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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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JP2021120533A |
To provide a waterproof structure and a waterproof method of an earth retaining wall which can be more simply and efficiently constructed and have high reliability, and an adjustment pipe used in the same.A tip of a bit 16 projects so as...
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JP2021113473A |
To provide a steel material having a corrosion-preventive layer which prevents a corrosion-preventive layer from being peeled from an end face even after elapse of time.A steel material (14) having a primer layer (16) and a corrosion-pre...
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JP6913406B1 |
To provide a ventilation port inundation prevention device capable of uniformly contacting a ventilation port and a plate when trying to close the ventilation port with a plate and easily determining a protruding direction of a hook whic...
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JP6900938B2 |
To provide a heavy corrosion-resistant coated steel material having an excellent impact resistance, in which the edge of anti-corrosion coating and protective coating is hardly peeled off even in a marine environment.The steel material s...
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JP6888992B2 |
To provide a foundation structure in which a lightweight material is used as a countermeasure as a heavy weight of back-filling soil on a base part of a foundation, dissipation of the lightweight material by water immersion or the like i...
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JP6869198B2 |
To provide a composite underground outer wall and a construction method of the same capable of making an earth retaining wall (SMW) constructed underground a part of an external force applied to an underground wall and stopping undergrou...
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JP6866916B2 |
To provide a method for constructing a box culvert which can be easily constructed at the site.When a box culvert formed of a concrete box body continuously arranged body is constructed in which concrete box bodies 1 having a hollow part...
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JP6860301B2 |
To provide a repair method and a repair structure for a steel sheet pile and a filler material leakage preventing member used with the repair method that significantly reduce a number of components and a number of work steps, thereby dra...
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JP6851161B2 |
To provide an anticorrosive construction method that makes local corrosion hardly occur in an embedment vicinity part of an upper concrete structure of a harbor structure.An anticorrosive construction method prevents local corrosion in a...
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JP2021031987A |
To provide a foundation structure for expansive soil suppressing breakage of a concrete slab provided on a ground including expansive soil.A foundation structure 10 for expansive soil comprises: a ground 20 in which a plurality of vertic...
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JP6835138B2 |
To provide a reinforcing structure for an existing steel sheet pile wall in which the manufacturing of members used is easy and the construction is also easy.In the reinforcing structure for an existing steel sheet pile wall, recesses an...
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JP6823510B2 |
To provide an anti-corrosive structure which can adhere closely to a steel pipe sheet pile even when the degree of a constructor's skill is low during placement or even when corrosion wastage occurs after the placement, and which is hard...
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JP6822909B2 |
To enable a check valve device installed in a weep wheel of an underground structure to maintain normal operation for a long period of time.A check valve device 7 installed in a weep wheel 6a of an underground structure 1 having a canal ...
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JP6804728B2 |
To provide a liquefaction countermeasure structure of construction and a design method of liquefaction countermeasure structure of construction capable of effectively preventing (reducing) damage due to liquefaction without requiring lar...
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JP6805444B2 |
To provide a fitting structure for an anti-corrosion metallic protection cover of a sheathed anti-corrosion structure that maintains anti-corrosion performance over a long period.An anti-corrosion metallic protection cover 3 includes: an...
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JP6792435B2 |
To provide an anticorrosive construction method which can achieve long-term durability by having a high salt-proof property for a long period and by a cut-off of ultraviolet radiation.The anticorrosive construction method prevents corros...
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JP6785535B1 |
To construct or remove a wall body without increasing the cost of temporary construction because it does not require deep excavation, earth retaining and opening closure, and does not require backfilling or removal of earth retaining at ...
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JP6775187B2 |
To certainly prevent intrusion of foreign matters such as sediment into vertical well casings on an upstream side and a downstream side by preventing a large damage of a rubber packing to secure seal efficiency to a horizontal pipe in bo...
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JP2020133245A |
To provide a steel structural member coated with a metal coating.In a steel structural member, a metal cover is arranged so as to cover a predetermined range of a surface of the steel structural member substantially in conformity with th...
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JP2020133277A |
To provide a steel pipe pile protection structure that can prevent a decrease in protection functions.The steel pipe pile protection structure comprises a protection cover 13 that is wound around a steel pipe pile 11 that is included in ...
