engleski

Analysis of the bending moment of innovative corner joints during static testing

The aim of this work is to produce and test innovative angle joints models in laboratory conditions, using discursive construction methods, and to statistically evaluate the achieved results in order to gain scientifically needed criteria according to which it will be possible to evaluate the level of quality of chairs made of beechwood. The research consisted of three groups of innovative angle construction types - joints that were tested in a laboratory and ranked to determine the key criteria for static loads. The results confirm that the construction assembly, followed by the surface of gluing has the largest influence on key strength criteria. The construction type with the greatest gluing surface was not the strongest as expected according to the data given by other authors. The quantity of material used was reduced, namely the section perpendicular to the long axis of chair leg was reduced 42.5%, while still retaining an acceptable breaking moment during static testing.

Wooden construction; sitting furniture; chair joints; static testing; strength of glued beechwood joints

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