Compressive Strength of Concrete Using Carbide Waste and Medical Masks Waste Immersed in Sea Water and Fresh Water

Abstract

Using cement as an adhesive material poses many problems, such as the relatively high cost. Many innovations have been made to find a substitute for cement or sand in the manufacture of concrete mixtures. This study tries to determine the utilization of making gases balloon waste (carbide waste) in the form of powder as a cement substitute, and medical mask waste cut into small length as a substitute for sand in concrete mixtures. the average compressive strength of the sample aged 7 days for a concrete composition of 0%, 2.5%, 5% under the design compressive strength, for the 7% obtained is 26.12 MPa, and for the sample aged 28 days it is 30.28 MPa immersed in fresh water, while samples immersed in seawater had an average compressive strength value at 7 days and 28 days of 13.91 MPa and 17.31 MPa, respectively. From these results it is concluded that the mixture of carbide waste and medical mask waste 7% produces the greatest compressive strength of concrete.