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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: Freezing and Thawing Resistance of Condensed Silica Fume (Microsilica) Concrete Exposed to Deicing Chemicals
Author(s): Eigil V. Sorensen
Publication: Special Publication
Appears on pages(s): 709-718
Keywords: air entrainment; concretes; deicers; freeze-thaw
durability; scaling; silica.
Abstract:Scale ctioning of concrete due to freezing and thawing action with the use of chemicals has become a severe concrete durability problem. The present paper reports results of freezing and thawing experiments performed to evaluate 4 the effect of microsilica (beneficiated condensed silica fume) addition to concrete in that respect. Tests performed using a fied method show that the drying rewetting standard and a modify history of the concrete prior to freezing and thawing has a sig-nificant influence on conventional concrete, whereas microsilica concrete is relatively unaffected. Air entrainment has a marked beneficial effect on both conventional and microsilica concrete, I although microsilica concrete with relatively low cement contents can be manufactured to be frost resistant without air entrain-ment.
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