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JP7288847B2 |
To achieve a pump diagnostic method and a pump diagnostic device, which can perform effective diagnosis even in a state significantly different from a load environment at the time of actual use.A method for diagnosing a pump having a mec...
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JP7286423B2 |
To provide a technique that reduces the construction period and construction cost for a cylindrical structure compared with conventional construction methods.A cylindrical structure for an erosion control dam comprises: an outer shell se...
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JP3242178U |
[PROBLEMS] To solve the problem that the amount of distortion in the riverbed portion of the cover layer is larger than the amount of distortion in the riverbank portion of the conventional suspended impermeable wall, and as a result, th...
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JP2023074629A |
To provide a constant identification program capable of defining constants of a model formula without spending effort and time.A constant identification program makes a computer 31 execute an input acceptance process, an analysis value c...
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JP3242152U |
The present invention provides a flexible vertical water cutoff wall that minimizes the risk of tearing the cutoff wall. The method belongs to the technical field of hydroelectric power construction, and includes a first concrete layer (...
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JP7280567B2 |
To provide a catching body capable of being manufactured simply and in a short period and having sufficient durability, and to provide a block for a catching body capable of manufacturing the catching body.A catching body 1 comprises: a ...
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JP7280753B2 |
To provide a discharge system and a method of sediment easily applicable to various sites, and allowing discharge of the sediment to downstream areas of a dam without accumulating the sediment for a long period, while suppressing cost re...
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JP7280085B2 |
To provide a raising member for a steel column member excellent in workability, economical efficiency, and rationality, capable of quickly and securely installing the steel column member in a single (one layer) of concrete placing work e...
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JP2023070996A |
To provide a water gate open/close device which can ensure safety even when a motor for lifting a door body has a failure.A water gate open/close device 1 is provided with: a hydraulic motor 15 connected to a door body 3 and lifting the ...
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JP2023065886A |
To improve an assistance function to a dam operation.An action guideline table generation device comprises: a basic action guideline table database that holds a basic action guideline table related to a dam operation; and a detailed acti...
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JP7273275B2 |
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JP2023061026A |
To provide a calculation device precisely calculating gate valve opening corresponding to a target outlet flow rate per each of outlet flow facilities.A calculating device comprises: a measured reservoir level acquisition section 31 as m...
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JP7265749B2 |
To provide a connecting structure with improved reliability.A connecting structure 1 is mainly composed of: connecting rings 2a to 2c; an elastic material 3 that is provided between the rings 2a and 2b, and serves as first reaction force...
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JP2023054882A |
To calculate a dam water amount at a place away from a console of a control processing facility for dam control.A dam control assistance device is portable and communicable with a dam control facility 2, and comprises an arithmetic unit ...
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JP2023054936A |
To provide a calculation device allowing missing of an outflow rate and an inflow rate needed for dam management to be prevented even when opening angle data of outflow rate facilities are missed.A calculation device comprises: a reservo...
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JP7257720B2 |
To provide a water cut-off unit which allows a railway vehicle to pass while adopting general one as a packing.A water cut-off unit comprises: a first water storage portion 20 provided in a direction crossing a railway line by removing a...
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JP7257263B2 |
To provide a cutoff device and a cutoff method capable of cutting off water in a canal even where no guide grooves on both of canal walls are installed, as well as facilitating workability even when cutoff members are subjected to buoyan...
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JP7257085B1 |
A gate opening/closing power transmission device that is excellent in versatility and workability and that can be applied to water gates and the like is provided. A gate opening/closing power transmission device (10) has a coupling (11) ...
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JP7256533B2 |
To provide an inexpensive movement limiting device that can limit the movement of an upper edge of a door body to a downstream side and an upstream side without impairing the advantages of a hinge device having a double hinge structure, ...
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JP3241516U |
An object of the present invention is to provide a sloping gully maintenance structure in order to solve the technical problem of the high costs required to repair sloping gullys in mining areas. A sloped ground gulley maintenance struct...
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JP7251974B2 |
To provide an installation method and an installation structure for a driftwood trap construction that is extremely flexible to freely install driftwood that flows down a river according to the topography and properties of a sediment are...
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JP7247011B2 |
To provide a gate test control device capable of carrying out a gate control test simply.A gate test control device of an embodiment includes a first button, a second button, and a control circuit. The first button outputs a signal corre...
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JP7246621B2 |
To provide a sliding door type waterproofing door that can be automatically slid and moved by flood water or the like to close a doorway and at the same time ensure high water-tightness.A powerless automatic horizontal water cut-off gate...
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JP7247407B1 |
An estimation device, an estimation method, and a control program capable of easily and accurately estimating the volume of a dam are provided. An estimating device acquires digital elevation data indicating the elevation of a ground sur...
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JP2023041257A |
To provide a technique capable of capturing boulders by sufficiently absorbing collision energy in the entire capturing body, even in the case where boulders beyond assumption have collided.A capturing body 1 which captures objects flowi...
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JP2023041274A |
To provide an impervious structure and an impervious system which can be built without large scaled construction and have compact configurations.An impervious structure 100 has: a strip-shaped lid 30 extending in a longitudinal direction...
