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Enhanced consolidation in brittle geomaterials susceptible to damage

✍ Scribed by A. T. Mahyari; A. P. S. Selvadurai

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
148 KB
Volume
3
Category
Article
ISSN
1082-5010

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✦ Synopsis

This paper examines consolidation behaviour of saturated geomaterials with a matrix component which is susceptible to damage. Finite-element-based computational model accounts for the alteration in both the deformability and permeability characteristics of the porous material due to damage evolution. The isotropic damage criteria governing the evolution of elastic stiffness and hydraulic conductivity parameters are characterized by the dependency of the damage variable on the distortional strain invariant. The computational procedure is utilized to evaluate the extent to which the time-dependent axisymmetric indentation behaviour of a rigid circular punch on a poroelastic half-space can be influenced by the damage evolution in the porous skeleton.

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