Determination of Poisson's ratio for particleboard in pure bending
1999
Moarcas, O. | Irle, M.
The present study is part of a larger project called 'The measurement and modeling of the effects of concentrated loads on particleboard floor decking' (Moarcas, 1999). The aim of this work is to determine Poisson's ratio of C4(M) particleboard when subjected to four point bending (pure bending). Two 'bridge gauges' with a gauge length of 38 mm, were fixed to the specimens so that they were positioned centrally between the loading heads. The specimens were tested twice. The first test measured Poisson's ratio on the tension surface, and then the specimens were flipped over and the test repeated so as to measure Poisson's ratio on the compression face. The two bridge gauges were oriented so as to measure strain in the principle directions of the particleboard samples. The average results indicate a value of 0.2 for Poisson's ratio.
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