Journal
CEMENT AND CONCRETE RESEARCH
Volume 31, Issue 2, Pages 331-334Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0008-8846(00)00483-X
Keywords
ground granulated blast furnace slag; alkali-activated cement; durability; acid attack
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This paper presents an investigation into durability of alkali-activated slag (AAS) concrete exposed to alkali-aggregate reaction (AAR). In the concrete prism test method (ASTM C 1293), reactive aggregates introduced in the AAS matrix reacted with alkali-silica nel formed around aggregates. The expansion of PLAS concrete prisms was 0.04% after 50 days and 0.1% after 22 months. The expansion in OPC concrete was about 0.03% after 22 months of experiment. It was found that AAS concrete had lower resistance to alkali-aggregate attack than that of OPC concrete of similar grade. (C) 2001 Elsevier Science Ltd. All rights reserved.
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