2006
DOI: 10.4028/www.scientific.net/kem.302-303.248
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Study on Abilities of Mineral Admixtures and Geopolymer to Restrain ASR

Abstract: This paper deals with the effect of mineral admixtures and Geopolymer on preventing excessive expansion due to alkali-silica reaction (ASR). The test method used was ASTM C 441-97. Expansions of mortar-bars were measured at 14, 56, 90 days. The results prove that mineral admixtures can effectively restrain ASR. When three kinds of mineral admixtures, silica fume, fly ash, and ground granulated blast-furnace slag (GGBS), were used together, they bring about a compound effect which is more effective to restrain … Show more

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Cited by 8 publications
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“…Varying reports of geopolymers resistance to ASR have surfaced within the literature (Davidovits 1994;Provis and vanDeventer 2009). Low mortar expansion has been attributed to the fact that alkalis are tied up in the geopolymer framework, and so are not available to react with the silica (Li et al 2006). Those systems with poor performance have been linked to the presence of Ca within the system, which can lead to the formation of expansive ASR gels (Garcia-Lodeiro et al 2007).…”
Section: A Note On Asrmentioning
confidence: 99%
“…Varying reports of geopolymers resistance to ASR have surfaced within the literature (Davidovits 1994;Provis and vanDeventer 2009). Low mortar expansion has been attributed to the fact that alkalis are tied up in the geopolymer framework, and so are not available to react with the silica (Li et al 2006). Those systems with poor performance have been linked to the presence of Ca within the system, which can lead to the formation of expansive ASR gels (Garcia-Lodeiro et al 2007).…”
Section: A Note On Asrmentioning
confidence: 99%