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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: Behavior of Reinforced Concrete Structural Walls: Strength, Deformation Characteristics, and Failure Mechanism
Author(s): Ioannis D. Lefas, Michael D. Kotsovos and Nicholas N. Ambraseys
Publication: Structural Journal
Appears on pages(s): 23-31
Keywords: axial loads; deformation; failure mechanisms; flexural strength; reinforced concrete; shear strength; stresses; structural design; walls; web reinforcement; Structural Research
Abstract:Thirteen large-scale wall models were tested under the combined action of a constant axial and a horizontal load monotonically increasing to failure. The aim of the tests was to investigate the effects of parameters such as height-to-width ratio, axial load, concrete strength, and amount of web horizontal reinforcement on wall behavior. The results obtained have helped to identify the causes of wall failure and have demonstrated that the concepts underlying current ACI Building Code provisions for the design of walls are in conflict with the observed structural behavior. Shear resistance was found to be associated with triaxial compressive stress conditions that develop in the compressive zone of the section at the base of the wall rather than the strength of the tensile zone of this section.
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