Abstract
The effect of particle size on alkali–silica reaction (ASR) was investigated to clarify the difference in long-term ASR expansions in mortars using recycled green and brown glass as fine aggregates. Test results revealed that green particles of 1.18 and 2.36mm showed the highest reactivity while the other sizes resulted in relatively low ASR expansions. Brown glass less than 2.36mm did not result in large ASR expansion. Furthermore, different ASR suppressors were explored to suppress ASR expansion in mortar using 1.18mm green glass particles. These included supplementary cementitious materials, steel fiber reinforcement and lithium compounds.
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