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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: Physical Incompatibility of Matrix and Aggregate in Concrete
Author(s): G. M. Smith
Publication: Journal Proceedings
Appears on pages(s): 791-798
Keywords: no keywords
Abstract:A theoretical analysis is made of the stresses that might result in a matrix surrounding a spherical body due to the thermal incompatibility of the matrix and the spherical body. The analysis indicates that the magnitude of the stresses depends upon the thermal expansion, Poisson’s ratio, modulus of elas-ticity, and size of the inclusion. Although the analysis is purely qualitative, it does show the complexity of the term thermal incompatibility, so frequently related to the durability of concrete subjected to freezing and thawing. Graphs are constructed to illustrate the effect of the various physical properties on the thermal stresses developed in a matrix. The matrix is considered to consist of cement paste or a mixture of paste, aggregate, and voids.
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