Personnel Information

写真a

Nagai Hiroshi


The master's program in charge

Division of Sustainable and Environmental Engineering

The department in charge

Department of Civil Engineering and Architecture

Job title

Assistant Professor

E-mail Address

E-mail address

Research field 【 display / non-display

  • Building structures/Materials

Keywords for Research Field 【 display / non-display

  • Soil structure interaction

  • Piled raft foundation

  • Exsisting old pile

  • Screwed pile

  • Seismic response

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Graduate school・Graduate course, etc. 【 display / non-display

  • Muroran Institute of Technology

    2004,Doctoral program,Graduate School, Division of Engineering,Division of Civil Enginnering and Architecture,Completed,Japan

Graduate school・major, etc. 【 display / non-display

  • Muroran Institute of Technology

    1999,Faculty of Engineering,Department of Civil Enginnering and Architecture,Graduate,Japan

Academic Society 【 display / non-display

  • Architectural Institute of Japan

  • The Japanese Geotechnical Society

  • International Society for Soil Mechanics and Geotechnical Engineering

  • Japan Association for Earthquake Engineering

Academic prize 【 display / non-display

  • 第40回地盤工学研究発表会優秀論文発表者賞

    2005.07,地盤工学会

  • 平成26年度地盤工学会北海道支部賞

    2015.04.24,地盤工学会北海道支部

 
 

Papers 【 display / non-display

  • STATISTICAL STUDY ON LOAD-SETTLEMENT CHARACTERISTICS TOE OF SCREW PILES

    土屋 勉,永井 宏,下奈津実,AIJ Jornal of technology and design,vol.第22,(第52),(p.915 ~ 918),2016.10

  • Lateral resistancecharacteristics of screwed pile with soil improvement raround pile head

    永井 宏,土屋 勉,池田篤則,佐藤雄太,島田正夫,地盤工学ジャーナル,vol.Vol.11,(No.2),(p.127 ~ 137),2016.06

  • AN ANALYTICAL STUDY ON FOUNDATION INPUT MOTION OF NEW PILE FOUNDATION WITH OLD PILES LEFT UNDERGROUND

    永井 宏,土屋 勉,葛西 勇紀,Journal of Structural Engineering,vol.Vol.62B,(p.395 ~ 404),2016.03

  • 回転貫入杭の引抜き抵抗力特性に関する模型実験 -支持層に対する杭先端の根入れ効果-

    中沢楓太,土屋 勉,永井 宏,島田正夫,岡 聖也,Journal of Structural and construction Engineering,vol.第80,(第714),(p.1279 ~ 1286),2015.08

  • SEISMIC RESPONSE ANALYSIS OF PILED RAFT FOUNDATION CONSIDERING STRUCTURE-FOUNDATION-SOIL INTERACTION Part 2 Influence of natural period of super-structure and subsurface structure

    永井 宏,土屋 勉,阿部一茂,Journal of Structural Engineering,vol.Vol.61B,(p.481 ~ 488),2015.03

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International conference proceedings 【 display / non-display

  • Seismic response behavior of Piled raft Foundation Considering Soil-Structure Interaction under Strong Earthquake

    Takanori Mimuro, Hiroshi Nagai,Joint Seminar on Environmental Science and Disaster Mitigation Research 2017,(p.41 ~ 42),2017.03

  • Calculation method and Estimation on Dynamic Impedance of Piled raft Foundation

    Keiichi Muramoto, Hiroshi Nagai,Joint Seminar on Environmental Science and Disaster Mitigation Research 2017,(p.101 ~ 102),2017.03

  • Model Tests of Pulling Resistance of Helical Screw Piles - Effect of Installation Method -

    Tomohiro Mine, Tsutomu Tsuchiya, Hiroshi Nagai and Masao Shimada,Joint Seminar on Environmental Science and Disaster Mitigation Research 2016,(p.110 ~ 111),2016.03

  • Influence of Old Pile Position on Method for Input Motion of New Pile Foundation with Old Piles Left Underground

    Yuki Kasai, Hiroshi Nagai and Tsutomu Tsuchiya,Joint Seminar on Environmental Science and Disaster Mitigation Research 2016,(p.114 ~ 115),2016.03

  • Analytical study on Dynamic Impedance of piled raft foundation

    Keiichi Muramoto, Hiroshi Nagai, Tsutomu Tsuchiya and Nguyen Thi Thao Van,Joint Seminar on Environmental Science and Disaster Mitigation Research 2016,(p.112 ~ 113),2016.03

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Editorial and Commentary 【 display / non-display

  • 第49回地盤工学研究発表会 総括 6.地盤と構造物 杭基礎④

    永井 宏,地盤工学会誌,vol.Vol.62,(No.11/12),2014.12

  • 第48回地盤工学研究発表会 総括 6.地盤と構造物 鉛直③

    永井 宏,地盤工学会誌,vol.Vol.61,(No.11/12),2013.12

Research reports 【 display / non-display

  • 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

  • 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

  • Experimental study on pulling resistance of screwed pile - Effect of installation method on resistance and vertical stiffness of screwed pile -

    峯知宏,永井宏,島田正夫,地盤工学会北海道支部技術報告集,(No.57),(p.223 ~ 230),2017.02

  • Seismic response of piled raft foundation by FEM analysis -Influence of ground motion level-

    三室貴憲,永井宏,土屋勉,日本建築学会北海道支部研究報告集,(No.89),(p.91 ~ 94),2016.06

  • An analytical study on foundation input motion of new pile foundation with old piles left underground - Study on configuration of old pile -

    葛西勇紀,永井宏,土屋勉,日本建築学会北海道支部研究報告集,(No.89),(p.43 ~ 46),2016.06

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Presentaion at conference, meeting, etc. 【 display / non-display

  • Observation of soil movement around pile after installation or loading test and calculation of pulling resistance of screwed pile

    永井宏,峯知宏,島田正夫,土屋勉,日本建築学会,日本建築学会大会学術講演梗概集,(p.601-602),2017.09.01

  • Fundamental study on lateral resistance of concrete-filled double steel pipe piles - Part 4 Analytical study on flexural behavior of double steel pipe -

    足立啓輔,永井宏,池田篤則,佐藤雄太,日本建築学会,日本建築学会大会学術講演梗概集,(p.497-498),2017.09.01

  • Simple calculation method of dynamic impedance of piled raft foundation

    村本恵一,永井宏,三室貴憲,日本建築学会,日本建築学会大会学術講演梗概集,(p.551-552),2017.09.01

  • Fundamental study on lateral resistance of concrete-filled double steel pipe piles:Part3 Outline of bending tests and results

    佐藤雄太,池田篤則,永井宏,山口湧也,日本建築学会,日本建築学会大会学術講演梗概集,(p.495-496),2017.09.01

  • Model Tests on Bearing Capacity of Screwed Piles -Effect of Installation Method-

    峯知宏,土屋勉,永井宏,島田正夫,地盤工学会,第51回地盤工学研究発表会講演集,(p.1295-1296),2016.09

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Class subject in charge 【 display / non-display

  • 基礎構造演習

    2017,Department

  • 建築学概論

    2017,Department

  • 基礎構造

    2017,Department

  • 建築構造解析II

    2017,Department

  • 建築構造力学II

    2017,Department

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