Acquired the industry's largest extraction force [κ65]! Steel pipe pile 'Kenma Pile'

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last updated：Jan 21, 2019

一輝

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Overwhelming ground support strength for reliable cutoff management (in both pushing and pulling directions)! High support strength at a low cost! 【*GBRC Performance Certificate No. 17-32】

The "Kenma Pile" is a pile that places the highest importance on penetration and workability. Based on the experience, technology, and achievements cultivated so far, the wing shape of the Kenma Pile was developed to improve penetration into intermediate hard layers. Furthermore, by achieving 100% effective cross-sectional area (AP) in the wing, it realizes high bearing capacity and low cost. 【Features】 ■ A pile that prioritizes penetration and workability ■ Achieves one of the industry's largest pull-out forces, κ65 ■ Enables size reduction design without considering the diameter of the pile shaft, achieving low cost ■ A reliable and easy-to-understand stopping management method * For more details, please download the PDF document or feel free to contact us. * We are also recruiting agents for the "Kenma Method."

Related Link - http://kenmapile.com/

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★Minister of Land, Infrastructure, Transport and Tourism Certification → TACP-0520, TACP-0521 ・Push direction: α=150 Ap 100% ★Building Technical Performance Certification → GBRC Performance Certification No. 17-32 ・Pull direction: κ65 λ1.0 μ0.2 【About the industry's maximum κ】 ■Short-term allowable bearing capacity tRa determined from the ground in the pull direction tRa = 2/3{κ・Nt・Apt + (λ・Ns・Ls + μ・qu・Lc)・ψ} + Wpκ＝65 λ＝1.0 μ＝0.2 Apt= (Dw² -D²)･π／4 κ: Bearing capacity coefficient at the tip of the foundation pile in the ground (κ=65) λ: Coefficient of friction along the pile surface in sandy soil surrounding the foundation pile (λ=1.0; however, if pre-boring is performed, λ=0). μ: Coefficient of friction along the pile surface in clayey soil surrounding the foundation pile (μ=0.2; however, if pre-boring is performed, γ=0). Nt: Average N value near the tip of the foundation pile (average N value from the lower end of the pile shaft upwards over a range of 3Dw) *For more details, please refer to the PDF document or feel free to contact us.