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JP2023040482A |
To suppress oscillation of a door body in standing.A floating body type derricking gate 1 comprises: a door body 10 rotating around a base end side by buoyance generated by infiltration water to stand; and a restraint member 51 disposed ...
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JP7240667B2 |
To resolve problems that prior arts have and thus provide an earth structure and a method that can prevent scouring of the front, piping that occurs at the rear, and seepage destruction of a levee body, and that can prevent sliding of th...
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JP7240796B2 |
To provide a driftwood capture structure, which can be constructed quickly by eliminating use of cast concrete at the site, is excellent at workability, economical efficiency, and flexibility (variability), and suitable for emergency mea...
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JP2023036157A |
To provide an earth structure capable of reinforcing while enabling water discharge from a rear side sloped face and suppressing water immersion from a top end face, and to provide a construction method of the same.A reinforced earth str...
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JP2023034169A |
To provide a water-stop plate allowing an evacuation route to be secured by easily arranging and constructing a water-stop wall on any place such as on a road or in an opening of a building where floodwater penetration is assumed to occu...
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JP7237306B2 |
To provide a pump gate allowing a door body to be easily detached from a gate skeleton and maintenance of the pump to be easily carried out.A pump gate comprises a gate skeleton 2, a door body 3 in which a pump 32 is enclosed, and a driv...
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JP7236246B2 |
To provide a management operation method for a pump gate, which enables easy management operation.A management operation method for a pump gate in which a door body 2 provided with a pump 7 is guided by a guide member 3 to move up and do...
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JP2023031966A |
To provide a finishing stake installation jig and a finishing stake installation method which dispense with work for fixing existing concrete to a foundation surface and work for releasing the fixation, facilitate movement and position a...
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JP2023028996A |
To provide an operation device, a control system for dam management, and a control method of a control processing facility for dam management which allow the control processing facility for dam management to be manually operated in a pla...
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JP2023026937A |
To provide a water gate opening/closing device capable of reducing the size of a speed reduction mechanism including an electric motor, improving the arrangement balance, suppressing an increase in size, and being inexpensive.A water gat...
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JP2023026836A |
To provide a permeable weir for capturing driftwood for capturing mainly large driftwood in an upstream area of a mountainous area.This invention discloses a protective weir with a screen made of a wire net stretched across left and righ...
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JP7228284B1 |
The purpose of the present invention is to provide a reinforcement structure and method for erosion control dams, which makes it possible to implement reinforcement work in a short period of time and sufficiently increase the strength of...
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JP7227836B2 |
To improve the efficiency of the work of constructing concrete structures.A form system 110 comprises a plurality of forms 10 used when placing concrete material and installed continuously, and a weight device 120 that can move on the pl...
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JP7227809B2 |
To provide a permeable erosion control dam with high workability by using members replacing steel members.A permeable erosion control dam comprises: a bottom slab 10 integrated with an anchorage layer A in a ground directly or indirectly...
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JP7224947B2 |
To efficiently compact a filling area and to grasp compaction status.A compaction device 100 comprises: a travel portion 10; an arm portion 20 supported by the travel portion 10 so as to swing; a compaction portion 30 formed so as to be ...
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JP7224946B2 |
Provided is a flap-gate type breakwater 1 including: a door body 10 that is provided in water and that rises, from a lying state, by pivoting about a pivot shaft 11, which is located at a base end, due to buoyancy; an accommodating part ...
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JP2023022474A |
To provide a concrete pumping device capable of feeding a concrete material to a pipe by alternately smoothly connecting a connection pipe in a hopper to two pumps, even when a coarse aggregate in a concrete material is large.A concrete ...
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JP7220357B2 |
To date, there has been no mechanism to reliably transmit a drive force and rotate a lateral handle positioned flatly on a spline shaft top in interlocking connection to an opening-closing mechanism for a sluice.　Provided is a rotary o...
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JP2023020016A |
To efficiently install a plurality of blocks.An installation method includes: a gripping step of gripping a non-installed block 1g by a gripping mechanism 50; an information acquisition step of acquiring positional information of the non...
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JP7218658B2 |
To reduce a load on an operator and to improve work efficiency in a dust removal work.A water level of a water channel 104 and an opening of an intake gate 108 are identified during a dam operation with a constant water level, it is dete...
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JP7219039B2 |
To provide a conveyer device that can effectively transport a load while positioning the arrangement position of a head or a tale at a predetermined place when changing the arrangement of the conveyer device.A conveyer device 1 includes:...
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JP7217221B2 |
To provide a fixture for a tunnel management passage having high dimensional accuracy.A fixture for a tunnel management passage 100 is structured with cardboard members, and has a frame body 1 installed at the opening of a tunnel and a f...
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JP7215929B2 |
To provide an installation method of a corrugation gate capable of being installed precisely and easily.In the installation method of a corrugation gate, a plate-like side member 2 is temporarily fastened to at least one end in a width d...
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JP7214904B2 |
To enable easy installation of a capturing body and reduce cost and time for construction.A dam 1 having a water notch part 22 includes a capturing body 3 that faces at least the water notch part 22, provided on a wall surface 23 on the ...
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