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Open AccessArticle

Analysis to Improve the Strength of Beds Due to the Excess Weight of Users in Slovakia

1
Faculty of Wood Sciences and Technology, Technical University in Zvolen, 96053 Zvolen, Slovakia
2
Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava, J. Bottu 25, 917 24 Trnava, Slovakia
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(3), 624; https://doi.org/10.3390/su11030624
Received: 11 December 2018 / Revised: 21 January 2019 / Accepted: 21 January 2019 / Published: 24 January 2019
(This article belongs to the Special Issue Sustainability in Wood Science)
Good quality sleep is a prerequisite for regenerating the human body, hence, beds should be optimized for specific group of users, taking into consideration their size or age. Current research studies show similar trends in adult populations around the world, where increases in height as well as in weight can be observed. Not only the ergonomics but also the safety of beds, which is determined by the quality and dimensions of structural elements, must be taken into account in bed design. Designing the structural elements for users with a high body weight is presented in the paper. The properties of a bed’s structural elements, which ensure comfort as well as the safety of a bed are affected by the excess weight of users. New requirements for cross sections, suitable materials and construction of structural elements were set in accordance with the standard EN 1725:1998. Also, an analysis of stresses was done using the finite element method (FEM) and the calculation of allowable stresses related to a user weighing 150 kg. The results of our research provide complete standards and regulations associated with the safety requirements of bedroom furniture for users with a weight more than 110 kg to ensure that the manusfacture of quality products in Slovakia. View Full-Text
Keywords: joint load capacity; bed size; weight of population joint load capacity; bed size; weight of population
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Réh, R.; Krišťák, Ľ.; Hitka, M.; Langová, N.; Joščák, P.; Čambál, M. Analysis to Improve the Strength of Beds Due to the Excess Weight of Users in Slovakia. Sustainability 2019, 11, 624.

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