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Title: Nonlinear finite element modeling of reinforced concrete structures under impact loads
Authors: Saatçi, Selçuk
Vecchio, Frank J.
Keywords: Finite element method
Impact behavior
Nonlinear finite element analysis
Reinforced concrete
Issue Date: Sep-2009
Publisher: American Concrete Institute
Source: Saatcı, S., and Vecchio, F. J. (2009). Nonlinear finite element modeling of reinforced concrete structures under impact loads. ACI Structural Journal, 106(5), 717-725.
Abstract: The methods available in the literature for the analysis of reinforced concrete (RC) structures subjected to impact loads generally exhibit some deficiencies in aspects relating to applicability, practicality, and accuracy. The shear-dominant behavior of RC members under impact loads creates another significant shortcoming, because modeling the shear behavior of RC has long been a challenging issue. This study aims to present and verify a nonlinear finite element analysis procedure employing the Disturbed Stress Field Model, based on a smeared rotating crack approach, as an advanced method of modeling shear behavior under impact conditions. The proposed methodology has a wide range of applicability, and displays fast solution time while providing extensive and accurate information on structural behavior. The methodology was tested by analyzing a set of RC beams subjected to impact loads. A high level of accuracy was demonstrated in various comparisons between test and analysis results, including peak and residual displacements, crack profiles, and reinforcement strains.
ISSN: 0889-3241
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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