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http://dx.doi.org/10.11112/jksmi.2013.17.4.001

Nonlinear Dynamic Analysis of RC Frames Based on Constitutive Models of Constituent Materials  

Heo, YeongAe (삼성중공업 조선해양연구소)
Kang, Thomas H.K. (서울대학교 건축학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.17, no.4, 2013 , pp. 1-8 More about this Journal
Abstract
Constitutive modeling of constituent materials is very important for reinforced concrete (RC) frames. Cyclic constitutive behavior of unconfined concrete, confined concrete and reinforcing steel should be well defined in fiber-based discretization of RC sections. This study performs nonlinear dynamic analyses of RC frame structures to investigate the sensitivity of seismic behavior of such frames to different constitutive models of constituent materials. The study specifically attempts to examine confinement effects in concrete modeling and degrading effects in steel modeling, which substantially affects the monotonic, cyclic and seismic responses of RC members and frames. Based on the system level analysis, it is shown that the response of non-ductile frames is less sensitive to confined concrete models while the modeling of reinforcing steel is quite influential to the inelastic response of both non-ductile and ductile frames.
Keywords
Nonlinear dynamic analysis; Constitutive models; Constituent materials; Concrete; Reinforcing steel; Seismic behavior;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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