Abstract:To evaluate Q-Δ resonance, which is a torsional resonance phenomenon caused by geometric non-linearity, we proposed a simplified model for an n-story non-eccentric building model with a shear-type structure. We designed and fabricated a four-story small-scale specimen assuming a noneccentric steel structure with a height of 324 m, and conducted shaking table tests. As a result, the occurrence of Q-Δ resonance was confirmed as predicted by the simplified model. In addition, the simplified model reproduced the r… Show more
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