Ground improvement method using soil-cement columns with thin-walled steel pipes.
■ Performance-Proven Construction Method Building Technology Performance Certification GBRC Performance Certification No. 13-04 Rev. 2 This method has been reviewed by a third-party organization, which certifies the performance of the technology. ■ High Load-Bearing Capacity and High Strength This method combines the benefits of steel pipes with stable quality and strength of columnar improvement bodies. ■ High-Quality Mixing The specialized mixer, equipped with a comb section and eight blades, provides high-quality mixing. ■ Wide Range of Soil Types This method can accommodate a wider range of soil types than typical columnar improvement methods, as the steel pipes can complement quality and strength to mitigate variations in strength due to soil type. ■ Short Construction Period Due to high surface friction and quality, it is possible to shorten the pile length compared to conventional columnar improvement methods, leading to a reduction in construction time. ■ Suitable for Narrow Sites Heavy machinery is selected based on site conditions to advance the project more efficiently.
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【Applicable Ground and Construction Specifications】 ■Specifications of Ground Reinforcement Body ・Design Diameter: φ400mm, φ500mm ・Maximum Construction Depth: 10.0m ・Core Material Diameter: φ48.0mm, φ60.0mm ■Applicable Buildings ・Up to 3 stories above ground ・Building height up to 13m ・Total floor area up to 1500m² (for single-story buildings, up to 3000m²) ■Applicable Ground ・Sandy soil, clayey soil, loam
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■Up to 3 floors above ground Building height up to 13m Total floor area up to 1500m² (for single-story buildings, up to 3000m²) ・Residential houses and apartments ・Group homes and medical facilities ・Public buildings (police boxes, community centers, etc.) ・Commercial facilities such as stores ■Retaining walls up to 3.5m in height Small-scale civil engineering structures (retaining walls, box culverts, etc.)
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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.