Use Of Mineral Admixtures for Specialized Concretes

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Title: Use Of Mineral Admixtures for Specialized Concretes

Author(s): V. M. Mahotra

Publication: Concrete International

Volume: 6

Issue: 4

Appears on pages(s): 19-24

Keywords: admixtures; age-strength relation; alkali-aggregate reactions; blast furnace slags; corrosion resistance; fly ash; high-strength concretes; mineral ad-mixtures; silica; sulfate resistance.

Date: 4/1/1984

Abstract:
The use of mineral admixtures in the manufacture of specialized concretes is discussed. These mineral admixtures or supplementary cementing materials in-clude condensed silica fume, granulated or pelletized blast furnace slags, and low and high calcium fly ashes. While these materials have an important role in the manufacture of concrete for specialized applications, there are some problems, and due allowance should be made for these during manufacture and quality control procedures.