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Utilization of Ground Tire Rubber in Preparing Sustainable and Durable Concrete Containing Fly Ash
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Utilization of Ground Tire Rubber in Preparing Sustainable and Durable Concrete Containing Fly Ash
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Dissertation
Utilization of Ground Tire Rubber in Preparing Sustainable and Durable Concrete Containing Fly Ash
2023
Overview
Millions of used automobile tires are produced every year and it is an ever-growing challenge for solid waste management authorities. This study aimed to explore the fresh, mechanical, and durability properties of concrete integrating waste tires in the form of ground tire rubber (GTR) as a replacement for cement. Twelve concrete mixtures were prepared using 4%, 7%, and 10% GTR with a combination of Class F, Class C, and reclaimed fly ash. Experimental results showed that adding GTR to concrete reduced workability and improved air void quality compared to the control mixture. The incorporation of GTR in concrete reduced compressive, tensile, and flexural strength and elastic modulus. Furthermore, increasing GTR content in concrete increased drying shrinkage and sulfate attack expansion. However, the addition of GTR in concrete substantially reduced ASR expansion. Considering the overall performance, 4% GTR can be incorporated into producing concrete without jeopardizing its strength and durability.
Publisher
ProQuest Dissertations & Theses
Subject
ISBN
9798381427851
