It is also possible to create a fan-shaped improvement body (90° to 270°) using a shaking method!
The "RJP Method" is a ground improvement technique that creates cylindrical improved bodies with a diameter of 2.0 to 3.5 meters in the ground by injecting ultra-high-pressure water jet fluid (Aqua Jet) and air jet fluid, as well as ultra-high-pressure curing material jet fluid (Abrasive Jet) and air jet fluid, through a two-stage injection system using a merging method from a monitor attached to the tip of a multi-pipe rod, while rotating and pulling up. 【Features】 ■ By using a new type of ultra-high-pressure slurry pump that discharges 100 L/min of curing material at a regular pressure of 40 MPa, large cross-section improvements can be made across all ground types. ■ The improvement cross-section can be freely selected due to the oscillation mechanism. ■ Strength adjustments can be made according to the improvement purpose. ■ High quality. ■ Cost-effective. *For more details, please feel free to contact us.
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【Specifications】 <RJP Method> Effective Diameter: 2.0 to 3.2 m Upper High-Pressure Jet: Water Discharge Pressure: 20 MPa Discharge Rate: 50 L/min Lower High-Pressure Jet: Hardening Material Discharge Pressure: 40 MPa Discharge Rate: 100 L/min Compressed Air Discharge Pressure: 0.7 MPa Discharge Rate: 3 to 7 m³/min <S-RJP Method> Effective Diameter: 2.0 to 3.0 m Upper High-Pressure Jet: Water Discharge Pressure: 20 MPa Discharge Rate: 50 L/min Lower High-Pressure Jet: Hardening Material Discharge Pressure: 40 MPa Discharge Rate: 190 L/min Compressed Air Discharge Pressure: 1.05 MPa Discharge Rate: 3 to 7 m³/min <D-RJP Method> Effective Diameter: 3.1 to 3.5 m Upper High-Pressure Jet: Water Discharge Pressure: 20 MPa Discharge Rate: 50 L/min Lower High-Pressure Jet: Hardening Material Discharge Pressure: 40 MPa Discharge Rate: 300 L/min Compressed Air Discharge Pressure: 1.05 MPa Discharge Rate: 3 to 7 m³/min *For more details, please feel free to contact us.
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Our company was founded in 1958 and specializes in underground special civil engineering works such as underground continuous walls, underground obstacle removal, ground improvement, and pipeline construction. In recent years, we have expanded our business operations to include slope work and construction. There is a growing social demand for securing the natural environment, seismic reinforcement, liquefaction prevention, restoration of structures, and urban redevelopment, which have become pressing issues in recent years. In response to these social needs, we have developed seismic reinforcement and liquefaction countermeasure methods such as the "Ultra Multi-Point DP Method" and the "High Grip Grout Method." For structural restoration, we utilize our in-house developed restoration method called "Suiheikun," and for urban redevelopment, we are conducting research and development of new methods such as the "Hiro Work Kmigty Method," "Bauer Method," and "Super Top Method," aimed at underground obstacle removal. Additionally, as part of our eco-friendly initiatives, we are researching and developing methods that use bubble drilling fluid to reduce industrial waste, striving to contribute to society through high-quality construction and services. We aim to continue responding to the needs of the times by deploying a variety of specialized techniques and uniquely developed methods.
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