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Open AccessArticle

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Faculty of Wood Sciences and Technology, Technical University in Zvolen, 960 01 Zvolen, Slovakia
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Forests 2019, 10(6), 525; https://doi.org/10.3390/f10060525
Received: 9 May 2019 / Revised: 6 June 2019 / Accepted: 18 June 2019 / Published: 25 June 2019
(This article belongs to the Special Issue Wood Properties and Processing)
The research on population shows that the count of overweight people has been constantly growing. Therefore, designing and modifying utility items, e.g., furniture should be brought into focus. Indeed, furniture function and safety is associated with the weight of a user. Current processes and standards dealing with the design of seating furniture do not meet the requirements of overweight users. The research is aimed at designing flexible chairs consisting of lamellae using the finite element method (FEM). Three types of glued lamellae based on wood with different number of layers and thickness were made and subsequently, their mechanical properties were tested. Values for modulus of elasticity and modulus of rupture were used to determine stress and deformation applying the FEM method for modelling flexible chairs. In this research, the methodology for evaluating the ultimate state of flexible chairs used to analyse deformation and stability was defined. The analysis confirms that several designed constructions meet the requirements of actual standards (valid for the weight of a user up to 110 kg) but fail to meet the requirements for weight gain of a population. View Full-Text
Keywords: glued lamella; flexible chair; weight of a user; ultimate state glued lamella; flexible chair; weight of a user; ultimate state
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Langová, N.; Réh, R.; Igaz, R.; Krišťák, Ľ.; Hitka, M.; Joščák, P. Construction of Wood-Based Lamella for Increased Load on Seating Furniture. Forests 2019, 10, 525.

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