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Abstract:
Composite shear wall with concrete filled steel tube columns is a new kind of composite shear wall, which is applicable to high and super-high buildings. Axial-load ratio is one of key points to shear wall for resisting earthquake. Axial-load ratio of bottom in high building is high. Experiment studies of the seismic behavior of two 1/4 scale models in high axial-load ratio under low frequency circle load have been done. One model is traditional reinforced concrete shear wall, the other is composite shear wall with concrete filled steel tube columns. Based on the experiment, load-carrying capacity, ductility, stiffness and its degradation, hysteretic property, energy dissipation and failure phenomena of each shear wall are contrastively analyzed. The formulas of load-carrying capacity are worked out. The results obtained from the formulas and those from experiment are in good agreement. The results show that the seismic behavior of composite shear wall with concrete filled steel tube columns has been developed evidently compared with traditional reinforced concrete shear wall in high axial-load ratio.
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Source :
Journal of Earthquake Engineering and Engineering Vibration
ISSN: 1000-1301
Year: 2008
Issue: 1
Volume: 28
Page: 85-90
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 6
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