Browsing by Author "Jiménez Tenorio, Valeria de los Ángeles"

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    Comportamiento frente al fuego de paneles de caña guadua de viviendas tradicionales en la costa ecuatoriana
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2025-02) Jiménez Tenorio, Valeria de los Ángeles; Paredes Beltrán, Bolívar Eduardo
    The use of various materials in the construction of houses has driven the need to study their behavior against events that can cause significant damage to structures, with the aim of preventing disasters. The main objective of this research work was to characterize the fire behavior of guadua cane panels (Guadua Angustifolia Kunth) used in light constructions on the Ecuadorian coast. Through an experimental methodology, the first phase determined the physical and mechanical properties of the material. In addition, the second phase focused on the NTE INEN-ISO 11925-2 standard, subjecting a total of 24 samples to the direct action of a flame. These samples, cut in longitudinal and transverse orientation, were evaluated both at the edge and on the surface, under two flame exposure times of 30 seconds, according to the standard and 120 seconds by experimental criteria. Finally, in the third stage, the flammability and carbonization indices were calculated from the data obtained. The results indicated that the guadua cane panels have an average density of 741.211 kilograms per cubic meter and a moisture content of 14.9 percent, meeting the basic requirements for use in low structural demand applications. In terms of mechanical properties, a tensile stress of 90.2 mega pascals, compression of 33.92 mega pascals and bending of 47.21 mega pascals were determined. Flammability tests demonstrated that the material exhibits favorable behavior against small flames under controlled conditions, with an average carbonization index of 3.1 percent and a limited contribution to fire classification (class "D" according to EN 13501-1). Although direct experimental tests were not performed with flame retardants, such as sodium octaborate tetrahydrate, the literature reviewed indicates that its application could significantly improve the fire resistance of guadua cane. This aspect should be investigated in future studies to determine its efficiency in construction applications. In conclusion, guadua cane is presented as a sustainable and viable alternative for construction in contexts of low structural demand, provided that preventive treatments are implemented and specific regulations are met. It is recommended to promote additional research, train professionals in the sector and promote sustainable management strategies for this renewable course.