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Lookup NU author(s): Dr Mohamed Rouainia
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An analytical solution for consolidation around spherical cavity contraction is developed. This solution has the potential to evaluate consolidation around tunnel heads. The initial excess pore water pressure immediately after the creation of the cavity is estimated from the cavity expansion/contraction theory using a linear-elastic-perfectly-plastic soil model. Expressions for the decay of pore water pressure with time are obtained using elasticity. Curves showing the variation of pore water pressure with time are plotted in nondimensional form. Comparison with two-dimensional coupled stress-pore pressure finite element analysis shows that the proposed semi-analytical solution can successfully predict the poro-elasto-plastic behavior around spherical cavity.
Author(s): Osman AS, Rouainia M
Publication type: Article
Publication status: Published
Journal: International Journal of Computational Methods
Print publication date: 06/01/2014
ISSN (print): 0219-8762
ISSN (electronic): 1793-6969
Publisher: World Scientific Publishing Co. Pte. Ltd.
Notes: ARTN 1342010
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