2025 Volume 81 Issue 13 Article ID: 24-13485
The authors are conducting centrifuge loading tests and replicated analyses to develop a seismic performance verification method for RC circular shafts constructed in dense sand and gravel ground. In the centrifuge loading tests, three waves of excitation were continuously applied, whereas the applicability of the analysis has been studied by using each excitation wave as a single input in the replicated analysis. In this study, we performed a replicated analysis with continuous input as in the experiment and confirmed that the effect of the continuous input was slight and that a single input was sufficient. In addition, the ground and structure responses due to differences in the modeling of saturated ground were examined, and it was confirmed that when the seismic performance of a structure is verified, the ground should be modeled in such a way that the evaluation of the structure is conservative.