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JP6731309B2 |
To propose a pile performance evaluation method capable of simply evaluating performance of a pile.A pile performance evaluation method includes acquisition processing S10, estimation processing S12, and evaluation processing S14. The ac...
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JP6726036B2 |
To provide a rebuilding method that alleviates the influence of buoyancy applied to an underground skeleton in association with fluctuations in vertical load during construction work.In a rebuilding method for an existing building, a met...
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JP6714307B2 |
To provide a reinforcement structure and a reinforcement method for existing steel pile wall, in which members to be used are easily produced and establishment may be easily carried out.There is provided a reinforcement structure for an ...
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JP6709119B2 |
To facilitate maintenance of a weep hole, and to enhance functionality of a check valve and the weep hole.A holder 10 of a check valve device 3 is attached to a weep hole pipe 2. A valve body 30 is provided in the holder 10. The valve bo...
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JP6698522B2 |
A composition capable of increased impermeability against the passage of ionic liquids therethrough can include a clay mixed with an anionic and cationic polymer. Such compositions can be provided in geosynthetic liners to provide a hydr...
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JP6691751B2 |
To provide a liquefaction base-isolated structure which can exert a base-isolation effect brought about by liquefaction and a settlement/differential settlement suppression effect in a well-balanced manner by inexpensive and simple const...
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JP6687792B1 |
To provide an anticorrosion structure of a steel pipe sheet pile and a holding plate material which can be used for the anticorrosion structure, which is excellent in adhesion of an anticorrosion layer to an uneven surface of a steel pip...
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JP6681500B1 |
To provide a backfill for electric corrosion protection which is useful for electric corrosion protection of a steel material embedded in concrete and has excellent construction safety. An electrolytic anticorrosion backfill 1 is provide...
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JP6676463B2 |
To provide an improved embankment reinforcement method capable of improving the resistance performance against the tractive force while reinforcing an embankment wall compared to conventional block mats.Disclosed is an embankment reinfor...
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JP6677453B2 |
To provide an external waterproof repair method of an underground structure capable of repairing water leakage by a few water cutoff agent.An external waterproof repair method for repairing an external waterproof structure formed by addi...
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JP2020051059A |
To provide a fixing structure capable of preventing flotation of a digestion tank installed under a ground surface without depending on fixation to a base concrete.A fixing structure of a digestion tank fixing a digestion tank 1 by insta...
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JP6661375B2 |
To provide a construction method of a freezing pipe capable of preventing the inflow-outflow of a pollutant to the inside-outside of an underground structure.A first casing 3a is installed up to a bottom slab 1a being a concrete slab of ...
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JP6661101B2 |
To uniformly and reliably cleanse attachments, such as sediment and soil cement, attached to the inner surface of a hollow pile 5 over the whole inner surface of the hollow part 5 while discharging the cleansed attachments and slurry to ...
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JP6638507B2 |
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JP6635327B2 |
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JP6631105B2 |
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JP2019215290A |
To provide a detection device for corrosion of a steel structure which enables a corrosion state of the steel structure covered by an anti-corrosion material to be easily detected without breaking the anti-corrosion material.The detectio...
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JP6613523B2 |
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JP2019178358A |
To provide a coating anticorrosion structure of a structural steelwork keeping enough thickness of a plastic layer, keeping adhesion of the coating anticorrosion structure and using a petrolatum-based anticorrosion material.In a petrolat...
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JP2019179003A |
To provide a method and a device for detecting corrosion of a rust-resisting body which can easily detect the corrosive state of a rust-resisting body coated with a coating rust-resisting body on the surface without destroying the rust-r...
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JP6589559B2 |
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JP6592226B2 |
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JP6582957B2 |
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JP6536268B2 |
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JP6534045B2 |
To provide a coated sheet laying apparatus capable of efficiently performing the work of laying a coated sheet (including a water-shielding sheet and a sheet-like buffer material) laid on a waste disposal site.A coated sheet laying appar...
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JP6533209B2 |
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JP6531634B2 |
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JP6523945B2 |
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JP6519396B2 |
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