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Residual deformation assessment of earth structure against earthquake and its application for design

Research Project

Project/Area Number 07455190
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionNagoya University

Principal Investigator

MATSUO Minoru  Department of Engineering, Nagoya University Professor, 工学部, 教授 (40025937)

Co-Investigator(Kenkyū-buntansha) NAKANO Masaki  Department of Engineering, Nagoya University Associate Professor, 工学部, 助教授 (00252263)
OHTSUKA Satoru  Nagaoka University of Technology, Associate Professor, 工学部, 助教授 (40194203)
Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥6,700,000 (Direct Cost: ¥6,700,000)
Fiscal Year 1996: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1995: ¥5,000,000 (Direct Cost: ¥5,000,000)
Keywordsearthquake / residual deformation / stability assessment / repeated loading / rigid-plastic dynamic deformation analysis / liquifaction / 盛土 / 安定解析 / 安全韋
Research Abstract

This study presents new stability methods of earth structures against earthquakes and rigid-plastic dynamic deformation analysis, and discusses their applicability in practice.
1. Consideration on safety factor of earth structure against earthquakes
A new stability method based on the shakedown theory considers the acceleration time history of earthquake exactly. The applicability of this method is examined for both sine and irregular acceleration waves enforced at the bedrock. The conclusions in this study were as follows : 1) The effects of periods in enforced accelerations on embankment stability were suitably evaluated. The stability depended on not only the enforced acceleration, but also the dynamic properties of the ground. 2) The applicability of new method is discussed in comparison with the conventional seismic coefficient method.
2. Development of rigid-plastic dynamic deformation analysis
The dynamic deformation analysis based on rigid-plastic assumption was developed in purpose of residual deformation assessment of earth structure against earthquakes. The results obtained in this study were as follows : 1) THe rigid-plastic dynamic deformation analysis could simulate the behavior of the geotechnical structures properly which changes their states between rigid body and plastic flow. 2) With the use of the stress history model of clays for repeated loads, the liquifaction process of plane strain repeated test was fairly simulated by rigid-plastic dynamic deformation analysis.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] 大塚悟,小島真志,松尾稔: "動的繰り返し荷重による残留変形に及ぼす幾何学的形状変化の影響" 土質工学会中部支部第7地盤工学シンポジウム論文集. 45-52 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 大塚悟,山田英司,松尾稔: "土構造物の動的安定性の評価の検討と地盤の動的支持力解析への応用" 粘性土の動的性質に関するシンポジウム論文集. 221-226 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 大塚悟,山田英司,松尾稔: "動的荷重に対する土構造物の安定性評価とその検討" 第40回地盤工学シンポジウム論文集. 265-270 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S. Ohtsuka, M. Matsuo: "Rigid Plastic Dynamic Deformation Analysis of Soil Structures" Proc. of First International Conference on Earthquake Geotechnical Engineering. Vol.2. 1147-1152 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S. Ohtsuka, M. Matsuo: "Residual Deformation Assessment Against Dynamic Loads" Proc. of Asia-Pacific Conference on Shock and Impact Loads on Structures. 363-368 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 大塚悟,山田英司,寺川邦明,松尾稔: "粘性土地盤上盛土の耐震安定性" 地震工学会中部支部第8回地盤工学シンポジウム論文集. 97-102 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, M.Kojima and M.Matsuo: "Effect of Geometric Change on Residual Deformation Under Dynamic Loading" Proc.of 7 th Symposium on Geotechnical Engineering in Chubu Branch. (in Japanese). 45-52 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, E.Yamada and M.Matsuo: "Consideration on stability of earth structures against dynamic loads and its application to dynamic bearing capacity analysis" Proc.of Symposium on Dynamic Property of Clayy Soil. (in Japanese). 221-226 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, E.Yamada and M.Matsuo: "Stability Assessment of earth structures against dynamic loads" Proc.of 40 th Symposium on Geotechnical Engineering. (in Japanese). 265-270 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, M.Matsuo: "Rigid Plastic Dynamic Deformation Analysis of Soil Structures" Proc.of First International Conference on Earthquake Geotechnical Engineering. Vol.2. 1147-1152 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, M.Matsuo: "Residual Deformation Assessment Against Dynamic Loads" Proc.of Asia-Pacific Conference on Shock and Impact Loads on Structures. 363-368 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] S.Ohtsuka, E.Yamada, K.Terakawa and M.Matsuo: "Stability Evaluation of Embankments on Clayy Ground Against Earthquakes" Proc.of 8 th Symposium on Geotechnical Engineering in Chubu Branch. (in Japanese). 97-102 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 大塚悟,小島真志,松尾稔: "動的繰り返し荷重による残留変形に及ぼす幾何学的形状変化の影響" 土質工学会中部支部第7地盤工学シンポジウム論文集. 45-52 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 大塚悟,山田英司,松尾稔: "土構造物の動的安全性の評価の検討と地盤の動的支持力解析への応用" 粘性土の動的性質に関するシンポジウム論文集. 221-226 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 大塚悟,山田英司,松尾稔: "動的荷重に対する土構造物の安定性評価とその検討" 第40回地盤工学シンポジウム論文集. 265-270 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Ohtsuka,M.Matsuo: "Rigid Plastic Dynamic Deformation Analysis of Soil Structures" Proc.of First International Conference on Earthquake Geotechnical Engineering. Vol.2. 1147-1152 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] S.Ohtsuka,M.Matsuo: "Residual Deformation Assessment Against Dynamic Loads" Proc.of Asia-Pacific Conference on Shock and Impact Loads on Structures. 363-368 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 大塚悟,山田英司,寺川邦明,松尾稔: "粘性土地盤上盛土の耐震安定性" 地盤工学会中部支部第8回地盤工学シンポジウム論文集. 97-102 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Ohtsuka,S.他1名: "Rigid Plastic Dynamic Deformation Analysis of Soil Structures." Proc.of International Conference on earthquake geotechnical Engineering,IS-Tokyo. 2. 1147-1152 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 大塚悟他2名: "動的荷重に対する土構造物の安定性評価とその考察" 第40回地盤工学シンポジウム論文集. 1. 265-270 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Ohtsuka,S.他1名: "Residual deformation Assessment Against Dynamic Loading" Proc.of Asia-Pacific Conference on Shock and Impact Loads on Structures. 363-368 (1996)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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