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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: Concrete Columns Reinforced by Glass Fiber Reinforced Polymer Rods
Author(s): S. H. Alsayed, Y. A. Al-Salloum, T. H. Almusallam, and M. A. Amjad
Publication: Special Publication
Appears on pages(s): 103-112
Keywords: axial capacity; axial shortening; columns; longitudinal bar strains; reinforcing bars
Abstract:A total of 15 concrete columns were cast and tested to investigate the influence of replacing longitudinal and/or tie steel bars by an equal volume of amount of glass fiber reinforced polymers (GFRP) bars on the behavior of concrete columns. The columns were subjected to concentric monotonic axial loading. The concrete block for all columns was 450 ¥ 250 ¥ 1200 mm. The results indicated that replacing the longitudinal steel bars by GFRP bars reduced the axial capacity of the column by 13%. The results also showed that regardless of the type of the longitudinal bars, replacing the steel ties by GFRP ties reduced the axial capacity of the column by 10%. However, the study revealed that replacing the steel ties by GFRP had, up to about 80% of the ultimate load, no influence on the load-axial shortening curve. Furthermore, the results indicated that the currently used ACI formula to estimate the axial capacity of the column overestimated the actual capacity of the column reinforced longitudinally and or transversely by GFRP bars.
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