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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: CANMET Investigations of Supplementary Cementing Materials for Reducing Alkali-Aggregate Reactions: Part I--Granulated/Pelletized Blast Furnace Slags
Author(s): J. A. Soles, V. M. Malhutra, and H. Chen
Publication: Special Publication
Appears on pages(s): 1637-1656
Keywords: aggregates; alkali-aggregate reactions; blast furnace slag; cements; concrete durability; expansion; Materials Research
Abstract:The use of supplementary cementing materials for reducing harmful alkali-aggregate reactions (AAR) in concrete is being studied at the Canada Centre for Mineral and Energy Technology (CANMET). One investigation involves the use of three types of reactive aggregate and supplementary cementing materials that include fly ash, slag, silica fume, and natural pozzolans. This report covers the part in which ground granulated blast furnace slags (one from the U.S. and two from Canadian sources) were used to partially replace cement in concrete containing the three reactive aggregates. Test data include characterization of the materials used, their proportions in mixtures, concrete strengths, and 2-year expansion measurements of mortar bars and concrete prisms containing these materials. Test results show the effectiveness of the slags in reducing deleterious AAR and their optimum replacement levels. These slags are all effective in controlling such reactions, particularly with the highly reactive Kingston dolostone.
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