Ground improvement work | Achieving significant reduction of surplus soil and cost reduction with the Pure Pile method.
Significantly reduce disposal costs with a no-dirt-discharge structure that minimizes the generation of excavated soil. Geotech proposes the Pure Pile method, which balances high load-bearing capacity and excellent economic efficiency.
To prevent building differential settlement accidents and ensure long-term structural stability, prior ground analysis and appropriate ground reinforcement work are essential. The Pure Pile method proposed by Geotech Co., Ltd. is an environmentally friendly foundation reinforcement technology that directly constructs pure pile bodies underground using high-strength cement milk. This method adopts a construction principle that expands the ground laterally while penetrating, and by using straight rods that do not produce excavated soil, it dramatically reduces the generation of residual soil on site. By minimizing the occurrence of soil removal work and disposal costs, significant total cost reductions are achieved. Additionally, since it does not mix with locally generated soil, it is unaffected by soil quality and can reliably demonstrate high bearing performance even in humus-rich ground. By designing a balanced arrangement of numerous small-diameter reinforcement bodies with a design pile diameter of 20 cm, it disperses the building load and eliminates the risk of differential settlement in advance. Geotech provides safe and high-quality construction under a strict construction management system certified by ISO, recording site data in real-time.
basic information
This construction method is a technical specification for placing reinforcement bodies with a design pile diameter of 20 cm, capable of reaching a maximum construction depth of 10 m from the ground surface. The applicable ground types are sandy soil, clayey soil, and humus soil. The applicable buildings are small-scale structures with up to 3 stories, a height of 13 m or less, a eave height of 9 m or less, and a total floor area of 1,500 square meters or less, as well as ground slabs. It has obtained the architectural technical performance certification from the Japan Building Research Institute (GBRC Performance Certification No. 11-28). This technology is based on objective evidence that eliminates poor solidification by forming a pure cement milk column without mixing soil and cement, and reduces disposal costs for construction waste through a construction structure that does not involve soil removal.
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Ground reinforcement work
Applications/Examples of results
It is suitable for ground reinforcement work and subsidence prevention measures in small-scale buildings such as detached houses, apartment buildings, and stores. It is particularly effective in urban areas or narrow sites where there is a desire to reduce the cost of transporting and disposing of generated soil. It is also suitable for foundation reinforcement applications in humus soil and clay soil where mixing with locally generated soil needs to be avoided. It is used in situations where a review of conventional columnar improvement methods and cost reduction are desired, as well as in subsidence prevention work for floor slabs in stores and factories. It is widely utilized in design and construction sites that aim to ensure reliable structural stability while reducing construction costs and environmental impact.
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