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JP2009144420 |
To provide a waterproof door device which is simple in structure, and positively eliminates a gap by bringing mutually adjacent waterproof doors in an erect position into intimate contact with each other.In the waterproof door device, a ...
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JP2009138468 |
To provide a water leakage repairing method for repairing a water leakage part generated in a water storage structure by a simple method without extracting stored water in the water storage structure.The water leakage repairing method fo...
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JP2009127280 |
To provide a driftwood catching structure excelling in driftwood catching effect and easily constructed.The driftwood catching structure 1 is constructed by arranging a plurality of post units 3 at predetermined spaces in the width direc...
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JP2009121068 |
To prevent the occurrence of excessive discharge during the manual remote control of a gate.In this remote control system, the gate 42 for discharging water stored in a dam is manually operated for opening/closing by means of an operatio...
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JP2009121119 |
To provide an effective and adequate bank material carrying method for efficiently carrying a CSG bank material to a bank, and to provide a bank material carrying apparatus for use in the method.According to the bank material carrying me...
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JP2009121020 |
To provide a rotation controller being hardly overheated and compacter than a conventional rotation controller.This rotation controller 10 is provided with an input shaft 16 being rotated and driven from the outside by operating a manual...
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JP2009114674 |
To provide a muffler of an overflow weir which does not obstruct the flow of water during flooding, which enables the easy maintenance such as the removal of floating matters, and which has excellent aesthetic appearance.This muffler of ...
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JP2009114673 |
To provide a thin pump gate which does not hinder opening/closing of a channel by a gate (door body) of a swing type or a miter type gate facility, or elevation of a gate of an elevation type gate facility.The gate facility has the singl...
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JP2009114665 |
To provide a channel blocking device which is easy to use, low in cost, and available by easily mounting the same in an existing channel.The channel blocking device is composed of: a pair of receiving bodies 10a, 10b which have the same ...
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JP2009102894 |
To provide a material management system, a material management method, and a material management program which can manage materials with greater precision.The capacity of a transfer vehicle to carry a cement system material is calculated...
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JP2009102834 |
To provide a greening method of watersides such as a bare slope in a water level fluctuating area along a lake shore line and small reservoirs covered with rubber sheet which is effective for preserving and forming natural environment.In...
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JP2009096039 |
To provide a construction method of hydraulic mortar, a method in which a hydraulic mortar with a temperature suitable for construction is manufactured near a construction site and supplied thereto for pouring/constructing, for the purpo...
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JP2009091736 |
To prevent a waterproof door from being unnecessarily raised.When rise torque by a buoyancy acting on the waterproof door 4 is smaller than open torque, winding drums 37B, 39B are stopped by a torque limiter mechanism 41. When a water le...
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JP2009091842 |
To provide a vortex sand discharging pipe for discharging sand and sediment or the like accumulated around the vortex sand discharging pipe while operating a generator in a hydroelectric power plant, and a vortex sand discharging device,...
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JP2009091843 |
To provide a sand discharging method for discharging sand and sediment or the like accumulated in a sand basin while operating a generator in a hydroelectric power plant, and a vortex sand discharging device.This vortex sand discharging ...
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JP2009084883 |
To store a trolley wire 5 in a storage groove 96a-1 without applying excessive external force to the trolley wire 5 and to improve watertightness of the trolley wire 5 when a hydraulic load is applied thereto.Projecting parts 96h-1, 96h-...
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JP2009084849 |
To provide a gate opening/closing device which adequately carries out synchronous control when driving mechanisms are individually provided for a plurality of support members hanging a door body therefrom, synchronously activates the dri...
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JP2009084790 |
To provide a construction method for suppressing deterioration in a concrete dam body constructed with placing passing periods between.In this construction method for the concrete dam body, the concrete dam body in which lean-mix concret...
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JP2009084880 |
To secure watertightness while reducing a worker's burden by dispensing with adjustment work of track rail watertight rubber in the field.A side part adjusting plate 66 selected out of a plurality of side part adjusting plates according ...
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JP2009084882 |
To simplify the structure of a door body, to reduce processes for totally closing operation and the time required for the totally closing operation and to improve watertightness between an upper flap and a projecting part of the door bod...
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JP2009084878 |
To easily perform the totally closing operation of a door body and to extend a service life of a hinge shaft or the like of a side part hinge section by surely applying dydraulic load to the skeleton side in a totally closing time.An axi...
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JP2009084879 |
To improve watertightness and to reduce a construction cost by simultaneous accuracy management with the watertight surfaces of watertight plates as flush surface by forming the watertight surfaces of an upper part, both side parts and a...
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JP2009084881 |
To simplify the structure of a door body, to reduce processes for totally closing operation and the time required for the totally closing operation and to improve watertightness between an upper flap and the door body.When the upper flap...
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JP2009074355 |
To provide an obstruction device having a flexible barrier element for rocks, suspended solids, and drifting articles, vertically installable between river banks in the direction perpendicular to a flowing direction, and used for all wat...
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JP2009062768 |
To provide a bracket timbering of a form for an overhanging section, which is for use in constructing a concrete overhanging section continuously to the bank top of a bank-shaped concrete structure placed beforehand, and allows the execu...
