Nagai Hiroshi 永井宏

… Alternative Names

NAGAI Hiroshi 永井宏

Less

Researcher Number	70413797
Other IDs
Affiliation (Current)	2025: 室蘭工業大学, 大学院工学研究科, 准教授
Affiliation (based on the past Project Information) *help	2019 – 2023: 室蘭工業大学, 大学院工学研究科, 准教授 2018: 室蘭工業大学, 大学院工学研究科, 助教 2016 – 2017: 室蘭工業大学, 工学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 23010:Building structures and materials-related / Building structures/Materials
Keywords	Principal Investigator 数値解析 / 模型実験 / 単杭 / 埋戻し土 / 既存杭 / 新設杭 / 土圧 / 砂のダイレイタンシー / 圧縮強度 / 粘性土 … More / 砂 / 杭の周面抵抗力 / 杭の支持力 / 支持力 / 建築構造・材料 / Sway-Rockingモデル / 地震時杭応力 / 動的地盤ばね / 動的相互作用 / 地震応答 / パイルド・ラフト基礎 … More Except Principal Investigator 人的被害と社会へのインパクト / 同時多発斜面災害 / 地震発生場 / 強震動と地盤建築被害 / ブラックアウト / 同時多発斜面崩壊 / 強震動と地盤建築物被害 / 地震活動と地殻構造 / 平成３０年北海道胆振東部地震 Less

埋戻し土の不確実性が新設杭の周面抵抗に及ぼす影響の解明と周面抵抗力の算定法の構築Principal Investigator
- Principal Investigator
  
  永井宏
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 23010:Building structures and materials-related
- Research Institution
  Muroran Institute of Technology
Evaluation of Bearing Capacity of New Piles Considering Construction HistoryPrincipal Investigator
- Principal Investigator
  
  NAGAI Hiroshi
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 23010:Building structures and materials-related
- Research Institution
  Muroran Institute of Technology
Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster
- Principal Investigator
  
  Takahashi Hiroaki
- Project Period (FY)
  2018
- Research Category
  
  Grant-in-Aid for Special Purposes
- Research Institution
  Hokkaido University
Evaluation on seismic response of piled raft foundation considering soil-structure interactionPrincipal Investigator
- Principal Investigator
  
  NAGAI Hiroshi
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Building structures/Materials
- Research Institution
  Muroran Institute of Technology

All 2023 2022 2021 2020 2019 2018 2017

All Journal Article Presentation

[Journal Article] Influence of backfilled sand dimensions and location on shaft resistance of piles2023
- Author(s)
  Kenta Nakamura, Hiroshi Nagai
- Journal Title
  
  International Journal of GEOMATE
  
  Volume: 25 (110) Issue: 110 Pages: 197-204
- DOI
  10.21660/2023.110.4037
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K04408
[Journal Article] Shaft resistance mechanism for piles close to backfilled sand and its evaluation2022
- Author(s)
  Hiroshi Nagai, Kenta Nakamura
- Journal Title
  
  International Journal of GEOMATE
  
  Volume: 23 Issue: 98 Pages: 84-91
- DOI
  10.21660/2022.98.3461
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K04408
[Journal Article] Shaft resistance of piles close to backfilled sand columns2021
- Author(s)
  Hiroshi Nagai
- Journal Title
  
  International Journal of GEOMATE
  
  Volume: 21(84) Issue: 84 Pages: 121-128
- DOI
  10.21660/2021.84.j2170
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] 条件の異なる埋戻し土の寸法・位置が新設杭の周面抵抗に及ぼす影響2023
- Author(s)
  中村健太，永井宏，森駿也
- Organizer
  日本建築学会北海道支部研究報告会
- Data Source
  KAKENHI-PROJECT-22K04408
[Presentation] 埋戻し土が重複する新設杭の周面抵抗に関する研究－色砂層を敷設した杭の押込み載荷試験によるせん断破壊挙動の検討－2022
- Author(s)
  中村健太，永井宏
- Organizer
  日本建築学会北海道支部研究報告会
- Data Source
  KAKENHI-PROJECT-22K04408
[Presentation] 埋戻し土が重複する新設杭の水平地盤ばね剛性に関する解析的研究2021
- Author(s)
  工藤舜也，永井宏
- Organizer
  日本建築学会北海道支部研究発表会
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] 埋戻し土に重複する新設杭の周面抵抗に関する研究－模型載荷実験とFEM解析による検討－2021
- Author(s)
  黒川達矢，永井宏，工藤大暉
- Organizer
  日本建築学会北海道支部研究発表会
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] 埋戻し土が近接する杭の水平抵抗に関する解析的検討2020
- Author(s)
  工藤舜也，永井宏
- Organizer
  地盤工学会北海道支部技術報告集
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] Experimental study on lateral resistance of pile with backfilled soil -Effect of backfilled soil density-2020
- Author(s)
  Syunya Kudou, Hiroshi Nagai
- Organizer
  Joint Seminar on Environmental Science and Disaster Mitigation Research 2020
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] 埋戻し土が近接する杭の水平抵抗に関する実験的研究2019
- Author(s)
  工藤舜也，永井宏，山黒寛矢，森田望
- Organizer
  第５９回地盤工学会北海道支部年次技術報告会
- Data Source
  KAKENHI-PROJECT-18K04421
[Presentation] 基礎・地盤関連の被害概要2018
- Author(s)
  飯場正紀・永井宏
- Organizer
  日本建築学会北海道支部、日本建築学会災害委員会「2018年（平成30年）北海道胆振東部地震初期の被害調査に基づく報告会」
- Data Source
  KAKENHI-PROJECT-18K19952
[Presentation] パイルド・ラフト基礎の動的地盤ばねの簡易算定法2017
- Author(s)
  村本恵一，永井宏，三室貴憲
- Organizer
  日本建築学会大会
- Data Source
  KAKENHI-PROJECT-16K18180

