Abstract
The experimental and analytical investigations carried out on large-scale interior precast beam to column joints with composite slab are presented in this paper. Four specimens were tested under reversed cyclic loading that simulated earthquake-type motions. The most relevant feature of the joint is that the beam reinforcement on the bottom was formed and installed with anchor head, rather than bent to form stand 90-degree hooks or closed loops. The performance of the precast concrete connection was compared with that of the monolithic connection, and the failure pattern, hysteretic characteristic, skeleton curve, displacement ductility and energy dissipation, were analyzed. The test results provided some information about the seismic behavior of the large-scale joint. In general, the performance of the joint was satisfactory. No bond problem and obvious pinching effect were observed in the test, and specimen behavior was ductile and joint strength was almost equal to that of monolithic reinforced concrete construction, however, the ductility of the specimens was affected by the ratio of column to beam flexural strength, and the scope of application was recommended.
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