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Resumen Con el objetivo de determinar la relacion existente entre los cortes admisibles de una cana de bambu que se asocian a una determinada parte anatomica de la planta y el comportamiento mecanico a flexion que se evidencia con el radio de curvatura admisible, se realizaron ensayos experimentales con 5 cortes longitudinales de 1,25m de longitud de bambu de la especie PhyllostachysbambusoidesSieb. et Zucc., de dos anos de edad. Se observo que la cara externa de la cana de bambu presenta mayor resistencia a flexion que la cara interna, obteniendo un radio de curvatura menor con las probetas de la cara externa del bambu ensayado. El radio de curvatura minimo que se obtuvo en los ensayos fue de 191o correspondiente al corte de 1/8 de de bambu que presentaba una parte de la cara externa y otra de la cara interna, equilibrando su constitucion anatomica. Las condiciones fisico - anatomicas de las plantas, tanto su composicion como la ley intrinseca que establece su disposicion, determinan su comportamiento mecanico. Abstract In order to determine the relationship between the permissible cuts of a bamboo cane that are associated with a certain anatomical part of the plant and the mechanical bending behaviour that is evidenced by the permissible radius of curvature, experimental tests were carried out with 5 longitudinal cuts of 1.25 m length of bamboo of the species Phyllostachys bambusoidesSieb. et Zucc., two years old. It was observed that the outer face of the bamboo cane presents greater resistance to bending than the inner face, obtaining a smaller radius of curvature with the specimens of the outer face of the bamboo tested. The minimum radius of curvature obtained in the tests was 191o corresponding to the cut of 1/8th of bamboo that presented a part of the external face and another of the internal face, balancing its anatomical constitution. The physical and anatomical conditions of the plants, both their composition and the intrinsic law that establishes their arrangement, determine their mechanical behaviour.

anales de edificación

Estudio de los radios de curvatura mínimos de los cortes de bambú. Análisis experimental con Phyllostachys bambusoidesSieb. et Zucc = Study of the permissible bending radius of bamboo cuts. Experimental analysis with Phyllostachys bambusoidesSieb. et Zucc.