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JP6886173B2 |
To provide a water cut-off plate which can surely prevent intrusion of water from a lower side and is excellent in handleability.A water cut-off plate 10 for preventing intrusion of water from a doorway of a structure includes a plate bo...
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JP2021088915A |
To provide a river improvement construction device for emergency draining.A river improvement construction device for emergency draining includes an upper housing. A water inlet space opened downward is provided in an intermediate part o...
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JP2021087388A |
To provide a sluice gate control apparatus, a sluice gate, a sluice gate control method, and a sluice gate control system which can reduce a difference between a water level of a farm field and an appropriate water level of a field crop....
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JP6882902B2 |
To provide a shaft structure to allow head loss to be minimized and a water cut-off method for the shaft structure.In a shaft structure 10, a channel 2 provided under the ground is connected to a shaft 1. The shaft 1 comprises a stop-log...
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JP2021080660A |
To provide a water sprinkling vehicle capable of performing efficient water sprinkling and reducing the possibility of a contact accident.A water sprinkling vehicle 10 including a caterpillar 12 and a water sprinkling device in a vehicle...
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JP6877857B2 |
To provide an earthquake strengthening device configured to improve earthquake performance of dam gateposts in a direction of an axis of a dam, of which a structure is to install an earthquake-proof brace and surrounding frames transmitt...
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JP6874119B2 |
A flap gate (1) includes a door body (2) and a flap ancillary part (3). When the door body (2) is in its down position, a movable end portion (24) of the door body (2) is located forward of a supported end portion (23). The door body (2)...
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JP6872962B2 |
To provide a method for repairing a crack in an underwater part, which can uniformly fill a crack in an underwater part with a filling material by a simple process.In a method for repairing a crack in an underwater part of a concrete str...
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JP3231966U |
To provide a remote monitoring and control system for a river floodgate which can reduce the equipment cost for configuring a communication line and the contract cost of the communication line and can appropriately monitor and control fr...
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JP6870820B2 |
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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JP6870880B1 |
To provide a rope connecting tool of a trapping structure capable of reliably connecting two orthogonal rope members while preventing sliding and a decrease in strength. A rope connecting tool 1 of a trapping structure of the present inv...
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JP3231909U |
To provide a block body and a block connecting body which can be used for a structure for damming water, earth and sand, etc., and can flexibly correspond to various forms of protection targets. The block body 1a used for forming a shiel...
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JP3231818U |
To provide a waterproof block body which functions as a sandbag, can improve workability, can be manufactured without using a new resin material, and can reduce costs. This is a cubic shape formed by solidifying with a mold using an oile...
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JP3231727U |
To provide a waterproof block body which functions as a sandbag, can improve workability, can be manufactured without using a new resin material, and can reduce costs. A rectangular block formed by solidifying with a mold using an oiled ...
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JP6860323B2 |
To provide a movable work platform for repairing a building with which, in repairing work for a wall surface of a concrete building, repairing construction itself can be efficiently performed because there is no necessity of assembling a...
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JP6857077B2 |
To efficiently insulate heat and cure an outer wall of new concrete and existing concrete.A form device 10 includes: a vertical batten 11a extending in a vertical direction so as to face a first outer wall face part 2 of existing concret...
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JP6856487B2 |
To sufficiently suppress displacement (flexure) generated by a lifting force in a door body in a falling-down state.A lifting gate 1 comprises: a door body 10 rotating and standing by buoyance of infiltrating water; an auxiliary driving ...
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JP6853733B2 |
To provide a water supplying system and a water supplying method capable of reducing electric power.A water supplying system comprises: a plurality of pumps for supplying water in a water absorption tank to a water discharging tank; a wa...
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JP6853736B2 |
To provide a water block structure and the like which can easily block water in a vertical shaft.The inside of a vertical shaft 1 is divided into a stop-log installation chamber 12 and a maintenance chamber 13 by a partition wall 11 havi...
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JP6849431B2 |
To provide a clean water area formation apparatus and a clean water area formation method suitable for performing underwater work on a wall body such as a dam wall body in a clean water area where visibility can be secured.A casing part ...
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JP6846315B2 |
A flap gate (1) comprises a door (2) and a mooring (31). The door (2) rises up or drops down by way of a movable end (24) pivoting about a fulcrum constituted by a support end (23) disposed on the water bottom. The mooring (31) anchors t...
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JP6848023B2 |
To provide a driving mechanism which can automatically close a door even when a commercial power supply is lost, dispenses with a special facility such as compression gas, and is easy in maintenance management.A driving part 18 is config...
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JP6849500B2 |
To provide a management method of concrete placement that prevents compaction failure of concrete due to oversight of a compaction position or the like, and can secure safety of compaction work.The present invention is a management metho...
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JP6842068B2 |
To provide an intake screen and an intake device to which the intake screen is attached that can secure a large quantity of water intake without making a height of the intake screen higher and can remove dust deposited on a surface of th...
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JP6840340B2 |
To provide a fluid matter capture structure capable of capturing a fluid matter such as overflown drift wood and gravel without being captured by an erosion and torrent control dam.In a river, a fluid matter capture structure 1 is consti...
