Variación axial de propiedades físicas de Bambusalongispiculata y Gigantochloa apus en la amazonia peruana
DOI:
https://doi.org/10.63618/omd/ssjm/v4/n3/77Palabras clave:
bambú, contenido de humedad, densidad básica, estabilidad dimensional, propiedades físicasResumen
El estudio evaluó la variación axial de las propiedades físicas de Bambusa longispiculata y Gigantochloa apus procedentes de Tingo María, Amazonía peruana. Se seleccionaron cinco culmos maduros por especie y se obtuvieron probetas de los niveles base, medio y ápice, siguiendo criterios de la NTC 5525 y la NTC 5300. Se determinaron la humedad saturada, la densidad básica y las contracciones tangencial, radial y longitudinal. La humedad saturada fue mayor en la base y disminuyó hacia el ápice, con valores máximos en Gigantochloa apus base (79.602 %) y menores en el ápice de ambas especies. La densidad básica mostró variaciones moderadas, con valores entre 0.657 y 0.770 g/cm³. Las contracciones presentaron un claro gradiente axial descendente, con mayores valores en la base y menores en el ápice, especialmente en las contracciones radial y tangencial. El agrupamiento jerárquico diferenció principalmente los grupos por nivel de altura, antes que por especie. Se concluye que la posición axial del culmo condiciona de manera importante la estabilidad dimensional, por lo que la selección del material debe considerar el nivel del culmo y no únicamente la especie.
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Derechos de autor 2026 Geronimo-Macedo, Fiorella Lynn, Pecho-de la Cruz, Robert Gilbert, Santos-Flores, Cleide, Ochoa-Cuya, Ricardo, Daza-Panduro, Gunter (Autor/a)
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial 4.0.
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