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中文核心期刊
Zhiwu Zhu, Jianguo Ning, Shuncheng Song. Experimental research and numerical analysis of frozen soil based on endochronic theory[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(4): 549-554. doi: 10.6052/0459-1879-2009-4-2008-017
Citation: Zhiwu Zhu, Jianguo Ning, Shuncheng Song. Experimental research and numerical analysis of frozen soil based on endochronic theory[J]. Chinese Journal of Theoretical and Applied Mechanics, 2009, 41(4): 549-554. doi: 10.6052/0459-1879-2009-4-2008-017

Experimental research and numerical analysis of frozen soil based on endochronic theory

doi: 10.6052/0459-1879-2009-4-2008-017
  • Received Date: 2008-01-10
  • Rev Recd Date: 2008-03-12
  • Publish Date: 2009-07-18
  • Based on the endochronic theory, the basic principle ofthe irreversible thermodynamics of continuum media was used to derive a newendochronic rheological constitutive equation of frozen soil by redefiningthe intrinsic times. The corresponding parameters in the endochronicequations can be determined by the method of the Matlab fitting. Thesolution, analysis and experimental validation of the new equations underuniaxial and triaxial stress were performed. The stress-strain curves oftheoretical calculation are very consistent with the experimental results.Therefore endochronic theory, compared with plastic theory, can be used toavoid the determination of yield surface. Finally, by utilizing theconstitutive relation, we discuss and analyze the numerical solutions offrozen roadbed. The results indicate that the endochronic theory has itsextensive applicability.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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