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JP7428603B2 |
To reliably prevent water leakage in a sealing member installed on a mating surface of each part of a gate structure installed in a flow channel.An intermediate hood 4 is provided to cover gate doorways 2d and 3d of a sliding gate 8 with...
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JP2024013971A |
An object of the present invention is to provide a construction management system and construction management method that can quantitatively judge the quality of construction in a spreading process. [Solution] A construction management s...
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JP7424625B2 |
To provide a water gate device of a diversion trough which can be driven by one actuator.A water gate device 5 opening/closing a diversion hole 3 of a diversion trough 1 comprises a pair of guide grooves 7b, a partition plate 8, an opera...
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JP2024009746A |
An object of the present invention is to provide a river structure that can effectively utilize river water. [Solution] At the boundary between low water channel LR and high water bed HR in river R, the boundary is excavated and arranged...
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JP2024006297A |
[Problem] To stably determine whether or not a river maintenance flow rate is being released from a dam without relying on humans. [Solution] A surveillance camera 2 that photographs the discharge state from the dam 100, and an appropria...
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JP2024003775A |
An object of the present invention is to provide a water flow direction switching device that eliminates the need for an operator to manually switch a control board and allows easy switching operations. [Solution] A water flow direction ...
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JP2024002292A |
[Problem] To perform flood training based on information actually used. [Solution] A training device according to an embodiment includes an acquisition unit that acquires dam various quantity data and a plurality of predicted data corres...
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JP7410776B2 |
To provide a closing method of a square pipe allowing the whole of the square pipe to be closed in a short time.A closing method of a square pipe comprises steps of: a first step for fixing a one-side attachment member to each of side su...
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JP2024000900A |
[Problem] To provide a water intake control system that can discharge sand more frequently and at appropriate timing. [Solution] The water intake control system S includes an intake gate 20a that is installed in an intake channel 20c tha...
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JP2024000805A |
An object of the present invention is to provide a method for constructing an embankment body that allows the embankment body to be constructed more rationally. [Solution] The construction method for the embankment body 1 consists of an ...
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JP7408767B1 |
[Problem] To provide a floating membrane type water gate that has excellent construction properties and is compatible with long spans. [Solution] It is composed of a horizontally movable water gate body (1) having a floating structure an...
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JP7407911B2 |
A module for implementing a protective barrier against liquid runoff and/or flooding comprising a retention member adapted to retain a liquid body on a front area located at a front side of the protective barrier, one or more sensors ada...
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JP7407088B2 |
To provide a displacement measuring method for accurately measuring relative displacement of post-installed concrete from prior-installed concrete.A displacement measurement method of a concrete dam body 100 comprises steps of measuring ...
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JP7406380B2 |
To provide a movable body driving device in which it is unnecessary to provide gears with different number of teeth according to a facility to be installed.A movable body driving device having a motor and applying driving force of the mo...
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JP2023177014A |
To provide a pipe blockage prevention member attached to a siphon water supply device in which an opening/closing portion automatically opens by sensing or being influenced by a negative pressure and sucks outside air into a pipe member,...
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JP7395409B2 |
To detect an abnormality at a water gate facility suitably.An abnormality detection device 40 detects the abnormality at a water gate facility having a door body for adjusting a circulation of water and a water gate opening/closing devic...
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JP7395443B2 |
To properly detect abnormality in a radial gate.In a radial gate, a door body and a driving portion are connected by a connection medium. In the door body, a skin plate and a bearing portion are connected by a leg post. A load value acqu...
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JP7394272B2 |
To provide a small and inexpensive standby power supply device for a floodgate that can supply sufficient power to a motor for controlling the floodgate even during a power outage.A standby power supply device 10 for a floodgate that can...
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JP2023173979A |
To provide a water gate automatic opening/closing control method which restricts the number of times of water gate opening/closing control accompanying change in a water level difference between inside and outside when a water gate is te...
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JP7393094B1 |
[Problem] Sabo dams and dikes that can be installed in valleys or rivers with high debris flow resistance against debris flows, volcanic mudflows, and driftwood, and that can be easily and rapidly constructed on-site. to provide. Further...
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JP2023170159A |
To provide a construction method of a dam body and a conveyance device allowing efficient construction work of the dam body.The construction method of a dam body uses a concrete conveyance device having multiple conveyance pipes, multipl...
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JP7389470B2 |
To provide a sediment dam body which further develops excellent performance of a conventional sediment dam body, and further improves construction and environmental conservation.A mountainside conservation material 1, which post-fills a ...
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JP7386687B2 |
To provide a top end protection construction of a permeable check dam with a simple structure, absorbing collision energy of gravels colliding on a top end part and preventing breakage and loss of a permeable check dam body, and easily i...
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JP7386371B1 |
[Problem] To reduce the bending moment that occurs in horizontal members installed between adjacent column members when constructing an erosion control dam to dam debris flows, etc. in mountain streams where debris flows are expected to ...
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JP2023167907A |
To perform gate opening/closing control with high accuracy and to diagnose the aging degradation of gate equipment based on changes in gate overoperation amount.A gate equipment degradation diagnosis device according to an embodiment com...
