High-performance hybrid ground reinforcement method with obtained architectural technical performance certification.
In warehouse construction, a strong foundation is required to safely store large quantities of goods. In particular, the burden on the ground due to the load can be significant, and ground subsidence or differential settlement can affect the safety and functionality of the building. Reliable ground reinforcement that provides adequate bearing capacity is essential for the long-term stable operation of warehouses. The Tiger Pile method by Geotech Co., Ltd. is a soil-cement column method using stepped steel pipes as core materials, which has obtained architectural technology performance certification from the Japan Architectural Institute. By combining the stable material strength of steel pipe pile methods with the high frictional force of column methods, this hybrid approach compensates for the shortcomings of each method and ensures reliable high bearing capacity. The core material effect also enhances resistance to bending and shear forces during earthquakes, minimizing the impact even in cases of poor ground solidification. [Application Scenarios] - Reinforcement of foundation ground in warehouse construction - Reduction of ground subsidence risk due to load - Mitigation of structural impact during earthquakes [Effects of Implementation] - Realization of long-term stable operation of warehouses - Improvement of building safety - Reduction of maintenance costs
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【Features】 - This is a highly reliable construction method that has obtained architectural technical performance certification (GBRC Performance Certification No. 06-12 Revised 4). - It is a high-performance hybrid method that combines the advantages of steel pipe pile methods and column methods. - The core material effect improves resistance to bending and shear forces during earthquakes. - Even if localized solidification issues occur, the impact is minimized. - It has a wide applicable ground range, capable of accommodating end ground with N' 0.15 or higher and an average surrounding ground value of 0.6 or higher. 【Our Strengths】 GeoTech Co., Ltd. offers "total ground services," providing a one-stop solution for all ground-related tasks, including ground surveys, ground reinforcement design/construction, and settlement correction work for existing buildings. With extensive experience and reliable technology, we provide optimal solutions tailored to our customers' needs.
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It can be applied to ground reinforcement measures for a wide range of buildings and structures. Even in humus soil foundations, where extremely weak ground and poor solidification due to organic components are likely to occur, making conventional soil column design difficult, it enables reliable design and planning by considering the material strength of the core material (60-400 kN). When compared to conventional methods under the same ground conditions, the high load-bearing capacity significantly shortens the improvement length, reducing the amount of improved soil, solidification materials (cement-based solidifying agents), and generated surplus soil to about one-fourth or less (design example: 27 columns, improved soil volume 37.11 m³ → 8.97 m³, solidification material 12t → 3.5t, surplus soil volume 7.4 m³ → 1.8 m³). It achieves shortened construction periods and reductions in CO2 and exhaust gases from construction equipment, demonstrating excellent economic and environmental performance.
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