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JP2023023178A |
To provide a vibration reduction mechanism and a vibration reduction method capable of reducing vibrations generated in construction work without requiring a huge mechanism or a large cost.The present invention comprises a pile body 3 co...
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JP2023019026A |
To make water leakage from an underground skeleton hardly occur.A waterproof sheet 15 is stuck to a concrete structure via an adhesion layer. The waterproof sheet 15 comprises: a resin sheet 21 made of a sheet-like synthetic polymer and ...
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JP7217857B2 |
A flexible film vertical laying device, comprising: an operation platform (1); a conveying and flattening apparatus, comprising a conveying roller (4) and an auxiliary film laying roller (11), wherein the conveying roller and the auxilia...
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JP7215506B2 |
To provide a method for repairing a steel material and a method for repairing a harbor steel structure which dispense with excessive repair and can rationally shorten a construction period according to a degree of generation of corrosion...
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JP2023011433A |
To provide a filling material for constructing an underground wall, which has high vibration-proof properties, excellent holding property of the underground wall, and long-term stability.A filling material for constructing an underground...
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JP7209964B2 |
To provide a burying method of steel pile possible of efficiently burying a steel pile that improves the corrosion resistance of the ground surface susceptible to corrosion while improving the durability of the pile foundation of a struc...
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JP2023501011A |
Apparatus and methods are disclosed for reinforcement of partially submerged structural elements such as, for example, piles, posts, columns, and pipes. The apparatus includes an upper unit, which may be fixed to a structural element abo...
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JP7200045B2 |
To provide a vibration reduction structure capable of being easily constructed in an object ground and being removed after usage.A vibration reduction structure 1 comprises: a mixed soil layer 2 constituted of a sealing body 21 in which ...
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JP7190372B2 |
To provide an anticorrosive construction method for which a protective cover can reliably and firmly be fixed, and there is no gap that is caused by a flange area being bent and deformed when the protective cover is fixed, and that is al...
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JP7185499B2 |
To provide a pile head joint structure for pile supporting structural object that can even join a batter pile to a precast member efficiently in a manner similar to a vertical pile.The pile head joint structure for pile supporting struct...
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JP2022549975A |
A cable trough system comprising a plurality of serially connected cuboid members each having an upper casing and a lower trough joined together to form an elongated body, and the edges of the upper and lower casings of two adjacent cubo...
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JP2022175557A |
To provide a flexible joint for a box culvert allowing installation for a joint between box culverts to be securely and easily carried out without hole-in anchors or with the minimum required number of the hole-in anchors.A flexible join...
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JP7175234B2 |
To determine a cause of insufficient protection potential when electrolytic protection is performed on a steel foundation beam.The monitoring system comprises: a concrete pile that is embedded in the ground and in which a plurality of pi...
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JP7167096B2 |
To provide corrosion prevention means for steel pipe piles with reduced labor and cost and ease of maintenance.A corrosion prevention apparatus 2, which covers a part of a steel pipe pile 1 driven into the sea bottom SB and whose top end...
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JP7154059B2 |
To provide a foundation structure suppressing CS macrocell corrosion with a reduced construction cost.A foundation structure 1 comprises: a concrete pile 11 which is buried in soil D and inside which a pile reinforcement 12 is disposed; ...
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JP2022151992A |
To enable improvement of impact resistance as a concrete structure and furthermore to enable the inspection of condition of concrete surface such as a crack.A method for holding impact resistance of a concrete structure 2 is provided, th...
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JP7135971B2 |
To provide a heavy-duty anticorrosion steel pipe sheet pile of which the inside or back of the claw of the fitting joint is painted, end peeling due to steel corrosion at unpainted claws near urethane coated edges is prevented, and which...
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JP3239028U |
A bolt protection device for a tower base of a wind power installation. A bolt protection device for a tower base of wind power generation equipment has a bolt cap 4, a covering ring 3 is provided on the bolt cap, a desiccant case 5 is i...
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JP7132012B2 |
To provide a foundation structure for ground improvement capable of reducing vibration of an upper structure created by surface layer ground amplification of seismic ground motion.A foundation structure for ground improvement constructed...
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JP7130592B2 |
To suppress an influence due to ground expansion after completion of a foundation, when a cardboard is used as a provisional support material of a foundation, in constructing a foundation on a ground having expansive property.A buffer ma...
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JP2022125807A |
To provide a protector for an underground buried object that is capable of exhibiting higher protective performance in comparison with the conventional art.A protector 10 for an underground buried object includes a box body 12 having an ...
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JP7121946B2 |
To improve handling properties during transportation and transfer, reduce transportation costs and improve workability.In a pole foundation block with at least a part of a pipe body 15 incorporated therein from an upper surface 12a to a ...
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JP7098250B2 |
To provide a ground displacement suppression method and a displacement absorption pile capable of improving displacement absorption efficiency and facilitating restoration at a construction site.A ground displacement suppression method c...
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JP7088034B2 |
To provide a seawater concrete structure with improved impact resistance and abrasion resistance.A concrete structure has a subsea area below the sea level, which includes: concrete members 12A, 14 existing in the subsea area; and a meta...
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JP7079971B2 |
To provide a blockage structure for blocking ground off limits areas and a construction method for the same, which can install a bottom wall without excavating the ground and does not require disposing of sediments that were dug while re...
