Estudio comparativo de productos de madera laminada unidos con distintos tipos de clavijas

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DOI:

https://doi.org/10.22320/s0718221x/2025.22

Keywords:

Clavijas de madera, conexiones de madera, ensayos de flexión, madera laminada, madera masiva, Pinus taeda, sistemas constructivos sostenibles

Abstract

La búsqueda de soluciones constructivas sostenibles ha impulsado el uso de productos de madera masiva como alternativa a componentes estructurales de hormigón armado y acero.  En este contexto, el presente trabajo informa sobre el comportamiento estructural de productos de madera laminada construidos sin adhesivos y con madera de pino uruguayo (Pinus taeda) de rápido crecimiento. Para la fabricación, se utilizaron lamelas C14, unidas mediante tarugos de madera de 20 mm de diámetro, clavos de madera y clavos de acero colocados neumáticamente, de 5,3 y 3,2 mm de diámetro, respectivamente. Se evaluaron dos patrones de clavado, en línea recta horizontal y zigzag, y tres espaciamientos entre clavijas, 300 mm, 250 mm y 150 mm. Se realizaron ensayos de corte perpendicular a las fibras en conexiones de madera y ensayos de flexión en cuatro puntos en paneles de tamaño estructural, y se obtuvieron el módulo de deslizamiento y las propiedades de flexión, respectivamente. Las conexiones con clavos de madera presentaron valores de módulo de deslizamiento significativamente superiores (2,54 kN/mm) a las conexiones con tarugos de madera (1,47 kN/mm) y con clavos de acero (1,25 kN/mm). Los resultados de flexión indicaron que la resistencia (16,8–31,6 MPa) y la rigidez (6213–8103 MPa) de los paneles con tarugos de madera, clavos de madera y clavos de acero no mostraron diferencias significativas y son similares a los valores de las piezas individuales que los conforman. Los hallazgos encontrados sugieren que la madera laminada fabricada con pino de rápido crecimiento unida mediante clavijas de madera en configuraciones superficiales aparece como una solución estructural viable para entrepisos y techos en el contexto de sistemas constructivos sostenibles.

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Author Biographies

Gastón Bruzzone, Universidad de la República. Facultad de Agronomía. Montevideo, Uruguay.

Biography

Daniel Godoy, Universidad de la República. Facultad de Ingeniería. Montevideo, Uruguay.

Biography

Stephany Arrejuría, Laboratorio Tecnológico del Uruguay. Fundación Latitud. Montevideo, Uruguay.

Biohgraphy

Sebastián Quagliotti, Laboratorio Tecnológico del Uruguay. Departamento de Materiales y Productos Forestales. Montevideo, Uruguay.

Biography

Silvia Böthig, Laboratorio Tecnológico del Uruguay. Fundación Latitud. Montevideo, Uruguay.

Biography

Laura Moya, Universidad ORT Uruguay. Facultad de Arquitectura. Montevideo, Uruguay.

Biography

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Published

2025-03-31

How to Cite

Bruzzone, G. ., Godoy, D. ., Arrejuría, S., Quagliotti, S. ., Böthig, S. ., & Moya, L. (2025). Estudio comparativo de productos de madera laminada unidos con distintos tipos de clavijas. Maderas. Ciencia Y Tecnología, 27, e2225. https://doi.org/10.22320/s0718221x/2025.22

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