, wide range positioning, and a restriction in a small installing po...
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JP3292824 |
To improve work execution efficiency. A preceding pipe body 10 is sunk in a drilled groove 2 and a first first locking box 51 and a second locking box 52 are sunk. The first locking box is removed without waiting for the solidification o...
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JP2002088739 |
To provide a long span covering lid capable of promoting weight reduction according to load strength to the required and cost reduction.An arch-shaped covering lid 1 erected upward of a channel or a water tank is so constituted that a sq...
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JP3281218 |
PURPOSE: To achieve the quick and efficient connection. CONSTITUTION: When a first pipe body P and a second pipe body 30 separated from each other are connected to each other by using a connecting device M, the connecting device M is pro...
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JP3279227 |
To construct an intake pipe without occupying a straight rising part. This construction method allows to construct a shield tunnel 12 by constructing a starting vertical shaft 10, breaking the wall of the starting vertical shaft 10, and ...
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JP2002054126 |
To provide hinge pipe-type intake facilities which can be visualized, from a distance, that water is taken in from a location slightly below a water surface, and downsize an operating chamber and reduce costs of the facilities.The hinge ...
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JP2002047672 |
To provide a high-pressure energy storage facility in a sharply reducing the number of concrete plugs, shortening the concrete plug in length, and formed with a safe and reliable structure against the sliding of the concrete plug.This hi...
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JP2002047676 |
To provide a buoyancy preventing structure constructed in the ground having a high groundwater level or in the soft ground and capable of preventing the uplift pressure applied to an underground common duct by the pressed groundwater.An ...
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JP2002021047 |
To provide a river cleaning apparatus capable of preventing the clogging by Sediment or dirt without deteriorating the previous advantage of river water cleaning by natural efflux.This apparatus comprises a water level adjusting weir 7 i...
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JP3268622 |
To secure concrete blocks to a foundation without causing sliding and falling-in. Lock materials 2 have the lower parts embedded and fixed into a foundation 1 where large concrete blocks (a) are arrayed and the upper parts protruded abov...
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JP2002013123 |
To prevent lowering of pressure of washing water to discharge refuse captured by a basket of a travelling screen out of a channel.The captured refuse is discharged by jetting washing water to the basket of the travelling screen provided ...
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JP3261632 |
PURPOSE: To control an air supply valve effectively even in a power plant, in which a head is changed largely, by automatically controlling the quantity of air supplied by the flow rate of water at the time of a set head or more and full...
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JP2001348852 |
To provide an embedding structure for a construction and its embedding method for reducing outer pressure on a complicated-shape structure such as a pipe passage opening/closing gate device to be embedded in a mountain via a concrete due...
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JP3259148 |
PURPOSE: To perform continuous construction of a concrete structure and to easily and rapidly form a discontinuous part when a discontinuous part is formed in the middle of a concrete structure, such as a circular channel, through a slip...
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JP3257881 |
PURPOSE: To maintain the diameter of an inner pipe, while reducing the diameter of an outer pipe, by rationalizing a work to fill space between the outer surface of a double pipe and the natural ground with a slip agent, a work to fill s...
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