Concrete with Recycled Aggregate: Evaluation of Mechanical Properties

Sherif Yehia, Sharef Farrag, Anaam Abu-Sharkh, Amani Zaher, Heba Istaitiyeh, Kareem Helal


This paper discusses the suitability of producing concrete with 100% recycled aggregate to meet durability and strength requirements for different applications. Aggregate strength, gradation, absorption, specific gravity, shape, and texture are some of the physical and mechanical characteristics that contribute to the strength and durability of concrete. In general, quality of the recycled aggregate depends on the loading and environmental conditions that the demolished structures were exposed to. Therefore, the experimental program consisted of two tasks. The first task was focused on the evaluation of physical and mechanical properties of the recycled aggregate over 6 months to determine variability in aggregate properties. The second task was directed towards evaluation of concrete portieres produced with fine and coarse recycled aggregate. Several concrete mixes were prepared with combinations of different aggregate grades and the results were compared to that of a control mix. Workability and compressive strength were performed to assess the suitability of these mixes for different applications.


component; Recycled aggregate, concrete properties, physical properties, mechanical properties

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