A Comparative Test Study on the Seismic Damage Sustained by Frame-Core Tube Structures

The overall damage sustained by a structure can be controlled in the current damage-based seismic design, but the rationality of the relationship among the damage states of the components in the structure and the influences of those states on the overall seismic performance of the structure are currently ignored. In response to this problem, a comparative test was performed in this paper to study the seismic damage performances of two frame-core tube structure models, namely, an optimization model designed through the optimization of the component damage states to achieve the relationship among those damage states proposed in this paper and a normative model designed through the seismic design method based on Chinese codes. By comparing the experimental data of these two models, the relationship among the component damage states was discussed comprehensively, and the influences of those states on the overall seismic performance of the frame-core tube structure were analyzed. The proposed relationship among the component damage states in the optimization model can effectively limit the development of overall damage and improve the internal force response of the structure.

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