Predicting the strength of seashell concrete using Adaptive Neuro-Fuzzy Inference System: An experimental study
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Universidad Santo Tomás. Seccional Bucaramanga
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La concha marina es una capa exterior dura y protectora creada por un animal que vive en el mar. A menudo se encuentran conchas marinas vacías y lavadas por las olas sobre las playas. Este producto marino puede ser utilizado como reemplazo parcial del agregado grueso en el concreto o del cemento en el concreto. Este artículo describe el uso de polvo de conchas marinas y agregados en el concreto para reemplazar el cemento y los agregados gruesos. El efecto de los residuos de conchas marinas en el concreto fue estudiado en términos de su resistencia a la compresión, resistencia a la tracción y resistencia a la flexión después de 28. 56 y 90 días de curado. El reemplazo de cemento por polvo de conchas marinas fue de 10%, 20% y 30% y el reemplazo de agregado grueso por agregado de concha marina fue 5%, 10% y 15%. Las propiedades del concreto de concha marina fueron comparadas con una muestra de mezcla control de grado M25 de concreto. También se ha intentado predecir la resistencia del concreto de concha marina utilizando un Sistema de Inferencia Adaptativo Neuro-Fuzzy (ANFIS). La predicción de la fuerza con este sistema estuvo de acuerdo con la fuerza experimental con un error mínimo de menos del 5%. Este estudio concluye que el reemplazo parcial de cemento y de agregado grueso por residuos de concha marina aumenta significativamente las propiedades mecánicas del concreto y permite la utilización adecuada de estos desechos de conchas marinas como material sostenible para el concreto.
Seashell is a hard, protective outer layer created by an animal that lives in the sea. Empty seashells are often found washed up on beaches by beachcombers. This marine by-product can be used to partial replacement of coarse aggregate or cement in concrete. This paper describes the use of seashell powder and aggregate in the concrete for the replacement of cement and coarse aggregate. The effect of seashell waste in the concrete was studied in terms of its compressive strength, tensile strength and flexural strength after 28, 56 and 90 days of curing. The replacement of cement by seashell powder were 10%, 20% and 30% and replacement of coarse aggregate by seashell aggregate are 5%, 10% and 15%. The properties of seashell concrete were compared with control mix specimen of M25 grade of concrete. Also, it has been tried to predict the strength of the seashell concrete utilizing adaptive neuro-fuzzy inference system (ANFIS). The prediction of strength with the tool was agreeable with the experimental strength with the minimal error of less than 5%. This study concludes, that partial replacement of cement and coarse aggregate by seashell waste enhances the mechanical properties of the concrete significantly and enable proper utilization of these seashell waste as sustainable material for the concrete.
Seashell is a hard, protective outer layer created by an animal that lives in the sea. Empty seashells are often found washed up on beaches by beachcombers. This marine by-product can be used to partial replacement of coarse aggregate or cement in concrete. This paper describes the use of seashell powder and aggregate in the concrete for the replacement of cement and coarse aggregate. The effect of seashell waste in the concrete was studied in terms of its compressive strength, tensile strength and flexural strength after 28, 56 and 90 days of curing. The replacement of cement by seashell powder were 10%, 20% and 30% and replacement of coarse aggregate by seashell aggregate are 5%, 10% and 15%. The properties of seashell concrete were compared with control mix specimen of M25 grade of concrete. Also, it has been tried to predict the strength of the seashell concrete utilizing adaptive neuro-fuzzy inference system (ANFIS). The prediction of strength with the tool was agreeable with the experimental strength with the minimal error of less than 5%. This study concludes, that partial replacement of cement and coarse aggregate by seashell waste enhances the mechanical properties of the concrete significantly and enable proper utilization of these seashell waste as sustainable material for the concrete.
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Seashell concrete, Seashell powder, Seashell aggregate, Curing time, ANFIS, Sustainable concrete, Concreto de concha marina, Polvo de concha marina, Agregado de concha marina, Tiempo de curado, ANFIS, Concreto sostenible
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