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JP7118709B2 |
To provide a dam capable of preventing sediment from flowing through and suppressing the sediment to pass through a permeable part.A dam 1 in accordance with the present invention comprises an upstream wall part 12 facing an upstream sid...
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JP2022117850A |
To easily construct a capturing body in a non-transmission type dam within a short time.A dam (1) having a drainage part (22) comprises a capturing part (3) that is provided in a wall part oppositely to at least the drainage part and cap...
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JP2022116593A |
To improve the efficiency of joint cutting work for construction targets such as dam bodies.A joint plate insertion device 10 includes: a base machine 20 having a vehicle body 21 that can run on an upper surface 2 of a construction targe...
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JP7116586B2 |
This method for installing a flap gate 1 provided with a support part 16 and a door body 10 which has a base end 12 rotatably supported by the support part 16 and stands up from a lying state by rotation is provided with: a surface forma...
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JP2022113939A |
To provide a permeable check dam improved in safety and providing safety feeling to inhabitants.A permeable check dam has at least a pair of sleeve parts 101 erected at predetermined intervals in the width direction of a river K, and an ...
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JP2022113829A |
To provide a structure construction method which is suitable for unmanned construction of a structure.A construction method of a mold 103 includes a block arrangement step of arranging a mold block 1 by a heavy machine mounted with an at...
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JP7112875B2 |
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 ...
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JP2022111541A |
To provide a drifting object capture structure preventing a captured object from blocking a water conduction cross section on the downstream side.A drifting object capture structure 1 is provided with a capturing body 10 and a flow guide...
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JP2022110514A |
To provide a technique of accurately mounting a suspending member used for suspending a steel column member constituting a capturing body at a prescribed position.A mounting tool 1 is used for mounting a suspending member, which is mount...
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JP2022533357A |
The present invention is a two-joint device and system with at least one active element, where the active element is an edge M with two points M1 and M2, where M1 is different from M2. An edge M, a rotating element connected to the edge ...
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JP7104396B2 |
To provide a rope protection member for a dam and a dam that protects a rope disposed at an upper end portion of a net body for damming a falling material when a debris flow occurs.When a ring net (net body) 18 is extended and stretched ...
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JP7104579B2 |
To provide an opening and closing device of a sluice gate making a mechanism for transmitting a rotational force of a driving shaft of an opening and closing device of a sluice gate whose rotation number is adjusted to an outside opening...
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JP2022106459A |
To quickly determine the optimum value of a parameter which affects a compaction propriety of a mixture containing a cement-based solidification material in which an admixture is blended.An admixture addition amount determination method ...
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JP7098039B2 |
To provide a driftwood catching facility which can improve catching efficiency of a driftwood by modifying a direction of driftwood by utilizing force of flowing water.A driftwood catching facility comprises: a catching screen 20 of drif...
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JP7096129B2 |
To improve the accuracy of calculating the amount of earth-and-sand deposition by a sand-trap dam that is calculated on the basis of altitude information corresponding to a plurality of points arranged in rectangular lattice form on a pl...
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JP7093560B2 |
To provide a watertight structure for flap gate and a flap gate provided with the same which can largely take a gap between a door body and a bottom surface of a water gate opening without providing a step in a state where an external fo...
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JP2022094388A |
To provide a protection member capable of protecting a flowing-down object catcher, without causing increase in the weight and cost of the flowing-down object catcher, and without lowering the workability.A flowing-down object catcher 1 ...
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JP7089137B2 |
To provide a method and a system for returning a dam deposit downstream, which does not adversely affect downstream rivers even if silt clay contained in the dam reservoir deposit is supplied downstream of the dam.This method for returni...
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JP7087772B2 |
To provide a green cut device allowing automatic inspection to be performed on whether a laitance layer was adequately removed.A green cut device 1 is provided with: a rotary scraping machine 30 scraping a laitance layer 3 of a surface l...
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JP7083470B2 |
To provide a water gate opening/closing device with a simple structure allowing a maintenance inspection necessary to maintain operation reliability to be easily performed at a fewer frequency and allowing opening and closing to be stabl...
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JP2022086668A |
To provide an auxiliary member for a flood control structure having such versatility as to be used in various flood control structures.An auxiliary member 10 for a flood control structure has a water receiving surface 11 having a bent su...
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JP2022085119A |
To provide a structure for installing a driftwood catching body excellent in unrestricted installation, economical efficiency, impact resistance against driftwood, and flexibility of structure.In a driftwood catching body R installed in ...
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JP2022085121A |
To provide a driftwood catching body which does not use concrete and which is excellent in workability, economical efficiency, and flexibility capable of following up the unevenness of a foundation.In a driftwood catching body R installe...
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JP2022082907A |
To provide a practical siphon drainage facility easy to use a large-bore siphon drain.A drain pipeline is water-sealed by setting the discharge end C of a siphon drain pipe 11 higher than a draining pipe bore and opened, a pipe line part...
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JP7080027B2 |
A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated ...
