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The yield surface of granular matarials determined by the fabric in three-dimensional stresses

Research Project

Project/Area Number 09650548
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geotechnical engineering
Research InstitutionNagoya Institute of Technology

Principal Investigator

MATSUOKA Hajime  Nagoya Institute of Technology, Faculty of Engineering, Professor, 工学部, 教授 (90027277)

Co-Investigator(Kenkyū-buntansha) YAMAMOTO Shuichi  Obayashi Corporation, Institute of Technology, Research Engineer, 技術研究所, 研究員
YOSHIMURA Yuji  Gifu National College of Technology, Dept.of Civil Eng., Assoc.Prof., 助教授 (30182827)
SUN De'an  Nagoya Institute of Technology, Venture Business Lab, Lecturer, ベンチャービジネスラボ, 非常勤講師 (40262951)
Project Period (FY) 1997 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥3,200,000 (Direct Cost: ¥3,200,000)
Fiscal Year 1998: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1997: ¥2,000,000 (Direct Cost: ¥2,000,000)
KeywordsYield surface / Fabric / yield criterion / Constitutive Equation / Stress history / General stress / Elastoplasic model / Granular material / 3次元 / 粒子接点角分布
Research Abstract

1) The yield surface of granular materials determined by the fabric
Almost all yield surface of granular materials have been determined phenomenologically by the experimental results. In this study, however, the yield surface of granular materials is proposed on the basis of the microscopic fabric which is evaluated by the distribution of interparticle contact normal It is expressed in (siguma_y, siguma_x and tau_y) space in the case of two dimensional stress state and in general stress space in the case of three dimensional stress state. The proposed method can easily explain the yield due to the pure rotation of the principal stress axis with the values of the principal stresses unchanged.
2) Generation of elastoplastic model for granular materials
A transformed stress tensor has been proposed by comparing the shapes of the Extended Mises criterion and the SMP criterion in principal stress space. The SMP curve in the pi-plane of siguma_i is a circle and the SMP surface in the transformed principal stress space is a cone. The transformed stress tensor siguma_<ij> is applied to the Cam-clay models and the Sekiguchi-Ohta model to combine the critical state theory with the SMP criterion. The revised models, with the same soil parameters as the Cam-day models and Sekiguchi-Ohta model, are capable of predicting the drained and undrained behavior of clay in general stress conditions. Therefore, it is possible to extend any other elastoplastic models for soils, whose validity has been verified only in triaxial compression condition, to the general stress conditions by using the transformed stress tensor siguma_<ij> instead of the ordinary stress tensor siguma_<ij>. Moreover, the revised model is extended to be a unified elastoplastic model for clay and sand by introducing a new hardening parameter H, which can describe the negative and positive dilatancy characteristics of soils with the initially stress-induced anisotropy including the initial isotropy.

Report

(3 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report
  • Research Products

    (21 results)

All Other

All Publications (21 results)

  • [Publications] Matsuoka H., Yao Y.P.& Sun D.A.: "The Cam-clay model revised by the SMP criterion" Soils and Foundations. Vol.39, No.1. 81-95 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka H., Yao Y.P.& Sun D.A.: "A transformed stress based on SMP criterion and its application to Cam-clay models" 第33回地盤工学研究発表会. Vol.1. 601-602 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 孫徳安,松岡元,姚仰平 他: "SMP 規準による関口・太田モデルの修正" 第33回地盤工学研究発表会. Vol.1. 603-604 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka H., Yao Y.P.& Sun D.A.: "A unified elastoplastic model for clay and sand with the SMP criterion" 土木学会第53回年次学術講演会. III-(A). 30-31 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 松岡元・川瀬樹一: "粒子構造に基づいた粒状体の2次元“一般応力表示"降伏曲面とその検証" 第32回地盤工学研究発表会講演集. Vol.1. 505-506 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 松岡元・川瀬樹一: "粒子構造に基づいた粒状体の3次元“一般応力表示"降伏曲面" 土木学会第52回年次学術講演会講演概要集. III-A. 46-47 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H.et al.: "The yield surface of granular materials determined by he fabric" Powder & Grains 97. 279-282 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H., and Kawase, K., et al: "The yield surface of granular materials determined by the fabric" Proc.Powder & Grains. 97. 279-282 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H.and Kawase, K.: "The yield surface of granular materials expressed by general 3-D stress based on the fabric" Proc.52nd Annual Conference of the Japan Society of Civil Engineers. III-A. 46-47 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H.and Kawase, K.: "The yield surface of granular materials expressed by general 2-D stress based on the fabric and its verification" Proc.of 32nd Japan National Conference on Geotechnical Engineering. Vol.1. 505-506 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H., Yao, Y.P.and Sun, D.A.: "A unified elastoplastic model for clay and sand with the SMP criterion" Proc.52ndf Annual Conference of the Japan Society of Civil Engineers. III-A. 30-31 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Sun, D.A., Matsuoka, H,et al.: "Sekiguchi-Ohta model revised by SMP criterion" Proc.of 33rd Japan National Conference on Geotechnical Engineering. Vol.1. 603-604 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H., Yao, Y.P.and Sun, D.A.: "A transformed stress based on SMP criterion and its application to Cam-clay models" Proc.of 33rd Japan National Conference on Geotechnical Engineering. Vol.1. 601-602 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka, H., Yao, Y.P.and Sun, D.A.: "The Cam-clay model revised by SMP criterion" Soils and Foundations. Vol.39, No.1. 81-95 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Matsuoka H.,Yao Y.P.& Sun D.A.: "The Cam-clay model revised by the SMP criterion" Soils and Foundations. Vol.39,NO.1. 81-95 (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Matsuoka H.,Yao Y.P.& Sun D.A.: "A transformed stress based on SMP criterion and its application to Cam-clay models" 第33回地盤工学研究発表会. Vol.1. 601-602 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 孫徳安,松岡元,姚仰平 他: "SMP規準による関口・太田モデルの修正" 第33回地盤工学研究発表会. Vol.1. 603-604 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Matsuoka H.,Yao Y.P.& Sun D.A.: "A unified elastoplastic model for clay and sand with the SMP criterion" 土木学会第53回年次学術講演会. III-(A). 30-31 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 松岡元・川瀬樹一: "粒子構造に基づいた粒状体の2次元“一般応力表示"降伏曲面とその検証" 第32回地盤工学研究発表会講演集. Vol.1. 505-506 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 松岡元・川瀬樹一: "粒子構造に基づいた粒状体の3次元“一般応力表示"降伏曲面" 土木学会第52回年次学術講演会講演概要集. III-A. 46-47 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Matsuoka,H.etal.: "The yield surface of granular materials determined by the fabric" Powder & Grains97. 279-282 (1997)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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