Core methods of ultra-high pressure jet grouting! Jet grout "JSG method" "CJG method"
The jet grouting method is a technique that uses ultra-high-pressure jet fluids to cut into the ground and improve the soil. There are two types of jet grouting methods: the "JSG method," which applies pressure to the curing material while excavating the soil and simultaneously mixes the soil with the curing material to create a cylindrical solidified body, and the "column jet method," which cuts the soil with ultra-high-pressure water, discharges the slurry to the surface while filling it with curing material, also creating a cylindrical solidified body. These methods can accommodate soil improvement under various geological conditions, depths, and other circumstances. 【Features】 ■ Reliable and certain construction is possible ■ A wide range of improvements that are not affected by the target soil type ■ High adhesion construction is possible ■ Large-diameter soil improvement can be achieved with small holes, allowing for closer construction to buried objects ■ Appropriate improvement strength can be set according to the improvement purpose ■ Economical and safe materials ■ Versatile mechanisms and compact equipment *For more details, please feel free to contact us.
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【Specifications of JSG Method】 Cutting Method: Ultra-high pressure curing material liquid and air Rod Used: Double pipe rod Remarks: Cutting pressure 20 MPa Curing material injection discharge amount 60 L/min Target Ground: Sandy soil N≦50, Clayey soil N=4 【Specifications of CJG Method】 Cutting Method: Ultra-high pressure water and air Rod Used: Triple pipe rod Remarks: Cutting pressure 40 MPa Water injection discharge amount 70 L/min Curing material discharge amount 140・180 L/min Target Ground: Sandy soil N≦200, Clayey soil N≦9 *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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