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http://dx.doi.org/10.4334/JKCI.2002.14.3.440

Expansion Properties of Mortar Using Waste Glass and Industrial By-Products  

박승범 (충남대학교 토목공학과)
이봉춘 (충남대학교 토목공학과)
Publication Information
Journal of the Korea Concrete Institute / v.14, no.3, 2002 , pp. 440-448 More about this Journal
Abstract
Waste glass has been increased with the development of industry. The utilization of waste glass for concrete can cause the concrete to be cracked and to be weakened due to an expansion by alkali-silica reaction(ASR). In this study, ASR expansion and properties of strength were analyzed in terms of waste glass color(amber, emerald-green), industrial by-products(ground granulated blast-furnace slag, fly ash), and the content of industrial by-products for reducing ASR expansion caused by the waste glass. The possibility of using glass ground as pozzolanic properties was also analyzed. From the result of this study, the pessimum size of waste glass was 2.5∼1.2 mm regardless of waste glass color. And the smaller than 2.5∼1.2 mm waste glass is, the more decreasing expansion of ASR is. Also, the combination of waste glass with industrial by-products have an effect on reducing the expansion and strength loss caused by ASR between the alkali in the cement paste and the silica in the waste glass, and the glass ground of less than 0.075 mm is applicable as a pozzolanic material.
Keywords
waste glass; glass ground; alkati-silica reaction; ground granulated blast-furnace slag; fly ash; pessimum size;
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  • Reference
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