Caracterización tecnológica: edad de transición y análisis de la densidad y propiedades mecánicas en madera de Salix sp.
; Tortoriello, Miguel Antonio Otros responsables
Fecha
01/2024
Editorial
Universidad Nacional del Litoral
Revista
FAVE Sección Ciencias Agrarias
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2346-9129
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El mundo atraviesa una severa crisis de contaminación ambiental. Sumado a esto, el crecimiento demográfico demanda la construcción de viviendas en la cuales se utiliza el hormigón como material principal. Este material, se compone tradicionalmente de: arena, grava, agua, aire y cemento. La fabricación del cemento portland, es responsable del 4 por ciento de la contaminación total por anhídrido carbónico (CO2), debido a la quema de combustibles fósiles que ello implica. Una forma de mitigar este tipo de contaminación sería utilizar la madera en la construcción. Sin embargo, al ser la madera un material de origen biológico y heterogéneo es necesario estudiar sus propiedades y las variaciones de estas dentro del fuste de manera de definir su destino final y más si el mismo es su uso estructural. En este trabajo se estudió la densidad básica, la edad de transición entre madera juvenil y madura y la resistencia a la flexión y dureza Janka del Salix babylonica x Salix alba ´Ragonese 131-27´. El valor de densidad obtenido (0,416 g cm-³) permitió clasificar a esta madera como liviana (valor similar a los presentados para Eucalyptus grandis, Álamos y Pino Oregón). Los valores obtenidos de resistencia a la flexión y dureza Janka reportan valores similares a los encontrados para otras maderas comerciales, lo que permitiría su uso como madera sólida.
The world today goes through a severe environmental pollution crisis. In addition to this, population growth demands the construction of houses in which concrete is used as the main material. This material is traditionally made up of: sand, gravel, water, air and cement. The manufacture of portland cement is responsible for 4 percent of the total pollution by carbon dioxide (CO2 ), due to the burning of fossil fuels that this implies. One way to mitigate this type of pollution would be to use wood in construction. However, since wood is a material of biological and heterogeneous origin, it is necessary to study its properties and their variations within the shaft in order to define its final destination and even more so if it is its structural use. In this work, the basic density, transition age between juvenile and mature wood and the flexural strength and Janka hardness of Salix babylonica x Salix alba 'Ragonese 131-27' were studied because it could be used in the construction of social housing in our country. The density value obtained (0,416 g cm- ³) allowed this wood to be classified as light (value similar to those presented for Eucalyptus grandis, Populus and Oregon Pine). The values obtained for flexural strength and Janka hardness report values similar to those found for other commercial woods, which would allow its use as solid wood.
The world today goes through a severe environmental pollution crisis. In addition to this, population growth demands the construction of houses in which concrete is used as the main material. This material is traditionally made up of: sand, gravel, water, air and cement. The manufacture of portland cement is responsible for 4 percent of the total pollution by carbon dioxide (CO2 ), due to the burning of fossil fuels that this implies. One way to mitigate this type of pollution would be to use wood in construction. However, since wood is a material of biological and heterogeneous origin, it is necessary to study its properties and their variations within the shaft in order to define its final destination and even more so if it is its structural use. In this work, the basic density, transition age between juvenile and mature wood and the flexural strength and Janka hardness of Salix babylonica x Salix alba 'Ragonese 131-27' were studied because it could be used in the construction of social housing in our country. The density value obtained (0,416 g cm- ³) allowed this wood to be classified as light (value similar to those presented for Eucalyptus grandis, Populus and Oregon Pine). The values obtained for flexural strength and Janka hardness report values similar to those found for other commercial woods, which would allow its use as solid wood.
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