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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: Durability of Concrete Containing Cement Kiln Dust
Author(s): V. Ramakrishnan and P. Balaguru
Publication: Special Publication
Appears on pages(s): 305-322
Keywords: absorption; air entrainment; cement dust; concrete durability; dust collectors; flexural strength; freeze-thaw durability
Abstract:This paper presents the results of an experimental investigation on the freezing and thawing durability of concretes in which 5 percent of the cement was replaced with cement kiln dust. Three types of cements namely: Type I, II, and 111 were investigated. Six sets of concretes with cement contents of 560 lb/yd3(332 kg/m3) and 650 lb/yd3(386 kg/m3) were tested. The water-cement ratio was 0.52 for the lower cement content and 0.45 for the higher cement content. The air contents of the concretes ranged from 3.1 to 8.4 percent. The freezing and thawing tests were conducted according to ASTM C 666-77 Procedure A, using 4x4~14 in. (102xlO2x356mm) prisms. Weight loss, fundamental resonant transverse frequency, and pulse velocity were measured at approximate intervals of 30 cycles. The freeze-thaw testing was stopped at 300 cycles and the prisms were tested in flexure. The broken specimens were then used to obtain the absorption coefficient. The durability behavior of the various concretes are evaluated by using the relatlive dynamic modulus, durability factor and absorption coefficient. Plastic and hardened concrete properties are also reported. The analysis of the results indicates that a 5 percent replacement of cement with cement kiln dust does not appreciably effect the freeze-thaw durability of concrete. Both the control specimens, as well as specimens containing cement kiln dust exhibited excellent durability.
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