Ingeniería Civil y Mecánica

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Author: search.filters.author.Chicaiza Chabla, Carla PaolaSubject: search.filters.subject.HORNO DE ARCO ELÉCTRICO,

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    Comparación de la adición de polvo de horno de arco eléctrico y ceniza de carbón en una base granular clase 4 para mejorar sus propiedades índice y técnicas
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-08) Chicaiza Chabla, Carla Paola; Pérez Maldonado, Ruth Lorena
    The stabilization of granular bases with industrial slag presents challenges, such as variability in physical and mechanical properties and the need for precise dosing. To address this, the influence of adding electric arc furnace dust and coal ash in different proportions to a class 4 granular base was analyzed, with the purpose of increasing the quality of the material and reducing the environmental impact derived from the extraction of non-renewable natural resources by promoting the reuse of wastes. It was carried out by means of a laboratory experimental design with controlled conditions, following current regulations, to measure the fundamental properties that govern a granular base. Among the main results, the use of electric arc furnace dust with a presence of 7 percent; and 15 percent for coal ash influenced the granulometric distribution defining the material as a class 3 base, in addition coal ash allowed cataloging the material as a class 2 and/or class 1A base; the CBR bearing capacity increased its value by 10.03 and 18.44 percent respectively; as regards dry density with values of 2.025 and 2.001 grams per cubic centimeter, suitable for dense materials since the granular base layer must be more resistant and with less deformation capacity. The results of this research can serve as a starting point for the innovation of materials to stabilize the granular layers of the pavement structure.