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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 24
ADVANCES IN NON-LINEAR FINITE ELEMENT METHODS
Edited by: B.H.V. Topping and M. Papadrakakis
Paper VI.2

Influence of Fabric Change on Granular Material Response

T.P. Chang, C.L. Liao and B.H. Chen

Department of Construction Engineering, National Taiwan Institute of Technology, Taipei, Taiwan, Republic of China

Full Bibliographic Reference for this paper
T.P. Chang, C.L. Liao, B.H. Chen, "Influence of Fabric Change on Granular Material Response", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Non-Linear Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 169-176, 1994. doi:10.4203/ccp.24.6.2
Abstract
This study presents the results of the global orthotropic behavior of granular materials due to the influence of fabric variation in the two-dimensional case. It shows that the characteristics of isotropic materials in two-dimensional case may be simulated by a granular assembly with fabric diagram represented by a circle. On the other hand, the mechanical behavior of orthotropic materials can be imitated through an elliptical fabric diagram. The larger the ratio between long and short axes of fabric ellipse is, the bigger the difference of stiffness ratio will be. This clearly indicates an apparent distinction of orthotropic response of the material.

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