5 the dynamic impedance functions are expressed by

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Unformatted text preview: rthquake disturbance. (5) The Dynamic Impedance Functions are expressed by complex numbers. The real part of the Dynamic Impedance Function corresponds to the dynamic stiffness, and the imaginary part is related to damping. Dividing the imaginary part by circular frequency , the damping coefficient C is obtained. (6) This damping is attributable mostly to the radiation wave emitting from the foundation into soil. Particularly, this damping is called "Radiation Damping". (7) For the calculation of the Dynamic Impedance Function and the Foundation Input Motion, we assume t...
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