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Japanese Site Search PROFILE OVERSEAS OFFICE DOMESTIC BRANCHES TECHNOLOGY TECHNOLOGY ROADS AIRPORTS BRIDGES TEST COURSES / RACE CIRCUITS MAINTENANCE SPORTS AND LESIURE FACILITIES TECHNICAL RESEARCH INSTITUTE RESEARCH FACILITY ORGANIZATION SCIENTIFIC PAPERS IR ISO CONTACT US Search PROFILE OVERSEAS OFFICE DOMESTIC BRANCHES TECHNOLOGY ROADS AIRPORTS BRIDGES TEST COURSES / RACE CIRCUITS MAINTENANCE SPORTS AND LESIURE FACILITIES TECHNICAL RESEARCH INSTITUTE IR ISO Deep Stabilization HOME TECHNOLOGY CONSTRUCTION TECHNOLOGY Deep Stabilization Improvement of Weak Sub-grades Summary A harderner is added to weak ground that cannot support ordinary construction equipment and mixed with an amphibious stabilizer, thus improving the top 1-2 m of ground by making it firmer. Merit Very weak ground not accessible to people and heavy equipment can be treated. Various mixing apparatuses (propeller type, rotor type and trencher type) allow a choice to fit the quality of soil to be treated. Use Improvement of weak soil as in rice paddies or swamps. Foundation of temporary roads, foundation of pile drivers, construction of foundation on reclaimed lands, odor-prevention of rivers and marshes. Past performance National highways, prefectural roads, municipal roads, facilities for river and harbor, grounds of firms. CONSTRUCTION TECHNOLOGY A Ameni-Phalt S seriesLow noise / Drainage Pavement Asphalt MasticUnderground Water Retaining Wall Asphalt RevetmentPavement of Dike Sloping Automobile Proving Grounds/Bicycle Race CoursesPavement of Straight and Curving Slopes-Lateral paving method D Deep StabilizationImprovement of Weak Sub-grade F Foamed Mastic Seal(FMS)Hot-mix Surface Treatment Foamed StabilizationMixed- On-Site Stabilization with Straight Asphalt H Hard Guss AsphaltGuss Asphalt Pavement HIGH SPEED TRACKBANK PAVING SYSTEM I Interlocking Block PavementIrregular-shaped Pavement M Mini RoadInstant Paving Material N ND-IT Construction SystemICT (Information Communication Technology) Construction System O OmnicourtLoose Lay Installation/Sand Fill System P Perfect-Bond Concrete Overlay MethodSurface treatment using water-ND Waterjet System Permeable Color PavementHot-mix Pavement Poliment-UltrapavePavement Resistant to Heat and Very Heavy Load of Multi-wheeled vehicles R Rainbow BrickVaried Shape Color Tile Method Rainbow Color PavementKao Mat SK Rainbow Color PavementRainbow Color A Rainbow Color PavementRainbow Color E Rainbow Color PavementRainbow Color MH R.C.C.P.Roller Compacted Concrete Pavement Recycle StabilizationOn-Site Recycling of Existing Pavement Recycled SurfaceOn-Site Surface of Asphalt Pavement Refresh Seal MixHot Asphalt Surface Treatment Method Refresh Seal Mix-HHot Asphalt Surface Treatment Method (Hard Type) Road PlaningCold Planing Road StabilizationImprovement of Base Course and Sub-grade Rolled AsphaltPavement Resistant to Abrasion and Skidding S Safety GroovingGrooving for Skid-resistance Semi Hot PaveWarm Mix Asphalt SKID-PANELPre-cast Low μ Road Soft Step AAcrylic Resin Type Soft Step GrainrUrethane Rubber Chip N and R Type Soft Step GrainrUrethane Rubber Chip P Type Soft Step MasterUrethane Solid Type Soft Step ProSoft Acrylic Resin Type SPRINKLING NOZZLESprinkling Nozzle for Proving Ground Steel-Fiber-Reinforced Concrete(SFRC)Steel-Fiber-Reinforced Concrete Pavement Stone Mastic AsphaltAbrasion-and-Flow Resistant Pavement Top PROFILE OVERSEAS OFFICE DOMESTIC BRANCHES TECHNOLOGY ROADS AIRPORTS BRIDGES TEST COURSES / RACE CIRCUITS MAINTENANCE SPORTS AND LESIURE FACILITIES TECHNICAL RESEARCH INSTITUTE RESEARCH INSTITUTE ORGANIZATION SCIENTIFIC PAPERS CONSTRUCTION TECHNOLOGY Ameni-Phalt S series Asphalt Mastic Asphalt Revetment Automobile Proving Grounds/Bicycle Race Courses Deep Stabilization Foamed Mastic Seal(FMS) Foamed Stabilization Hard Guss Asphalt HIGH SPEED TRACK Interlocking Block Pavement Mini Road Omnicourt Perfect-Bond Concrete Overlay Method Perfect-Bond Concrete Overlay Method Perfect-Bond Concrete Overlay Method Perfect-Bond Concrete Overlay Method Permeable Color Pavement Poliment-Ultrapave Rainbow Brick Rainbow Color Pavement Rainbow Color Pavement Rainbow Color Pavement Rainbow Color Pavement R.C.C.P. Recycle Stabilization Recycled Surface Road Planing Road Stabilization Rolled Asphalt Safety Grooving SKID-PANEL Soft Step A Soft Step Grainr Soft Step Grainr Soft Step Master Soft Step Pro SPRINKLING NOZZLE Steel-Fiber-Reinforced Concrete(SFRC) Stone Mastic Asphalt ND-IT Construction System Semi Hot Pave Refresh Seal Mix Refresh Seal Mix-H INVESTOR RELATIONS GENERAL MEETING OF SHAREHOLDERS SUMMARIES OF FINANCIAL RESULTS ANNUAL FINANCIAL DATA INTEGRATED REPORT FINANCIAL RESULTS BRIEFING ISO PAGETOP PROFILE OVERSEAS OFFICE DOMESTIC BRANCHES TECHNOLOGY ROADS AIRPORTS BRIDGES TEST COURSES / RACE CIRCUITS MAINTENANCE SPORTS AND LESIURE FACILITIES TECHNICAL RESEARCH INSTITUTE IR ISO Japanese © THE NIPPON ROAD CO., LTD., All Rights Reserved CONTACT US