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A platform for research: civil engineering, architecture and urbanism
Seismic performance of steel-reinforced recycled concrete columns under low cyclic loads
Highlights The seismic performance of composite columns was investigated under low cyclic loads. The composite columns behave similarly in the aspects of the failure mode. The influence of parameters on the seismic performance of columns is analyzed. It is feasible to apply the composite columns in the practice of civil engineering.
Abstract This paper describes an experimental study of the seismic performance of steel-reinforced recycled concrete (SRRC) columns. Based on low cyclic loading tests of seven 1:2.5-scaled column specimens, the failure modes, hysteresis loops, skeleton curves, ductility, energy dissipation capacity, and stiffness degradation of SRRC columns were analyzed. The influence of recycled coarse aggregate (RCA) replacement percentages, axial compression ratios, and stirrup ratios on the seismic performance of SRRC columns was investigated in detail. The test results show that the seismic performance of SRRC columns decreases slightly as the RCA replacement percentage increases. The results also indicate that appropriate design of the axial compression ratio and stirrup ratio can improve the seismic performance of SRRC columns. The average values of the ductility factor and the equivalent viscous damping coefficient with respect to the loop of ultimate load of the columns were 3.47 and 0.217, respectively, which reflect the SRRC columns’ good performance in terms of earthquake resistance.
Seismic performance of steel-reinforced recycled concrete columns under low cyclic loads
Highlights The seismic performance of composite columns was investigated under low cyclic loads. The composite columns behave similarly in the aspects of the failure mode. The influence of parameters on the seismic performance of columns is analyzed. It is feasible to apply the composite columns in the practice of civil engineering.
Abstract This paper describes an experimental study of the seismic performance of steel-reinforced recycled concrete (SRRC) columns. Based on low cyclic loading tests of seven 1:2.5-scaled column specimens, the failure modes, hysteresis loops, skeleton curves, ductility, energy dissipation capacity, and stiffness degradation of SRRC columns were analyzed. The influence of recycled coarse aggregate (RCA) replacement percentages, axial compression ratios, and stirrup ratios on the seismic performance of SRRC columns was investigated in detail. The test results show that the seismic performance of SRRC columns decreases slightly as the RCA replacement percentage increases. The results also indicate that appropriate design of the axial compression ratio and stirrup ratio can improve the seismic performance of SRRC columns. The average values of the ductility factor and the equivalent viscous damping coefficient with respect to the loop of ultimate load of the columns were 3.47 and 0.217, respectively, which reflect the SRRC columns’ good performance in terms of earthquake resistance.
Seismic performance of steel-reinforced recycled concrete columns under low cyclic loads
Ma, Hui (author) / Xue, Jianyang (author) / Zhang, Xicheng (author) / Luo, Daming (author)
Construction and Building Materials ; 48 ; 229-237
2013-06-10
9 pages
Article (Journal)
Electronic Resource
English
Seismic performance of steel-reinforced recycled concrete columns under low cyclic loads
| British Library Online Contents | 2013
Seismic performance of steel-reinforced recycled concrete columns under low cyclic loads
| Online Contents | 2013
| SAGE Publications | 2018