| A STRESS VECTOR-BASED CONSTITUTIVE MODEL FOR COHESIONLESS SOIL (Ⅱ)-APPLICATION |
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| 作者单位： | 1. Construction College, Guangdong University of Technology, Guangzhou 510643, P R China; 2.Institute of Geotechnical Engineering, Xi’an University of Technology, Xi’an 710048, P R China |
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| 摘 要： |
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| 收稿时间： | 30 August 2001 |
A stress vector-based constitutive model for cohesionless soil (II)—Application |
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| Authors: | Shi Hong-yan Xie Ding-yi Bai Lin |
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| Institution: | (1) Construction College, Guangdong University of Technology, 510643 Guangzhou, P R China;(2) Institute of Geotechnical Engineering, Xi’an University of Technology, 710048 Xi’an, P R China |
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| Abstract: | The stress vector-based constitutive model for cohesionless soil, proposed by SHI Hong-yan et al., was applied to analyze
the deformation behaviors of materials subjected to various stress paths. The result of analysis shows that the constitutive
model can capture well the main deformation behavior of cohesionless soil, such as stress-strain nonlinearity, hardening property,
dilatancy, stress path dependency, non-coaxiality between the principal stress and the principal strain increment directions,
and the coupling of mean effective and deviatoric stress with deformation. In addition, the model can also take into account
the rotation of principal stress axes and the influence of intermediate principal stress on deformation and strength of soil
simultaneously. The excellent agreement between the predicted and measured behavior indicates the comprehensive applicability
of the model.
Biography: SHI Hong-yan (1962-), Associate Professor, Doctor |
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| Keywords: | cohesionless soil rotation of principal stress axes stress vector constitutive model application |
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