Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
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Development of Alkali-silica-reaction Suppressing Material with Li-containing Zeolite
Motoki UEHARAKiyoshi MIZUNOTakatsune SATO
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2012 Volume 53 Issue 3 Pages 160-166

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Abstract

The alkali-silica-reaction (ASR) suppression effect of Li-containing zeolite prepared from metakaolin was found to be greater than that of commercial Ca-A type zeolite. Material containing more Li-ABW type zeolite suppressed ASR more effectively when used as an admixture. In contrast, material containing more Li-EDI type zeolite was more effective in suppressing ASR when employed as grout for cracks. Trial samples were made of a new crack grout with Li-EDI type zeolite, which is more effective in suppressing ASR than a commercial crack grout with Ca-A type zeolite. No problems were detected with the physical characteristics of this material when used as grout.

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© 2012 by Railway Technical Research Institute
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