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About UsProduct informationDownload documentsContacttranslateProduct information highlight_offSearch by product categoryDecks CollectionQL DeckJF DeckPlank SheetDecksSafety Barriers CollectionSafety Barrier for Vehicles(GR, GP, GC, GB)Guard Fence for BridgesSafety BarriersSoundproofing CollectionAcoustic BoardSQ PanelR-modeSee-through BoardWindbreak, Snowbreak, and Blast FencesSound proofingFences CollectionNet FenceJ-PET FenceHighly Corrosion-resistant FenceV-Net FenceNew Round FenceRound Pipe FenceExpansion FenceDiamond FenceFence for Sports Fields and ParksHigh FenceBackstop NetBall FenceHanger-type Backstop NetMesh FenceJ Mesh FenceNeo Rotary FenceBlind FenceJ Blind Fence(JKB)Blind Fence (sound insulation type)Greening Promotion FenceEarthquake-resistant Blind FenceBlind FenceLattice FenceSquare Pipe FenceSliding DoorRevolving Gatepost DoorAluminum/Stainless Steel FenceAluminum Fence/Sliding Door/Gate/HandrailStainless Steel Fence/Sliding Door/Gate/HandrailFRP FenceRoad/Railway Related FenceEntry Prevention FenceFalling Object Prevention FenceFencesCivil Engineering CollectionLiner PlateJ Smart Wall®(JSW)Urban Ring®(UR)Corrugated Steel ProductsLightweight Steel Sheet PilePlank SheetCivil EngineeringSegments CollectionSteel SegmentRC SegmentComposite SegmentSegmentsDisaster Prevention CollectionJ Slit DamJ-HD Steel SlitJD FenceJSN Steel-Wall DamJS PackageJFE Large-scale Gabion WorkJFE Gabion Work (M Package)JFE Rockfall Protection FenceJFE Rockfall Protection NettingTsunami BarrierDisaster PreventionPorcelain Enamel CollectionPorcelain Enamel Steel ChalkboardPorcelain Enamel Steel Blackboard for Projection [VIVAE]Enamel Steel MarkerboardPorcelain Enamel Steel Mica ScreenInterior & Enameled Kitchen PanelPorcelain EnamelSearch by applicationUrban developmentUrban developmentSkyscraper/CondominiumHousing/SchoolCity/ParkRoad/RailwayBridgeVertical shaftAdit/TunnelRiverNatural disaster countermeasuresNatural disaster countermeasuresSediment disaster countermeasuresDriftwood countermeasuresRockfall countermeasuresRiver/bank protection measuresLandslide countermeasuresTsunami countermeasuresWind and snow countermeasuresRainwater/flood countermeasuresAbout UsProduct informationProduct informationDecksQL DeckJF DeckPlank SheetSafety BarriersSafety Barrier for Vehicles(GR, GP, GC, GB)Guard Fence for BridgesSoundproofingAcoustic BoardSQ PanelR-modeSee-through BoardWindbreak, Snowbreak, and Blast FencesFencesNet FenceJ-PET FenceHighly Corrosion-resistant FenceV-Net FenceNew Round FenceRound Pipe FenceExpansion FenceDiamond FenceFence for Sports Fields and ParksHigh FenceBackstop NetBall FenceHanger-type Backstop NetMesh FenceJ Mesh FenceNeo Rotary FenceBlind FenceJ Blind Fence(JKB)Blind Fence (sound insulation type)Greening Promotion FenceEarthquake-resistant Blind FenceBlind FenceLattice FenceSquare Pipe FenceSliding DoorRevolving Gatepost DoorAluminum/Stainless Steel FenceAluminum Fence/Sliding Door/Gate/HandrailStainless Steel Fence/Sliding Door/Gate/HandrailFRP FenceRoad/Railway Related FenceEntry Prevention FenceFalling Object Prevention FenceCivil EngineeringLiner PlateJ Smart Wall®(JSW)Urban Ring®(UR)Corrugated Steel ProductsLightweight Steel Sheet PilePlank SheetSegmentsSteel SegmentRC SegmentComposite SegmentDisaster PreventionJ Slit DamJ-HD Steel SlitJD FenceJSN Steel-Wall DamJS PackageJFE Large-scale Gabion WorkJFE Gabion Work (M Package)JFE Rockfall Protection FenceJFE Rockfall Protection NettingTsunami BarrierPorcelain EnamelPorcelain Enamel Steel ChalkboardPorcelain Enamel Steel Blackboard for Projection [VIVAE]Enamel Steel MarkerboardPorcelain Enamel Steel Mica ScreenInterior & Enameled Kitchen PanelDownload documentsCareers©JFE Metal Products Corporation.All rights reserved.Product information/Civil EngineeringUrban Ring®(UR)Press-fit urban caisson method developed for restricted construction space in urban areasA systematic construction method using Urban Ring® (split assembly-type earth