Abstract
SummaryIn order to investigate the seismic performance of steel‐reinforced recycled concrete (SRRC) frame with infill wall, low cyclic loading tests on four frames with infill wall and one frame without infill wall were conducted. The failure modes, hysteresis loops, skeleton curves, bearing capacity, ductility, stiffness degradation, and energy dissipation capacity of specimens were analyzed. The seismic performance of SRRC frames with and without infill wall was compared. The influence of the aspect ratio of infill wall, the axial compression ratio of column, and the distance of horizontal reinforcements of infill wall were investigated. Test results show that compared to the SRRC frame without infill wall, the SRRC frame with infill wall had higher bearing capacity and initial stiffness, but faster stiffness degradation and worse energy dissipation capacity. With the increase of aspect ratio of infill wall and axial compression ratio of column, the bearing capacity and initial stiffness of SRRC frame with infill wall increased, whereas the ductility decreased. With the decrease of distance of horizontal reinforcements of infill wall, the initial stiffness and energy dissipation capacity of SRRC frame with infill wall increased. After the infill wall fails under earthquake, the remaining SRRC frame has good seismic performance.
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