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- Title
Experimental research on the seismic behavior of CSPSWs connected to frame beams.
- Authors
Lanhui Guo; Xinbo Ma; Ran Li; Sumei Zhang
- Abstract
The seismic performance of composite steel plate shear walls (CSPSWs) that consist of a steel plate shear wall (SPSW) with reinforced concrete (RC) panels attached to one or both sides by means of bolts or connectors is experimentally studied. The shear wall is connected to the frame beams but not to the columns. This arrangement restrains the possible out-of-plane buckling of the thin-walled steel plate, thus significantly increasing the bearing capacity and ductility of the overall wall, and prevents the premature overall or local buckling failure of the frame columns. From a practical viewpoint, these solutions can provide open space in a floor as this type of composite shear walls with a relatively small aspect ratio can be placed parallel along a bay. In this study, four CSPSWs and one SPSW were tested and the results showed that both CSPSWs and SPSW possessed good ductility. For SPSW alone, the buckling appeared and resulted in a decrease of bearing capacity and energy dissipation capacity. In addition, welding stiffeners at corners were shown to be an effective way to increase the energy dissipation capacity of CSPSWs.
- Subjects
SHEAR walls; CONCRETE panels; STRUCTURAL failures; ARCHITECTURAL details; DUCTILITY; EARTHQUAKE hazard analysis; EFFECT of earthquakes on buildings; ENERGY dissipation; EARTHQUAKES
- Publication
Earthquake Engineering & Engineering Vibration, 2011, Vol 10, Issue 1, p65
- ISSN
1671-3664
- Publication type
Article
- DOI
10.1007/s11803-011-0047-3