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- W568977350 abstract "The author reviews the reasons for the gradual acceptance of concrete admixtures, the principle types of which are: normal water reducers; accelerators; retarders; air entrainers and, superplasticisers. By the incorporation of water reducers benefits can be achieved resulting in concrete of increased strength and durability, and increased workability. Accelerators are used when placing concrete in winter to allow quicker removal of formwork and demoulding of precast works. Retarders are used to reduce rate of cement hydration to extend setting times for hot weather concreting. The inclusion of air entraining admixtures improves the durability of concrete subjected to freezing and thawing. Superplasticisers enable increases in workability and reduced water/cement ratios to be achieved. It is emphasised that accurate dosage equipment is necessary to achieve uniform dispersal of admixtures. (TRRL)" @default.
- W568977350 created "2016-06-24" @default.
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- W568977350 date "1979-08-01" @default.
- W568977350 modified "2023-09-26" @default.
- W568977350 title "BENEFITS OF ADMIXTURES" @default.
- W568977350 hasPublicationYear "1979" @default.
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