Research Article
Exact Solution for the Torsional Vibration of an Elastic Pile in a Radially Inhomogeneous Saturated Soil
Figure 5
Influence of the shear modulus ratio GR = Gsm/Gs0 on the complex stiffness at the pile top when the inner soil is weakened (Dsm = Ds0 = 0, tm/r0 = 0.25).
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