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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: Influence of the Variation of Cement Source on Hot Weather Concreting
Author(s): G. A. Arenes-Oliva, M. Bergin, and
A. M. Zayed
Publication: Special Publication
Appears on pages(s): 593-608
Keywords: admixtures; anhydrite; cement compound composition; compressive strength; gypsum; hemihydrate; hot mixing; setting time; slump loss
Abstract:The effect of varying cement source fresh and hardened concrete properties is studied under hot weather conditions. For the seven ASTM Type 11 cements studied here, the same mix proportioning was adopted at a mixing temperature of 95 F (35 C) with a constant dosage of water reductiag and air entraining admixtures. Properties of fresh concrete including slump loss over an extended mixing period (EMP) of 90 minutes, air content, and setting times are reported. Also, hardened properties including compressive strength development and rapid chloride permeability test data are reported. Results indicate that the rate of slump loss and setting times are affected by the cement compound composition, calcium sulfate content aad calcium sulfate type. The compressive strength, under hot mixing conditions, is found to be dependent on composition, fineness and morphology of cement compunds.
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