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Llana DfAutor o coautorGarcía-Navarro JAutor o coautoríñiguez-González GAutor o coautor

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ENGINEERED WOOD PRODUCTS MANUFACTURED FROM RECLAIMED HARDWOOD TIMBER

Publicat a:13th World Conference On Timber Engineering, Wcte 2023. 6 3594-3599 - 2023-01-01 6(), DOI: 10.52202/069179-0468

Autors: Llana DF; González-Alegre V; Portela M; García-Navarro J; Íñiguez-González G

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The circular economy is commonly applied in recent years in order to reduce the amount of wood waste with many environmental benefits. The construction and demolition sector generates a large amount of wood waste that can be potentially reused or recycled into different wood-added-value products. The InFutUReWood and the RECOWERS European projects deal with reusing and recycling recovered timber as a structural material. One of the potential applications of recovered wood from construction and demolition sources is in manufacturing Engineered Wood Products (EWP). Twelve Cross Laminated Timber (CLT) panels and twelve glued-laminated timber (glulam) pieces from European oak were manufactured and tested in the present work. Four different 3-layer CLT panel configurations and two different 5-lamella glulam pieces configurations were manufactured using recovered and new European oak timber. The results show that there is significant potential in using recovered timber for manufacturing EWP. The modulus of elasticity of CLT panels and glulam pieces from recovered and new timber is similar while bending strength is lower in the case of EWP from recovered timber than from new timber, but still enough high for structural applications. The timber yield producing EWP from recovered timber is really low due to the great amount of wood waste generated during manufacturing.

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