A DISCUSSION ON ASR EXPANSION CHARACTERISTICS OF MORTAR MADE OF WASTED GLASS CULLET AGGREGATE

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  • YAMADA Kanji
    Dept. of Architecture and Environmental Systems, Akita Prefectural University
  • ISHIYAMA Satoru
    Dept. of Architecture and Environmental Systems, Akita Prefectural University

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  • 廃ガラスカレットを骨材とするモルタルのアルカリシリカ反応による膨張特性に関する考察
  • ハイガラスカレット オ コツザイ ト スル モルタル ノ アルカリシリカ ハンノウ ニ ヨル ボウチョウ トクセイ ニ カンスル コウサツ

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ASR expansion in mortar specimens made of sieved glass cullet and mixed-size cullet originating from waste bottle glass was examined employing mortar bar test method (JIS A 1146). The findings are as follows; 1) Clear and green glass cullet have different pessimum sizes, ASR expansion ratios and flexural strength after ASR. 2) The expansion ratio of mixed size cullet is similar to that of single size cullet that has the same porosity. 3) The pessimum size of clear cullet was smaller than that of green one, which derives from larger porosity that mitigates ASR expansion.

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