Abstract
This paper aims to study mechanical properties’ variation of bamboo using frequency spectrum analysis (FSA). Two commonly used species of bamboo in Brazil, Dendrocalamus giganteus (DG) and Phyllostachys áurea (PA), are investigated. A series of free vibration tests are carried out using different slices from wall-thickness of bamboo in bending mode. Damping, natural frequency and dynamic Module of Elasticity (MOE) are calculated for each specimen. To validate experimentally obtained results, a Finite Element Analysis (FEA) for Functionally Graded Materials beam (FGMs) is used with applying equations of variation of volume fraction of the investigated species bamboo.
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