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JP7078241B1 |
To ensure the safety of workers working at a high place continuously at the time of installing the residual formwork and the concrete placing work in the civil engineering work relating to the concrete structure using the plate-shaped re...
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JP2022080646A |
To provide a grout material injection method allowing grout material to be adequately injected in a foundation ground.An injection method of grout material 2 comprises: a crack information acquisition process of acquiring information on ...
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JP7076723B2 |
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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JP2022077474A |
To provide an automatic inundation prevention device that solves a problem of an invention that is developed to manually move up and down or to insert into left and right columns aluminum water stop plates to fix them with brackets or bo...
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JP7068967B2 |
To provide a form system capable of reducing a construction period and construction cost.A form system 2 comprises a plurality of rolling forms 3, 3, ... installed parallely to left and right and a work scaffold 4 arranged on at least on...
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JP7065734B2 |
To provide a construction method and a precast member capable of making a precast member lightweight and efficiently carrying out a work of constructing a training wall of a dam.A construction method in one embodiment for constructing a ...
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JP7065470B2 |
To provide a sluice opening and closing device that can reliably send a chain, one end of which is connected to a door body, to a chain receiving portion of a chain storage portion by rotation of a driving sprocket with a simple configur...
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JP2022066916A |
To provide a powerless automatic descent gate at the time of an earthquake that can be installed at low cost and can automatically shut off waterways without power supply in the event of an earthquake of a predetermined scale or larger.A...
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JP7058997B2 |
To provide a compact inflow cutoff device capable of cutting off inflow without any power in a flowing water direction of a water flowing passage and in an opposite direction to the flowing water direction upon rising of water level of a...
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JP7054543B2 |
To achieve both protection of a liner sheet and defect detection of the liner sheet by a continuity test.A method for detecting a defect of a liner sheet 17 laid on an object place such as a water reservoir and a waste disposal site. A r...
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JP2022059926A |
To provide a water cutoff structure for a waterproof panel fence which is excellent in workability at the time of installation and is less likely to cause water leakage, and a water cutoff material used in the same.A water cutoff structu...
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JP7053060B2 |
To provide a flap gate capable of securing a large gap between a door body and a bottom of a water gate without arranging any substrate step in a state no external force except gravitation force acts as well as securing water tightness w...
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JP2022057298A |
To carry in and out a hydraulic cylinder without removing a bonnet cover when performing maintenance work on the hydraulic cylinder of a slide gate.The inventive slide gate comprises a door body 14 that can open and close an opening for ...
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JP2022055239A |
To execute an effective diagnosis even in a state greatly different from a load environment at actual use.A diagnostic method for a pump is for diagnosing a pump which has a mechanical seal and a lubricating-oil chamber capable of storin...
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JP2022055275A |
To more accurately evaluate a quality of a structure.A compaction property measurement method for measuring compaction property of a soil material mixture 20 manufactured by mixing an uncleaned excavation soil material, cement, and water...
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JP7049955B2 |
To provide a water sluice opening/closing device and a chain tension adjustment method for the water sluice opening/closing device, which can reduce or remove the tension of a chain.A water sluice opening/closing device 10 that winds up ...
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JP7049510B2 |
To identify a non-damaged portion easily in a catching body, and to mark a cutting position at the non-damaged portion of the catching body.This invention relates to a method for identifying a non-damaged portion of a catching body that ...
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JP2022053566A |
To provide a pump gate management operation method capable of shortening time necessary for a management operation.A management operation method for a pump gate 1 in which a door body 2 having a pump 7 is guided by a guide member 3 to be...
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JP7045265B2 |
A flap gate 10 comprises a door 10 that has a rotary shaft 12 and that is erected by rotating about the rotary shaft 12, and an auxiliary drive unit 20 that applies a tension force to the door 10 in order to assist in erecting the door 1...
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JP7044367B2 |
[Problem] Provided are a siphon water supply device and a siphon water supply method by which, during a siphon water supply action, stopping of a siphon action caused by hollowing resulting from progress in an in-tube vaporization phenom...
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JP7039128B2 |
To provide a drift wood capturing structure capable of highly improving drift wood capturing effect without changing a height of the drift wood capturing structure body (steel column member) through additionally arranging a drift wood ov...
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JP7038025B2 |
A flap gate 1 comprises: a door body 10 that turns about a base-end side and stands upright; side waterproof rubbers 30 that are attached to both widthwise ends of the door body 10 and that come into contact with side doorstops 21; and a...
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JP7037449B2 |
To provide a civil engineering structure such as a steel cell dam that can quickly be constructed by utilizing steel segments and the like that are always available as materials and are of a highly versatile size that is stocked in a fac...
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JP7037112B2 |
To provide a water cut-off structure capable of easily improving adhesiveness between a guide groove and a flash board.A water cut-off structure 10 of this invention comprises: guide grooves 20 provided in both side walls of a water chan...
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JP7035258B1 |
To efficiently compact a civil engineering structure. The compaction method is a compaction method in which a slope of a civil engineering structure is compacted by using a compaction portion connected to a vibration generating portion t...
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