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      Factorial design of reactive concrete powder containing electric arc slag furnace and recycled glass powder Translated title: Diseño factorial de concretos de polvos reactivos conteniendo escoria de arco eléctrico y polvo de vidrio reciclado

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          Abstract

          Abstract The main objective of this research is to develop an optimized mixture of reactive powder concrete (RPC) containing supplementary cementitious materials (SCM), such as Electric Arc Slag Furnace (EASF), and Recycled Glass Powder (RGP) among others, through a factorial design. Accurate polynomial regressions were adjusted between considered factors and obtained responses such spread flow and compressive strength at different ages of the concrete. A multi-objective algorithm was executed to reach an eco-friendly mixture with the proper flow, the highest compressive strength, while simultaneously having the minimum content of cement. The experimental verification of this mathematical optimization demonstrated that the use of 621 kg/m3 of ASTM Type HE cement, with a maximum content of 100 kg/m3 of silica fume, should be considered the most appropriate amount to be employed in the RCP mixture to achieve a value of compressive strength over 150 MPa and a self-compacting mixture.

          Translated abstract

          Resumen El objetivo principal de esta investigación es desarrollar una mezcla optimizada de concreto de polvos reactivos (RPC) que contenga materiales cementícios suplementarios (SCM), como la escoria siderúrgica de arco eléctrico (EASF) y el polvo de vidrio reciclado (RGP) entre otros, utilizando el diseño factorial. Se calcularon diferentes regresiones polinómicas para predecir con precisión las variables respuesta (flujo estático y resistencia a compresión a distintas edades) en función de los factores considerados. A través de un algoritmo multiobjetivo, se determinó la mezcla que alcance la resistencia y flujo estático adecuados con un contenido mínimo de cemento. La verificación experimental de esta optimización matemática mostró que con 621 kg/m3 de cemento ASTM Tipo HE, y un contenido máximo de 100 kg/m3 de humo de sílice, se puede alcanzar una resistencia a compresión superior a los 150 MPa en un concreto, además, autocompactante.

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          Composition of reactive powder concretes

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            Mix design and properties assessment of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC)

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              Ultra-High Performance Concrete: Mechanical Performance, Durability, Sustainability and Implementation Challenges

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                Author and article information

                Journal
                dyna
                DYNA
                Dyna rev.fac.nac.minas
                Universidad Nacional de Colombia (Medellín, Antioquia, Colombia )
                0012-7353
                2346-2183
                June 2020
                : 87
                : 213
                : 42-51
                Affiliations
                [2] Medellín orgnameI&D, Cementos Argos SA Colombia anunezn@ 123456argos.com.co
                [3] Bogotá Bogotá orgnameEscuela Colombiana de Ingeniería Julio Garavito orgdiv1Facultad de Ingeniería Civil Colombia nancy.torres@ 123456escuelaing.edu.co
                [4] Madrid Madrid orgnameUniversidad Politécnica de Madrid orgdiv1Departamento Ingeniería civil y Construcción Spain jaime.fernandez.gomez@ 123456upm.es
                [1] Madrid Madrid orgnameUniversidad Politécnica de Madrid orgdiv1Facultad de Ingeniería Civil Spain j.abellang@ 123456alumnos.upm.es
                Article
                S0012-73532020000200042 S0012-7353(20)08721300042
                10.15446/dyna.v87n213.82655
                1616bcce-b761-4cc5-8754-c5d0800a4dc3

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 09 March 2020
                : 03 October 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 35, Pages: 10
                Product

                SciELO Colombia

                Categories
                Articles

                EASF,sostenibilidad,RPC,optimization,RSM,compressive strength,RGP,resistencia a compresión,sustainability,Optimización

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