| 抄録（英）： |
A procedure is proposed to calculate statically stresses producing into pile foundations from seismically induced forces, especially due to ground displacements called as the kinematic interaction problem. One of the contents is to estimate the ground surface displacement considering soil nonlinearity under a required design response spectra. In the 2nd, is presented a method with key parameters of pile-soil rigidity ratio and ground displacement distribution to obtain pile stresses easy against ground displacements imposed. And the proposal for stress combination due to kinematic and inertial forces is based on the complete quadratic combination rule. This procedure is validated by simulation analyses, both of which have satisfactory agreement with each other.
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