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Title: Comparison of Different Numerical Models of RC Elements for Predicting the Seismic Performance of Structures

Author(s): Abdelhakim Zendaoui, and A. KadidD. Yahiaoui

Publication: IJCSM

Volume: 10

Issue: 4

Appears on pages(s): 461–478

Keywords: nonlinear numerical model, RC frame elements, seismic analysis, force-based, displacement-based, plastic hinge, fiber element.

DOI: 10.1007/s40069-016-0170-7

Date: 12/30/2016

This paper aims to provide guidelines for the numerical modeling of reinforced concrete (RC) frame elements in order to assess the seismic performance of structures. Several types of numerical models RC frame elements are available in nonlinear structural analysis packages. Since these numerical models are formulated based on different assumption and theories, the models accuracy, computing time, and applicability vary, which poses a great difficulty to practicing engineering and limits their confidence in the analysis resultants. In this study, the applicability of four representative numerical models of RC frame elements is evaluated through comparison with experimental results of four-storey bare frame available from European Laboratory for Structural Assessment. The accuracy of a numerical model is evaluated according to the top displacement, interstorey drift, Maximum storey shear, damage pattern and energy dissipation capacity of the frame structure. The results obtained allow a better understanding of the characteristics and potentialities of all procedures, helping the user to choose the best approach to perform nonlinear analysis.