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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: Comparative Study of Natural Zeolites and Other Inorganic Admixtures in Terms of Characterization and Properties of Mortars
Author(s): Y. Kasai, K. Tobinai, E. Asakura, and N. Feng
Publication: Special Publication
Appears on pages(s): 615-634
Keywords: admixtures; bending; blast furnace slag; compressive strength; concretes; drying shrinkage; fly ash; mortars (material); quick lime; silica fume; water; zeolite; Materials Research
Abstract:A considerable amount of natural zeolite has been used as an admixture for portland cement in the People's Republic of China. Paper first deals with a comprehensive characterization of inorganic admixtures such as natural zeolites with different mineralogical compositions, a fly ash, a fine blast furnace slag, and a silica fume. Binders, such as ordinary portland cement and a quick lime for the substitution of portland cement, were also subjected to the characterization. Next, bending and compressive strength and drying shrinkage of the test mortars were measured under the constant flow value. Standard test mortars were prepared by making use of the ordinary portland cement and quick lime-substituted portland cement, and blended cement mortars were also tested with the inorganic admixtures previously mentioned. As a result, natural zeolite was proven to be of sufficient applicability as an admixture for cement.
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