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<p>Agricultural residues are a significant ecological problem in northern Peru, where their accumulation in landfills generates environmental contamination. Among these wastes is dry corn fiber (DCF), a commonly used material in the region. The objective of this research was to evaluate the physical and mechanical properties of concrete by incorporating DCF in additions as concrete reinforcement in percentages of 0.5%, 1.0%, 1.5 and 2.0%. The research was structured in the development of concrete specimens and beams, and physical and mechanical tests were performed to determine the impact of DCF on concrete properties. The physical tests included measuring the workability, temperature, density and air content of the fresh concrete. Mechanical tests evaluated compressive, flexural, tensile strength and modulus of elasticity after the established curing periods. The results showed that the addition of DCF affects the physical properties of concrete, reducing its workability and increasing its temperature, unit weight and air content. Regarding the mechanical properties, it was identified that a DCF content of 1.0% is optimal, since it improved the properties compared to the control concrete. Specifically, an increase of 7.53% in compressive strength, 7.71% in flexural strength, 6.41% in tensile strength and 8.18% in modulus of elasticity was observed. It is concluded that DCF is presented as a promising option for the production of green concrete, offering environmental benefits and improving some mechanical properties of the material, and can be used for non-structural elements such as sardinels, low load slabs, sidewalks, perimeter fences and architectural or decorative applications.</p>

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Evaluation of the mechanical behavior of concrete with the addition of dry corn fiber

  • 期刊论文

  • 发表日期：

    2025年1月4日

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  • Gladis Burga Bustamante,
  • Sócrates Pedro Muñoz Pérez,
  • Juan Martín García Chumacero,
  • Elver Sánchez Diaz,
  • Angel Antonio Ruiz Pico,
  • Ernesto Dante Rodriguez Laffite,
  • Carlos Arturo Damiani Lazo,
  • Carlos Eduardo Ramos Brast

摘要

Agricultural residues are a significant ecological problem in northern Peru, where their accumulation in landfills generates environmental contamination. Among these wastes is dry corn fiber (DCF), a commonly used material in the region. The objective of this research was to evaluate the physical and mechanical properties of concrete by incorporating DCF in additions as concrete reinforcement in percentages of 0.5%, 1.0%, 1.5 and 2.0%. The research was structured in the development of concrete specimens and beams, and physical and mechanical tests were performed to determine the impact of DCF on concrete properties. The physical tests included measuring the workability, temperature, density and air content of the fresh concrete. Mechanical tests evaluated compressive, flexural, tensile strength and modulus of elasticity after the established curing periods. The results showed that the addition of DCF affects the physical properties of concrete, reducing its workability and increasing its temperature, unit weight and air content. Regarding the mechanical properties, it was identified that a DCF content of 1.0% is optimal, since it improved the properties compared to the control concrete. Specifically, an increase of 7.53% in compressive strength, 7.71% in flexural strength, 6.41% in tensile strength and 8.18% in modulus of elasticity was observed. It is concluded that DCF is presented as a promising option for the production of green concrete, offering environmental benefits and improving some mechanical properties of the material, and can be used for non-structural elements such as sardinels, low load slabs, sidewalks, perimeter fences and architectural or decorative applications.