Research reports - Nagai Hiroshi

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  1. Effect of multi-layer and shear wave velocity of soil on the horizontal dynamic impedance of piled raft foundations and simplified calculations

    高井友葵,永井宏,安田優里菜,日本建築学会北海道支部研究報告集,(No.97),(p.445 ~ 448),2024.06

  2. Experimental study on shaft resistance of new piles overlapping in backfilled clayey soil columns - Effect of compressive strength of backfilled clayey columns on pile shaft resistance -

    樫谷祥季,中村健太,永井宏,日本建築学会北海道支部研究報告集,(No.97),(p.149 ~ 152),2024.06

  3. Effect of backfilled sand dimensions and location under different conditions on shaft resistance of newly constructed piles

    中村健太,永井宏,森駿也,日本建築学会北海道支部研究報告集,(No.96),(p.57 ~ 60),2023.06

  4. Influence of ground condition on dynamic horizontal impedance of piled raft foundation and its calculation method

    安田優里菜,高井友葵,永井宏,日本建築学会北海道支部研究報告集,(No.96),(p.13 ~ 116),2023.06

  5. A study on calculation for stresses in the ground due to shared loads of piles comprising piled raft foundations and its application to simplified calculation of consolidation settlement

    宮内律郎,永井宏,高井友葵,日本建築学会北海道支部研究報告集,(No.96),(p.363 ~ 366),2023.06

  6. Study on long-term vertical bearing performance and consolidation settlement of piled raft foundation by in-situ loading tests

    高井友葵,永井宏,宮内律郎,井出義人,大槻莉央,小路貴也,門脇在汰,金井重夫,日本建築学会北海道支部研究報告集,(No.95),(p.23 ~ 28),2022.06

  7. Analytical study on the influence of backfilled soil column conditions on lateral resistance of new pile and its simple calculation

    三島木駿,永井宏,日本建築学会北海道支部研究報告集,(No.95),(p.53 ~ 56),2022.06

  8. Study on shaft resistance of new pile close to backfilled soil column after removing existing old pile - Examination of shear failure behavior by compressive loading test of pile in soil laid with colored sand -

    中村健太,永井宏,日本建築学会北海道支部研究報告集,(No.95),(p.37 ~ 40),2022.06

  9. Study on settlement reduction and vertical load sharing of piled raft foundation in clay by in-situ loading test and simple calculation

    宮内律郎,永井宏,井出義人,大槻莉央,小路貴也,金井重夫,日本建築学会北海道支部研究報告集,(No.94),(p.23 ~ 26),2021.06

  10. Analytical study on lateral soil spring of new pile close to backfilled soil column after removing existing old pile

    工藤舜也,永井宏,日本建築学会北海道支部研究報告集,(No.94),(p.400 ~ 403),2021.06

  11. Calculation method for deformation of concrete-filled double steel pipe pile subjected to horizontal load

    永井宏,池田篤則,佐藤雄太,山口湧也,日本建築学会北海道支部研究報告集,(No.94),(p.392 ~ 395),2021.06

  12. Study on shaft resistance of new pile close to backfilled soil column after removing existing old pile - Axial compressive loading model test of pile and finite element method -

    黒川達矢,永井宏,工藤大暉,日本建築学会北海道支部研究報告集,(No.94),(p.43 ~ 46),2021.06

  13. Dynamic interaction factor between raft and pile group of piled raft foundation for horizontal and rotational motion - Frequency characteristics and simple evaluation of foundation with rectangular shape -

    永井宏,日本建築学会北海道支部研究報告集,(93),(p.329 ~ 332),2020.06

  14. Analytical study on lateral resistance of pile with backfilled soil

    工藤舜也,永井宏,地盤工学会北海道支部技術報告集,(No.60),(p.63 ~ 68),2020.01

  15. Calculation method on axial compression deformation of concrete-filled double steel pipe pile considering slip between steel pile and concrete

    永井宏,足立啓輔,池田篤則,佐藤雄太,山口湧也,日本建築学会北海道支部研究報告集,(No.92),(p.371 ~ 374),2019.06

  16. Experimental study on lateral resistance of pile with backfilled soil

    工藤舜也,永井宏,山黒寛矢,森田望,地盤工学会北海道支部技術報告集,(No.59),(p.51 ~ 56),2019.01

  17. An analytical study on effects of existing old pile condition for foundation input motion of new pile foundation considering nonlinearity of soil

    佐藤来美,永井宏,日本建築学会北海道支部研究報告集,(No.91),(p.87 ~ 90),2018.06

  18. Analytical study on deformation characteristic and bending strength of concrete filled double steel pipe piles under axial force and bending moment

    足立啓輔,永井宏,池田篤則,佐藤雄太,山口湧也,日本建築学会北海道支部研究報告集,(No.91),(p.115 ~ 118),2018.06

  19. Analytical Study on Compressive Behavior of Concrete-Filled Double Steel Pipe Pile

    足立啓輔,永井宏,池田篤則,佐藤雄太,日本建築学会北海道支部研究報告集,(No.90),(p.53 ~ 56),2017.06

  20. Numerical Analysis of Effects of Configuration of Old Piles Left Underground on Foundation Input Motion of Pile Foundation

    永井宏,室蘭工業大学紀要,(No.66),(p.83 ~ 94),2017.03

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