Utilization of waste ceramic powder as a substitute of fine aggregate and addition of zinc fibre to increase the split tensile strength of concrete

Hulu, Jhon Cipta Damai and Hutabarat, Lolom Evalita and Simanjuntak, Risma M. (2023) Utilization of waste ceramic powder as a substitute of fine aggregate and addition of zinc fibre to increase the split tensile strength of concrete. AIP Conference Proceedings, 2689 (1). 040020-1-040020-8.

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Abstract

Almost all buildings and buildings made of concrete have many advantages such as being easy to form, withstanding heavy loads, relatively low cost, and many other advantages concrete. However, there are still many buildings whose columns, walls, and beams still have cracks; the concrete is not strong against tensile forces and because of the overload carried by the concrete. Therefore, this research was conducted to find a solution to this problem. In this study, making concrete by adding additional materials to increase the split tensile strength of the concrete, namely ceramic powder and zinc fibre. Ceramic powder uses percentages of 0%, 20%, 25%, 30% as a substitute for fine aggregate. While the percentage of zinc fibre is 0%, 0.25%, 0.5%, 0.75%, 1%, and 1.5% as a substitute for coarse aggregate. The results of data analysis and sample testing show the value of the tensile strength of mixing ceramic powder and mixing the ceramic powder with zinc fibre. The results of testing concrete with ceramic powder mixing have an average split tensile strength optimum value at the age of 28 days 2.3 MPa, 3.16 MPa, 1.93 MPa. While the optimum value of the test results of the split tensile strength of concrete by mixing 25% ceramic powder and zinc fibre at the age of 28 days was 1.86 MPa, 1.73 MPa, 1.7 MPa, 1.73 MPa, 1.83 MPa, 2 MPa

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