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Alkali-Silica Reaction of Mortar Containing Waste Glass Aggregates
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 Title & Authors
Alkali-Silica Reaction of Mortar Containing Waste Glass Aggregates
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 Abstract
Incorporation of wastes glass aggregate in mortar may cause crack and this may result in the strength reduction due to alkali-silica reaction(ASR) and expansion. The purposes of this study were to investigate the properties of alkali-silica expansion and strength loss through a series of experiments which had a main experimental variables such as waste glass aggregate contents, glass colors, fiber types, and fiber contents. The steel fibers and polypropylene fibers were used for constraining the ASR expansion and mortar cracking. From the result, green waste glass was more suitable than brown one because of low expansion. And in this accelerated ASTM C 1260 test of waste glass, pessimum content can not be found. Also, when used the fibers with waste glass, there is an effect on reduction of expansion and strength loss due to ASR between the alkali in the cement paste and the silica in the waste glass. Specially, adding 1.5 vol.% of steel fiber to 20% of waste glass, the expansion ratio was reduced by 40% and flexural strength was developed by up to 110% comparing with only waste glass(80 HO curing).
 Keywords
waste glass;alkali-silica reaction;steel fiber;polypropylene fiber;pessimum;
 Language
Korean
 Cited by
1.
유리 연마슬러지를 혼입한 콘크리트의 복합열화 저항성에 관한 실험적 연구,이현기;오홍섭;심종성;지광습;

한국방재학회 논문집, 2013. vol.13. 2, pp.67-74 crossref(new window)
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