A seismic performance study of RC frame-core wall structures based on performance of components

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Journal of Vibration and Shock ›› 2017, Vol. 36 ›› Issue (4) : 157-163.

JI Jing1,2,LUO Yu 1,HAN Xiaolei1,2

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Abstract

As a major structural system,the reinforced concrete frame-core wall structure is widely used in Chinese super high-rise buildings currently. Eighteen representative reinforced concrete frame-core wall structures meeting Chinese current codes were designed in this study. The Perform-3D program was used to make elastic-plastic time-history analyses for these structures under severe earthquakes and the structural safety was estimated with the structural seismic assessment method based on the performance of components. The result shows that for different levels of fortification intensity,the structural safety level corresponded to fortification intensity of 7 degrees is higher than that corresponded to fortification intensities of 7.5 degrees and 8 degrees. In this paper,a contrastive analysis between aforementioned assessment results and the assessment results with the method of story drift was also made to further demonstrate the deficiency of the assessment method based on story drift which may not be able to evaluate structural seismic performance sufficiently or accurately.

Key words

frame-core wall structure / performance of component / story drift

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JI Jing1,2,LUO Yu 1,HAN Xiaolei1,2. A seismic performance study of RC frame-core wall structures based on performance of components[J]. Journal of Vibration and Shock, 2017, 36(4): 157-163

References

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