Performance evaluation of special and intermediate moment‐resisting reinforced concrete frames using pushover and incremental dynamic analysis. Issue 7 (22nd June 2011)

• Record Type: Journal Article
• Authors: Allahyari, H.; Keramati, A.; Taheri Behbahani, A. A.
• Is Part Of: Structural design of tall and special buildings. Volume 22:Issue 7(2013)
• Page Start: 584
• Page End: 592
• Publication Date: 2011-06-22
• Subjects: Tall buildings -- Design and construction -- Periodicals; Structural design -- Periodicals; 690.1
• DOI: 10.1002/tal.709
• Languages: English
• ISSNs: 1541-7794

Abstract

<abstract abstract-type="main"> <title>SUMMARY</title> <p>In this study, the seismic performance of special and intermediate moment‐resisting reinforced concrete frames are evaluated through nonlinear static and dynamic analysis. According to experimental studies, one of the most important parameters affecting the behavior of special and intermediate ductile reinforced concrete frames is the transverse reinforcement ratio. In this paper, constitutive law of material for concrete under the influence of various transverse reinforcement ratios have been derived using Mander <italic>et al.</italic> model, and 20 ground‐motion accelerograms have been utilized for dynamic analysis. Additionally, the results of pushover and incremental dynamic analysis were compared in order to evaluate seismic performance of the selected high‐rise structures. Results reveal that both types of reinforced concrete frames with beam‐hinge type failure mechanisms have ductile behavior. Special moment frames have higher ductility because of early entry into nonlinear range resulting in higher plastic rotations, which result in greater lateral displacements. Due to the differences in behavior of intermediate and special ductility frames, confinement has an important role in the ductile behavior of structures. Copyright © 2011 John Wiley &amp; Sons, Ltd.</p> </abstract>