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JP3244711U |
[Problem] To provide a driftwood trap that does not use concrete, can follow uneven ground, and has excellent workability, economic efficiency, and flexibility. [Solution] A driftwood trap R installed in the transverse direction Y of a r...
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JP7386312B1 |
[Problem] To provide an elevating membrane type water gate that has excellent workability and is compatible with long spans. [Solution] A membrane body 10 that has a size that can close off the bay entrance, is foldable in the vertical d...
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JP7384731B2 |
To appropriately evaluate the degradation state of a connecting medium.An evaluation device 40 evaluates the deterioration state of a connecting medium that connects a drive unit and a door body in a water gate opening/closing device. A ...
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JP7382652B2 |
To provide a flap gate in which an inland side is safe, easy maintenance is enabled, the installation of a scaffold or the like is not necessary for maintenance, and the maintainability is excellent.The flap gate has: a door stop formed ...
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JP7382031B2 |
To provide a sedimentary sand tank which can be provided at low cost, which solves a problem in an upflow inclined plate sedimentary sand tank of a prior art, of which a device body is down-sized while maintaining particle removal capaci...
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JP7382292B2 |
To measure the quality of each layer of a structure constructed with a plurality of layers.A structure quality measurement method for measuring the quality of a structure 10 constructed by curing a plurality of layers 11, 12 and 13 compo...
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JP7382522B1 |
[Problem] To realize fast and highly accurate ultra-short-term water level forecasting of reservoirs by taking into account the effects of dynamic water storage capacity, and to provide better support for the formulation of power generat...
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JP7381375B2 |
To provide an operation amount confirmation system capable of easily grasping an active state and an operation amount of a monitoring target even from a remote location.An operation amount confirmation system is provided which comprises:...
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JP2023164781A |
To improve water intake efficiency of a water intake device installed in a waterway, to reduce a lifting load when raising a water intake device, and to reduce a manufacturing cost of a water intake device.A water intake device comprises...
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JP7378371B2 |
To provide a swing gate facility and a gate driving device which do not have a hydraulic cylinder or an electric cylinder.A swing gate facility 10 including a door body 11 rotating around one end portion in a width direction comprises: a...
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JP2023162000A |
To perform a training of dam operation by targeting a plurality of dams.A dam operation training system has: a plurality of arithmetic devices for training 2A, 2B which are provided in association with an upstream side dam 9A and a downs...
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JP2023159572A |
To provide a flood prevention system, etc. for using the premises as an emergency evacuation shelter in the event of a flood.A flood prevention system 1 includes: a flood prevention wall 2 that prevents water from entering an internal si...
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JP7371368B2 |
To provide a pipe cleaning method improved in workability with a simple constitution.In a pipe cleaning method, a cooling pipe is laid in a concrete placing region, then concrete is placed, and a coolant is allowed to flow down in the co...
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JP7370147B2 |
To shorten work time required for construction and efficiently construct a dam.A dam (1) including a capturing body (4) that passes flowing water of river and captures earth and rocks is provided with a mold part (2) provided so as to fo...
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JP7362126B2 |
To provide a driving device for a sluice gate opening/closing device with preferable safety and power saving property capable of making an opening/closing work of a sluice gate electrically-driven by being attached to an existing sluice ...
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JP2023151578A |
To reduce labor of construction by enabling a stage construction and a raising construction to be easily dealt with.A steel frame (10) comprises: a front part (1), which is formed into rectangular shape by column materials (11) extending...
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JP2023151225A |
To flexibly deal with formation of an embedding frame fitted at various angles in a civil engineering structure.A civil engineering structure 1 of the present invention has a plurality of steel frames 10 and a steel embedding frame 50 th...
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JP2023151579A |
To provide a steel frame capable of increasing the strength of the steel frame with a simple structure without increasing the size or the number of facing materials.A steel frame (10) is positioned at the downstream side in the direction...
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JP2023151227A |
To enable keeping strength required to resist an external force applied on a civil engineering structure by a steel frame and a filling material, saving weight by decreasing amount of steel material to be used, and maintaining a shape of...
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JP2023151580A |
To provide a steel frame capable of miniaturization while making it strong enough to withstand earth pressure.A steel frame (10) that is formed into a three-dimensional frame and filled with filling material (40) includes an anchor part ...
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JP2023151224A |
To reduce an amount of outbreak for embedding a civil engineering structure.A civil engineering structure has a plurality of steel frames 10, which are connected with each other in a height direction H and a width direction W intersectin...
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JP7361576B2 |
To improve efficiency of a work constructing a concrete structure.A formwork system 110 comprises: a formwork 10 installed when placing a concrete material; and a formwork support device 100 having a support mechanism 50 supporting the f...
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JP2023151226A |
To reduce an amount of outbreak for embedding a steel frame dam.A steel frame dam 1 has a plurality of steel frames 10, 20, 40 connected with each other in a height direction H and a width direction (one intersection direction) W interse...
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JP2023148038A |
To easily fix an engaged part for engaging a water sealing plate at an adequate position.A water sealing device is constituted so that a lower engaging part 14 and an upper engaging part 15 of a water sealing plate 10 are engaged with a ...
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JP7360777B2 |
To provide an installation structure for drifting wood catching body in which there is of course no need of large-scale work such as notching or rising a check dam 10, and that does not require a concrete foundation by realizing a struct...
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