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JP6841964B2 |
To provide a bound dam using a new type dam construction material technique of flood control and hydraulic construction, and a method for constructing the same.A bound dam includes a plurality of sequentially stacked construction layers,...
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JP6840657B2 |
A flap gate 10 comprises a door 10 that has a rotary shaft 12 and that is raised by rotating around the rotary shaft 12, and an auxiliary drive unit 20 that applies a tension force to the door 10 in order to assist in the action to raise...
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JP6837250B2 |
To provide an exchange type flap gate and a method for installing an exchange type flap gate which can exchange an existing elevation type gate with a flap type gate while suppressing modification cost and modification time by using the ...
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JP6838735B2 |
To provide a water supply-sediment removal device and a water supply-sediment removal method for moving water and sediment of a high water area to a low area, even in geography impossible in natural flowing-down when an object of becomin...
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JP6830114B2 |
To provide a manufacturing method of concrete kneaded on a site: which does not require to construct an erosion control dam by installing a construction road which a large vehicle (for example, a 10 tons dump and a large ready-mixed conc...
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JP2021014815A |
To provide a pump gate using a vertical shaft submerged pump, which can suppress an activation frequency of a pump, and reduce an installation space and an opening for loading and unloading in the pump.A pump is provided on a gate door 4...
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JP6826640B2 |
To provide a water stop arrangement capable of largely reducing the risk of inundation, which can be easily and swiftly installed without increasing cost, and from early stage of water rush, the weight of gate is reliably increased to im...
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JP2021008801A |
To disclose a drowning prevention protective device for dams.This invention discloses a drowning prevention protective device for dams. The drowning prevention protective device includes a shell body in front view. The shell body is set ...
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JP6820443B2 |
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JP6818350B2 |
To provide a land lock opening/closing apparatus capable of opening/closing a horizontally sliding type land lock installed at the opening part of a dike with a relatively simple structure.A land lock opening/closing apparatus 1 of the p...
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JP3230263U |
To provide an automatic gate closing device for a tide door, which has a simple structure, low cost of manufacturing, installation and maintenance, and can effectively achieve the purpose even in a large coupure. A pump-side hydraulic cy...
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JP6813333B2 |
To provide a connecting structure of external protection material of a weir and a method for constructing a weir, which are applicable to a curve portion of the weir and which can reduce a work period and an installation cost by enhancin...
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JP6814318B1 |
To reduce overtopping waves more efficiently because an incident wave can be circulated by a protective member and a wave return member and a contact impact with water can be attenuated through an arc-shaped protective member. Provide a ...
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JP6808610B2 |
To control the opening degree of a tide door and safely evacuate as many evacuees as possible from the tide door when flood is predicted.In one aspect of the invention, the method includes photographing a monitoring area around a tide do...
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JP6808211B2 |
To provide a construction method of a reinforcement structure for an erosion control dam that enhances abrasion resistance and impact resistance of a top edge surface of the erosion control dam and is compatible with unmanned constructio...
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JP6803862B2 |
To make it possible to close a tide gate by an automatic control at a machine side, without relying on presence/absence of a foreign matter and remote confirmation and operation by a manager.An automatic control system of a tide gate com...
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JP6805517B2 |
To provide a water leakage prevention tool for a cut-off gate, which can temporarily prevent water leakage by being introduced into a water leakage region when the cut-off gate for opening/closing a channel provided in a weir or a dam ca...
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JP2020200699A |
To provide a pump gate that reduces a load on a gate that is caused by the centroid movement of lifting/lowering members, and that can improve the water-tightness of the gate using a simple gate structure.The pump gate guides a door body...
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JP6799228B2 |
To provide an erosion control dam with a simple structure which can reduce costs, facilitates construction and which can reduce environmental loads.A ring-type net 18 formed by connecting a plurality of ring-shaped members 20 with each o...
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JP6796825B2 |
To provide a concrete bucket control support system capable of precisely grasping a swing state of a concrete bucket.A concrete bucket control support system comprises: an acquisition part which acquires information associated with relat...
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JP3229341U |
To provide a water stop wall for corner drop with excellent workability, which is used in a water channel in which water stop plates are stacked in several stages in a general river water canal or the like. A water stop wall for dropping...
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JP2020193517A |
To provide a portable water stop plate device that can be constructed while continuing the normal use of a building and the business of stores, etc., and has excellent reliability and economy.A water stop plate device 1, which is carried...
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JP2020193489A |
To provide a water cut-off device with light-weight capable of being easily mounted and meeting change in an open width.A foldable water cut-off device is composed of a plurality of water cut-off boards cutting off water at an opening be...
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JP2020193556A |
To provide a flood barrier.A wall 64 resident in a subterranean chamber 14 and not obscuring a horizontal ground level view is situated between buoyant panels flanking the chamber and is configured to be passively rotationally raised out...
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JP6785056B2 |
To provide an installation method of a capturing body capable of effectively installing a capturing body without modifying an existing weir while saving the cost and time required for construction.In the installation method of a capturin...
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