Ingeniería Civil y Mecánica

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Author: search.filters.author.Acosta Naranjo, José AndrésSubject: search.filters.subject.MADERA ESTRUCTURAL

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    Análisis de las propiedades físicas y mecánicas de la madera de Seique (Cedrelinga Catenaeformis) proveniente del cantón Tena provincia de Napo y su factibilidad como elemento estructural de acuerdo con la Norma Ecuatoriana de la Construcción (NEC 2015)
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2023-09) Acosta Naranjo, José Andrés; Ureña Aguirre, Maritza Elizabeth
    The construction industry has a key role in global sustainability due to its high demand for resources and CO2 emissions. However, the use of materials such as bamboo and wood from sustainable forests can positively contribute to the storage of CO2 during its growth, offsetting its emssions during production. The research analyzed the physical and mechanical properties of the timber species Cedrelinga Catenaeformis from the Amazon region of Ecuador, and its suitability as a structural material according to the NEC 2015. Samples from the Tena canton were collected at 4 commercialization points, laboratory tests were carried out in accordance with the ASTM D 143-14 standard, which allowed determining the maximum stresses and the modulus of elasticity to static bending, traction and compression parallel to the fiber of each sample. When carrying out this investigation, it was possible to obtain maximum values of modulus of elasticity of tension parallel to grain of 17,603.29 MPa, compresion paralele to grain of 4,459.86 MPa, static bending of 10,723 MPa, as well as maximum admissible stresses for tension parallel to grain of 46.23 MPA, compression parallel to grain of 15.93 MPa and static bending of 30.23 MPa of Seique wood, could be compared with the requirements of the Ecuadorian Construction Standard (NEC 2015 chapter 8) determining that it is considered a timber species suitable for use as a structural element with certain limitations. . With this, it was possible to create a summary table of the physical and mechanical characteristics that would serve as a guide for the design of wooden structures in Ecuador