Investigation of flint glass for partial replacement of fine aggregate in fly ash cement-based mortars

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Conference Proceeding
From Materials to Structures: Advancement Through Innovation - Proceedings of the 22nd Australasian Conference on the Mechanics of Structures and Materials, ACMSM 2012, 2013, pp. 1159 - 1164
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This paper reports on the findings of an investigation into the evaluation of using flint glass (FG) sourced from post-consumer products, available in Australia'swaste stream, as a replacement of fine aggregate in fly ash (FA) cement-based mortars.Workability, compressive strength and strength activity index were assessed in 3 phases of the research study, which includes: (1) partial replacement of sand by FG at 5%, 10% and 15%; (2) partial replacement of Portland Cement (PC) with FA at 10%, 20% and 30% using a fixed amount of FG; and, (3) variation of water/cementitious material ratio (w/cm) from 0.45 to 0.55 using a fixed amount of FA and FG. Results indicate that FG is suitable for partial substitute of fine sand in mortars up to 15% in terms of compressive strength; however, the value of strength attained is highly dependant on the w/cm used. © 2013 Taylor & Francis Group.
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