Applied Environmental Research

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This research investigated the feasibility of using cellular glass insulation waste as fine aggregate in concrete paving block production. The effect of mixing proportions of cellular glass insulation waste at 0-40% by volume was studied. Results show that the amount of cellular glass waste can be used as a substitute for fine aggregate or sand up to 20%. Concrete specimens tested for compressive strength were found to be within an acceptable range of the interlocking concrete blockpavingstandard set byThailand Industrial Standards Institute. The compressive strength at 28 d was 41.50 MPa, with density ranging from 2.18 to 2.20 g cm-3. Thus, recycling of cellular glass wastes forconcrete paving block production can reduce expenditures in purchasing natural aggregates and can minimize environmental impact attributed to solid waste disposal.

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