Development of an apparatus for triaxial extension tests in large deformation

• Project/Area Number: 19560494
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Geotechnical engineering
• Research Institution: Tokyo Metropolitan University
• Principal Investigator: YOSHIMINE Mitsutoshi Tokyo Metropolitan University, 都市環境科学研究科, 准教授 (80251338)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2007: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
• Keywords: 土木材料 / 土質力学 / 地盤工学

Research Abstract

砂が大変形したときの力学特性は、液状化災害を予測し対策を考える上で非常に重要である。三軸圧縮モードでの砂の大変形特性はこれまでに多くの研究者により実験的に調査されてきたが、通常の三軸せん断試験装置では、三軸伸張モードでの大変形試験が不可能であり、このことが現実の地盤内での一般的な応力・ひずみ条件での砂の液状化特性の解明を妨げてきた。そこで、本研究では供試体の均一性を担保して三軸伸張条件で大変形試験を可能とする新たな試験装置を開発した。

Research Products

• [Presentation] Development of an apparatus for evaluating steady state of sand in triaxial extension condition (2008)
  • Author(s): K.Endo, M.Yoshimine
  • Organizer: Proceedings of the 3rd Taiwan-Japan Joint Workshop on Geotechnical Hazards from Large Earthquakes and Heavy Rainfall(ISBN 978-957-29749-1-9)
  • Place of Presentation: Keelung, Taiwan
• [Presentation] 微湿潤堆積法による非常に緩い砂の供試体作成 (2008)
  • Author(s): 吉嶺充俊・福永純平
  • Organizer: 第43回地盤工学研究発表会
• [Presentation] Development of an apparatus for evaluating steady state of sand in triaxial extension condition (2008)
  • Author(s): K. Endo, M. Yoshimine
  • Organizer: Proceedings of the 3rd Taiwan-Japan Joint Workshop on Geotechnica1 Hazards from Large Earthquakes and Heavy Rainfall (ISBN 978-957-29749-1-9), pp. 489-494, 2008.
  • Place of Presentation: Keelung, Taiwan
• [Presentation] 微湿潤堆積法による非常に緩い砂の供試体作成 (2008)
  • Author(s): 吉嶺充俊, 福永純平
  • Organizer: 第43回地盤工学研究発表会, pp. 355-356
  • Place of Presentation: 広島国際会議場
• [Presentation] Steady state of sand in triaxial extension test, Earthquake Hazards and Mitigation, I.K. International Publishing House Pvt. Ltd. (ISBN : 978-81-89866-77-8) (2007)
  • Author(s): Yoshimine, M. and Kataoka, M.
  • Organizer: Edited by R. Ayothiraman and H. Hazarika(Proceedings of the International Workshop onEarthquake Hazards and Mitigation : EHAM-2007)
  • Place of Presentation: Assam, India
• [Presentation] 三軸伸張条件での砂の定常状態 (2007)
  • Author(s): 吉嶺充俊・片岡宗大
  • Organizer: 第42回地盤工学研究発表会(387-388)
• [Presentation] Steady state of sand in triaxial extension test (2007)
  • Author(s): Yoshimine, M. and Kataoka, M.
  • Organizer: International Workshop on Earthquake Hazards and Mitigation
  • Place of Presentation: EHAM-2007, Assam, India
• [Presentation] 三軸伸張条件での砂の定常状態 (2007)
  • Author(s): 吉嶺充俊・片岡宗大
  • Organizer: 第42回地盤工学研究発表会
  • Place of Presentation: 名古屋市