1. Takahashi Hiroaki (30301930)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 勝俣啓 (10261281)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 大園真子 (10623837)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 橋本武志 (70283588)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 青山裕 (30333595)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 酒井慎一 (00251455)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 松本聡 (40221593)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 岡田知己 (30281968)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 小菅正裕 (90142835)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 寺川寿子 (30451826)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 飯尾能久 (50159547)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 中尾茂 (90237214)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 上嶋誠 (70242154)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 柴田智郎 (80446369)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 大津直 (10446354)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 高井伸雄 (10281792)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 飯場正紀 (40344006)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. 渡部要一 (00371758)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 菊地優 (50344479)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 岡崎太一郎 (20414964)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 白井和貴 (20610968)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 西村裕一 (20208226)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 石川達也 (60359479)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 高瀬裕也 (30515911)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 宮森保紀 (00363383)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 三宅弘恵 (90401265)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 松島信一 (30393565)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 浅野公之 (80452324)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 重藤迪子 (90708463)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 卜部厚志 (20281173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 前田宜浩 (00594160)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 石澤友浩 (70453678)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. 廣瀬亘 (30446364)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. 小山内信智 (30355862)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. 山田孝 (20333635)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 笠井美青 (80294966)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 檜垣大助 (10302019)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 風間基樹 (20261597)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. 千木良雅弘 (00293960)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. 渦岡良介 (40333306)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. 竹林洋史 (70325249)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. 木村誇 (90758559)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
43. 石丸聡 (50446366)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
44. 岡田成幸 (50125291)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
45. 内田賢悦 (90322833)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
46. 有村幹治 (40548062)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
47. 植松武是 (60462347)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
48. 多々納裕一 (20207038)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
49. 梶谷義雄 (80371441)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
50. 能島暢呂 (20222200)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
51. 田村圭子 (20397524)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
52. 中村洋光 (60426004)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
53. 戸松誠 (50462338)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Nagai Hiroshi 永井 宏

NAGAI Hiroshi 永井 宏

Research Projects

Research Products

Co-Researchers

埋戻し土の不確実性が新設杭の周面抵抗に及ぼす影響の解明と周面抵抗力の算定法の構築Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Evaluation of Bearing Capacity of New Piles Considering Construction HistoryPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Comprehensive study on the 2018 Hokkaido Eastern Iburi Earthquake and its disaster

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Evaluation on seismic response of piled raft foundation considering soil-structure interactionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Influence of backfilled sand dimensions and location on shaft resistance of piles2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shaft resistance mechanism for piles close to backfilled sand and its evaluation2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shaft resistance of piles close to backfilled sand columns2021

Author(s)

Journal Title

DOI

Data Source

[Presentation] 条件の異なる埋戻し土の寸法・位置が新設杭の周面抵抗に及ぼす影響2023

Author(s)

Organizer

Data Source

[Presentation] 埋戻し土が重複する新設杭の周面抵抗に関する研究 －色砂層を敷設した杭の押込み載荷試験によるせん断破壊挙動の検討－2022

Author(s)

Organizer

Data Source

[Presentation] 埋戻し土が重複する新設杭の水平地盤ばね剛性に関する解析的研究2021

Author(s)

Organizer

Data Source

[Presentation] 埋戻し土に重複する新設杭の周面抵抗に関する研究 －模型載荷実験とFEM解析による検討－2021

Author(s)

Organizer

Data Source

[Presentation] 埋戻し土が近接する杭の水平抵抗に関する解析的検討2020

Author(s)

Organizer

Data Source

[Presentation] Experimental study on lateral resistance of pile with backfilled soil -Effect of backfilled soil density-2020

Author(s)

Organizer

Data Source

[Presentation] 埋戻し土が近接する杭の水平抵抗に関する実験的研究2019

Author(s)

Organizer

Data Source

[Presentation] 基礎・地盤関連の被害概要2018

Author(s)

Organizer

Data Source

[Presentation] パイルド・ラフト基礎の動的地盤ばねの簡易算定法2017

Author(s)

Organizer

Data Source

Nagai Hiroshi 永井宏

NAGAI Hiroshi 永井宏

[Presentation] 埋戻し土が重複する新設杭の周面抵抗に関する研究－色砂層を敷設した杭の押込み載荷試験によるせん断破壊挙動の検討－2022

[Presentation] 埋戻し土に重複する新設杭の周面抵抗に関する研究－模型載荷実験とFEM解析による検討－2021