Utilization of copper fiber waste to increase compressive strength and split tensile strength of rigid pavement

Ndruru, H and Simanjuntak, Risma M. and Tampubolon, Sudarno P (2021) Utilization of copper fiber waste to increase compressive strength and split tensile strength of rigid pavement. In: IOP Conference Series: Earth and Environmental Science. IOP Publishing, pp. 1-5.

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Abstract

The rigid pavement is a pavement construction in which a concrete slab is used as the top layer, which is located above the foundation or directly above the subgrade, without or with an asphalt surface layer. One type of rigid pavement used in Indonesia is rigid pavement without using reinforcement which is usually used in areas with low traffic or residential areas. Pavement without using reinforcement is the small split tensile strength so that the part of the plate will experience cracks due to stresses that cannot be avoided from traffic loads. Therefore, it is necessary to have reinforcement on the concrete slab so that the cracks do not extend. In this research, the use of copper fiber waste from electronic cables as a substitute solution for reinforcement to be used as a mixture in concrete. The experiments were carried out using fiber with variations of 0%, 0.5%, 1%, and 1.5% of the total weight of concrete mixture material and then tested at 28 days of concrete age. This research showed the variation of fiber weight until 1,5% increase the split tensile strength up to 32,46% and the compressive strength up to 9,16%.

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