Use of Silica Fume in Concrete


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Title: Use of Silica Fume in Concrete

Author(s): P. Jahren

Publication: Special Publication

Volume: 79


Appears on pages(s): 625-642

Keywords: bleeding (concrete); concrete durability; economics; fresh concretes; hardened concretes; materials handling; mix proportioning; plasticizers; pozzolans; reviews; silica; water-cement ratio; workability.

Date: 5/1/1983

The paper presents a review on the role of silica fume in concrete, based mainly on the experience of the author and that of his colleagues. Statistics on the amount of silica fume pro-duction, its composition , quality and the way it is handled and proportioned for making concrete are described briefly. Various factors such as water/cement ratio, temperature of curing, super-plasticizer, etc., that influence the physical and mechanical properties of freshandhardened concrete are also discussed. Factors that determine the economy in the use of silica fume is emphasized. A brief survey of the literature pertaining to silica fume concrete is also included.