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http://dx.doi.org/10.12989/csm.2018.7.2.177

Influence of ductility classes on seismic response of reinforced concrete structures  

Nikolic, Zeljana (University of Split, Faculty of Civil Engineering, Architecture and Geodesy)
Zivaljica, Nikolina (University of Split, Faculty of Civil Engineering, Architecture and Geodesy)
Smoljanovic, Hrvoje (University of Split, Faculty of Civil Engineering, Architecture and Geodesy)
Publication Information
Coupled systems mechanics / v.7, no.2, 2018 , pp. 177-195 More about this Journal
Abstract
Reinforced concrete buildings in a seismically active area can be designed as DCM (medium ductility) or DCH (high ductility) class according to the regulations of Eurocode 8. In this paper, two RC buildings, one with a wall structural system and the other with a frame system, previously designed for DCM and DCH ductility, were analysed by using incremental dynamic analysis in order to study differences in the behaviour of structures between these ductility classes, especially the failure mechanism and ultimate collapse acceleration. Despite the fact that a higher behaviour factor of DCH structures influences lower seismic resistance, in comparison to DCM structures, a strict application of the design and detailing rules of Eurocode 8 in analysed examples caused that the seismic resistance of both frames does not significantly differ. The conclusions were derived for two buildings and do not necessarily apply to other RC structures. Further analysis could make a valuable contribution to the analysis of the behaviour of such buildings and decide between two ductility classes in everyday building design.
Keywords
ductility classes; Eurocode 8; incremental dynamic analysis; reinforced concrete buildings;
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Times Cited By KSCI : 4  (Citation Analysis)
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