Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 551 - 600 out of 10,543

Document Document Title
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...  
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...  
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...  
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) ...  
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, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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:...  
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...  
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...  
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 ...  
JP2023013193A
To easily realize construction using precast members even for large-sized structures.At L1 to L6, PC members are provided spaced apart on both end sides in a longitudinal direction of a cross-sectional shape. Fig. 2(a) shows a cross sect...  
JP7212581B2
To provide a debris flow accumulation structure capable of effectively accumulating a large amount of sediment, debris and like.A debris flow accumulation structure 1 comprises a concave structure body 2, an inlet part 8 and an outlet pa...  
JP7211925B2
To provide an undulating gate including a thrust bearing capable of facilitating installation and removal of a door body.An undulating gate 1 includes: a door body 10 provided in water, which rotates on a predetermined axis X between an ...  
JP7211823B2
To connect neighboring door bodies while preventing thrust load from applying to a door body due to generation of a standing angular difference between neighboring door bodies.A roof gate 1 comprises: a plurality of door bodies 10 provid...  
JP7211808B2
To provide a driftwood-trapping body and its construction method, and a driftwood-trapping facility installation structure, which are applied upstream of a weir having a structure separated from the aforesaid weir and also from adjacent ...  
JP7211809B2
To provide a driftwood-trapping body and its construction method, and a driftwood-trapping facility installation structure, which are applied upstream of a weir having a structure separated from the aforesaid weir and also from adjacent ...  
JP7209991B2
To provide a check dam capable of being constructed even on a small trough, and as a result, allowing hazards caused by debris flow to be effectively reduced.A check dam is constructed by: erecting a side supporting column 2a at each of ...  
JP7209351B2
To provide a gate device capable of restraining a communication port from unintentionally opening by water pressure from the outer water side.A gate device comprises: a gate body 2 comprising a door portion 4 and an arm portion 5 provide...  
JP7209323B2
To assist performance of effective flood gate monitoring through adaptively determining water level situation of a river and requirement of opening/closing of flood gates using captured images of cameras installed to capture the river ne...  
JP7206916B2
To provide an overflow adjusting device and an overflow adjusting method to suppress fluctuation of a water level generated at a downstream of a dam after the overflow of the dam occurs.An overflow adjusting device is provided with: a da...  
JP7203413B2
To provide a water cut-off unit capable of improving watertight performance while adopting general one as a packing.A water cut-off unit comprises: a first water storage portion 20 disposed in a width direction of a passage, dug down fro...  
JP7203710B2
To simplify a door body structure.A door body 10 of a floating body type derricking gate 1 includes a skin plate 13 constituting an upper surface when it is laid low, a plurality of vertical girders 14a arranged on the lower surface of t...  
JP7202424B2
To provide a lifting device excellent in workability with a simple structure.A lifting device 100 used in constructing a concrete structure by utilizing stair-shaped step portions comprises: first posts 21 erected on a flat portion of a ...  
JP2023002061A
To provide a water feed arrangement of green cut working water without using inside a concrete, which does not interfere with concrete placement work, and a water feed method.A water feed arrangement 10 for feeding green cut working wate...  

Matches 551 - 600 out of 10,543