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Assessment of seismic response reduction factor for moment resisting RC frames
Nishanth M, , , Packiaraj J.S.
Published in IOP Publishing
Volume: 263
Issue: 3
The response reduction factor or response modification factor (R) plays an important role in the non-linear response of the moment resisting reinforced concrete (RC) frames. Implementing this factor in the design, accounts for the non-linear response of a structure. The study emphasizes on evaluating the actual values of the response reduction factor for moment resisting RC frames. The estimation of this factor is carried out by performing a detailed non-linear static pushover analysis of 2D framed structures of both ductile and ordinary moment resisting frames.Different parameters considered for the study includes variation of height of the structure, the zone factor and considering the effect of geometric non-linearity of the structure in the analysis. The results indicate that the values of R as given by the codes are of higher degree. From the analysis, arelationship between R-T-Z has been studied. It is found that the values of over-strength, ductility and response reduction factors are highly affected by seismic zones and time period of the structure. © Published under licence by IOP Publishing Ltd.
About the journal
JournalData powered by TypesetIOP Conference Series: Materials Science and Engineering
PublisherData powered by TypesetIOP Publishing
Open AccessYes