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JP6095907B2 |
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JP6095148B1 |
[Subject] Bottom sediment of a pond is removed very efficiently. [Means for Solution] Bottom sediment removal device 2 which is Bottom sediment removal system 1 from which Bottom sediment deposited on a bottom of a pond is removed by pre...
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JP6089174B2 |
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JP6093494B2 |
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JP6093288B2 |
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JP6090584B2 |
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JP6092585B2 |
To provide a waterproof plate device capable of preventing unwilled upward movement of a waterproof plate and adjusting the timing of upward movement of the waterproof plate.A waterproof plate device includes: a waterproof plate 20 which...
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JP6089545B2 |
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JP6092494B1 |
[Subject] An ups-and-downs floodgate main part made of rubber in which floodgate quantity has sufficient junction intensity suitable for use of an ups-and-downs floodgate made of rubber over 1.5 m, and has a useful fin in a measure again...
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JP2017044052A |
To provide a safe and inexpensive navigation gate for reducing failure, by installing automatically door-closing means in an on-water part of the navigation gate.Two left-right door bodies (a and b) are openably-closably installed to a f...
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JP2017043931A |
To provide a rotary backflow prevention device using a waterproof plate that may be laid on a water bottom at a time of forward flow, and may keep a stably erected state at a time of backflow.A rotary backflow prevention device A rises f...
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JP6088183B2 |
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JP2017040094A |
To provide a gate door operation device having high availability, and a gate door monitoring device, a gate door operation method, and a gate door monitoring method.A gate door operation device has a programmable logic controller having ...
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JP6084857B2 |
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JP6080426B2 |
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JP6080298B2 |
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JP2017031702A |
To provide an upward extensible tide embankment, made of a freely expandable sealed membrane material, and having the function of damming up a Tsunami by extending upward before an arrival of a large Tsunami though being contracted in a ...
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JP6077869B2 |
The purpose of the present invention is to provide a redundant air supply mechanism without requiring a reserve air supply device. An undulating gate-type breakwater causes a gate body (11), comprising gate body blocks (12a - 14a, 12b - ...
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JP6076868B2 |
To provide a presentation data accumulation system, a display device, a presentation data providing method, and a program for providing information that enables even an unexperienced river administrator to make an appropriate determinati...
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JP2017025651A |
To enhance a waterproof function by installing easily with a small number of components.In a waterproof device 1, guide rails 3 are installed on both side wall surfaces 2b of openings 2a of a structure, and waterproof plates 4 are fitted...
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JP2017025638A |
To provide a compaction method of soil materials, the method facilitating granulation and capable of constructing soil compaction efficiently without adherence to the inside of the hose.A compaction method of soil materials has a granula...
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JP6070904B1 |
[Subject] It makes it possible to check operation of a loop wheel machine axis, without power of a loop wheel machine axis carrying out the open operation of the door by giving play width which is not transmitted to a door. [Means for So...
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JP6072570B2 |
To block the passing of a boulder flow and drift wood in a water-reducing period in a flood, particularly, after a flood peak, when sediment flows down to the downstream side of an erosion control dam by passing through a slit in normal ...
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JP6068244B2 |
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JP6063779B2 |
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JP2017008644A |
To provide a water stop device capable of being easily installed and improving water stop performance.As an L-shaped water stop member 10 is pressed against a corner part C, water can be effectively prevented from entering from the corne...
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JP2017002518A |
To provide an opening/closing device for an opening covering a small area on an installation surface and having a light-weight and compact door body driving mechanism.An opening/closing device 15 for an opening is for opening/closing an ...
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JP6046458B2 |
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JP6043242B2 |
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JP6039853B1 |
[Subject] Art which further improves the restoration nature of concrete to a bottom lower part of a Corridor cell is provided. [Means for Solution] An installation process of a mount of installing a mount with which a Corridor cell of th...
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JP6038011B2 |
To provide a prediction system for river flow at downstream of a dam, capable of highly accurate prediction of the river flow and water level at several points in downstream of a dam at a future time point, through simple calculation.An ...
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JP2016199909A |
To provide a highly durable raising structure and a molding method thereof, the raising structure forming a new structure on an existing structure and using a mortar relaying material for preventing rusting and other influences of seawat...
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JP6033638B2 |
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JP6033195B2 |
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JP6033711B2 |
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JP2016196729A |
To secure excellent cut-of height while keeping the height of an operating cut-off part low, by dispensing with construction work for digging down a ground surface and a floor surface by installation on a passage surface and making a cas...
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JP6027732B2 |
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JP6022826B2 |
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JP6022219B2 |
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JP6018460B2 |
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JP6009274B2 |
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JP6008606B2 |
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JP3206906U |
[Subject] A flow control board linkage type lodging floodgate which enables automatic restriction of quantity of water intake at the time of amount-of-water increase in an irrigation canal is provided. [Means for Solution] In a rising an...
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JP6005570B2 |
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JP6005691B2 |
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JP6005345B2 |
To provide double doors which are installed at an opening of a building and have a structure coping with large external forces and applicable to an existing door and whose structure can resist powerful pressure of a tidal wave or the lik...
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JP6002073B2 |
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JP2016173020A |
To provide a hinged door water gate that permits a ship to pass at the normal time and securely block rising water regardless of the existence of sediment deposited on a river bed at the time of a tsunami or flood.A hinged door water gat...
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JP5998076B2 |
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JP5997656B2 |
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