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Effect of normal stress under an excitation in poroelastic flat slabs


BS Rani
T Ramesh
PM Reddy

Abstract

Biot’s poroelastic theory is employed to investigate stresses under an excitation in an infinite poroelastic slab of arbitrary
thickness. Both for pervious and impervious surfaces, the radial normal stress is obtained, and in the neighbourhood of the
centre, the same is computed as function of thickness of the slab. Numerical data is presented graphically and then discussed. It
is seen that nature of surface, mass coupling parameter and elastic constants (Lame constants) have greater influence over radial normal stress.

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eISSN: 2141-2839
print ISSN: 2141-2820