Maestría en Ingeniería Civil con Mención en Estructuras Metálicas

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Author: search.filters.author.Merino Mora, Verónica Jackeline

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    Análisis comparativo de conexiones precalificadas con tipología soldadas y empernadas para un sistema SMF en un edificio de estructura metálica
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica. Maestría en Ingeniería Civil con Mención en Estructuras Metálicas, 2022-09) Merino Mora, Verónica Jackeline; Chávez Rubio, Luis Enrique
    Ecuador is located in areas where constant and significant earthquakes occur, currently it has been possible to denote the vulnerability of structural steel buildings to a severe earthquake. The scope of this work was to carry out a comparative analysis of prequalified connections with welded and bolted typology for an SMF system in a metal structure building. The ANSI/AISC 360-16 standard is the standard that establishes the specifications for designing steel structures, the ANSI/AISC 341-16 standard indicates the seismic provisions for structural steel buildings and the ANSI/AISC 358-16, which analyzes the prequalified connections for use in special moments and intermediate frames, the standards present a guide for the design of prequalified metallic connections that were used as an instrument for the different mathematical calculations, in addition, applying this methodology, a model of a steel structure was made . National and international standards were used for the study and the Etabs 2019 and Ram Connection software, both with student licenses, were used for the structural analysis. This research performs the comparative analysis of RBS, BFP, BUEEP and WUF-W prequalified connections, with welded and bolted typology for an SMF system in a metal structure building. A structural and economic analysis of the metal frame building is obtained, concluding that the elements that make up the connection in a metal frame building have an elastic behavior. In addition, it was observed that the RBS connection provides the best reliability so that the transfer in the beams (plastic hinge) prevails before that in the columns, as an energy dissipation mechanism and complying with the design philosophy. Regarding the analysis of the cost of steel in beams and columns, it was known that steel in welded beams and columns is cheaper than steel in bolted beams and columns, due to the materials, equipment, machinery and labor used. in the construction process of metal structures.