Experimental Investigation of Sustainable Concrete Containing Recycled Porcelain

Document Type : Research articles

Authors

1 October High Institute for Engineering & Technology, Egypt

2 Department of Civil Engineering, Faculty of Engineering Benha University, Egypt

3 Department of Civil Engineering, Faculty of Engineering at Shoubra Benha University, Egypt

Abstract

Concrete ranks as one of the most important building materials, many researchers in recent years have been interested in developing and strengthening concrete by replacing concrete components with waste materials in order to eliminate these wastes and enhance the concrete's tensile, compressive, and flexural strengths. In order to continue this path, this study aims to do an experimental work to replace the waste of porcelain instead of the coarse aggregate of concrete at the rates of 25%, 50%, 75%, and 100%. For this purpose, 90 samples were poured and cured for the tests of the concrete's tensile, compressive, and flexural strengths. The results show that the mix containing 25% of the porcelain was the closest to the control mix, because the concrete’s compressive strength and tensile strength decreased for the mixture containing 25% of the porcelain compared to the control mix by 2% and 4% at the age of 28, and this decline continued with the gradual increase in the proportion of porcelain in mixtures. However, Concrete's flexural strength increased at the level of 25% replacement of porcelain by 40% compared to the control mixture and was enhanced by 24% and 9% at the levels of 50% and 75% replacement of porcelain, respectively.

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