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JP2023131723A |
To reduce a force acting on a box body by a water pressure at the time of immersion, while suppressing complication of immersion work of a derricking gate.An installation method of a derricking gate includes the steps of: supplying air t...
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JP2023131724A |
To provide an erecting gate installation method allowing transportation of the erecting gate to an installation area to be easily carried out.A derricking gate installation method is provided with the processes of: producing a derricking...
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JP7349333B2 |
To provide technology that enables accurate and easy construction of trap bodies on existing dams.A construction method of constructing a trap body 3 having a plurality of column members 31 whose one ends are fixed to an upstream wall su...
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JP2023130773A |
To provide a water control door that can ensure water stop performance even when replacing a water stop plate of an aged water control door on site.A water control door comprises: a doorstop 3 installed in a waterway 1 and having an open...
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JP7347004B2 |
To properly manage a river.In a hydroelectric power generation facility 100, in a case where water supplied for an operation of a hydroelectric power generation facility 112 at an upstream side of a river 111 of a water tank 101 reaches ...
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JP2023129839A |
To enable quick and proper inspection for the presence or absence of abnormality on the earthquake occurrence around a dam.A dam extra inspection system includes a seismometer 2 that monitors an earthquake around a dam facility D, a moni...
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JP7347040B2 |
To provide a stop log lock allowing installation thereof in a simple structure and with easiness and load of workers to be reduced and safety of the workers in a discharge canal to be secured.A stop log lock 100 installed in a discharge ...
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JP7346996B2 |
To provide lifting facility allowing safety of workers upon use of the lifting facility and of a stranger in non-use of the lifting facility over a long period.Lifting facility 100 is provided with a plurality of ladders (a first ladder ...
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JP7346735B2 |
A water retaining and flushing stoplog gate for lock chamber water-drained overhauling, and a drainage method. The stoplog gate comprises gate slots, and a bottom plate, a plurality of flashboards and a top plate, which are inserted into...
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JP7346705B2 |
A method for predicting and controlling a water level of a series water conveyance canal on the basis of a fuzzy neural network is disclosed. The method includes: performing the relationship between a sluice opening degree and an open ca...
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JP7344411B1 |
An object of the present invention is to provide a water gate monitoring device that can detect foreign objects that remain under a water gate and prevent the gate from closing, thereby increasing the reliability of gate closure. [Soluti...
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JP7344415B1 |
An object of the present invention is to provide a water gate monitoring device that can detect foreign objects that remain under a water gate and prevent the gate from closing, thereby increasing the reliability of gate closure. [Soluti...
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JP3243706U |
[Problem] To provide a tank for realizing pumped storage power generation using seawater, groundwater, or river water at low cost. [Solution] A tank for pumped storage power generation includes a main body 112 that functions as a contain...
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JP7341910B2 |
To provide a water cut-off structure that can achieve both of a function as a vehicle guard fence and a function as a water cut-off wall, does not spoil the aesthetics below the vehicle guard fence in normal times, and with which a water...
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JP2023122774A |
To provide a water leakage prevention device capable of smoothly and easily performing mounting work to a narrow water leakage part.A water leakage prevention device comprises: a first flange and a second flange that are fixed in so as t...
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JP2023123855A |
To provide an attachment for a heavy machine and a block moving method suitable for unmanned construction of structures.An attachment 33 for a heavy machine that grips a concrete block 1 includes a main body 41 that is attached to an arm...
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JP7337570B2 |
To shorten a training time.A training device is a training device for an operator of a dam. In an embodiment, the training device comprises a calculation unit, a storage unit, a designation unit, and an acquisition unit. The calculation ...
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JP2023121270A |
To provide a capturing body capable of avoiding the effects of temperature stress even when the capturing body is attached to a non-overflow portion.In a capturing body (3) that allows water flowing from upstream of a river to pass throu...
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JP2023119684A |
To provide a dam construction method capable of functioning as a capturing body even during construction and increasing the volume by connecting a new capturing body.A method of constructing a new dam on an existing dam (100) includes: a...
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JP7333950B2 |
To accurately control the water level and the flow rate of a water passage.A slide gate 100 for a water passage for adjusting at least one of a water level and a flow rate in the water passage is provided so as to cross a water stream fl...
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JP2023119300A |
To provide a technique capable of capturing objects such as driftwood overflowing a water passage with water from upstream while damming up fine earth and sand.A dam structure includes: an impermeable dam 2 formed with a water passage 23...
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JP2023119299A |
To provide a technique capable of accurately and easily building a capturing body on an existing dam.A construction method of a dam structure includes: attachment steps S11, S12 of, on the wall surface facing the upstream side of a dam t...
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JP7333743B2 |
To provide a gate opening/closing device which can make a gate body ascend/descend without providing a mechanism whose angle changes three-dimensionally in looseness detection means.A gate opening/closing device includes: driving means r...
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JP7333663B1 |
Kind Code: A1 When compaction or tamping is performed in finishing roadbed concrete having a steep slope, dynamic lateral flow and surface sagging occur, degrading the finishing quality of the concrete. Also, there is no technique or too...
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JP2023117750A |
To provide an emergency shut-off system using a submergence type valve which facilitates construction, enables installation of constant water or can shorten water failure time, and can easily grasp an operation state at the time of emerg...