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JP7075280B2 |
To provide a ground improvement structure and the like which can suppress work period and cost required for an artificial impermeable layer.A ground improvement structure includes: earth retaining walls 3 at both sides of an excavation p...
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JP7066465B2 |
To provide a corrosion prevention electrodeposition film formation method of an in-water metal structure capable of stably forming an electrodeposition coated film while easily conducting construction without need for DC power supply or ...
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JP7063737B2 |
To provide a system for monitoring a corrosion prevention state of a steel structure capable of diagnosing a corrosion prevention state of a steel structure without going to an actual place.The system for monitoring a corrosion preventio...
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JP7057298B2 |
To provide a cutoff structure capable of reducing a water leakage amount into inside of an underground structure.A cutoff structure cuts off water leakage from a joint part 14 between a side wall part 11a and a side wall part 11b to insi...
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JP2022057600A |
To provide a reinforced concrete structure provided with a waterproof material to metal members placed in the horizontal direction.A reinforced concrete structure (10) including a horizontal rebar (2) has a structure that the horizontal ...
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JP7042687B2 |
To provide a weight balance immersion method that can early stop groundwater from rising after constructing an underground skeleton.An immersion method for preventing an underground skeleton 20 from lifting due to the buoyancy of groundw...
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JP2022047325A |
To collect underground water with a water collecting pipe without arranging a vertical drain on both ends of the water collecting pipe extending in a lateral direction along a bottom surface of a bottom part of a building.A water collect...
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JP2022037496A |
To provide a composition for forming a water sealing structure which eliminates the need to planarize in advance a water sealing portion even when the portion has irregularities, and which facilitates a sealing work construction.A compos...
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JP7023400B1 |
To easily maintain the life of a sacrificial anode and easily prevent a shortage of anticorrosion current. An anticorrosion system 20 is an anticorrosion system 20 that electrically protects a steel foundation beam 10 buried in soil, and...
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JP7019084B1 |
To provide a foundation structure capable of preventing CS macrocell corrosion while economically and efficiently maintaining the strength of a concrete foundation. The foundation structure 1000 of a building 1 is provided with a steel f...
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JP7017980B2 |
To provide a ground improvement structure and like capable of reducing bending moment and shearing force created in an artificial impermeable layer.A ground improvement structure comprises: an earth retaining wall 3 at both sides of an e...
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JP2022021592A |
To provide a protector of an underground buried object, having light weight, nonetheless having high cutting resistance.A protector of an underground buried object comprises: a plate-shaped member 11 having a surface 11a on one side in a...
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JP7012286B2 |
To suppress the deflection of a wall panel in an underground double wall structure where the upper and lower ends of the wall panels are fixed to form a double wall.The present invention comprises a plurality of wall panels 20 consisting...
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JP7007143B2 |
To provide a sealing method that can seal joints stably even when the width of a joint fluctuates because of expansion, contraction or the like of a concrete structure.The sealing method includes: cutting a joint plate 15 provided inside...
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JP7004889B2 |
To provide a rotary press-in drain pipe device capable of being inserted deeply into a dam body with large embankment installation width and improving drainage effect, and further suppressing generation of water passage due to disturbanc...
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JP6994742B1 |
To provide a method for repairing an impermeable sheet and a device for repairing an impermeable sheet used in a method for repairing an impermeable sheet, which can efficiently repair an impermeable sheet by omitting the time and proces...
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JP6993410B2 |
A seismic wave shield for protecting an area from seismic vibrations and a method of shielding an area from seismic waves by installing a seismic wave shield. The seismic wave shield comprises a set of columns embedded in regolith and in...
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JP2022000560A |
To provide a frost heave prevention system and a frost heave prevention method capable of preventing frost heave in the ground around a cylindrical object buried in a pavement ground.A frost heave prevention system 2 is provided with: a ...
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JP6984057B1 |
To provide a method of burying a sacrificial anode at a position where the effect of electric corrosion protection is sufficiently stable with a minimum required excavation amount. This is a method of burying a sacrificial anode A used f...
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JP6955958B2 |
To realize the vibration displacement suppressing structure of a structure that can suppress vibration displacement of the structure caused by an earthquake motion, etc.The vibration displacement structure 100 of a structure can suppress...
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JP6948290B2 |
To provide a corrosion control method of a steel structure good in handleability and capable of suppressing weight increase rate of a structure.A first aperture 22 is arranged in an upper part of a steel structure 20, and a second apertu...
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JP2021152262A |
To provide an anti-vibration structure with high workability capable of suppressing vibration propagation.An anti-vibration structure 10 includes: a first plate-like member 11 embedded in the ground 1; a second plate-like member 12 embed...
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JP2021152263A |
To provide an anti-vibration method capable of suppressing vibration propagation with high safety in the long term.The anti-vibration method includes a step of installing an anti-vibration member 10 that has multiple concavities or conve...
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JP6937490B2 |
To enhance corrosion proofing effect of a coating corrosion proof part of a steel material using both of electric protection and coating protection.The corrosion proofing method of a steel material uses both of electric protection and co...
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JP6924050B2 |
To provide a rainwater storage drainage structure which reduces cost for installation, improves drainability on a ground surface and can secure watering, and prevents clogging by sediment.A rainwater storage drainage structure 100 includ...
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