Ground reinforcement work: Proposal for optimal ground reinforcement.

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Proposal for Optimal Ground Reinforcement

last updated：Sep 03, 2026

ジオテック

Optimal ground reinforcement without reverting from advanced construction methods.

We provide evidence-based ground reinforcement construction that meets the needs of professionals involved in design and construction. Our company covers a diverse range of methods, including cement-based columns, steel pipe piles, and high-performance hybrid methods that combine these techniques, all of which have obtained building technology performance certifications and ministerial approvals. The biggest feature is the "optimal selection of methods" tailored to soil quality, surrounding environment, and structural loads. For example, we compare and examine the technical advantages of methods such as the Pure Pile method, which prevents soil mixing; the Tiger Pile method, which addresses humus soil; and the DM/ETP method, which minimizes environmental impact and excess soil costs without soil discharge, to derive the most economical and reliable design. By proposing a rational plan that thoroughly eliminates risks from an engineer's perspective, without biasing towards a single method, we strongly support your company's smooth project progress and ensure reliable quality management without setbacks.

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In each construction method, we adopt strict construction and quality management standards in accordance with the performance certification of public institutions. In the field of steel pipe piles (DM, ETP, SMD, Σ-i, small-diameter steel pipe piles), we demonstrate reliable anchoring to the supporting layer by utilizing advanced techniques such as high-bearing-capacity tip wings, blockage effects, unique supporting layer predictions, PH-type dynamic penetration tests, and rebound tests. In the column and composite field (cross-wing, geo-column, tiger pile, pure pile, RES-P), we quantitatively demonstrate strength manifestation on site through methods such as reducing variability with our unique mixing equipment, effective utilization of material strength through the composite action of stepped steel pipes and columns, and uniaxial compression tests using mold cores. Furthermore, for small-scale buildings, we promise technical specifications that efficiently apply the omission of mixing tests and relaxed quality inspection conditions (Inspection Method A), achieving significant cost reductions and shortened construction periods without compromising quality standards.