Production and Application of Synthetic Lightweight Aggregates Using Municipal Solid Waste Incinerator Fly Ash, Reservoir Sediment and Waste Glass Powder
Artificial lightweight aggregates (LWA) were produced by a combination of municipal solid waste incinerator (MSWI) fly ashes, reservoir sediment and waste glass powder. Afterward, the selected LWAs were used as coarse aggregate in high performance concretes. The addition of MSWI fly
ash as well as waste glass powder improved the sintering temperature, while effectively decreased the specific gravity and water absorption of LWAs. Mixtures containing 0–10% of glass powder and a constant MSWI fly ash of 30% that were sintered at 1140 °C produced high quality LWAs.
The specific gravity reached to 1.74 g/cm3. The high performance concretes produced from manufactured LWAs satisfied the strength requirement for structural LWC and may be considered as durable concretes.
Document Type: Research Article
Publication date: 01 January 2013
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