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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: Bond and Tensile Capacity of
Author(s): Gisela Wagner Nichols and W. B. Ledbetter
Publication: Journal Proceedings
Appears on pages(s): 959-962
Keywords: aggregate shape and texture; bond (paste to aggregate); cement pastes; density (mass/volume) ; tensile strength;lightweight aggregates; research.
Abstract:The tensile capacity of selected structural lightweight aggregates were investigated, along with the cement paste-aggregate bond capacity in shear and tension. A device was developed to evaluate an individual aggregate’s tensile capacity bond capacity to cement paste. Using this a and sevice, seven lightweight aggregate d the following results obtaine per were tested and The tensile capacity of the lightweight aggre-gates tested were very low, generally less than the aggregate-cement paste bond strength, regardless of aggregate surface texture. The higher the bulk specific gravity of the lightweight aggregate, the higher the tensile strength of the aggregate. Within the range of cement paste strengths investigated, the paste strength had no influence on the aggregate cement paste bond strength.
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