Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 51, Issue -, Pages 225-234Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2013.10.050
Keywords
Self compacting concrete (SCC); Rice husk ash; Metakaolin; Chloride permeability; Acid attack; Silica ratio
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In this paper, the durability properties of self-compacting concrete (SCC) containing rice husk ash (RHA), metakaolin (MK) and a combination of MK and RHA (1:1 ratio) were evaluated and their relationships discussed. The durability properties of the various mixtures were studied. The results showed that SCC blended with RHA and a combination of RHA and MM showed a considerable improvement in durability than unblended SCC (100% OPC). However, the performance of SCC blended with MK was unsatisfactory in an acid environment. In addition, it was found that resistance to acid attack was directly related to the silica ratio (SR). (C) 2013 Elsevier Ltd. All rights reserved.
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