Abstract
In this study, the Highway N Substation in Missouri was studied with finite element method for its vulnerability under seismic loading. The component of the substation system was modeled with due considerations of mass, stiffness and geometries. Full-scale shake table experiments were carried out on three electric switches to partially validate the finite element model (FEM). After a systematical modal analysis based on the FEM, response spectrum analyses were performed to characterize the dynamic behavior of ‘rigid’ buses and switches of the structure. In time-history analysis, two methods were employed to generate the seismic motions: 1) site-specific synthetic ground motion and 2) spectrum compatible ground motion. The results from both ground motions were analyzed and the magnitude and location of the maximum moments in each case were identified. The effect of slip joints on switches was examined and the maximum relative displacement under the seismic loads was identified.
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Yan, D., Li, J. & Chen, G. Seismic performance evaluation of the Highway N high-voltage Substation. Int J Steel Struct 15, 153–163 (2015). https://doi.org/10.1007/s13296-015-3011-7
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DOI: https://doi.org/10.1007/s13296-015-3011-7