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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: What Do We Know About Confinement in Reinforced Concrete Columns? (A critical review of previous work and code provisions)
Author(s): Koji SakaiI and Shamim A. Sheikh
Publication: Structural Journal
Appears on pages(s): 192-207
Keywords: axial loads; building codes; columns (supports); ductility; confined concrete; earthquake-resistant structures; reinforcing steels; moment-curvature relationships; reinforced concrete; reviews; Structural Research
Abstract:Based on an extensive review of literature, a state-of-the-art report on concrete confinement is presented that aims at defining the status of the problem and the future direction of work, including revision of design codes' provisions. Topics discussed include properties of confined concrete, behavior of confined sections and columns including plastic hinge regions, and a critical evaluation of the design codes' provisions. With the reinterpretation of previous data in light of the results from recent tests, apparent contradictions on the effects of several variables have been explained. Several areas in which the design codes' provisions need revisions have been identified. An extensive list of references on related topics is also included.
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