Summary
Recently Buchwald has devised a method of finding the slowness surface and wave surface in an anisotropic medium due to a source of disturbance in it. Soil differs from isotropic elastic solids by the fact that for soilE/G>2(1+σ). Following the method of Buchwald we have worked out the form of the slowness and wave surface for different values ofE/G, and it has been shown that for sandy soil cuspidal edges are formed on the wave surface at an angle near 45° with the direction of thex-axis.
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References
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Ghosh, M.L. On elastic waves in soils. Appl. sci. Res. 11, 17–26 (1963). https://doi.org/10.1007/BF03184706
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DOI: https://doi.org/10.1007/BF03184706