Abstract
In this paper, the axial compression tests were carried out on the concrete filled steel tube (CFST) column-reinforced concrete (RC) beam joints connected by steel plates and studs after the low-cycle reversed loading test. The failure mode, steel tube strain and ultimate bearing capacity of new types joints were discussed under axial compression load. The comparative study with the specimen of CFST column was conducted. The results showed that new types CFST column-RC beam joints maintain good axial compression performance after the low-cycle reversed test loading at the beam ends. The specimens were designed following the principle of “strong column-weak beam”. The low-cycle reversed loading had little effect on the axial bearing capacity of the CFST column, but the damaged RC beams of the joints had certain influence on the failure mode of the columns under axial compression.
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