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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Pushover Analysis of Shear-Critical Frames: Verification and Application
Author(s): Serhan Guner and Frank J. Vecchio
Publication: Structural Journal
Appears on pages(s): 72-81
Keywords: frame; modeling; monotonic; nonlinear analysis; pushover; reinforced concrete; sectional; shear; simulation.
Abstract:An analytical procedure was recently developed for the nonlinear analysis of reinforced concrete frame structures consisting of beams, columns, and shear walls under monotonic and pushover loading. The advantage of the procedure lies in its inherent and accurate consideration of shear effects and significant secondorder mechanisms within a simple modeling process suitable for use in practice. Herein, the application of the procedure to 33 previously tested specimens, two-thirds of which were shear-critical, is presented to verify the algorithms developed. Important considerations in nonlinear modeling are also discussed to provide guidelines for general modeling applications. The procedure is found to simulate the experimental behaviors of the specimens examined with a high level of accuracy. Experimental strengths, stiffnesses, ductilities, and failure modes were all calculated accurately. Computed parameters such as crack widths, reinforcement strains, and member deformations were also represented successfully. The procedure exhibits excellent convergence and numerical stability, requiring little computational time.
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