Embedment strength of dowels in wood specimens according to ABNT NBR 7190 (1997) and EUROCODE 5 (2004)

Abstract

The study of connections for timber structures has been the subject of intense research in Brazil. This work aimed to study the embedment strength of connections made by steel pins (dowels) in specimens of reforested woods. Analytical and experimental evaluations were considered in this study. Initially, tests on specimens made from Pinus elliottii (Class C30) and Eucalyptus salligna (Class C50) woods with dowels, type 1020, with diameter of 6.35 mm (1/4") were performed. The tests were performed according to the ANBT NBR 7190 (1997)

Embedment Parallel to the Grain Strength of the Schizolobium amazonicum Herb Wood Specie

“…The low average value of the embedment parallel to the grain strength of Schizolobium amazonicum wood specie is due to the low density of wood, aproximatelly equal to 0.28 g/cm³ [18].…”

“…According to ABNT NBR 7190:1997 [10], embedment parallel to the grain strength can be equal to compression parallel to the grain strength, which for Schizolobium amazonicum Herb is close to 20 MPa [13,15,18].…”

“…Molina et al [18] carried out tests to determine embedment strength of Pinus elliotti and Eucaliptus saligna.…”

Resistência da madeira ao embutimento perpendicular às fibras: comparação de métodos de ensaio

“…A resistência da madeira ao embutimento é a propriedade mecânica relacionada com o estado múltiplo de tensões na interface madeira e pino metálico (ALMEIDA, 2014;ALMEIDA et al, 2014bALMEIDA et al, , 2014c. O estudo dessa propriedade pode ser realizado nas direções paralela e perpendicular em relação às fibras, de acordo com procedimentos experimentais recomendados por normas (SANDHAAS et al, 2013;KENNEDY et al, 2014;SANTOS;JESUS;MORAIS, 2015;DIAS, 2016;MOLINA et al, 2017).…”