Abstract
The effects of elevated temperatures on concrete containing glass waste are investigated. Addition of 15% waste glass powder by weight of cement is performed to obtain glassy concrete (GC). This study provides several recommendations to enhance construction work and services by using glass waste and explores ways to increase durability for improved construction performance and to meet recycling goals. This experimental work investigates the residual physicomechanical properties of GC and normal concrete (NC) after being subjected to elevated temperatures ranging from 250 to 900 °C. Concrete specimens are subjected to temperatures of 250, 500, 750 and 900 °C with an exposure duration of 1 h. Results show that GC is less sensitive to elevated temperatures compared with NC and exhibits excellent stability at about 900 °C. The GC mixtures have higher flexural strength than compressive strength (50% and 20%, respectively).
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