It can be found that with the extension of the fire time, the horizontal bearing capacity of the SRCFST columns displayed a decreasing trend, and the stiffness of the elastic phase also decreased where the heating period was 60 min, 90 min, and 120 min, respectively.
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Analysis on Seismic Performance of Steel-Reinforced Concrete-Filled Circular Steel Tubular (SRCFST) Members Subjected to Post-Fire.
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