期刊
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH
卷 66, 期 11, 页码 1374-1386出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jcsr.2010.05.003
关键词
Concrete filled steel tube (CFST); Steel beam; Reinforced concrete (RC) slab; Joint; Seismic behaviour
资金
- National Natural Science Foundation of China [50425823]
- Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20070003087]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT00736]
The objective of this research is to investigate the seismic behaviour of the composite joint consisting of circular concrete filled steel tubular (CFST) column and steel beam with reinforced concrete (RC) slab. Six specimens, including four interior and two exterior joints, were tested under constant axially compressive load on the top of the columns and cyclic loads at the ends of the beams. The main experimental parameters were the type of the joint, the axial load level on the CFST column and the section configuration of the beam. Several indexes that could reflect the seismic behaviour of the composite joint, such as the ductility, the strength degradation, and the energy dissipation capacity were analyzed. It was found that the composite joints exhibited favorable seismic performance. (C) 2010 Elsevier Ltd. All rights reserved.
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