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dc.creatorSánchez, Martha Lissette
dc.creatorMorales Martín, Luz Yolanda
dc.identifier.citationSánchez Cruz, M., & Morales, L. (2019). Influencia del contenido de humedad en las propiedades mecánicas de la Caña de Guadua. INGE CUC, 15(1), 99-108.
dc.description.abstractIntroduction−Due to its earthquake behavior, the use of bamboo for structural purposes has increased in the latest decades, mainly in South American countries, in which, their employment, has been standardized in the design bases. However, for the efficient use of bamboo as a construction material, it is necessary to consider that being a natural material, volumetric variations can occur, especially when the material is subjected to changes in moisture between the saturation point of the fibers and the equilibrium moisture.Objectives−The objective of this paper is to evaluate the influence of the moisture content on the mechani-cal properties of elements extracted from the bottom, middle, and top of bamboo culms.Methodology−For the study, research is carried out with a quantitative approach. The experimental charac-terization was focused on the determination of compres-sion, bending, and shear strength, according to the rec-ommendations of the Colombian Technical Standards.Results−Results allow verifying that bamboo elements are susceptible to vary their strength and stiffness de-pending on the equilibrium moisture of the region to be considered in the structural design. Conclusions−Theinfluence of the moisture content on the mechanical properties of elements extracted from the bottom, middle, and top of bamboo culms was evalu-ated. The experimental characterization was focused on the determination of compression, bending, and shear strength. From the results, it is possible to verify that an increase in the moisture content reduces the mechanical strength of the material. The decrease in the values of maximum stress is more significant for moisture values between 12 % and the saturation point of the fibers and is accompanied by important dimensional changes that impair the mechanical performance of the material. The results show that above the point of saturation of the fibers the mechanical behavior of the culms is not
dc.description.abstractIntroducción−debido a su comportamiento sismo resis-tente, el uso del bambú con fines estructurales se ha in-crementado en las últimas décadas, principalmente en los países de América del Sur; en los cuales, su empleo, se ha estandarizado en las bases para el diseño estructural. Sin embargo, para el uso eficiente del bambú como material de construcción, es necesario considerar que al ser un ma-terial natural, pueden ocurrir variaciones volumétricas, especialmente cuando el material es sometido a cambios en el nivel de humedad entre el punto de saturación de las fibras y el punto de equilibrio de humedad.Objetivos−El objetivo de este trabajo es evaluar la influ-encia del nivel de humedad sobre las propiedades mecáni-cas de los elementos extraídos de las cañas de bambú de la parte inferior, media y superior, con edades comprendidas entre 4 a 6 años, después de inmunizados con una solución de ácido bórico.Metodología−Para el desarrollo del estudio, se llevó a cabo una investigación con un enfoque cuantitativo. La caracterización experimental se centró en la determinación de la compresión, la flexión y la resistencia al corte, de acuerdo con las recomendaciones de las Normas Técnicas de Colombia (NTC).Resultados−Los resultados permiten evidenciar que los elementos de bambú son susceptibles de variar su resistencia y rigidez dependiendo de la humedad de equilibrio de la región a considerar en el diseño estructural.Conclusiones−Se evaluó la influencia del nivel de humedad en las propiedades mecánicas de los elementos extraídos de los culmos de bambú de la parte inferior, media y superior. A partir de los resultados, es posible verificar que un incremento en el nivel de humedad reduce la resistencia mecánica del material. La disminución en los valores de tensión máxima es más significativa para los valores de humedad comprendidos entre el 12 % y el punto de saturación de las fibras, y se acompaña de importantes cambios dimensionales que impiden el rendimiento mecánico del material. Los resultados muestran que, por encima del punto de saturación de las fibras, no se modifica el comportamiento mecánico de las cañ
dc.publisherCorporación Universidad de la Costa
dc.rightsCC0 1.0 Universal*
dc.sourceINGE CUCspa
dc.subjectContenido de humedadspa
dc.subjectMoisture contentspa
dc.titleInfluence of moisture content on the mechanical properties of Guadua Culmsspa
dc.title.alternativeInfluencia del contenido de humedad en las propiedades mecánicas de la Caña de Guaduaspa
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