Possible extensive solidification! Construction injection method technology using permanent grout material.
The "Expacker Method" is a technique developed with a focus on the ability to achieve extensive solidification with a large discharge volume at low injection pressure by permeating from a large columnar space, in contrast to conventional chemical injection methods. It is an injection method based on the principle of columnar permeation layering. Multiple injection outer pipes with several bags and discharge ports are installed in the designated improvement area, and by injecting into the inner pipe, the bags are expanded and anchored to the ground to form packers. Grout is then discharged from the inner pipe into the columnar space between the upper and lower packers, allowing for wide-range permeation and rapid construction of large volumes of soil. [Features] ■ Rapid construction of large volumes of soil ■ Cost-effective ■ High quality ■ Liquefaction prevention ■ High-strength ground improvement For more details, please feel free to contact us.
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basic information
【Specifications】 ■ Can be injected at a wide injection hole spacing (2-4m) with a large discharge rate (20-30ℓ/min) ■ Special injection material used for liquefaction prevention: Permalock ASF series - Active silica obtained by removing alkalinity from water glass - Continuous injection for several tens of hours is possible - Forms a permanent ground of 0.1-0.2MN/m² (1-2kgf/cm²) ■ Special injection material used for high-strength ground improvement: Hybrid silica - Ultra-fine particle composite silica - Forms a high-strength ground of 3-5MN/m² (30-50kgf/cm²) *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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