An Efficient Material.-Silica Fume Concrete - Properties, Applications, and Limi-tations

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Title: An Efficient Material.-Silica Fume Concrete - Properties, Applications, and Limi-tations

Author(s): V. M. Malhotra and G. G. Carette

Publication: Concrete International

Volume: 5

Issue: 5

Appears on pages(s): 40-46

Keywords: compressive strength; concrete durability; concretes; drying shrinkage; freeze-thaw durability; pozzolans; silica.

Date: 5/1/1983

Abstract:
Silica fume, a by-product in the manufacture of ferro-silicon and silicon metal, is a very efficient pozzolanic material. Its physical, chemical, and poz-zolanic properties and possible applications and limitations in concrete are described. Available published data on strength development, drying shrinkage, and durability of silica fume concrete are provided. It is recommended that silica fume not be used indiscriminately in concrete and should be confined to specialized applications to take full advantage of its unique properties.*