Seismic performance evaluation Ⅰ

[2117] Seismic Evaluation of an 8-Story SRC Building using Performance Curve in the 2011 off the Pacific coast of Tohoku Earthquake

Ligang LI¹, Masaomi TESHIGAWARA¹, Akihiro NAKAMURA¹, Toshihide KASHIMA² (1.名古屋大学 2.建築研究所)

Keywords:Performance curve, Seismic evaluation, SRC building, Wavelet Transform Technology, 性能曲線, 耐震評価, 鉄筋コンクリート, ウェーブレット変換

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Seismic performance curve (S_a-S_(d )curve) shows the relationship between the representative displacement (S_(d )) and the equivalent base-shear force coefficient (S_(a )); deformation and shear force of the building can be observed straightforwardly through a simple S_a-S_(d )curve, which can help us to understand the capacity of the building in strong earthquakes. In this research, S_a-S_(d )curve was used to evaluate the seismic performance of an 8-story SRC building experiencing the 2011 off the Pacific coast of Tohoku Earthquake (happened in 2011.03.11.14:46). The results confirmed the applicability of S_a-S_(d )curve to evaluate the seismic performance of real building.