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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: Fracture and Adhesion Properties of a Carbon Fiber-Cementitious Composite With Silica Fume Variability in the Matrix
Author(s): A. Di Tommaso, G. Mantegazza, and A. M. Penna.
Publication: Special Publication
Appears on pages(s): 1209-1228
Keywords: adhesion; carbon; fiber reinforced concretes; workability; fracture properties; matrix; silica fume; strength; Materials Research
Abstract:A carbon fiber cement composite (CFCC) was developed to overlay old concrete. Three aspects of the CFCC mechanics, with varying silica fume (SF) dosages, were investigated through an experimental program: the amount of fracture energy of CFCC, the adhesion between the fiber and matrix, and the adhesion between CFCC and the old concrete. Five different matrixes were considered in which the percentage of SF is 0-5-10-15-20 of the cement content by weight. Some new types of tests for the aspects investigated are discussed. The results of this work establish that the incorporation of SF seems to be beneficial for the toughness of the composite, while not beneficial for the adhesion between composite and old concrete.
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