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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: Effect of composition and aging on the frost resistance of high-strength concrete
Author(s): H. Kukko and S. Matala
Publication: Special Publication
Appears on pages(s): 229-248
Keywords: carbonation; curing; freeze-thaw durability; permeability; high strength concrete; porosity; Materials Research
Abstract:The use of high-strength concrete with compressive strengths between 60 and 100 MPa has been studied in Finland since the early 1980s. This study stated that the frost resistance and salt-frost resistance of non-air-entrained, high-strength concrete is generally high. The best results were achieved with rapid hardening portland cement with or without silica fume. Blended slag cement and slow-hardening portland cement did not show as good resistance, and especially after ageing their resistance was decreased. The microstructure of high-strength concrete is dense. According to the porosity and optical studies, the frost damage causes first the increase of size of pores with initial diameter more than 50 to 100 nm and secondly increase in size of pores with initial diameter more than 50 to 100 nm, and secondly an increase of pore volume but not average size in capillary range.
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