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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 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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