retaining wall) allows diverse applications.Press-fit urban caisson methodNo impact on surroundingsExcellent installabilityCan be used under constraintsCan be used for a wide range of applicationsProduct CategoriesCivil EngineeringApplicationsBridgeVertical shaftLandslide countermeasureskeywordsEarthquake countermeasuresManholeVertical shaft for the pipe-jacking methodVertical shaft for the deep foundation methodEarth-retaining work for bridge pier reinforcementFeaturesNo impact on surroundings- Ensuring safety without influence on neighboring structures or surrounding ground- Requiring no soil improvement and having no influence on groundwater- Little vibration noiseExcellent installability- Securing high vertical precision- Securing high water resistance- Allowing safe construction as no workers need to work inside the shaft when setting the caisson- Reducing work period by continuous operation with effective use of space- Easy-to-handle segmented membersCan be used under constraintsWith a setting device that can be flexibly raised and lowered, it can be used in narrow construction yards.Can be used in places with height restrictions (under elevated tracks/indoors).Supporting construction in a temporarily occupied zone (under road lining), which allows for opening the roadCan be used for a wide range of applications- Profile: circular/oval- Outer diameter: 3 m or more- Depth: up to about 70 m- Soil: soft silt, clay, sand, gravel, soft rock, medium hard rockCivil Engineering CollectionLiner PlateEarth-retaining material that is lightweight and can be transported and installed by workersIt is used for a wide range of applications such as vertical shafts, tunnels, and landslide countermeasures, and is ideal for places that cannot be accessed by heavy equipment.J Smart Wall®(JSW)New type of earth-retaining material enables ring-less reinforcement of the conventional liner plate vertical shaftsSignificantly reduces construction labor and improves safety during constructionUrban Ring®(UR)Press-fit urban caisson method developed for restricted construction space in urban areasA systematic construction method using Urban Ring® (split assembly-type earth retaining wall) allows diverse applications.Corrugated Steel ProductsCorrugated products that are lightweight, have high strength, and excel in workability and installability.It excels in water-tightness and is used in a wide range of applications such as drainage channels and water tanks.Lightweight Steel Sheet PileLightweight steel sheet pile with excellent cross-sectional performance due to effective cross-sectional shapeIt is used in a wide range of applications such as earth retaining work and revetment work.Plank SheetCivil engineering structural materials and building structural materials with high cross-sectional rigidity thanks to effective cross-sectionsIt is used for many purposes such as pedestrian decks.Contact Information for Inquiries Regarding This ProductUrban Ring®(UR)に関するご質問・ご要望などがございましたら、下記よりお気軽にお問い合わせください。If you have any questions, inquiries, or requests regarding Urban Ring®(UR), please feel free to contact us using the details provided belowJFE Metal Products Corporation11F, Shinagawa Season Terrace, 1-2-70 Konan, Minato-ku, Tokyomail_outlineContact Form1-2-70 Konan, Minato-kuTokyo 108-0075, JapanShinagawa Season Terrace 11th Floormailpin_dropProduct CategoriesDecksSafety BarriersSoundproofingFencesCivil EngineeringSegmentsDisaster PreventionPorcelain EnamelUrban developmentSkyscraper/CondominiumHousing/SchoolCity/ParkRoad/RailwayBridgeVertical shaftAdit/TunnelRiverNatural disaster countermeasuresSediment disaster countermeasuresDriftwood countermeasuresRockfall countermeasuresRiver/bank protection measuresLandslide countermeasuresTsunami countermeasuresWind and snow countermeasuresRainwater/flood countermeasuresinformationAbout UsRelated SitesJFE Holdings, Inc.JFE Steel CorporationJFESCRUMTO TOP©JFE Metal Products Corporation.All 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