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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: Durability Properties of Fly Ash Blended Cement Concrete in Inland Environment
Author(s): Yunusa A. Alhassan and Yunus Ballim
Publication: Special Publication
Appears on pages(s): 11.1-11.10
Keywords: Concrete durability; Fly ash; Pozzolans; Pore structure; Reinforced concrete; Supplementary cementitious materials
Abstract:A detailed investigation on the properties of concrete made with fly ash (FA) blended cement were carried out
by characterizing such concrete in terms of physical and chemical composition at early-age. In addition, the
effects of inland exposure condition on the durability performance of the concrete were also monitored via the
carbonation depth. Concrete cubes were made using various concrete mixtures of water-binder ratios (w/b) =
0.40, 0.50, 0.60, 0.75 and binder contents = 300, 350, 400, 450 kg/m3. Concrete cube of 100 mm size were cast
and cured in water for 3, 7, or 28 days, then characterized at early-ages. Companion concrete samples were
exposed indoors or outdoors to undergo carbonation under natural environment. The concrete cube samples
were characterized at 6, 12, 18 and 24 months of exposure in terms of carbonation depths. The results of the
concrete early-age properties and medium-term durability characterisation were analyzed. The results show that,
increased knowledge of concrete materials and concrete early-age properties as well as its exposure conditions
were vital in durability considerations for reinforced concrete structures.
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