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JP2009057818 |
To provide a fence type water intake facility capable of simultaneously taking in surface layer water and lower layer water only by addition of a simple facility and simple operation.This fence type water intake facility is provided with...
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JP2009057779 |
To convey excavated soil generated in excavation work via an access road 7 to a quarry 3 to a muck disposal yard 4 without passing through a settlement 8, the excavation work being carried out in a dam body 1 construction initial stage, ...
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JP2009057799 |
To prevent generation of uplift pressure on a bottom surface of a roof gate type breakwater.This bottom surface structure is provide by placing a box body 5 on foundation debris 4 constructed in a harbor. The box body 5 is provided with ...
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JP2009057756 |
To provide an intake opening adjusting structure which can obtain an adequate quantity of water intake without being influenced by fluctuation of a water level.The intake 30 opening adjusting structure is formed of: a door body 1 which i...
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JP2009052214 |
To eliminate caught deposit earth and stones from the downstream side of an earth and stone flow damming apparatus when installing the earth and stone flow damming apparatus having a main rope stretched over a valley part, and a ring net...
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JP2009052224 |
To provide a flexible membrane dam which is producible with higher productivity than ever, and to provide a method of producing the flexible membrane dam.A rubber sheet 20 constituting a rubber dam 10 has an outer skin rubber layer 22, a...
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JP2009052215 |
To secure a long time for enabling the safe evacuation of a field worker, by greatly and surely delaying the time when a debris flow reaches a construction site, in the case where the debris flow occurs upstream of the construction site ...
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JP2009041190 |
To provide a tilting weir which enables the discharge of water stored on the upstream side of a waterway by a weir board, by tilting the vertically-turnable weir board provided in the waterway, when the rising of the waterway is caused b...
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JP2009041340 |
To improve construction and maintenance efficiency of a waterproof door device.An electric winch 17 and a manual winch 19 for displacing the waterproof door 4 up and down are arranged out of a pit 3, by which a need for arranging an elev...
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JP2009035984 |
To improve the safety in flood control by surely establishing technology for reducing the inhibition rate such as a rubber coated cloth-made roof gate weir when driftwood or earth and sand stay on the downstream side of the door body in ...
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JP2009034606 |
To provide a damage sensing system and method which can sense damage of a double water barrier sheet, and at the same time, detect whether either an upper water barrier sheet or a lower water barrier sheet is damaged.The damage sensing s...
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JP2009030274 |
To provide a permeable check dam excelling in workability while reducing a construction cost, facilitating restoration work and having excellent energy absorbing performance even with simple constitution.The permeable check dam comprises...
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JP2009030301 |
To provide an impact-resisting connecting member mounted to a protective member made of rubber for protecting an impact-receiving structure, particularly a concrete structure such as a check dam or a bridge pier, from impact, capable of ...
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JP2009030375 |
To provide a carrying method capable of efficiently carrying mortar and concrete manufactured by batcher plants 21 and 22 arranged in a place of the height not less than a top part of a dam bank body in completion, at a preparation site ...
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JP2009024376 |
To provide an impact-resistant permanent form made of a rubber, which surely protects a concrete structure such as a check dam and a bridge pier by absorbing an impact generated by a collision, even if a rock, driftwood or the like colli...
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JP2009024377 |
To provide an impact-resistant permanent form made of a rubber, which surely protects a concrete structure such as a check dam and a bridge pier by absorbing an impact generated by a collision, even if a rock, driftwood or the like colli...
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JP2009024358 |
To provide an impervious membrane lifting type selective intake facility improving cut-off performance at both ends over the entire height of impervious membranes.The impervious membrane lifting type selective intake facility has the imp...
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JP2009024364 |
To surely prevent downstream side posts constituting a permeable check dam body, from being damaged by gravel falling over the permeable check dam body in a flood by providing the top part of the permeable check dam body with a hood exte...
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JP2009007787 |
To provide a fixed type suction-conveying apparatus capable of maintaining stable sand removing performance while performing periodic and appropriate maintenance and management of sandy soil deposited in a large-scale reservoir such as a...
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JP2008308894 |
To provide a triple lake dam structure capable of flowing sediment to the downstream side by easily removing the deposit at the bottom of the dam by general devices without losing the functions (water storage, power generation, sand reta...
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JP2008308895 |
To provide a lifting gate and particularly a pull-up gate which is reduced in lifting height of a gate main body, and has a downsized gate chamber.According to the structure of the lifting gate, by engaging brackets 15 protruded to the g...
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JP2008303661 |
To provide a derricking gate capable of surely preventing the damage of a connecting member.The derricking gate 10 is regulated in the upper limit of a rising position U of a door body 3 by the connecting member 12. The connecting member...
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JP2008297834 |
To provide a fixed sucking/conveying device capable of stably maintaining sand discharging performance by properly controlling the sediment deposited on the bottom of a large-scale reservoirs including dam lakes during the operating peri...
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JP2008297761 |
To provide a surface structure for a concrete structure of water-utilization facilities excellent in abrasion resistance, and a surface treatment method for the concrete structure of the water-utilization facilities for forming the surfa...
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JP2008291543 |
To provide a method of constructing a concrete structure by using soil concrete in the inside, which contributes to improvement of work performance by using permanent forms on the outside of both reinforcing walls without generating disc...
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