Impedances for Radially Inhomogeneous Viscoelastic Soil Media
作者： Y. C. Han , G. C. W. Sabin
DOI: 10.1061/(ASCE)0733-9399(1995)121:9(939)
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摘要: The dynamic impedances of a radially inhomogeneous viscoelastic soil layer with central hole are formulated based on new boundary zone model nonreflective boundary. A parabolic variation the medium properties is assumed, so that has smoothly approaching those outer to alleviate wave reflections from interface between two media. Vertically, torsionally and excited layers have been examined in this paper. results evaluated over wide range parameters involved compared obtained for homogeneous layer, as well Novak Veletsos's solutions. Since boundary-zone includes mass boundary, (soil stiffness damping) presented paper considered be more suitable practical applications.
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