Statistical Analysis of the Effect of Waste Polymer and Carbon Additives on Porosity in Cementitious Composites
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Keywords:
Cement, Concrete Composite, Carbon-Based Materials, Waste Polymer, TaguchiAbstract
Concrete is a building material that has been used extensively throughout human history and has
played a fundamental role in the formation of civilizations. The strength, durability, and longevity of
concrete are affected by many factors, and among these factors, porosity plays a critical role in determining
concrete quality. In recent years, advances in nanotechnology have highlighted the use of nanomaterials,
which impart different properties to building materials, particularly in the construction industry. However,
improper disposal of waste polymers poses a serious problem for the ecosystem. Therefore, the use of waste
polymers as aggregates in cement composites is considered an environmentally friendly approach.
However, considering that the use of polymer alone can lead to a loss of mechanical properties, this study
aimed to achieve synergistic effects by using graphene oxide, reduced graphene oxide, and graphene
nanopellet additives. A total of nine experiments were conducted using the Taguchi method using a
statistical experimental design and an L9(3⁴) orthogonal array. The experimental plan specified the type and
amount of nanomaterial, and the type and amount of polymer as parameters. It was determined that all
parameters had an impact on the porosity of the cement composite, with the polymer type being the most
influential parameter.
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