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http://dx.doi.org/10.4191/KCERS.2007.44.9.510

Consideration of Alkali-Silica Reaction of Mortar Containing Glass Abrasive Sludge  

Lee, Seung-Heun (Department of Material Science and Engineering, Kunsan National University)
Hwang, Hae-Jeong (Department of Material Science and Engineering, Kunsan National University)
Lee, Seung-Tae (Department of Civil Engineering, Kunsan National University)
Kim, Ki-Dong (Department of Material Science and Engineering, Kunsan National University)
Publication Information
Journal of the Korean Ceramic Society / v.44, no.9, 2007 , pp. 510-516 More about this Journal
Abstract
After observing the alkali-silica reaction of the mortar that contains glass abrasive sludge, when evaluating it by a mineral or chemical point of view, it contained reactive silica $(59{\sim}67%)$ and $R_20$ elements $(4.3{\sim}9.8%)$. Also, when evaluated by the mortar bar method, an addition of 5 wt% of CRT glass abrasive sludge is judged harmless. However when adding more, there appear severe contractions, thus carefulness is needed while using. Less than 0.10% of expansion was measured when adding up to 30wt% of flat glass abrasive sludge. However, after 30 days of the measurement, more than 0.1% rate of expansion was measured when adding more than 5 wt%. Therefore, more detailed experiments are needed in case of more than 5 wt%.
Keywords
Alkali silica reaction; Glass abrasive sludge; Mortar bar method;
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