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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: Actual Poisson Ratio of Concrete
Author(s): Sami A. Klink
Publication: Journal Proceedings
Appears on pages(s): 813-817
Keywords: compressive strength; concretes; deformation; density (mass/volume);
lightweight concretes; Poisson ratio; strains; structural analysis; tests.
Abstract:Tests were carried out on specimens of several types of normal weight and lightweight concretes to determine for each type the Poisson ratio at the centers of the corresponding specimens. Internal strains were measured by means of embeddable strain gage units especially constructed for this investigation. The test results showed that this Poisson ratio, referred to as "actual" in this paper, is about 55 percent higher than that obtained by the recognized standard test method. The results also showed the existence of a definite relation between the actual Poisson ratio, density, and compressive strength of concrete. An empirical formula was derived for the actual Poisson ratio of concrete, which should prove useful for structural designers in estimating the deformations, displacements, and stresses in prestressed and ordinary reinforced concrete plates, shells, and other types of concrete structures.
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