RT info:eu-repo/semantics/article
T1 Internal GFRP Reinforcement of Low-Grade Maritime Pine Duo Timber Beams
A1 Balmori Roiz, José Antonio
A1 Basterra Otero, Luis Alfonso
A1 Acuña Rello, Luis
K1 Pinus pinaster
AB This paper presented an experimental structural-scale test campaign used to analyze the flexural behavior of low-grade maritime pine (Pinus pinaster Ait.) duo timber beams reinforced with an internal glass fiber-reinforced polymer (GFRP) sheet. For this purpose, thirty (30) unreinforced duo beams and thirty (30) duo beams internally reinforced with a unidirectional GFRP sheet with an areal mass of 1200 g/m2 were produced and tested. The addition of a low GFRP reinforcement ratio (1.07%) in the tension zone of the duo beams provided an average improvement of 8.37% in bending stiffness (EI) and an increase of up to 18.45% in ultimate moment capacity. In addition to this improved bending behavior, the internal GFRP reinforcements seemed to decrease the influence of wood singularities and wood heterogeneity on mechanical properties, which allowed for better characteristic values to be reached and for the achievement of results with less variability.
PB MDPI
SN 1996-1944
YR 2020
FD 2020
LK https://uvadoc.uva.es/handle/10324/51298
UL https://uvadoc.uva.es/handle/10324/51298
LA spa
NO Materials, 2020, vol. 13, n. 3, 571
DS UVaDOC
RD 22-dic-2024