04-18-2014, 05:39 PM
Influence of Structural Parame ters to the Seismic Collapse Resistance of RC Frames in 7-degree Seismic Fortification Zone
Author: Dai-yuan Tang. Xin-zheng Lu, Lie-ping Ye, Wei Shi | Size: 432 KB | Format: PDF | Quality: Unspecified | Publisher: Proc. 4th Int. Conf. on Protection of Structures Against Hazards, Oct. 2009, Beijing, China: pp. 331-338. | Year: 2009 | pages: 8
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Currently in China structural seismic design mostly focuses on design and
verification of member strength under minor earthquake. However, during actual
earthquakes, structural systems play a more important role in seismic collapse
resistance. Therefore, in order to find the influence of structural parameters to the
seismic collapse resistance, this paper designs 24 reinforced concrete (RC) frames
in 7-degree seismic fortification zone according to the Chinese Seismic Design Code,
which have different spans, storey heights and storey numbers. Incremental dynamic analysis (IDA), recommended by ATC-63 Report, is implemented for the frames based on fiber-beam element model to evaluate their seismic collapse resistances.
The result shows that structural parameters have a great influence to seismic collapse resistance. The seismic collapse resistance of frames designed according
to the Chinese Seismic Design Code with different span has obvious difference. The
result could be referred for the further study of seismic collapse resistance.
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