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JP2023116042A |
To provide a garbage outflow suppressing device that is not affected by an amount of garbage, water flow, etc., effectively prevents tilting of a net, more reliably dams up driftwood, garbage, etc., and can be expected to prevent outflow...
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JP2023115481A |
To prevent a capturing body from being broken by rocks or drift wood flowing over the capturing body.A capturing body (3), which allows flowing water from upstream of a river to pass through and captures objects included in the flowing w...
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JP2023115480A |
To prevent a capturing body from being broken by rocks or drift wood flowing over the capturing body.A capturing body (3), which allows flowing water from upstream of a river to pass through and captures objects included in the flowing w...
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JP7330031B2 |
To provide a method for dismantling a columnar structure which is advantageous for efficiently performing small split blasting of a columnar structure after collapse.A plurality of charge holes 26 is drilled in a base portion 16 and a ga...
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JP7329415B2 |
This flap gate 1 comprises: a door body 10 that opens and closes an opening 91; a closing mechanism 30 that causes the door body 10 to close the opening 91; and a float 54 (water level detection part) for detecting the water level. In th...
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JP2023113392A |
To provide a flow channel opening/closing device capable of coping with changes in temperature of lubrication oil while suppressing complication of design.A flow channel opening/closing device 10 comprises a driving source 11, control me...
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JP2023112822A |
To allow closing operation to be rapidly and securely carried out while opening operation after a state requiring emergency closing is cancelled to be efficiently and securely carried out at a low cost in a gate facility requiring an eme...
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JP7324033B2 |
To provide a water gate open/close device allowing a height level to be lower when at least one of base bodies of a drive unit and an accompanied unit is designated as a reference.In a water gate open/close device 10 lifting a door body ...
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JP2023108859A |
To provide a maintained flow-rate adjustment method with which water intake amount for hydroelectric power generation can be increased while ensuring the maintained flow-rate when taking in water from the water intake gate for hydroelect...
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JP2023104486A |
To facilitate fitting of a base plate to a support pillar constituting a capturing body.A setting fixture 1 used for laying a support pillar erected in a capturing body installed in a dam so as to tilt in a flowing direction F of a river...
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JP7306759B1 |
The present invention provides a snow flowing groove water passage section switching system that eliminates the need for an operator to manually switch a control plate and can switch water passage sections according to a schedule. A snow...
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JP2023097528A |
To provide a steel pipe joint structure of a steel slit dam with high workability, strength, rigidity, economical efficiency, and maintainability, in which a new steel pipe joint structure replacing a flange joint (a flange plate and a h...
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JP2023096593A |
To provide a water gate opening notification device optimizing output frequency of the opening notification related to the water gate opening.A water gate opening notification device 4 includes: a data collection unit 42 which sequential...
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JP2023096792A |
To provide a dam management system, a discharge operation device, a training device, and an information transmission method that enhance support functions related to information transmission to related organizations.A dam management syst...
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JP7304794B2 |
To provide a joint cutting plate insertion device capable of efficiently inserting a joint cutting plate into cast concrete.A joint cutting plate insertion device 1 includes a base machine 10, an arm portion 20, and an insertion unit 50,...
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JP2023096725A |
To provide a water gate open/close device allowing position adjustment of a stopper to be easily carried out at the installation site.A water gate open/close device 10 of which a driving unit 11 to generate force to make a door body D ri...
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JP2023096936A |
To smoothly open a door by minimizing resistance when the door is opened in a hydraulic control device of a forced opening type gate, and to suppress fluttering of the door due to waves when the door is closed by its own weight.A hydraul...
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JP7303767B2 |
To provide a structure application device capable of properly constructing a continuous laminated structure.A structure application device 1 comprises a movement part 2 moving in the main scanning direction, a first cement-based head 21 ...
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JP7298047B1 |
A water-absorbing elastic housing frame for preventing water intrusion is provided for holding down a waterproof sheet provided for the purpose of preventing water infiltration in a state in which the water-absorbing elastic is housed an...
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JP7295530B2 |
To provide a permeable-type sand prevention dam allowing cost increase to be avoided.A permeable-type sand prevention dam is the permeable-type sand prevention dam constructed in a river or a canal, being configured to have a plurality o...
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JP7293687B2 |
To provide an information processing method and the like capable of properly determining quality of water upon water intake from a river.An information processing method comprises the steps of: acquiring images captured at a hydraulic po...
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JP2023084260A |
To reduce the work load of water leakage measurement work in an inspection corridor.A device 20 installed in an inspection corridor to measure the amount of water leakage into a dam body comprises a filtering member 40 which has a filter...
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JP2023082566A |
To provide a hydraulic control device which can smoothly open a door body with minimum resistance when the door body is opened and can suppress flapping of the door body due to waves when the door body is closed by its own weight, and a ...
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JP7290259B2 |
To provide a gate opening and closing apparatus of a wire rope winch type which can be operated even when the power supply is lost, and is simple and compact in structure.A gate opening and closing apparatus S1 comprises: a door body 2 w...
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JP7290554B2 |
To improve efficiency of a mold frame installation work.A mold frame system 105 includes a mold frame 10 used when a concrete material is placed, and a lifting device 100 which lifts the mold frame 10, in which the lifting device 100 has...
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